CA2261897A1 - Universal stopper - Google Patents
Universal stopper Download PDFInfo
- Publication number
- CA2261897A1 CA2261897A1 CA 2261897 CA2261897A CA2261897A1 CA 2261897 A1 CA2261897 A1 CA 2261897A1 CA 2261897 CA2261897 CA 2261897 CA 2261897 A CA2261897 A CA 2261897A CA 2261897 A1 CA2261897 A1 CA 2261897A1
- Authority
- CA
- Canada
- Prior art keywords
- container
- cylindrical
- elastomeric
- closure assembly
- stopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
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- 239000012528 membrane Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 37
- 210000005069 ears Anatomy 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 239000005062 Polybutadiene Substances 0.000 claims description 6
- 229920005556 chlorobutyl Polymers 0.000 claims description 6
- 229920003052 natural elastomer Polymers 0.000 claims description 6
- 229920001194 natural rubber Polymers 0.000 claims description 6
- 229920002857 polybutadiene Polymers 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 229920003051 synthetic elastomer Polymers 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 229920002367 Polyisobutene Polymers 0.000 claims description 4
- 229920005549 butyl rubber Polymers 0.000 claims description 4
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 claims description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 3
- YFRNYWVKHCQRPE-UHFFFAOYSA-N buta-1,3-diene;prop-2-enoic acid Chemical compound C=CC=C.OC(=O)C=C YFRNYWVKHCQRPE-UHFFFAOYSA-N 0.000 claims description 3
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 claims description 3
- 239000002872 contrast media Substances 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 229920005560 fluorosilicone rubber Polymers 0.000 claims description 3
- 229920000233 poly(alkylene oxides) Polymers 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
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- 239000013536 elastomeric material Substances 0.000 claims description 2
- 230000001225 therapeutic effect Effects 0.000 claims 2
- 238000001990 intravenous administration Methods 0.000 claims 1
- 235000016709 nutrition Nutrition 0.000 claims 1
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 5
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- 230000001954 sterilising effect Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
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- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 208000030507 AIDS Diseases 0.000 description 2
- 229920002449 FKM Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 229940039231 contrast media Drugs 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003182 parenteral nutrition solution Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 241001631457 Cannula Species 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 208000007271 Substance Withdrawal Syndrome Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229920005555 halobutyl Polymers 0.000 description 1
- 208000006454 hepatitis Diseases 0.000 description 1
- 231100000283 hepatitis Toxicity 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
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- 229920000260 silastic Polymers 0.000 description 1
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- 238000002834 transmittance Methods 0.000 description 1
- 229920003249 vinylidene fluoride hexafluoropropylene elastomer Polymers 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/002—Closures to be pierced by an extracting-device for the contents and fixed on the container by separate retaining means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S215/00—Bottles and jars
- Y10S215/03—Medical
Abstract
A universal closure assembly designed for use in various containers having a fluid port for access to the contents of a container (10). The universal closure assembly comprising an elastomeric membrane (60) capable of being ruptured by an access means such as a female luer connector (140) or a syringe having a sharp or blunt cannula or a sharp or blunt spike for fluid communication between the contents of the container (10) and the access means.
Description
UNIVERSAL STOPPER
1. Field of the Invention S This invention relates to a stopper having means to access pharmaceutical fluids contained in containers, such as bottles and vials for parenteral administration. More particularly, the invention relates to an elastomeric stopper for hermetically sealing a parenteral fluid container, such as a bottle or vial the content of which is accessed by the use of a luer connector or a syringe having a blunt or sharp needle cannula.
1. Field of the Invention S This invention relates to a stopper having means to access pharmaceutical fluids contained in containers, such as bottles and vials for parenteral administration. More particularly, the invention relates to an elastomeric stopper for hermetically sealing a parenteral fluid container, such as a bottle or vial the content of which is accessed by the use of a luer connector or a syringe having a blunt or sharp needle cannula.
2. Background of the Invention The prior art has developed numerous devices to prevent accidental needle strike injuries to practitioners and patients. Such injuries are known to spread infectious diseases including hepatitis and AIDS. One of the main features of these devices is the lack of exposed sharp needles. The closures or stoppers have built in access means to the content of the containers, such as vials, cartridges and bottles. The closures or stoppers in these devices serve the dual function of hermetically sealing the container while allowing access to the content therethrough.
Stopper systems for containers such as vials and bottles are made of materials that are resistant to chemicals and pharmaceuticals such as corrosive materials, reagents, parenteral solutions and solid formulations reconstitutable with a solvent prior to use.
The most commonly used stopper/container system for such products has been glass or plastic bottles and vials equipped with stoppers made of elastomeric materials. The system provides for good hermetical seal, safe storage and easy access to the content through the elastomeric stopper via the use of an infusion spike or a syringe when withdrawal of the content is desired.
The elastomeric stopper used generally comprises an elastomeric base, such as natural or synthetic rubber and an inert coating covering at least some portions of the stopper. The coating used includes chlorobutyl rubber, polymeric fluorocarbon resins such as polytetrafluoroethylene and various thermoplastic films. The coating is intended to insulate the elastomeric stopper base from the contents of the container in order to prevent contact and possible chemical reactions therebetween.
Generally, the elastomeric stopper is of cylindrical shape and has a flange head portion overlying the open top end of the container. Integral with the head portion is a body portion which extends into the open end and seated in the neck portion of the container, the diameter of the body portion being somewhat larger than the inside diameter of the container so that a tight seal is created between the body portion and the wall of the container.
The lower end of the body portion is beveled towards the central, longitudinal axis of the body portion to facilitate the insertion of the body portion into the container. The circular bottom surface that faces the contents of the container is substantially planar and is imperforate, having no recess therein. The head portion of the stopper is provided with a central recess extending downwardly from the top thereof a substantial distance into the body portion so that the central recess and the circular bottom surface define a diaphragm. The walls forming the recess are generally cylindrical but may be provided with one or more circular protuberances extending 1 S inwardly to terminate just short of the center line of the stopper. The circular protuberances serve to press against and hold the needle of a syringe when the needle is inserted through the recess to penetrate the diaphragm for removal of the contents of the container. The elastomeric stopper is held in position by a metal ring or cap usually constructed of aluminum.
The metal ring or cap has a removable center opening for allowing insertion of the syringe needle into the container.
Another type of the prior art stoppers has the needle penetrable diaphragm on the top portion of the stopper.
Various stopper and access systems exist in the prior art to hold and remove the contents of containers which are illustrated hereunder.
An example of a stopper according to the state of the art is reported in Figures 6 and 6A of the present application.
U.S. Patent No. 5,232,109 discloses an elastomeric stopper for a bottle, said stopper includes an annular protuberance which forms a second seal with the shaft of a spike inserted in the stopper to prevent leakage, blow-out and introduction of particulate matter into the fluid-containing bottle.
Stopper systems for containers such as vials and bottles are made of materials that are resistant to chemicals and pharmaceuticals such as corrosive materials, reagents, parenteral solutions and solid formulations reconstitutable with a solvent prior to use.
The most commonly used stopper/container system for such products has been glass or plastic bottles and vials equipped with stoppers made of elastomeric materials. The system provides for good hermetical seal, safe storage and easy access to the content through the elastomeric stopper via the use of an infusion spike or a syringe when withdrawal of the content is desired.
The elastomeric stopper used generally comprises an elastomeric base, such as natural or synthetic rubber and an inert coating covering at least some portions of the stopper. The coating used includes chlorobutyl rubber, polymeric fluorocarbon resins such as polytetrafluoroethylene and various thermoplastic films. The coating is intended to insulate the elastomeric stopper base from the contents of the container in order to prevent contact and possible chemical reactions therebetween.
Generally, the elastomeric stopper is of cylindrical shape and has a flange head portion overlying the open top end of the container. Integral with the head portion is a body portion which extends into the open end and seated in the neck portion of the container, the diameter of the body portion being somewhat larger than the inside diameter of the container so that a tight seal is created between the body portion and the wall of the container.
The lower end of the body portion is beveled towards the central, longitudinal axis of the body portion to facilitate the insertion of the body portion into the container. The circular bottom surface that faces the contents of the container is substantially planar and is imperforate, having no recess therein. The head portion of the stopper is provided with a central recess extending downwardly from the top thereof a substantial distance into the body portion so that the central recess and the circular bottom surface define a diaphragm. The walls forming the recess are generally cylindrical but may be provided with one or more circular protuberances extending 1 S inwardly to terminate just short of the center line of the stopper. The circular protuberances serve to press against and hold the needle of a syringe when the needle is inserted through the recess to penetrate the diaphragm for removal of the contents of the container. The elastomeric stopper is held in position by a metal ring or cap usually constructed of aluminum.
The metal ring or cap has a removable center opening for allowing insertion of the syringe needle into the container.
Another type of the prior art stoppers has the needle penetrable diaphragm on the top portion of the stopper.
Various stopper and access systems exist in the prior art to hold and remove the contents of containers which are illustrated hereunder.
An example of a stopper according to the state of the art is reported in Figures 6 and 6A of the present application.
U.S. Patent No. 5,232,109 discloses an elastomeric stopper for a bottle, said stopper includes an annular protuberance which forms a second seal with the shaft of a spike inserted in the stopper to prevent leakage, blow-out and introduction of particulate matter into the fluid-containing bottle.
U.S. Patent No. 5,429,256 pertains to a drug withdrawal system for a vial. The withdrawal system comprises: a vial containing a medicament therein and closed with a rubber gasket; and an apparatus which snap fits on top of the vial. The apparatus comprises:
a chassis and a cap which is attached to the cap by a living hinge.
S The chassis is cylindrical and has vertical grooves on the external sides to facilitate handling. The top of the chassis has a central opening. The chassis includes a removable male luer lock adapter, having external threads thereon, including a ferrule structure the lower end of which has a hollow sharpened lance. The apparatus is used with a syringe having a female luer lock connector which snap fits with the removable male luer lock adapter including the ferrule.
In use, the cap cover is opened, and a syringe is screwed onto the outer end of the adapter. The syringe is then tightened on the adapter which moves the lance downward and the lance penetrates the gasket on the vial thereby establishing flow communication with the content of the vial. The content of the vial is withdrawn by pulling back on the plunger of the syringe. The syringe is then removed with the content therein ready to receive a needle assembly for injecting the content into a patient.
The apparatus may be re-fitted with a new removable adapter 30 and a new ferrule 34 in the chassis 14. Thereafter the apparatus may be closed by cap 20.
U.S. Patent No. 5,433,330 relates to a needleless access stopper used on containers with a cannula having a blunt, stopper penetrating tip. The stopper is used in conjunction with a camlula having a blunt penetrating tip. The stopper includes a disc and a plug extending from the disc into the container. Also included is a diaphragm defined by a target region in the upper face. Also included is a centrally located piercing point positioned to pre-slit the diaphragm. This stopper is not suitable for syringe, cartridge or IV tubing having a female luer connector.
The present invention provides sealing and access means for containers, such as bottles or vials made of glass or plastic containing medical fluids, such as x-ray contrast media and parenteral liquids. The access means provides for hermetic sealing, safe handling, sterilization and storing. For convenience the invention will be described in combination with glass medicinal bottles. It is to be understood, however, that the invention includes sealing and access means for containers in general which comprise rigid or semi rigid access ports and are capable of receiving such sealing and access means.
SUMMARY OF THE INVENTION
The present invention provides a single use universal closure assembly allowing access to a medical fluid contained in a container with conventional access means available to healthcare professionals, such as cartridge or iv tubing equipped with a female luer connector or a syringe having sharp or blunt needle cannula or sharp and blunt spikes.
According to one aspect, the invention refers to a single use universal closure assembly allowing access to a medical fluid contained in the container with conventional access means comprising:
(1) an elastomeric stopper for hermetically sealing a container at its open end; and (2) a cylindrical housing or male element, open at both ends, which serves as a male connecting means.
The male connecting means preferably receives an external female access means, such as a female luer connector.
Preferably, the universal closure assembly according to the invention comprises:
( 1 ) an elastomeric stopper for hermetically sealing the container at its open end comprising:
a head portion;
a skirt portion;
a cylindrical opening in the center of said head and skirt portions;
a hollow, vertically oriented thin elastomeric protuberance sealing the opening in the center portion of the elastomeric stopper designed to be ruptured by an external force;
(2) a rigid, cylindrical housing having open ends enclosing said vertically oriented thin elastomeric protuberance to support said vertically oriented thin elastomeric protuberance and to serve as means for receiving and engaging a female luer connector whereby an external force moves the female luer connector which penetrates the thin elastomeric protuberance to establish fluid communication with the medical fluid contained in a container, said rigid cylindrical housing comprising:
cylindrical walls having a top portion and a bottom portion, said top portion having locking ears designed to hold a female element of a luer connector, and said bottom portion sealed into the skirt portion of the elastomeric stopper.
The universal closure assembly according to the invention further comprises:
(3) a cylindrical collar fastened over a portion of the elastomeric stopper and neck portion of a container to securely hold the elastomeric stopper in the open end of the container, said cylindrical collar having a central opening in its flat top portion to allow access to the elastomeric protuberance and the rigid cylindrical housing located in the center portion of said elastomeric stopper.
According to another aspect, the universal closure assembly according to the invention further comprises: (4) a removable cap.
According to a further aspect, the invention provides a universal closure assembly/container combination comprising:
(a) a container;
(b) a single closure assembly according to the invention.
According to another further aspect, the invention provides a method of assessing a medical fluid contained in a container equipped with the universal closure assembly of the present invention comprising the steps of:
i) providing the universal closure assembly/container combination of the present invention;
ii) removing the removable cap from the flat top and rim portions of the cylindrical collar thereby exposing the sealing membrane and the male element or connecting means in the cylindrical opening of the elastomeric stopper; and iii) accessing the medical fluid contained in the container by an access means.
According to a preferred aspect, the method comprises the following steps:
i) providing a universal closure assembly/container combination comprising:
(a) a container;
(b) a closure assembly according to the invention, wherein said container (a), containing a medical fluid therein, having a neck portion terminating in an open end;
said closure assembly (b), inserted into the open end of said container comprises:
( 1 ) an elastomeric stopper for hermetically sealing the container at its open end comprising:
a head portion;
a skirt portion;
a cylindrical opening in the center of said head and skirt portions;
a hollow, vertically oriented thin elastomeric protuberance sealing the opening in the center portion of the elastomeric stopper designed to be ruptured by an external force;
(2) a rigid, cylindrical housing having open ends enclosing said vertically oriented thin protuberance to support said vertically oriented thin elastomeric protuberance and to serve as means for receiving and twistably engaging a female luer connector whereby an external force moves the female luer connector which penetrates the thin elastomeric protuberance to establish fluid communication with the medical fluid contained in said container, said rigid not-removable cylindrical housing comprising: cylindrical walls having a top portion and a bottom portion, said top portion having locking ears designed to hold a female element of a luer connector, and said bottom portion sealed into the skirt portion of the elastomeric stopper;
(3) a cylindrical collar fastened over a portion of the elastomeric stopper and neck portion of the container to securely hold the elastomeric stopper in the open end of the container, said cylindrical collar having a central opening in its flat top portion to allow access to the elastomeric protuberance and the rigid cylindrical housing located in the center portion of said elastomeric stopper; and (4) a removable cap covering the flat top and rim portions of said cylindrical collar comprising retaining ears engaging said cylindrical collar to maintain said closure assembly in aseptic condition;
(ii) removing said removable cap from said flat top and rim portions of said cylindrical collar; and (iii) accessing the medical fluid contained in said container by an access means.
The accessing means of step (iii) of the process is selected from various access means available to healthcare and emergency practitioners and sometimes to patients requiring self injections, and providing for hermetic sealing, safe handling, sterilisation and storing.
Preferably, the access means is a female luer connector or a syringe having a sharp or a blunt needle cannula or a sharp or blunt spike. However, it is preferred that the access means comprise no "sharps", such as in sharp needle cannulas, in order to prevent accidental injuries and transmittance of contagious diseases, such as AIDS
The female luer connector, preferably, comprises:
(I) a cylindrical cap having thread means on the inside wall thereof;
(II) a tubing conduit having a fluid channel therein contained in said cylindrical cap and permanently attached to said cap by sealing means, wherein one end of the tubing conduit extends beyond the bottom rim portion of said cap and is designed to contact and rupture the vertically oriented thin elastomeric protuberance when said cylindrical cap is threaded onto said universal closure assembly to establish fluid communication with the content of the container.
The elastomeric stopper is made of an elastomeric base, such as a natural or synthetic rubber preferably having an inert, polymeric coating thereon covering at least the medical fluid contacting portions of the stopper. The coating may be of chlorobutyl rubber, polymeric fluorocarbon resins and thermoplastic films.
The elastomeric stopper is of cylindrical shape and has a flange head portion overlying the open top end of the container. Integral with the head portion is a skirt portion which extends into the open end and seated in the neck portion of the container, the diameter of the neck portion of the container being somewhat larger than the inside diameter of the skirt portion so that a tight seal is created between the skirt portion and the wall of the container.
In the center portion of the elastomeric stopper there is a cylindrical opening, extending through the head and the skirt portions of the stopper, and comprising a horizontally-oriented bottom portion which extends into the skirt and sealed thereto at the ring bottom portion of the elastomeric stopper. The cylindrical opening through the stopper body would expose the content of the container to the environment allowing contamination therefrom.
In accordance with the present invention, the cylindrical opening accommodates a rupturable sealing membrane positioned in the opening. The sealing membrane is of cylindrical configuration having: a flat, horizontal base open in its center portion; cylindrical side walls extending from the flat, horizontal base to the head top surface of the stopper; and flat, horizontal top surface integral with the cylindrical side walls. The rupturable sealing membrane resembles an empty, up-side-down barrel which is open at its base. The rupturable sealing membrane is of thin, elastomeric material and is preferably integral with the elastomeric stopper.
The cylindrical opening also accommodates a rigid, cylindrical housing or male element, open at both ends, which serves as a male connecting means to receive an external female access means, such as a female luer connector. Such external access means are threaded into the male connecting means thereby rupturing the sealing membrane to establish fluid communication with the content of the container. The rigid cylindrical housing or male element also serves to support the thin, rupturable sealing membrane.
The cylindrical collar, preferably made of metal such as aluminum, is fastened over the elastomeric stopper and the neck portion of the container to securely hold the elastomeric stopper in the open end of the container. The cylindrical collar comprises a central opening in its flat top portion to allow access to the cylindrical opening in the stopper and to the sealing membrane and male element located in the cylindrical opening.
The removable cap covers the flat top and rim portions of the cylindrical collar and comprises retaining ears which engage the cylindrical collar to maintain the closure assembly in aseptic condition.
The container according to the combination and method of the invention is preferably made of glass, however, it can also be made of polymeric materials known in the art, containing medical fluids such as x-ray contrast media and parenteral liquids.
The container has a neck portion terminating in an open end to receive the closure assembly which is inserted in the open end to seal the content therein and maintain it in sterile and aseptic condition. For convenience the invention will be described in combination with glass medicinal bottles. It is to be understood, however, that the invention includes sealing and access means for containers in general which comprise rigid or semi rigid access ports and are capable of receiving such sealing and access means BRIEF DESCRIPTION OF THE DRAWINGS
With reference to the annexed drawings, illustrating the invention:
FIG. 1 A is a perspective view of a container, a stopper with access means, and a cap covering the access means;
FIG. 1 B is a perspective view of the container and the stopper with access means shown in FIG. 1 A without the cap;
FIG. 2 is a top plan view of the container and the cap shown in FIG. lA;
FIG. 3 is a top plan view of the container, the stopper with access means without the cap thereon shown in FIG. 1 B;
FIG. 4 is a cross-sectional view of the container, the stopper with access means and the cap covering the access means taken along the line 4-4 of FIG. lA;
FIG. 4A is a greatly enlarged cross-sectional view of the top of the container, the stopper with the access means and cap shown in FIG. 4;
FIG. SA is a bottom plan view of the cap removed from the container shown in FIG. lA;
FIG. SB is a sectional view of the of the cap removed from the container shown in FIG.SA;
FIG. 6 is a top plan view of a prior art stopper designed to be pierced by a spike;
FIG. 6A is a cross-section of the prior art stopper of FIG. 6;
FIG. 6B is a cross-section of the stopper of the present invention having a cylindrical protuberance in the center thereof which constitutes the seal or diaphragm in the stopper penetrable by various access means;
FIG. 7 is a top plan view of the access means housing;
FIG. 7A is a cross-section of the access means housing;
FIG. 8 is a cross-section of the stopper, the access means housing in the stopper and elastomeric seal or diaphragm supported by the housing;
FIG. 9 is the elastomeric seal removed from the stopper shown in cross-section in FIG.B;
FIG. 9A is a top plan view of the elastomeric seal shown in cross-section in FIG. 9;
FIG. 10 is a cross-sectional view of the elastomeric seal having a generally dome-shaped configuration in the center thereof;
FIG. l0A is the top plan view of the elastomeric seal shown in cross-sectional view in Fig. 10;
FIG. 11 shows a cross-section of a female luer connector with screw threads;
FIG. 12 is a cross-section of a female luer connector which is to engage access means housing shown in FIGS. 7,7A and 8, wherein the female luer connector and access means housing are shown prior to their engagement;
Fig. 12A is a cross-section of the female luer connector partially engaging access means housing and rupturing the elastomeric seal shown in Fig. 12;
FIG. 12B is a cross-sectional view of the female luer connector completely engaging access 5 means housing; and FIG. 13 is a cross-sectional view of the female luer connector disengaging access means housing.
DETAILED DESCRIPTION OF THE INVENTION
10 Refernng to FIGS. 1 A, 1 B, 2, 3, 4, and 4A, the container 10 having an open end in which the universal stopper is used comprises a neck portion 12, a side portion 14, and a bottom portion 16. In the open end of neck portion 12 is located the universal stopper held securely in place by cylindrical collar 70 having an open area 71 in its top center portion said open area being defined by the circular rim denoted by the numeral 74.
Cylindrical collar further comprises a flat top surface 75 defined by circular rims 74 and 76 and top rim portion 73. Cylindrical collar 70 is crimped at its bottom rim 72 to neck portion 12 of the container.
Flat top surface 75 is covered by a cylindrical, removable cap 18 which comprises a flat top portion 20, and a side rim portion 22 which overlaps top rim portion 73 of cylindrical collar 70. FIG. 1 B shows locking ears 50 constituting a part of the universal stopper which is described later in reference to other Figures as the description of the invention proceeds.
Referring to FIGS. 1 B, SA and SB, removable cap 18 covers flat top surface 75 and top rim portion 73 of cylindrical collar to maintain open area in top center portion 71 of cylindrical collar and locking ears SO in aseption condition during storage. Removable cap 18 comprises:
side rim portion 22, flexible retaining ears 24, and retainer button 26. When in place, retaining ears 24 are slid under circular rim 74 in cylindrical collar 70 providing a tight seal between removable cap 18 and flat top surface 75 of cylindrical collar. Retainer button 26 together with retaining ears 24 also serve to limit expansion of the thin elastomeric membrane or seal during sterilization.
Refernng to FIGS. 1 A, 1 B, 4, 4A, 6, 6A and 8, the open end of the container 10 is to receive an elastomeric stopper 60 having a top surface 63 and a bottom surface 65 and comprises: a head 62 and a skirt 64 integral therewith. The head comprises a flange 66, extending laterally outwardly from skirt 64 and is designed to cover the transverse end surface of the container. The elastomeric stopper shown in FIGS. 6 and 6A is conventionally used by the prior art. In the present invention, as best seen in FIGS. 4A and 8, the elastomeric stopper further comprises: a cylindrical opening 68 in its center portion defined by cylindrical walls denoted by the numerals 80 and 80'; bottom ring portion denoted by the numerals 82 and 82';
and funnel shaped opening 83 extending downward from the bottom ring portion into the container defined by walls 84 and 84'. Projecting upward towards the top surface 63 of elastomeric stopper 60 is a hollow, vertically-oriented, cylindrical protuberance 85 defined by cylindrical walls 86 and 86' and top surface 120. Top surface 120, along with cylindrical walls 86 and 86', are designed to serve as the elastomeric seal in the elastomeric stopper. The cylindrical protuberance is preferably integral with the stopper body such as produced by blow molding technique or it may be produced separately and sealed into the central opening defined by walls 80 and 80' in the elastomeric stopper 60.
The vertically-oriented cylindrical protuberance is of thin, membrane-like material designed to be ruptured by an external force exerted on the protuberance by an access means, such as a luer connector.
In reference to FIGS. 7, 7A and 8, in order to support vertically-oriented cylindrical protuberance 85 and to provide a means for receiving a male luer connector, a housing or male element generally designated as 100, is provided, located in the upper center portion 68 of elastomeric stopper 60. Housing 100 comprises: cylindrical wall 102 having a top surface 104 and bottom surface 106. Cylindrical wall 102 comprises an inside wall 108, an outside wall 110, locking ears 50, and horizontally-oriented bottom portion 112.
Locking ears 50 is designed to securely hold a female element of a luer connector. Horizontally-oriented bottom portion 112 extends into the skirt 64 and sealed thereto at the bottom ring portion 82 and 82' of elastomeric stopper 60.
The cylindrical protuberance serving as a sealing membrane is of inert gas-impermeable polymeric material capable of flexing under internal or external pressures such as exerted during steam sterilization. Preferably the membrane has a thickness of from about 0.001 mm to about 1.00 mm and a durometer of from about 25 to about 80 Shore A. Suitable elastomeric materials for constructing the membrane include:
natural rubber;
acrylate-butadiene rubber;
cis-polybutadiene;
S chlorobutyl rubber;
chlorinated polyethylene elastomers;
polyalkylene oxide polymers;
ethylene vinyl acetate;
fluorosilicone rubbers;
hexafluoropropylene-vinylidene fluoride-tetrafluoroethylene terpolymers, such as sold under the tradenames of Fluorel and Viton;
butyl rubbers;
polyisobutene, such as sold under the tradename Vistanex;
synthetic polyisoprene rubber;
silicone rubbers;
styrene-butadiene rubbers;
tetrafluoroethylene propylene copolymers;
thermoplastic-copolyesters; and and any new elastomeric materials.
The cylindrical protuberance serving as sealing means has a horizontal top surface or membrane 120 as shown in FIG. 9 in a cross-sectional view and top plan view in FIG. 9A.
The cylindrical protuberance positioned in elastomeric stopper 60 so that its top surface 120 is spaced about 2 to 3 mm from retainer button 26 of removable cap 18 when the cap is placed on container 10. The spacing allows the membrane to flex outwardly under pressure, such as created under heat sterilization. However, spacing should not be more than about 2 to 3 mm so that under accidentally high pressures, bursting of the membrane is prevented by the retaining button 26 of removable cap 18.
FIGS. 10 and l0A show an elastomeric membrane having a generally dome-shaped configuration in the center thereof. The dome-shaped configuration 124 rises over the horizontal portion 126 towards the top surface of the elastomeric stopper. The configuration allows easy rupture of the membrane when a female luer connector is threaded into universal stopper in order to establish fluid communication between the content of the container and the female luer connector. Preferably, the membrane has a thickness of from about 0.001 mm to about 1.00 mm and a durometer of from about 25 to about 80 Shore A.
The universal stopper of the present invention is preferably used with a female luer connector when fluid communication is desired with the content of the container stoppered by the universal stopper. A typical female luer connector 140 is shown in FIG. 11 and comprises:
cylindrical outside wall 142 and cylindrical inside wall 143 having an opening in their center portion for accommodating a tubing within the inside wall. Cylindrical ring 144 located in the top center portion of cylindrical inside wall 143 tightly holds tubing 160 which has a fluid communicating channel 162. Cylindrical inside wall 143 further comprises integral screw threads 146, 148, 150 and 152 which, upon connecting the female luer connector to the male luer connector, engages locking ears 50 on the housing or male element 100, as shown in FIGS. 7 and 7A. Other type of female luer connectors, such as snap-on connectors may also be used.
FIG. 12 shows, in cross-sectional view, a syringe having a female luer connector, which is to engage universal stopper shown in Fig. 8, wherein the syringe and universal stopper are shown prior to their engagement. When it is desired to deliver medical fluid from container 10 to a patient, removable cap 18 is removed by an upward manual pressure exerted on its rim portion 22 thereby exposing locking ears 50 of the access means housing.
If the female luer connector of FIG. 11 is used it is attached to universal stopper by twisting motion wherein threads 146, 148, 150 and 152 engage locking ears 50 of access means housing 100. Upon turning the female luer connector 140, end portion of tubing 160 ruptures membrane of the universal stopper to establish fluid communication with the content of the container.
FIG. 12A shows, in cross-sectional view, the syringe having the female luer connector partially engaging the universal stopper.
FIG. 12B shows, in cross-sectional view, the syringe having the female luer connector completely engaging the universal stopper.
FIG. 13 shows, in cross-sectional view, the syringe having the female luer connector removed from the universal stopper after their engagement.
The universal stopper can be engaged by a female luer connector having a blunt end which engages and ruptures the cylindrical seal in the center of the universal stopper.
However, the universal stopper also allows access to the content of the container by a sharp or blunt needle cannula or a spike.
Materials of Construction and Use The elastomeric stopper used in conjunction with the universal stopper of the present invention is fluid impervious, resilient, and inert with low teachable additives therein in order to prevent any alteration of the product contained in the container. It may be of a single component or a blend of components. Examples of materials include synthetic and natural rubbers, such as butyl rubber, isoprene rubber, silicone rubber, halogenated rubber, ethylene propylene therpolymer and the like. Specific examples of a synthetic elastomeric rubber include the CHzCF2-C3F6(C3FSH) and the CzF4-CZF30CF3 series of elastomers made by DuPont under the trade names of VITON~ and CARLEZ~; the fluoro-silicone rubbers, such as those made by Dow Corning under the trade name of SILASTIC~; and polyisobutylenes, such as VISTANEX MML-100 and MML-140; and halogenated butyl rubber, such as CHLOROBUTYL 1066, made by Exxon Chemical Company.
These or other suitable elastomers may be made into the desired stopper configuration by known methods. Such methods conventionally include the use of a curing agent, a stabilizer and a filler and comprise a primary and a secondary curing step at elevated temperatures.
The container used in conjunction with the present invention may be of glass or a polymeric material, i.e., plastic, which are well known in the pharmaceutical industry. When the container is made of glass, it is in the shape of a vial or bottle. The vial or bottle is of rigid or semi-flexible polymeric material. In all shapes the container is provided with a neck portion which is rigid and retains its configuration so that it is capable of being hermetically sealed by the elastomeric universal stopper of the present invention. The container may have a volume capacity of from 5 ml to 1000 ml or more, preferably about 10 ml to 500 ml.
1$
The mouth of the container is to receive the universal stopper. The external diameter of the stopper is slightly larger than the internal diameter of the neck of the container so that on insertion of the universal stopper into the mouth of the container, a tight, hermetic seal is achieved.
$ The cylindrical collar is preferably made of metal, such as aluminum, while the housing is made of hard plastic known by the prior art and used in conjunction with pharmaceutical fluids.
Prior to use, the container and component parts of the closure are sterilized and the container is filled with a pharmaceutical fluid, such as a parenteral solution. The universal stopper is inserted, hermetically sealing the content of the container.
Cylindrical collar is then crimped onto the container to securely hold the universal stopper in the container. Lastly, the removable cap is snapped onto the cylindrical collar to complete the closing of the container.
PARTS LIST
Container 10 Neck portion of container 12 Side portion of container 14 Bottom portion of container 16 Cylindrical collar on container 70 Open area in top center portion of cylindrical71 collar Top rim portion of cylindrical collar 73 Open area in top center portion of cylindrical74 rim Flat top surface of cylindrical collar 75 Circular rims defining flat top surface of 74, 76 cylindrical collar Removable cap 18 Flat top portion of removable cap 20 Side rim portion of removable cap 22 Flexible retaining ears 24 Retainer button 26 Locking ears 50 Elastomeric stopper 60 Head of elastomeric stopper 62 Top surface of elastomeric stopper 63 Skirt of elastomeric stopper 64 Bottom surface of elastomeric stopper 65 Flange of elastomeric stopper 66 Elastomeric seal in prior art stopper 67 Cylindrical opening in elastomeric stopper 68 Cylindrical walls defining the cylindrical opening in elastomeric stopper 80, 80' Bottom ring portion in the opening of elastomeric stopper defined by 82, 82' Funnel-shaped opening in skirt of elastomeric stopper 83 PARTS LIST~contd.l Walls of funnel-shaped opening 84, 84' Cylindrical protuberance constituting the seal 85 in elastomeric stopper Walls of cylindrical protuberance 86, 86' Top surface membrane of cylindrical protuberance 120 Housing of male element 100 Cylindrical wall of housing 102 Top surface of housing 104 Bottom surface of housing 106 Inside wall of housing 108 Outside wall of housing 110 Horizontally oriented bottom portion of housing 112 Dome shape portion in top surface of cylindrical 124 protuberance Horizontal surface of cone-shaped configuration 126 Female luer connector 140 Cylindrical outside wall of female luer connector142 Cylindrical inside wall of female luer connector 143 Cylindrical ring of female luer connector 144 Tubing in female luer connector 160 Fluid communicating channel in tubing 162 Integral screw threads in inside wall of female 146, 148, luer connector 150, 152 The present invention has been described in connection with the preferred embodiment shown in the drawings, however, various changes and modifications will be apparent to those skilled in the art.
a chassis and a cap which is attached to the cap by a living hinge.
S The chassis is cylindrical and has vertical grooves on the external sides to facilitate handling. The top of the chassis has a central opening. The chassis includes a removable male luer lock adapter, having external threads thereon, including a ferrule structure the lower end of which has a hollow sharpened lance. The apparatus is used with a syringe having a female luer lock connector which snap fits with the removable male luer lock adapter including the ferrule.
In use, the cap cover is opened, and a syringe is screwed onto the outer end of the adapter. The syringe is then tightened on the adapter which moves the lance downward and the lance penetrates the gasket on the vial thereby establishing flow communication with the content of the vial. The content of the vial is withdrawn by pulling back on the plunger of the syringe. The syringe is then removed with the content therein ready to receive a needle assembly for injecting the content into a patient.
The apparatus may be re-fitted with a new removable adapter 30 and a new ferrule 34 in the chassis 14. Thereafter the apparatus may be closed by cap 20.
U.S. Patent No. 5,433,330 relates to a needleless access stopper used on containers with a cannula having a blunt, stopper penetrating tip. The stopper is used in conjunction with a camlula having a blunt penetrating tip. The stopper includes a disc and a plug extending from the disc into the container. Also included is a diaphragm defined by a target region in the upper face. Also included is a centrally located piercing point positioned to pre-slit the diaphragm. This stopper is not suitable for syringe, cartridge or IV tubing having a female luer connector.
The present invention provides sealing and access means for containers, such as bottles or vials made of glass or plastic containing medical fluids, such as x-ray contrast media and parenteral liquids. The access means provides for hermetic sealing, safe handling, sterilization and storing. For convenience the invention will be described in combination with glass medicinal bottles. It is to be understood, however, that the invention includes sealing and access means for containers in general which comprise rigid or semi rigid access ports and are capable of receiving such sealing and access means.
SUMMARY OF THE INVENTION
The present invention provides a single use universal closure assembly allowing access to a medical fluid contained in a container with conventional access means available to healthcare professionals, such as cartridge or iv tubing equipped with a female luer connector or a syringe having sharp or blunt needle cannula or sharp and blunt spikes.
According to one aspect, the invention refers to a single use universal closure assembly allowing access to a medical fluid contained in the container with conventional access means comprising:
(1) an elastomeric stopper for hermetically sealing a container at its open end; and (2) a cylindrical housing or male element, open at both ends, which serves as a male connecting means.
The male connecting means preferably receives an external female access means, such as a female luer connector.
Preferably, the universal closure assembly according to the invention comprises:
( 1 ) an elastomeric stopper for hermetically sealing the container at its open end comprising:
a head portion;
a skirt portion;
a cylindrical opening in the center of said head and skirt portions;
a hollow, vertically oriented thin elastomeric protuberance sealing the opening in the center portion of the elastomeric stopper designed to be ruptured by an external force;
(2) a rigid, cylindrical housing having open ends enclosing said vertically oriented thin elastomeric protuberance to support said vertically oriented thin elastomeric protuberance and to serve as means for receiving and engaging a female luer connector whereby an external force moves the female luer connector which penetrates the thin elastomeric protuberance to establish fluid communication with the medical fluid contained in a container, said rigid cylindrical housing comprising:
cylindrical walls having a top portion and a bottom portion, said top portion having locking ears designed to hold a female element of a luer connector, and said bottom portion sealed into the skirt portion of the elastomeric stopper.
The universal closure assembly according to the invention further comprises:
(3) a cylindrical collar fastened over a portion of the elastomeric stopper and neck portion of a container to securely hold the elastomeric stopper in the open end of the container, said cylindrical collar having a central opening in its flat top portion to allow access to the elastomeric protuberance and the rigid cylindrical housing located in the center portion of said elastomeric stopper.
According to another aspect, the universal closure assembly according to the invention further comprises: (4) a removable cap.
According to a further aspect, the invention provides a universal closure assembly/container combination comprising:
(a) a container;
(b) a single closure assembly according to the invention.
According to another further aspect, the invention provides a method of assessing a medical fluid contained in a container equipped with the universal closure assembly of the present invention comprising the steps of:
i) providing the universal closure assembly/container combination of the present invention;
ii) removing the removable cap from the flat top and rim portions of the cylindrical collar thereby exposing the sealing membrane and the male element or connecting means in the cylindrical opening of the elastomeric stopper; and iii) accessing the medical fluid contained in the container by an access means.
According to a preferred aspect, the method comprises the following steps:
i) providing a universal closure assembly/container combination comprising:
(a) a container;
(b) a closure assembly according to the invention, wherein said container (a), containing a medical fluid therein, having a neck portion terminating in an open end;
said closure assembly (b), inserted into the open end of said container comprises:
( 1 ) an elastomeric stopper for hermetically sealing the container at its open end comprising:
a head portion;
a skirt portion;
a cylindrical opening in the center of said head and skirt portions;
a hollow, vertically oriented thin elastomeric protuberance sealing the opening in the center portion of the elastomeric stopper designed to be ruptured by an external force;
(2) a rigid, cylindrical housing having open ends enclosing said vertically oriented thin protuberance to support said vertically oriented thin elastomeric protuberance and to serve as means for receiving and twistably engaging a female luer connector whereby an external force moves the female luer connector which penetrates the thin elastomeric protuberance to establish fluid communication with the medical fluid contained in said container, said rigid not-removable cylindrical housing comprising: cylindrical walls having a top portion and a bottom portion, said top portion having locking ears designed to hold a female element of a luer connector, and said bottom portion sealed into the skirt portion of the elastomeric stopper;
(3) a cylindrical collar fastened over a portion of the elastomeric stopper and neck portion of the container to securely hold the elastomeric stopper in the open end of the container, said cylindrical collar having a central opening in its flat top portion to allow access to the elastomeric protuberance and the rigid cylindrical housing located in the center portion of said elastomeric stopper; and (4) a removable cap covering the flat top and rim portions of said cylindrical collar comprising retaining ears engaging said cylindrical collar to maintain said closure assembly in aseptic condition;
(ii) removing said removable cap from said flat top and rim portions of said cylindrical collar; and (iii) accessing the medical fluid contained in said container by an access means.
The accessing means of step (iii) of the process is selected from various access means available to healthcare and emergency practitioners and sometimes to patients requiring self injections, and providing for hermetic sealing, safe handling, sterilisation and storing.
Preferably, the access means is a female luer connector or a syringe having a sharp or a blunt needle cannula or a sharp or blunt spike. However, it is preferred that the access means comprise no "sharps", such as in sharp needle cannulas, in order to prevent accidental injuries and transmittance of contagious diseases, such as AIDS
The female luer connector, preferably, comprises:
(I) a cylindrical cap having thread means on the inside wall thereof;
(II) a tubing conduit having a fluid channel therein contained in said cylindrical cap and permanently attached to said cap by sealing means, wherein one end of the tubing conduit extends beyond the bottom rim portion of said cap and is designed to contact and rupture the vertically oriented thin elastomeric protuberance when said cylindrical cap is threaded onto said universal closure assembly to establish fluid communication with the content of the container.
The elastomeric stopper is made of an elastomeric base, such as a natural or synthetic rubber preferably having an inert, polymeric coating thereon covering at least the medical fluid contacting portions of the stopper. The coating may be of chlorobutyl rubber, polymeric fluorocarbon resins and thermoplastic films.
The elastomeric stopper is of cylindrical shape and has a flange head portion overlying the open top end of the container. Integral with the head portion is a skirt portion which extends into the open end and seated in the neck portion of the container, the diameter of the neck portion of the container being somewhat larger than the inside diameter of the skirt portion so that a tight seal is created between the skirt portion and the wall of the container.
In the center portion of the elastomeric stopper there is a cylindrical opening, extending through the head and the skirt portions of the stopper, and comprising a horizontally-oriented bottom portion which extends into the skirt and sealed thereto at the ring bottom portion of the elastomeric stopper. The cylindrical opening through the stopper body would expose the content of the container to the environment allowing contamination therefrom.
In accordance with the present invention, the cylindrical opening accommodates a rupturable sealing membrane positioned in the opening. The sealing membrane is of cylindrical configuration having: a flat, horizontal base open in its center portion; cylindrical side walls extending from the flat, horizontal base to the head top surface of the stopper; and flat, horizontal top surface integral with the cylindrical side walls. The rupturable sealing membrane resembles an empty, up-side-down barrel which is open at its base. The rupturable sealing membrane is of thin, elastomeric material and is preferably integral with the elastomeric stopper.
The cylindrical opening also accommodates a rigid, cylindrical housing or male element, open at both ends, which serves as a male connecting means to receive an external female access means, such as a female luer connector. Such external access means are threaded into the male connecting means thereby rupturing the sealing membrane to establish fluid communication with the content of the container. The rigid cylindrical housing or male element also serves to support the thin, rupturable sealing membrane.
The cylindrical collar, preferably made of metal such as aluminum, is fastened over the elastomeric stopper and the neck portion of the container to securely hold the elastomeric stopper in the open end of the container. The cylindrical collar comprises a central opening in its flat top portion to allow access to the cylindrical opening in the stopper and to the sealing membrane and male element located in the cylindrical opening.
The removable cap covers the flat top and rim portions of the cylindrical collar and comprises retaining ears which engage the cylindrical collar to maintain the closure assembly in aseptic condition.
The container according to the combination and method of the invention is preferably made of glass, however, it can also be made of polymeric materials known in the art, containing medical fluids such as x-ray contrast media and parenteral liquids.
The container has a neck portion terminating in an open end to receive the closure assembly which is inserted in the open end to seal the content therein and maintain it in sterile and aseptic condition. For convenience the invention will be described in combination with glass medicinal bottles. It is to be understood, however, that the invention includes sealing and access means for containers in general which comprise rigid or semi rigid access ports and are capable of receiving such sealing and access means BRIEF DESCRIPTION OF THE DRAWINGS
With reference to the annexed drawings, illustrating the invention:
FIG. 1 A is a perspective view of a container, a stopper with access means, and a cap covering the access means;
FIG. 1 B is a perspective view of the container and the stopper with access means shown in FIG. 1 A without the cap;
FIG. 2 is a top plan view of the container and the cap shown in FIG. lA;
FIG. 3 is a top plan view of the container, the stopper with access means without the cap thereon shown in FIG. 1 B;
FIG. 4 is a cross-sectional view of the container, the stopper with access means and the cap covering the access means taken along the line 4-4 of FIG. lA;
FIG. 4A is a greatly enlarged cross-sectional view of the top of the container, the stopper with the access means and cap shown in FIG. 4;
FIG. SA is a bottom plan view of the cap removed from the container shown in FIG. lA;
FIG. SB is a sectional view of the of the cap removed from the container shown in FIG.SA;
FIG. 6 is a top plan view of a prior art stopper designed to be pierced by a spike;
FIG. 6A is a cross-section of the prior art stopper of FIG. 6;
FIG. 6B is a cross-section of the stopper of the present invention having a cylindrical protuberance in the center thereof which constitutes the seal or diaphragm in the stopper penetrable by various access means;
FIG. 7 is a top plan view of the access means housing;
FIG. 7A is a cross-section of the access means housing;
FIG. 8 is a cross-section of the stopper, the access means housing in the stopper and elastomeric seal or diaphragm supported by the housing;
FIG. 9 is the elastomeric seal removed from the stopper shown in cross-section in FIG.B;
FIG. 9A is a top plan view of the elastomeric seal shown in cross-section in FIG. 9;
FIG. 10 is a cross-sectional view of the elastomeric seal having a generally dome-shaped configuration in the center thereof;
FIG. l0A is the top plan view of the elastomeric seal shown in cross-sectional view in Fig. 10;
FIG. 11 shows a cross-section of a female luer connector with screw threads;
FIG. 12 is a cross-section of a female luer connector which is to engage access means housing shown in FIGS. 7,7A and 8, wherein the female luer connector and access means housing are shown prior to their engagement;
Fig. 12A is a cross-section of the female luer connector partially engaging access means housing and rupturing the elastomeric seal shown in Fig. 12;
FIG. 12B is a cross-sectional view of the female luer connector completely engaging access 5 means housing; and FIG. 13 is a cross-sectional view of the female luer connector disengaging access means housing.
DETAILED DESCRIPTION OF THE INVENTION
10 Refernng to FIGS. 1 A, 1 B, 2, 3, 4, and 4A, the container 10 having an open end in which the universal stopper is used comprises a neck portion 12, a side portion 14, and a bottom portion 16. In the open end of neck portion 12 is located the universal stopper held securely in place by cylindrical collar 70 having an open area 71 in its top center portion said open area being defined by the circular rim denoted by the numeral 74.
Cylindrical collar further comprises a flat top surface 75 defined by circular rims 74 and 76 and top rim portion 73. Cylindrical collar 70 is crimped at its bottom rim 72 to neck portion 12 of the container.
Flat top surface 75 is covered by a cylindrical, removable cap 18 which comprises a flat top portion 20, and a side rim portion 22 which overlaps top rim portion 73 of cylindrical collar 70. FIG. 1 B shows locking ears 50 constituting a part of the universal stopper which is described later in reference to other Figures as the description of the invention proceeds.
Referring to FIGS. 1 B, SA and SB, removable cap 18 covers flat top surface 75 and top rim portion 73 of cylindrical collar to maintain open area in top center portion 71 of cylindrical collar and locking ears SO in aseption condition during storage. Removable cap 18 comprises:
side rim portion 22, flexible retaining ears 24, and retainer button 26. When in place, retaining ears 24 are slid under circular rim 74 in cylindrical collar 70 providing a tight seal between removable cap 18 and flat top surface 75 of cylindrical collar. Retainer button 26 together with retaining ears 24 also serve to limit expansion of the thin elastomeric membrane or seal during sterilization.
Refernng to FIGS. 1 A, 1 B, 4, 4A, 6, 6A and 8, the open end of the container 10 is to receive an elastomeric stopper 60 having a top surface 63 and a bottom surface 65 and comprises: a head 62 and a skirt 64 integral therewith. The head comprises a flange 66, extending laterally outwardly from skirt 64 and is designed to cover the transverse end surface of the container. The elastomeric stopper shown in FIGS. 6 and 6A is conventionally used by the prior art. In the present invention, as best seen in FIGS. 4A and 8, the elastomeric stopper further comprises: a cylindrical opening 68 in its center portion defined by cylindrical walls denoted by the numerals 80 and 80'; bottom ring portion denoted by the numerals 82 and 82';
and funnel shaped opening 83 extending downward from the bottom ring portion into the container defined by walls 84 and 84'. Projecting upward towards the top surface 63 of elastomeric stopper 60 is a hollow, vertically-oriented, cylindrical protuberance 85 defined by cylindrical walls 86 and 86' and top surface 120. Top surface 120, along with cylindrical walls 86 and 86', are designed to serve as the elastomeric seal in the elastomeric stopper. The cylindrical protuberance is preferably integral with the stopper body such as produced by blow molding technique or it may be produced separately and sealed into the central opening defined by walls 80 and 80' in the elastomeric stopper 60.
The vertically-oriented cylindrical protuberance is of thin, membrane-like material designed to be ruptured by an external force exerted on the protuberance by an access means, such as a luer connector.
In reference to FIGS. 7, 7A and 8, in order to support vertically-oriented cylindrical protuberance 85 and to provide a means for receiving a male luer connector, a housing or male element generally designated as 100, is provided, located in the upper center portion 68 of elastomeric stopper 60. Housing 100 comprises: cylindrical wall 102 having a top surface 104 and bottom surface 106. Cylindrical wall 102 comprises an inside wall 108, an outside wall 110, locking ears 50, and horizontally-oriented bottom portion 112.
Locking ears 50 is designed to securely hold a female element of a luer connector. Horizontally-oriented bottom portion 112 extends into the skirt 64 and sealed thereto at the bottom ring portion 82 and 82' of elastomeric stopper 60.
The cylindrical protuberance serving as a sealing membrane is of inert gas-impermeable polymeric material capable of flexing under internal or external pressures such as exerted during steam sterilization. Preferably the membrane has a thickness of from about 0.001 mm to about 1.00 mm and a durometer of from about 25 to about 80 Shore A. Suitable elastomeric materials for constructing the membrane include:
natural rubber;
acrylate-butadiene rubber;
cis-polybutadiene;
S chlorobutyl rubber;
chlorinated polyethylene elastomers;
polyalkylene oxide polymers;
ethylene vinyl acetate;
fluorosilicone rubbers;
hexafluoropropylene-vinylidene fluoride-tetrafluoroethylene terpolymers, such as sold under the tradenames of Fluorel and Viton;
butyl rubbers;
polyisobutene, such as sold under the tradename Vistanex;
synthetic polyisoprene rubber;
silicone rubbers;
styrene-butadiene rubbers;
tetrafluoroethylene propylene copolymers;
thermoplastic-copolyesters; and and any new elastomeric materials.
The cylindrical protuberance serving as sealing means has a horizontal top surface or membrane 120 as shown in FIG. 9 in a cross-sectional view and top plan view in FIG. 9A.
The cylindrical protuberance positioned in elastomeric stopper 60 so that its top surface 120 is spaced about 2 to 3 mm from retainer button 26 of removable cap 18 when the cap is placed on container 10. The spacing allows the membrane to flex outwardly under pressure, such as created under heat sterilization. However, spacing should not be more than about 2 to 3 mm so that under accidentally high pressures, bursting of the membrane is prevented by the retaining button 26 of removable cap 18.
FIGS. 10 and l0A show an elastomeric membrane having a generally dome-shaped configuration in the center thereof. The dome-shaped configuration 124 rises over the horizontal portion 126 towards the top surface of the elastomeric stopper. The configuration allows easy rupture of the membrane when a female luer connector is threaded into universal stopper in order to establish fluid communication between the content of the container and the female luer connector. Preferably, the membrane has a thickness of from about 0.001 mm to about 1.00 mm and a durometer of from about 25 to about 80 Shore A.
The universal stopper of the present invention is preferably used with a female luer connector when fluid communication is desired with the content of the container stoppered by the universal stopper. A typical female luer connector 140 is shown in FIG. 11 and comprises:
cylindrical outside wall 142 and cylindrical inside wall 143 having an opening in their center portion for accommodating a tubing within the inside wall. Cylindrical ring 144 located in the top center portion of cylindrical inside wall 143 tightly holds tubing 160 which has a fluid communicating channel 162. Cylindrical inside wall 143 further comprises integral screw threads 146, 148, 150 and 152 which, upon connecting the female luer connector to the male luer connector, engages locking ears 50 on the housing or male element 100, as shown in FIGS. 7 and 7A. Other type of female luer connectors, such as snap-on connectors may also be used.
FIG. 12 shows, in cross-sectional view, a syringe having a female luer connector, which is to engage universal stopper shown in Fig. 8, wherein the syringe and universal stopper are shown prior to their engagement. When it is desired to deliver medical fluid from container 10 to a patient, removable cap 18 is removed by an upward manual pressure exerted on its rim portion 22 thereby exposing locking ears 50 of the access means housing.
If the female luer connector of FIG. 11 is used it is attached to universal stopper by twisting motion wherein threads 146, 148, 150 and 152 engage locking ears 50 of access means housing 100. Upon turning the female luer connector 140, end portion of tubing 160 ruptures membrane of the universal stopper to establish fluid communication with the content of the container.
FIG. 12A shows, in cross-sectional view, the syringe having the female luer connector partially engaging the universal stopper.
FIG. 12B shows, in cross-sectional view, the syringe having the female luer connector completely engaging the universal stopper.
FIG. 13 shows, in cross-sectional view, the syringe having the female luer connector removed from the universal stopper after their engagement.
The universal stopper can be engaged by a female luer connector having a blunt end which engages and ruptures the cylindrical seal in the center of the universal stopper.
However, the universal stopper also allows access to the content of the container by a sharp or blunt needle cannula or a spike.
Materials of Construction and Use The elastomeric stopper used in conjunction with the universal stopper of the present invention is fluid impervious, resilient, and inert with low teachable additives therein in order to prevent any alteration of the product contained in the container. It may be of a single component or a blend of components. Examples of materials include synthetic and natural rubbers, such as butyl rubber, isoprene rubber, silicone rubber, halogenated rubber, ethylene propylene therpolymer and the like. Specific examples of a synthetic elastomeric rubber include the CHzCF2-C3F6(C3FSH) and the CzF4-CZF30CF3 series of elastomers made by DuPont under the trade names of VITON~ and CARLEZ~; the fluoro-silicone rubbers, such as those made by Dow Corning under the trade name of SILASTIC~; and polyisobutylenes, such as VISTANEX MML-100 and MML-140; and halogenated butyl rubber, such as CHLOROBUTYL 1066, made by Exxon Chemical Company.
These or other suitable elastomers may be made into the desired stopper configuration by known methods. Such methods conventionally include the use of a curing agent, a stabilizer and a filler and comprise a primary and a secondary curing step at elevated temperatures.
The container used in conjunction with the present invention may be of glass or a polymeric material, i.e., plastic, which are well known in the pharmaceutical industry. When the container is made of glass, it is in the shape of a vial or bottle. The vial or bottle is of rigid or semi-flexible polymeric material. In all shapes the container is provided with a neck portion which is rigid and retains its configuration so that it is capable of being hermetically sealed by the elastomeric universal stopper of the present invention. The container may have a volume capacity of from 5 ml to 1000 ml or more, preferably about 10 ml to 500 ml.
1$
The mouth of the container is to receive the universal stopper. The external diameter of the stopper is slightly larger than the internal diameter of the neck of the container so that on insertion of the universal stopper into the mouth of the container, a tight, hermetic seal is achieved.
$ The cylindrical collar is preferably made of metal, such as aluminum, while the housing is made of hard plastic known by the prior art and used in conjunction with pharmaceutical fluids.
Prior to use, the container and component parts of the closure are sterilized and the container is filled with a pharmaceutical fluid, such as a parenteral solution. The universal stopper is inserted, hermetically sealing the content of the container.
Cylindrical collar is then crimped onto the container to securely hold the universal stopper in the container. Lastly, the removable cap is snapped onto the cylindrical collar to complete the closing of the container.
PARTS LIST
Container 10 Neck portion of container 12 Side portion of container 14 Bottom portion of container 16 Cylindrical collar on container 70 Open area in top center portion of cylindrical71 collar Top rim portion of cylindrical collar 73 Open area in top center portion of cylindrical74 rim Flat top surface of cylindrical collar 75 Circular rims defining flat top surface of 74, 76 cylindrical collar Removable cap 18 Flat top portion of removable cap 20 Side rim portion of removable cap 22 Flexible retaining ears 24 Retainer button 26 Locking ears 50 Elastomeric stopper 60 Head of elastomeric stopper 62 Top surface of elastomeric stopper 63 Skirt of elastomeric stopper 64 Bottom surface of elastomeric stopper 65 Flange of elastomeric stopper 66 Elastomeric seal in prior art stopper 67 Cylindrical opening in elastomeric stopper 68 Cylindrical walls defining the cylindrical opening in elastomeric stopper 80, 80' Bottom ring portion in the opening of elastomeric stopper defined by 82, 82' Funnel-shaped opening in skirt of elastomeric stopper 83 PARTS LIST~contd.l Walls of funnel-shaped opening 84, 84' Cylindrical protuberance constituting the seal 85 in elastomeric stopper Walls of cylindrical protuberance 86, 86' Top surface membrane of cylindrical protuberance 120 Housing of male element 100 Cylindrical wall of housing 102 Top surface of housing 104 Bottom surface of housing 106 Inside wall of housing 108 Outside wall of housing 110 Horizontally oriented bottom portion of housing 112 Dome shape portion in top surface of cylindrical 124 protuberance Horizontal surface of cone-shaped configuration 126 Female luer connector 140 Cylindrical outside wall of female luer connector142 Cylindrical inside wall of female luer connector 143 Cylindrical ring of female luer connector 144 Tubing in female luer connector 160 Fluid communicating channel in tubing 162 Integral screw threads in inside wall of female 146, 148, luer connector 150, 152 The present invention has been described in connection with the preferred embodiment shown in the drawings, however, various changes and modifications will be apparent to those skilled in the art.
Claims (35)
1. A universal closure assembly allowing access to a medical fluid contained in a container (10) with conventional access means comprising:
(1) an elastomeric stopper (60) for hermetically sealing a container (10) at its open end;
and (2) a cylindrical housing (100), open at both ends, which serves as a male connecting means.
(1) an elastomeric stopper (60) for hermetically sealing a container (10) at its open end;
and (2) a cylindrical housing (100), open at both ends, which serves as a male connecting means.
2. The universal closure assembly according to claim 1, wherein said male connecting means receives an external female access means.
3. The universal closure assembly according to claim 2, wherein said external female access means is a female luer connector (140).
4. The universal closure assembly according to claim 1, wherein said elastomeric stopper (60) comprises a hollow, vertically oriented thin elastomeric protuberance (85) sealing the opening in the center portion of the elastomeric stopper designed to be ruptured by an external force.
5. The universal closure assembly according to claim 1, wherein said elastomeric stopper (60) for hermetically sealing the container at its open end comprises:
a head portion (62);
a skirt portion (64);
a cylindrical opening (68) in the center of said head (62) and skirt (64) portions;
a hollow, vertically oriented thin elastomeric protuberance (85) sealing the opening in the center portion (120) of the elastomeric stopper designed to be ruptured by an external force.
a head portion (62);
a skirt portion (64);
a cylindrical opening (68) in the center of said head (62) and skirt (64) portions;
a hollow, vertically oriented thin elastomeric protuberance (85) sealing the opening in the center portion (120) of the elastomeric stopper designed to be ruptured by an external force.
6. The universal closure assembly according to claims 4-5, wherein said vertically oriented cylindrical protuberance (85) is of inert, gas-impermeable polymeric material selected from the group consisting of:
natural rubber;
acrylate-butadiene rubber;
cis-polybutadiene;
chlorobutyl rubber;
chlorinated polyethylene elastomers;
polyalkylene oxide polymers;
ethylene vinyl acetate;
fluorosilicone rubbers;
hexafluoropropylene-vinylidene fluoride-tetrafluoroethylene terpolymers;
butyl rubbers;
polyisobutene;
synthetic polyisoprene rubber;
silicone rubbers;
styrene-butadiene rubbers;
tetrafluoroethylene propylene copolymers; and thermoplastic-copolyesters.
natural rubber;
acrylate-butadiene rubber;
cis-polybutadiene;
chlorobutyl rubber;
chlorinated polyethylene elastomers;
polyalkylene oxide polymers;
ethylene vinyl acetate;
fluorosilicone rubbers;
hexafluoropropylene-vinylidene fluoride-tetrafluoroethylene terpolymers;
butyl rubbers;
polyisobutene;
synthetic polyisoprene rubber;
silicone rubbers;
styrene-butadiene rubbers;
tetrafluoroethylene propylene copolymers; and thermoplastic-copolyesters.
7. The universal closure assembly according to claims 4-6, wherein said vertically oriented cylindrical protuberance (85) has a thickness of from about 0.001 mm to about 1.00 mm and a durometer of from about 25 to about 80 Shore A.
8. The universal closure assembly according to claims 4-7, wherein said vertically oriented cylindrical protuberance (85) is of dome-shape, cone-shape or conic-section configuration.
9. The universal closure assembly according to claims 4-8, wherein said vertically oriented cylindrical protuberance (85) reseals itself after puncture by a fluid access means.
10. The universal closure assembly according to claim 1, wherein said rigid, cylindrical housing (100) has open ends enclosing a vertically oriented thin elastomeric protuberance (85) to support said vertically oriented thin elastomeric protuberance (85) and to serve as means for receiving and engaging a female luer connector (140) whereby an external force moves the female luer connector (140) which penetrates the thin elastomeric protuberance (85) to establish fluid communication with the medical fluid contained in the container (10), said rigid not removable cylindrical housing (100) comprising: cylindrical walls (102) having a top portion (104) and a bottom portion (106), said top portion (104) having locking ears (50) designed to hold a female element of a luer connector, and said bottom portion (106) sealed into the skirt portion (64) of the elastomeric stopper.
11. The universal closure assembly according to claim 1, wherein said access means comprises a luer connector or a syringe having a sharp or blunt needle cannula or a sharp or blunt spike.
12. The universal closure assembly according to claims 1-11, further comprising:
a cylindrical collar (70) fastened over a portion of the elastomeric stopper (60) and neck portion (12) of a container (10) to securely hold the elastomeric stopper (60) in the open end of the container, said cylindrical collar (70) having a central opening in its flat top portion (75) to allow access to the elastomeric protuberance (85) and the rigid cylindrical housing (100) located in the center portion of said elastomeric stopper (60).
a cylindrical collar (70) fastened over a portion of the elastomeric stopper (60) and neck portion (12) of a container (10) to securely hold the elastomeric stopper (60) in the open end of the container, said cylindrical collar (70) having a central opening in its flat top portion (75) to allow access to the elastomeric protuberance (85) and the rigid cylindrical housing (100) located in the center portion of said elastomeric stopper (60).
13. The universal closure assembly according to claims 1-12, further comprising a removable cap (18) covering the flat top (75) and rim (74, 76) portions of said cylindrical collar (70).
14. A universal closure assembly/container combination comprising:
(a) a container (10);
(b) a single use closure assembly according to claims 1-13.
(a) a container (10);
(b) a single use closure assembly according to claims 1-13.
15. A universal closure assembly/container combination to claim 14, wherein said container (10), containing a medical fluid therein, having a neck portion (12) terminating in an open end;
said closure assembly, having an access means allowing withdrawal of said medical fluid from the container (10) by the use of a luer connector having an intravenous tubing, a sharp or blunt needle cannula or a spike, is inserted into the open end of said container (10) and comprises:
(1) an elastomeric stopper (60) for hermetically sealing the container (10) at its open end comprising:
a head portion (62);
a skirt portion (64);
a cylindrical opening (68) in the center of said head (62) and skirt (64) portions;
a hollow, vertically oriented thin elastomeric protuberance (85) sealing the opening in the center portion of the elastomeric stopper (60) designed to be ruptured by an external force;
(2) a rigid, cylindrical housing (100) having open ends enclosing said vertically oriented thin elastomeric protuberance (85) to support said vertically oriented thin elastomeric protuberance (85) and to serve as means for receiving and engaging a female luer connector (140) whereby an external force moves the female luer connector (140) which penetrates the thin elastomeric protuberance (85) to establish fluid communication with the medical fluid contained in said container (10), said rigid cylindrical housing (100) comprising: cylindrical walls (102) having a top portion (104) and a bottom portion (106), said top portion (104) having locking ears (50) designed to hold a female element (140) of a luer connector, and said bottom portion (104) sealed into the skirt portion (64) of the elastomeric stopper (60);
(3) a cylindrical collar (70) fastened over a portion of the elastomeric stopper (60) and neck portion (12) of the container (10) to securely hold the elastomeric stopper (60) in the open end of the container (10), said cylindrical collar (70) having a central opening in its flat top portion (75) to allow access to the elastomeric protuberance (85) and the rigid cylindrical housing (100) located in the center portion of said elastomeric stopper (60);
and (4) a removable cap (18) covering the flat top (75) and rim (74,76) portions of said cylindrical collar (70) comprising retaining ears engaging said cylindrical collar to maintain said closure assembly in aseptic condition.
said closure assembly, having an access means allowing withdrawal of said medical fluid from the container (10) by the use of a luer connector having an intravenous tubing, a sharp or blunt needle cannula or a spike, is inserted into the open end of said container (10) and comprises:
(1) an elastomeric stopper (60) for hermetically sealing the container (10) at its open end comprising:
a head portion (62);
a skirt portion (64);
a cylindrical opening (68) in the center of said head (62) and skirt (64) portions;
a hollow, vertically oriented thin elastomeric protuberance (85) sealing the opening in the center portion of the elastomeric stopper (60) designed to be ruptured by an external force;
(2) a rigid, cylindrical housing (100) having open ends enclosing said vertically oriented thin elastomeric protuberance (85) to support said vertically oriented thin elastomeric protuberance (85) and to serve as means for receiving and engaging a female luer connector (140) whereby an external force moves the female luer connector (140) which penetrates the thin elastomeric protuberance (85) to establish fluid communication with the medical fluid contained in said container (10), said rigid cylindrical housing (100) comprising: cylindrical walls (102) having a top portion (104) and a bottom portion (106), said top portion (104) having locking ears (50) designed to hold a female element (140) of a luer connector, and said bottom portion (104) sealed into the skirt portion (64) of the elastomeric stopper (60);
(3) a cylindrical collar (70) fastened over a portion of the elastomeric stopper (60) and neck portion (12) of the container (10) to securely hold the elastomeric stopper (60) in the open end of the container (10), said cylindrical collar (70) having a central opening in its flat top portion (75) to allow access to the elastomeric protuberance (85) and the rigid cylindrical housing (100) located in the center portion of said elastomeric stopper (60);
and (4) a removable cap (18) covering the flat top (75) and rim (74,76) portions of said cylindrical collar (70) comprising retaining ears engaging said cylindrical collar to maintain said closure assembly in aseptic condition.
16. The universal closure assembly/container combination of claim 14 wherein said container (10) is made of glass.
17. The universal closure assembly/container combination of claim 14 wherein said container (10) is a vial.
18. The universal closure assembly/container combination of claim 14 wherein said container (10) is a bottle.
19. The universal closure assembly/container combination of claim 14 wherein said container (10) is made of a polymeric material.
20. The universal closure assembly/container combination of claim 14 wherein the medical fluid, contained into said container (10), is a parenteral liquid.
21. The universal closure assembly/container combination of claim 20 wherein said parenteral liquid is an x-ray contrast medium.
22. The universal closure assembly/container combination of claim 20 wherein said parenteral liquid is a therapeutic liquid.
23. The universal closure assembly/container combination of claim 14 wherein the volume capacity of said container is of from about 5 ml to about 1000 ml.
24. A method of assessing a medical fluid contained in a container (10) equipped with a universal closure assembly, allowing access to a medical fluid contained in said container (10) with conventional access means, comprising the steps of:
i) providing a universal closure assembly/container combination comprising a container (10) and a universal assembly, said closure assembly, being inserted into the open end of said container (10), comprising:
(1) an elastomeric stopper (60) for hermetically sealing a container (10) at its open end;
(2) a cylindrical housing (100), open at both ends, which serves as a male connecting means;
(3) a cylindrical collar (70); and (4) a removable cap (18);
ii) removing the removable cap (18) from the flat top (75) and rim (74,76) portions of the cylindrical collar (70) thereby exposing the sealing membrane and the male element or connecting means in the cylindrical opening of the elastomeric stopper (60); and iii) accessing the medical fluid contained in the container (10) by an access means.
i) providing a universal closure assembly/container combination comprising a container (10) and a universal assembly, said closure assembly, being inserted into the open end of said container (10), comprising:
(1) an elastomeric stopper (60) for hermetically sealing a container (10) at its open end;
(2) a cylindrical housing (100), open at both ends, which serves as a male connecting means;
(3) a cylindrical collar (70); and (4) a removable cap (18);
ii) removing the removable cap (18) from the flat top (75) and rim (74,76) portions of the cylindrical collar (70) thereby exposing the sealing membrane and the male element or connecting means in the cylindrical opening of the elastomeric stopper (60); and iii) accessing the medical fluid contained in the container (10) by an access means.
25. The method according to claim 24, wherein said elastomeric stopper (60) for hermetically sealing the container at its open end comprising:
a head portion (62);
a skirt portion (64);
a cylindrical opening (68) in the center of said head (62) and skirt (64) portions;
a hollow, vertically oriented thin elastomeric protuberance (85) sealing the opening in the center portion of the elastomeric stopper (60) designed to be ruptured by an external force.
a head portion (62);
a skirt portion (64);
a cylindrical opening (68) in the center of said head (62) and skirt (64) portions;
a hollow, vertically oriented thin elastomeric protuberance (85) sealing the opening in the center portion of the elastomeric stopper (60) designed to be ruptured by an external force.
26. The method of claim 24, wherein said cylindrical housing (100) has open ends enclosing said vertically oriented thin protuberance (85) to support said vertically oriented thin elastomeric protuberance (85) and to serve as means for receiving and twistably engaging a female luer connector (140) whereby an external force moves the female luer connector (140) which penetrates the thin elastomeric protuberance (85) to establish fluid communication with the medical fluid contained in said container (10), said rigid not removable cylindrical housing (100) comprising: cylindrical walls (102) having a top portion (104) and a bottom portion (106), said top portion (104) having locking ears (50) designed to hold a female element of a luer connector, and said bottom portion (106) sealed into the skirt portion (64) of the elastomeric stopper (60).
27. The method of claim 24, wherein said cylindrical collar (70) is fastened over a portion of the elastomeric stopper (60) and neck portion (12) of the container (10) to securely hold the elastomeric stopper (60) in the open end of the container (10), said cylindrical collar (70) having a central opening in its flat top portion (75) to allow access to the elastomeric protuberance (85) and the rigid cylindrical housing (100) located in the center portion of said elastomeric stopper (60).
28. The method of claim 24, wherein said removable cap (18) covering the flat top (75) and rim (74,76) portions of said cylindrical collar (70) comprising retaining ears engaging said cylindrical collar (70) to maintain said closure assembly in aseptic condition.
29. The method of claim 24 or 26, wherein said access means is a female luer connector (140) comprising:
(a) a cylindrical cap having thread means on the inside wall thereof;
(b) a tubing conduit (160) having a fluid channel (162) therein contained in said cylindrical cap and permanently attached to said cap by sealing means, wherein one end of the tubing conduit (160) extends beyond the bottom rim portion of said cap and is designed to contact and rupture the vertically oriented thin elastomeric protuberance (85) when said cylindrical cap is threaded onto said universal closure assembly to establish fluid communication with the content of the container (10).
(a) a cylindrical cap having thread means on the inside wall thereof;
(b) a tubing conduit (160) having a fluid channel (162) therein contained in said cylindrical cap and permanently attached to said cap by sealing means, wherein one end of the tubing conduit (160) extends beyond the bottom rim portion of said cap and is designed to contact and rupture the vertically oriented thin elastomeric protuberance (85) when said cylindrical cap is threaded onto said universal closure assembly to establish fluid communication with the content of the container (10).
30. The method of claim 24, wherein said access means is a syringe having a sharp or blunt needle cannula or a sharp or blunt spike.
31. The method of claim 25, wherein said vertically oriented thin elastomeric protuberance (85) has a thickness of from about 0.001 mm to about 1.00 mm and a durometer of from about 25 to about 80 Shore A.
32. The method of claim 25, wherein said vertically oriented thin elastomeric protuberance (85) is of an elastomeric material selected from the group consisting of:
natural rubber;
acrylate-butadiene rubber;
cis-polybutadiene;
chlorobutyl rubber;
chlorinated polyethylene elastomers;
polyalkylene oxide polymers;
ethylene vinyl acetate;
fluorosilicone rubbers;
hexafluoropropylene-vinylidene fluoride-tetrafluoroethylene terpolymers;
butyl rubbers;
polyisobutene;
synthetic polyisoprene rubber;
silicone rubbers;
styrene-butadiene rubbers;
tetrafluoroethylene propylene copolymers; and thermoplastic-copolyesters.
natural rubber;
acrylate-butadiene rubber;
cis-polybutadiene;
chlorobutyl rubber;
chlorinated polyethylene elastomers;
polyalkylene oxide polymers;
ethylene vinyl acetate;
fluorosilicone rubbers;
hexafluoropropylene-vinylidene fluoride-tetrafluoroethylene terpolymers;
butyl rubbers;
polyisobutene;
synthetic polyisoprene rubber;
silicone rubbers;
styrene-butadiene rubbers;
tetrafluoroethylene propylene copolymers; and thermoplastic-copolyesters.
33. The method of claim 24, wherein said medical fluid is a therapeutic liquid.
34. The method of claim 24, wherein said medical fluid is a diagnostic liquid.
35. The method of claim 24, wherein said medical fluid is a nutritional liquid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/071,944 US5921419A (en) | 1998-05-04 | 1998-05-04 | Universal stopper |
| US09/071,944 | 1998-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2261897A1 true CA2261897A1 (en) | 1999-11-04 |
Family
ID=22104589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2261897 Abandoned CA2261897A1 (en) | 1998-05-04 | 1999-02-12 | Universal stopper |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US5921419A (en) |
| EP (1) | EP0956849B1 (en) |
| JP (1) | JPH11319031A (en) |
| CA (1) | CA2261897A1 (en) |
| DE (1) | DE69919262T2 (en) |
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- 1998-05-04 US US09/071,944 patent/US5921419A/en not_active Expired - Lifetime
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-
1999
- 1999-02-12 CA CA 2261897 patent/CA2261897A1/en not_active Abandoned
- 1999-02-18 JP JP4039499A patent/JPH11319031A/en active Pending
- 1999-02-19 DE DE1999619262 patent/DE69919262T2/en not_active Expired - Lifetime
- 1999-02-19 EP EP19990103307 patent/EP0956849B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0956849A3 (en) | 2000-07-12 |
| DE69919262D1 (en) | 2004-09-16 |
| EP0956849B1 (en) | 2004-08-11 |
| US5971181A (en) | 1999-10-26 |
| DE69919262T2 (en) | 2005-08-04 |
| EP0956849A2 (en) | 1999-11-17 |
| JPH11319031A (en) | 1999-11-24 |
| US5921419A (en) | 1999-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |