DE3302567A1 - Catheter - Google Patents
CatheterInfo
- Publication number
- DE3302567A1 DE3302567A1 DE19833302567 DE3302567A DE3302567A1 DE 3302567 A1 DE3302567 A1 DE 3302567A1 DE 19833302567 DE19833302567 DE 19833302567 DE 3302567 A DE3302567 A DE 3302567A DE 3302567 A1 DE3302567 A1 DE 3302567A1
- Authority
- DE
- Germany
- Prior art keywords
- catheter
- catheter according
- metal
- antimicrobial material
- antimicrobial
- 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.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
- A61B5/076—Permanent implantations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0056—Catheters; Hollow probes characterised by structural features provided with an antibacterial agent, e.g. by coating, residing in the polymer matrix or releasing an agent out of a reservoir
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Die Erfindung betxvif-ft einen Katheter aus einem biegtThe invention betxvif-ft bends a catheter out of one
samen Kunststoffrohr, der zum Einführen und längeren Verbleib in ein Blutgefäß oder eine Körperhöhle eines lebenden Organismus bestimmt; ist.seed plastic tube that is used for insertion and prolonged stay in a Designates a blood vessel or a body cavity of a living organism; is.
Katheter der herkömmlichen Fertigung werden vor allem in der Humanmedizin bei der Verabreichung von Infusionen und Transfusionen, zur Messung des herznahen, zentralen Venendrucks, zur Ableitung des Harns aus der Harnblase nach einer Punktion oder nach Einführen über den Harnleiter verwendet.Conventional manufacturing catheters are mainly used in human medicine when administering infusions and transfusions, for measuring the near-heart, central Venous pressure, used to drain urine from the urinary bladder used after a puncture or after insertion through the ureter.
Mit zunehmendem Ausbau der Intensivmedizin werden immer mehr Menschen vorübergehend künstlich mit Mineral- und Nährstofflösungen sowie Blutbestandteilen versorgt.With the increasing expansion of intensive care medicine, more and more people are temporarily artificially with mineral and nutrient solutions as well as blood components provided.
deren Bilanzierung über Messung der Harnaussoheidung mittels Blasenkatheter gemessen wird. Es handelt-sich hier um einen wesentlichen Aufgabenbereich der Intensivmedizin.their balancing by measuring the urine excretion using a urinary catheter is measured. This is an essential area of activity in intensive care medicine.
Bei den bisher verwendeten Kathetern der eingangs bezeichneten Art tritt als wesentliches Problem eine-Infektionsgefährdung durch eine künstliche Eröffnung von Blutgefäßen oder Körperhöhlen auf. Die biologische Barriere der Haut wird unterbrochen. So können Keime entlang des Stichkanais oder der Harnröhre zu einer örtlichen Entzündung führen. Bei weiterem Fortschreiten können sie in die Gefäße bzw. zum Blut oder in Körperhöhlen gelangen.In the case of the previously used catheters of the type mentioned at the beginning The main problem is a risk of infection through an artificial opening from blood vessels or body cavities. The skin's biological barrier is broken. Germs along the stab canal or the urethra can cause local inflammation to lead. With further progress they can enter the vessels or the blood or in Body cavities.
Eine schwere Allgemeininfektion oder Blutvergiftung kann die Folge sein. Weiterhin besteht bei den herkömmlichen Kathetern die Gefahr, daß sich an der Katheterpitze Keime ablagern und von hier zur weiteren Verbreitung führen. Iluch die Ablagerung von Fibrin und Blutplättchen kann die Keimbesiedelung fördern.A severe general infection or blood poisoning can result be. Furthermore, with the conventional catheters there is a risk that germs deposit on the tip of the catheter and from here lead to further spread. Iluch the deposition of fibrin and blood platelets can promote the colonization of germs.
Demgegenüber liegt der Erfindung die Aufgabe zugrunde, einen Katheter der eingangs genannten Art so weiterzubilden, daß das Infektionsrisiko auch bei einer über das bisher für höchstzulässig gehaltene Maß hinausgehenden Verweildauer stark reduziert wird.In contrast, the invention is based on the object of a catheter of the type mentioned so that the risk of infection also with a length of stay that goes beyond what was previously considered to be the maximum permissible amount is greatly reduced.
Zur Tötung dieser Aufgabe sieht die Erfindung vor, daß bestimmte Oberflächenbereiche des katheters aus einem antimikrobiell wirksamen Material bestehen, vorzugsweise aus einem Metall oder einer Metallegierung.To kill this problem, the invention provides that certain surface areas of the catheter consist of an antimicrobial material, preferably made of a metal or a metal alloy.
Erläuterung der erfindungsgemäßen Lösung Die zugrundeliegende Idee ist, die Flexibilität der .Kunststof'atheter mit den antimikrobiellen Zigenschaften von Metallen zu vereinen (wie sie z.B. vom Gebrauch von Metallkanülen her bekannt ist). Dabei können die nachteiligen Eigenschaften der vermehrten Keimbesiedelung von Kunststoffoberflächen überwunden werden, ohne die fehlende Elastizität von Metallrohren in Kauf nehmen zu müssen. Weitere Vorteile des erfindungsgemäßen Katheters sind die Dauerhaftigkeit der antimikrobiellen Wirkung im Gegensatz zu Kathetern mit implantierten Antibiotika; die Möglichkeit, das Eindringen von Keimen entlang des- 1-T.atheters durch die Haut bzw, die Wand der Gefäße öder Körperhöhlen zu verhindern und die Haftung von Blutbestandteilen wie Blutplättchen oder Fibrin bzw. von Salzen aus den Körperhöhlen an den inerten Oberflächen zu erschweren. Vorteilhafte Ausgestaltungen und Weiterbildungen des Erfindungsgegenstandes sind in den Unteransprüchen niedergelegt.Explanation of the solution according to the invention The underlying idea is the flexibility of plastic catheters with their antimicrobial properties of metals (as known e.g. from the use of metal cannulas is). The disadvantageous properties of the increased colonization of germs can thereby can be overcome by plastic surfaces without the lack of elasticity of metal pipes to have to accept. Further advantages of the catheter according to the invention are the durability of the antimicrobial effect in contrast to catheters with implanted Antibiotics; the possibility of the penetration of germs along the 1-T.atheter through the skin or, respectively, the wall of the blood vessels to prevent and the body cavities Adhesion of blood components such as platelets or fibrin or of salts to complicate the body cavities on the inert surfaces. Advantageous configurations and further developments of the subject matter of the invention are laid down in the subclaims.
-lie Erfindung wird im Folgenden anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnung beschrieben.-lie invention is explained below on the basis of exemplary embodiments described with reference to the drawing.
In dieser zeigt Figur 1 eine perspektivische Ansicht eines erfindungsgemäßen Katheters (i) bestehend aus Kunststoffrohr (2) mit Aussenschicht (3) und Innen-Schicht (4) Figur 2 einen Schnitt längs der Linie TI-II durch den katheter aus Figur 1mit durchgehender Aussenschicht- (3) und Innenschicht (4) und Figur 5 einen der Figur 2 entsprechenden Schnitt durch eine andere Ausführungsform. bestehend aus Kunststoffrohr (2) und darin eingebette--ten Teilchen in der Aussenschicht (5) und der Innenschicht (6) in. verschiedenen Ausführungen.In this figure 1 shows a perspective view of an inventive Catheter (i) consisting of a plastic tube (2) with an outer layer (3) and an inner layer (4) FIG. 2 shows a section along the line TI-II through the catheter from FIG. 1 with continuous outer layer (3) and inner layer (4) and Figure 5 one of the figure 2 corresponding section through another embodiment. consisting of plastic tube (2) and embedded particles in the outer layer (5) and the inner layer (6) in different designs.
Der Katheter 1 gemäß den Figuren 1 und 2 bzw. 3 besteht aus einem biegsamen Rohr 2. Dieses Rohr 2 ist an der Katheterspitze und eventuell an anderen Stellen an der Aussenfläche 3 und / oder en der Innenfläche 4 mit einer dünnen antimikrobiell wirksamen Schicht z.B. einem Übernug aus einem Ketall oder einer Metallegierung verseken.The catheter 1 according to Figures 1 and 2 or 3 consists of one flexible tube 2. This tube 2 is on the catheter tip and possibly on others Place on the outer surface 3 and / or on the inner surface 4 with a thin antimicrobial effective layer e.g. an overlay made of a ketallic or a metal alloy sink.
In Figur 3 sind statt der aufliegenden Schicht 3 bzw. @ in die Vand des Kunststoffrohres 3 mtimikrobiell wieksame Partik@l entlang der äußeren 5 und/oder der inneran 6 @berfläche implantiert. Dabei kann die Verteilung der Teilchen, deren Größe und gegenseitiger Abstant voniieren.In Figure 3, instead of the overlying layer 3 or @ in the wall of the plastic tube 3 mimicrobially weighty Partik @ l along the outer 5 and / or implanted on the inner surface. The distribution of the particles, their Size and mutual distance.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833302567 DE3302567A1 (en) | 1983-01-26 | 1983-01-26 | Catheter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833302567 DE3302567A1 (en) | 1983-01-26 | 1983-01-26 | Catheter |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3302567A1 true DE3302567A1 (en) | 1984-07-26 |
Family
ID=6189270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833302567 Ceased DE3302567A1 (en) | 1983-01-26 | 1983-01-26 | Catheter |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3302567A1 (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3444201A1 (en) * | 1983-12-05 | 1985-09-05 | Ash Medical Systems Inc., West Lafayette, Ind. | PERMANENTLY USED TRANSCUTANE CONNECTING DEVICE OR ACCESS DEVICE FOR BLOOD VESSELS |
DE3441586A1 (en) * | 1984-11-14 | 1986-05-15 | Jörg-Günter Dr.med. 3100 Celle Wiedeck | Urethral catheter |
EP0301717A1 (en) * | 1987-07-09 | 1989-02-01 | Karo Maeda | Medical tubes for placement into the body of a patient |
EP0484680A1 (en) * | 1990-10-09 | 1992-05-13 | The Furukawa Electric Co., Ltd. | Method of producing catheter and catheter thus obtained |
DE4041720A1 (en) * | 1990-12-24 | 1992-06-25 | Feldmann Michael | In-dwelling vein-infusion needle - has part entering body of oligo:dynamic metal, discharging ions on contact with fluids preventing infection |
DE9203077U1 (en) * | 1992-03-05 | 1992-07-30 | Fuhrmann, Gerhard, Dr. | |
EP0589577A1 (en) * | 1992-09-24 | 1994-03-30 | Smiths Industries Medical Systems Inc. | Suction catheter assemblies |
DE4316920A1 (en) * | 1993-05-20 | 1994-11-24 | Michael Dr Med Hartmann | Endotracheal tube |
DE4324994C1 (en) * | 1993-07-26 | 1995-02-23 | Demetron Gmbh | Equipment and sanitary articles for hospitals |
US5468562A (en) * | 1991-03-01 | 1995-11-21 | Spire Corporation | Metallized polymeric implant with ion embedded coating |
US5474797A (en) * | 1991-10-18 | 1995-12-12 | Spire Corporation | Bactericidal coatings for implants |
US5492763A (en) * | 1992-06-08 | 1996-02-20 | Spire Corporation | Infection resistant medical devices and process |
US5520664A (en) * | 1991-03-01 | 1996-05-28 | Spire Corporation | Catheter having a long-lasting antimicrobial surface treatment |
US5681575A (en) * | 1992-05-19 | 1997-10-28 | Westaim Technologies Inc. | Anti-microbial coating for medical devices |
DE29719818U1 (en) * | 1997-11-07 | 1998-01-15 | Huels Chemische Werke Ag | Device for coating catheters |
US5837275A (en) * | 1992-05-19 | 1998-11-17 | Westaim Technologies, Inc. | Anti-microbial materials |
DE19932463A1 (en) * | 1999-07-12 | 2001-01-18 | Bernd Tietze | Stay-in-vein cannula for intravenous administration comprises a puncturing cannular and surrounding plastic capillary tube which are of the same length and have leading ends terminating in the same cross-sectional plane |
US6716895B1 (en) | 1999-12-15 | 2004-04-06 | C.R. Bard, Inc. | Polymer compositions containing colloids of silver salts |
US7820284B2 (en) | 2001-12-03 | 2010-10-26 | C.R. Bard Inc. | Microbe-resistant medical device, microbe-resistant polymeric coating and methods for producing same |
US8034454B2 (en) | 1999-12-15 | 2011-10-11 | C.R. Bard, Inc. | Antimicrobial compositions containing colloids of oligodynamic metals |
WO2018141783A1 (en) | 2017-01-31 | 2018-08-09 | Schierholz Joerg Michael | Catheter hub made of plastic that contains molecularly dispersed polychlorinated phenoxyphenol (pcpp) |
-
1983
- 1983-01-26 DE DE19833302567 patent/DE3302567A1/en not_active Ceased
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3444201A1 (en) * | 1983-12-05 | 1985-09-05 | Ash Medical Systems Inc., West Lafayette, Ind. | PERMANENTLY USED TRANSCUTANE CONNECTING DEVICE OR ACCESS DEVICE FOR BLOOD VESSELS |
DE3441586A1 (en) * | 1984-11-14 | 1986-05-15 | Jörg-Günter Dr.med. 3100 Celle Wiedeck | Urethral catheter |
EP0301717A1 (en) * | 1987-07-09 | 1989-02-01 | Karo Maeda | Medical tubes for placement into the body of a patient |
US4923450A (en) * | 1987-07-09 | 1990-05-08 | Karo Maeda | Medical tubes for placement into the body of a patient |
EP0484680A1 (en) * | 1990-10-09 | 1992-05-13 | The Furukawa Electric Co., Ltd. | Method of producing catheter and catheter thus obtained |
DE4041720A1 (en) * | 1990-12-24 | 1992-06-25 | Feldmann Michael | In-dwelling vein-infusion needle - has part entering body of oligo:dynamic metal, discharging ions on contact with fluids preventing infection |
US5468562A (en) * | 1991-03-01 | 1995-11-21 | Spire Corporation | Metallized polymeric implant with ion embedded coating |
US5520664A (en) * | 1991-03-01 | 1996-05-28 | Spire Corporation | Catheter having a long-lasting antimicrobial surface treatment |
US5474797A (en) * | 1991-10-18 | 1995-12-12 | Spire Corporation | Bactericidal coatings for implants |
DE9203077U1 (en) * | 1992-03-05 | 1992-07-30 | Fuhrmann, Gerhard, Dr. | |
US5985308A (en) * | 1992-05-19 | 1999-11-16 | Westaim Technologies, Inc. | Process for producing anti-microbial effect with complex silver ions |
US6238686B1 (en) | 1992-05-19 | 2001-05-29 | Westaim Technologies | Anti-microbial coating for medical devices |
US5681575A (en) * | 1992-05-19 | 1997-10-28 | Westaim Technologies Inc. | Anti-microbial coating for medical devices |
US5753251A (en) * | 1992-05-19 | 1998-05-19 | Westaim Technologies, Inc. | Anti-microbial coating for medical device |
US5770255A (en) * | 1992-05-19 | 1998-06-23 | Westaim Technologies, Inc. | Anti-microbial coating for medical devices |
US5837275A (en) * | 1992-05-19 | 1998-11-17 | Westaim Technologies, Inc. | Anti-microbial materials |
US6017553A (en) * | 1992-05-19 | 2000-01-25 | Westaim Technologies, Inc. | Anti-microbial materials |
US5492763A (en) * | 1992-06-08 | 1996-02-20 | Spire Corporation | Infection resistant medical devices and process |
US5779687A (en) * | 1992-09-24 | 1998-07-14 | Smiths Industries Public Limited Company | Method of removing undesirable fluid from respiration passages by suction catheter assemblies |
EP0589577A1 (en) * | 1992-09-24 | 1994-03-30 | Smiths Industries Medical Systems Inc. | Suction catheter assemblies |
DE4316920A1 (en) * | 1993-05-20 | 1994-11-24 | Michael Dr Med Hartmann | Endotracheal tube |
US5725510A (en) * | 1993-05-20 | 1998-03-10 | Hartmann; Michael | Endotracheal tube |
DE4324994C1 (en) * | 1993-07-26 | 1995-02-23 | Demetron Gmbh | Equipment and sanitary articles for hospitals |
DE29719818U1 (en) * | 1997-11-07 | 1998-01-15 | Huels Chemische Werke Ag | Device for coating catheters |
DE19932463A1 (en) * | 1999-07-12 | 2001-01-18 | Bernd Tietze | Stay-in-vein cannula for intravenous administration comprises a puncturing cannular and surrounding plastic capillary tube which are of the same length and have leading ends terminating in the same cross-sectional plane |
US6716895B1 (en) | 1999-12-15 | 2004-04-06 | C.R. Bard, Inc. | Polymer compositions containing colloids of silver salts |
US8034454B2 (en) | 1999-12-15 | 2011-10-11 | C.R. Bard, Inc. | Antimicrobial compositions containing colloids of oligodynamic metals |
US7820284B2 (en) | 2001-12-03 | 2010-10-26 | C.R. Bard Inc. | Microbe-resistant medical device, microbe-resistant polymeric coating and methods for producing same |
WO2018141783A1 (en) | 2017-01-31 | 2018-08-09 | Schierholz Joerg Michael | Catheter hub made of plastic that contains molecularly dispersed polychlorinated phenoxyphenol (pcpp) |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8131 | Rejection |