WO2002058760B1 - Endodontic irrigator tips having cannulas with annealed distal portions and related methods - Google Patents

Endodontic irrigator tips having cannulas with annealed distal portions and related methods

Info

Publication number
WO2002058760B1
WO2002058760B1 PCT/US2002/000959 US0200959W WO02058760B1 WO 2002058760 B1 WO2002058760 B1 WO 2002058760B1 US 0200959 W US0200959 W US 0200959W WO 02058760 B1 WO02058760 B1 WO 02058760B1
Authority
WO
WIPO (PCT)
Prior art keywords
tip
length
recited
cannula
endodontic irrigator
Prior art date
Application number
PCT/US2002/000959
Other languages
French (fr)
Other versions
WO2002058760A3 (en
WO2002058760A2 (en
Inventor
Dan E Fischer
Original Assignee
Ultradent Products Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ultradent Products Inc filed Critical Ultradent Products Inc
Priority to AU2002239896A priority Critical patent/AU2002239896A1/en
Priority to CA002402619A priority patent/CA2402619A1/en
Priority to EP02705767A priority patent/EP1367973B1/en
Priority to JP2002559092A priority patent/JP4077725B2/en
Priority to DE60232311T priority patent/DE60232311D1/en
Publication of WO2002058760A2 publication Critical patent/WO2002058760A2/en
Publication of WO2002058760A3 publication Critical patent/WO2002058760A3/en
Publication of WO2002058760B1 publication Critical patent/WO2002058760B1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00Filling or capping teeth
    • A61C5/40Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots

Abstract

An endodontic irrigator tip (20) having a cannula (60) with an annealed distal portion (65) and a proximal portion (63) enables the cannula (60) to easily move within a root canal. The cannula (60) extends from a hub (22) that is adapted for coupling with a syringe or other delivery device. The cannula (60) has an outlet orifice for delivering an irrigant out of the endodontic irrigator tip and into the root canal. The outlet orifice may be defined by a rounded rim that optimally enables the distal insertion end of the cannula to be advanced within the root canal.

Claims

22AMENDED CLAIMS[received by the International Bureau on 22 August 2002 (22.08.02); original claims 1-30 replaced by amended claims 1-23 (3 pages)]
1. An endodontic irrigator tip comprising: a hub comprising proximal and distal ends and a hollow interior chamber through which fluid is delivered; a single, integrated tip means, attached to the distal end of said hub, for delivering fluid to a root canal of a tooth, and comprising, first means at a distal portion of the tip means, for providing an annealed, flexible portion which is bendable and comfortable to the root canal as the tip means traverses the root canal; and second means at a proximal portion of the tip means, for providing a non-annealed, more rigid portion which facilitates traversing the root canal with said tip means.
2. An endodontic irrigator tip as recited in claim 1, wherein the tip means comprises a conduit defined by an interior surface of the delivery means, the conduit receiving fluids via the hollow interior chamber of the hub and said conduit terminating at an outlet orifice such that fluids can be delivered through the conduit and out of the outlet orifice.
3. An endodontic irrigator tip as recited in claim 1, further comprising means for coupling the proximal end of the hub to a source for dispensing fluid to the irrigator tip.
4. An endodontic irrigator tip as recited in claim 1, wherein the tip means has a length in a range from about 10 millimeters to about 35 millimeters.
5. An endodontic irrigator tip as recited in claim 1, wherein the tip means has a conduit with a gauge in a range from about 33 gauge to about 18 gauge.
6. An endodontic irrigator tip as recited in claim 1, wherein the tip means has a length such that there is a ratio between the length of the annealed portion and the overall length of the tip means ranging from about 0.5% to about 90%.
7. An endodontic irrigator tip as recited in claim 1, wherein the tip means has a length such that there is a ratio between the length of the annealed portion and the overall length of the tip means ranging from about 20% to about 60%.
8. An endodontic irrigator tip as recited in claim 1, wherein the tip means has a length such that there is a ratio between the overall length of the annealed portion and the length of the tip means ranging from about 20% to about 35%.
9. An endodontic irrigator tip as recited in claim 1, wherein the annealed portion has a length in a range from about 0.5 mm to about 31.5 mm.
10. An endodontic irrigator tip as recited in claim 1, wherein the annealed portion has a length in a range from about 2 mm to about 12 mm.
11. An endodontic irrigator tip as recited in claim 1, wherein the annealed portion has a length in a range from about 5 mm to about 8 mm.
12. An endodontic irrigator tip as recited in claim 1, wherein the outlet orifice is defined by a rounded rim.
13. An endodontic irrigator tip comprising: a hub comprising proximal and distal ends, and a hollow chamber defined by an interior surface of the hub, wherein the hollow chamber has an inlet for providing fluid communication with a source of fluid; a one-piece cannula extending from the distal end of the hub with a length and outer diameter that permits insertion of the cannula into a root canal of a tooth, the cannula comprising, a conduit defined by an interior surface of the cannula, an inlet that is in fluid communication with the hollow chamber of the hub, an outlet orifice located at the distal insertion end of the cannula such that fluids can be delivered from the hollow chamber, through the conduit and then out of the outlet orifice, an annealed distal portion which is bendable and comfortable to the root canal as the tip means traverses the root canal, and a non-annealed, more rigid portion which facilitates traversing the root canal with said cannula.
14. An endodontic irrigator tip as recited in claim 13, further comprising means for coupling the proximal end of the hub to the source of fluid.
15. An endodontic irrigator tip as recited in claim 13, wherein the cannula has a length in a range from about 10 millimeters to about 35 millimeters.
16. An endodontic irrigator tip as recited in claim 13, wherein the cannula has a conduit with a gauge in a range from about 33 gauge to about 18 gauge. 24
17. An endodontic irrigator tip as recited in claim 13, wherein the cannula has a length such that there is a ratio between the length of the annealed portion and the length of the cannula ranging from about 0.5% to about 90%.
18. An endodontic irrigator tip as recited in claim 13, wherein the cannula has a length such that there is a ratio between the length of the annealed portion and the length of the cannula ranging from about 20% to about 60%.
19. An endodontic irrigator tip as recited in claim 13, wherein the cannula has a length such that there is a ratio between the length of the annealed portion and the length of the cannula ranging from about 20% to about 35%.
20. An endodontic irrigator tip as recited in claim 13, wherein the annealed portion has a length in a range from about 0.5 mm to about 31.5 mm.
21. An endodontic irrigator tip as recited in claim 13, wherein the annealed portion has a length in a range from about 2 mm to about 12 mm.
22. An endodontic irrigator tip as recited in claim 13, wherein the annealed portion has a length in a range from about 5 mm to about 8 mm.
23. An endodontic irrigator tip as recited in claim 13, wherein the outlet orifice is defined by a rounded rim.
PCT/US2002/000959 2001-01-22 2002-01-14 Endodontic irrigator tips having cannulas with annealed distal portions and related methods WO2002058760A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2002239896A AU2002239896A1 (en) 2001-01-22 2002-01-14 Endodontic irrigator tips having cannulas with annealed distal portions and related methods
CA002402619A CA2402619A1 (en) 2001-01-22 2002-01-14 Endodontic irrigator tips having cannulas with annealed distal portions and related methods
EP02705767A EP1367973B1 (en) 2001-01-22 2002-01-14 Endodontic irrigator tips having cannulas with annealed distal portions and related methods
JP2002559092A JP4077725B2 (en) 2001-01-22 2002-01-14 Iririgator tip for endodontic treatment with cannula with annealed tip and associated method
DE60232311T DE60232311D1 (en) 2001-01-22 2002-01-14 ENDODONTIC IRRIGATOR ENDS WITH CANNULES HAVING THE TEMPERED DISTALE PARTS AND RELATED PROCESSES THEREOF

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/766,721 2001-01-22
US09/766,721 US6422865B1 (en) 2001-01-22 2001-01-22 Endodontic irrigator tips having cannulas with annealed distal portions and related methods

Publications (3)

Publication Number Publication Date
WO2002058760A2 WO2002058760A2 (en) 2002-08-01
WO2002058760A3 WO2002058760A3 (en) 2002-09-19
WO2002058760B1 true WO2002058760B1 (en) 2003-01-16

Family

ID=25077310

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/000959 WO2002058760A2 (en) 2001-01-22 2002-01-14 Endodontic irrigator tips having cannulas with annealed distal portions and related methods

Country Status (7)

Country Link
US (1) US6422865B1 (en)
EP (1) EP1367973B1 (en)
JP (1) JP4077725B2 (en)
AU (1) AU2002239896A1 (en)
CA (1) CA2402619A1 (en)
DE (1) DE60232311D1 (en)
WO (1) WO2002058760A2 (en)

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JP2008543460A (en) * 2005-06-20 2008-12-04 ノボ・ノルデイスク・エー/エス Cannula with ductile part
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WO2012177985A2 (en) * 2011-06-22 2012-12-27 Dentsply International, Inc. Tissue management impression material and dispensing system
FR3018446B1 (en) * 2014-03-11 2021-12-10 Arnaud Deturmeny IMPROVEMENT FOR CANAL IRRIGATION NEEDLE
EP3125774B1 (en) * 2014-04-04 2020-05-27 HyperBranch Medical Technology, Inc. Extended tip spray applicator for two-component surgical selant, and methods of use thereof
JPWO2016002389A1 (en) * 2014-07-02 2017-04-27 テルモ株式会社 Safety needle assembly
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Also Published As

Publication number Publication date
EP1367973B1 (en) 2009-05-13
CA2402619A1 (en) 2002-08-01
JP2004517691A (en) 2004-06-17
WO2002058760A3 (en) 2002-09-19
AU2002239896A1 (en) 2002-08-06
DE60232311D1 (en) 2009-06-25
EP1367973A4 (en) 2006-04-12
JP4077725B2 (en) 2008-04-23
WO2002058760A2 (en) 2002-08-01
US6422865B1 (en) 2002-07-23
EP1367973A2 (en) 2003-12-10

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