WO1999037344A1 - Syringe cannula holder - Google Patents

Syringe cannula holder Download PDF

Info

Publication number
WO1999037344A1
WO1999037344A1 PCT/US1998/025659 US9825659W WO9937344A1 WO 1999037344 A1 WO1999037344 A1 WO 1999037344A1 US 9825659 W US9825659 W US 9825659W WO 9937344 A1 WO9937344 A1 WO 9937344A1
Authority
WO
WIPO (PCT)
Prior art keywords
cannula
syringe
sleeve
holder
cannula holder
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
Application number
PCT/US1998/025659
Other languages
French (fr)
Inventor
Charles K. Beauvais
Edwin H. Blatt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcon Vision LLC
Original Assignee
Alcon Laboratories 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 Alcon Laboratories Inc filed Critical Alcon Laboratories Inc
Priority to DE69808902T priority Critical patent/DE69808902T2/en
Priority to CA002278348A priority patent/CA2278348C/en
Priority to JP11538309A priority patent/JP2000513641A/en
Priority to BR9808038-5A priority patent/BR9808038A/en
Priority to AU16236/99A priority patent/AU720990B2/en
Priority to EP98960697A priority patent/EP0980276B1/en
Priority to AT98960697T priority patent/ATE226460T1/en
Publication of WO1999037344A1 publication Critical patent/WO1999037344A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/344—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub using additional parts, e.g. clamping rings or collets
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
    • A61M2005/3139—Finger grips not integrally formed with the syringe barrel, e.g. using adapter with finger grips

Definitions

  • This invention relates generally to the field of syringes and, more particularly, to syringes used with viscoelastic agents.
  • various viscoelastic agents may be introduced into the surgical site. These agents generally are expressed into the surgical site out of a syringe and through a relatively thin cannula.
  • the pressure at the syringe/cannula fitting can be very high due to the high viscosity of the viscoelastic agents.
  • attempts to express the agent out of the cannula can cause the cannula to become disconnected from the syringe.
  • the present invention improves upon the prior art syringe and/or cannula holders by providing a holder having an outer sleeve with an external thread that receives an internally threaded nut.
  • the nut has a passage that permits a syringe cannula to pass through so that when the syringe body is installed within the outer sleeve, the nut may be threaded onto the outer sleeve leaving the cannula exposed.
  • the syringe is held within the outer sleeve by a retaining ring.
  • one objective of the present invention is to provide a cannula holder that helps to prevent the cannula from disconnecting from the syringe during use.
  • Another objective of the present invention is to provide a syringe sleeve having an external thread that receives an internally threaded nut.
  • FIG. 1 is an expanded perspective view of the cannula holder of the present invention receiving a syringe and cannula.
  • FIG. 2 is a perspective view of the cannula holder of the present invention with the syringe shown in shadow line.
  • FIG. 3 is an expanded elevational view of the cannula holder of the present invention receiving a cannula and a locking nut, with the syringe shown in shadow line.
  • FIG. 4 is a elevational view of the cannula holder of the present invention.
  • FIG. 5 is a cross-sectional view of the cannula holder of the present invention taken along line 5-5 in FIG. 4.
  • FIG. 6 is a front end view of a locking nut that may be used with the present invention.
  • FIG. 7 is a cross-sectional view of a locking nut that may be used with the present invention taken along line 7-7 in FIG. 6.
  • FIG. 8 is a rear end view of a syringe sleeve that may be used with the present invention.
  • FIG. 9 is a cross-sectional view of a syringe sleeve that may be used with the present invention taken along line 9-9 in FIG. 8.
  • FIG. 10 is a cross-sectional view of a syringe sleeve that may be used with the present invention taken along line 10-10 in FIG. 8.
  • syringe cannula holder 10 of the present invention generally consists of outer sleeve 12, syringe retainer 14 and locking nut 16.
  • sleeve 12 is generally tubular with flared end 18 and internally and externally threaded end 20 opposite end 18. Flared end 18 contains snap tabs 22 that project into bore 24.
  • Sleeve 12 is sized and shaped to accept any commercially available syringe 26 and may be made of any suitable material, such as plastic, with polycarbonate being preferred.
  • locking nut 16 has an open, internally threaded end 28, and a generally closed, tapered end 30 containing small opening 32. Open end 28 and internal thread 34 are sized and shaped to be received on external thread 36 on end 20 of sleeve 12 and may be made of any suitable material, such as plastic, with polycarbonate being preferred.
  • plunger 54 is inserted into syringe 26 and the plunger/syringe is inserted into bore 24 of sleeve 12.
  • Flange 38 on syringe 26 fits within recess 40 in end 18 of bore 24 and held in place by snapping retainer 14 over flange 38 and under snaps 22 on sleeve 12.
  • Cannula assembly 42 is inserted into end 20 of sleeve 12 and rotated so that external thread 43 on cannula hub 44 is received within internal thread 48 on end 20 of sleeve 12 and bore 50 on hub 44 is frictionally received on end 52 of syringe 26.
  • Opening 32 on locking nut 16 is threaded over cannula 46 on cannula assembly 42 so that internal thread 34 on locking nut 16 engages external thread
  • Locking nut 16 is turned until locking nut 16 is tight against cannula hub 44, as best seen in FIG. 5.

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Sampling And Sample Adjustment (AREA)
  • External Artificial Organs (AREA)

Abstract

A syringe cannula holder having an outer sleeve with an external thread that receives an internally threaded nut. The nut has a passage that permits a syringe cannula to pass through so that when the syringe body is installed within the outer sleeve, the nut may be threaded onto the outer sleeve leaving the cannula exposed. The syringe is held within the outer sleeve by a retaining ring.

Description

SYRINGE CANNULA HOLDER
Background of the Invention This invention relates generally to the field of syringes and, more particularly, to syringes used with viscoelastic agents.
During surgery, particularly ophthalmic surgery, various viscoelastic agents may be introduced into the surgical site. These agents generally are expressed into the surgical site out of a syringe and through a relatively thin cannula. The pressure at the syringe/cannula fitting can be very high due to the high viscosity of the viscoelastic agents. As a result, attempts to express the agent out of the cannula can cause the cannula to become disconnected from the syringe.
Prior art syringes intended for use with viscoelastic agents, such as described in U.S. Patent No. 4,540,405 (Miller, et al.) have been directed primarily at providing a better grip on the relatively small syringe so that sufficient force can be applied to express the viscoelastic agent, and the cannula may still become disconnected from the syringe.
Accordingly, a need continues to exist for a holder that tightly secures a cannula on the end of a syringe.
Brief Summary of the Invention
The present invention improves upon the prior art syringe and/or cannula holders by providing a holder having an outer sleeve with an external thread that receives an internally threaded nut. The nut has a passage that permits a syringe cannula to pass through so that when the syringe body is installed within the outer sleeve, the nut may be threaded onto the outer sleeve leaving the cannula exposed. The syringe is held within the outer sleeve by a retaining ring.
Accordingly, one objective of the present invention is to provide a cannula holder that helps to prevent the cannula from disconnecting from the syringe during use.
Another objective of the present invention is to provide a syringe sleeve having an external thread that receives an internally threaded nut.
This and other advantages and objectives of the present invention will become apparent from the detailed description and claims that follow. Brief Description of the Drawings FIG. 1 is an expanded perspective view of the cannula holder of the present invention receiving a syringe and cannula.
FIG. 2 is a perspective view of the cannula holder of the present invention with the syringe shown in shadow line.
FIG. 3 is an expanded elevational view of the cannula holder of the present invention receiving a cannula and a locking nut, with the syringe shown in shadow line. FIG. 4 is a elevational view of the cannula holder of the present invention. FIG. 5 is a cross-sectional view of the cannula holder of the present invention taken along line 5-5 in FIG. 4.
FIG. 6 is a front end view of a locking nut that may be used with the present invention.
FIG. 7 is a cross-sectional view of a locking nut that may be used with the present invention taken along line 7-7 in FIG. 6. FIG. 8 is a rear end view of a syringe sleeve that may be used with the present invention.
FIG. 9 is a cross-sectional view of a syringe sleeve that may be used with the present invention taken along line 9-9 in FIG. 8.
FIG. 10 is a cross-sectional view of a syringe sleeve that may be used with the present invention taken along line 10-10 in FIG. 8.
Detailed Description of the Invention As best seen in FIG. 1, syringe cannula holder 10 of the present invention generally consists of outer sleeve 12, syringe retainer 14 and locking nut 16. As best seen in FIGS. 8-10, sleeve 12 is generally tubular with flared end 18 and internally and externally threaded end 20 opposite end 18. Flared end 18 contains snap tabs 22 that project into bore 24. Sleeve 12 is sized and shaped to accept any commercially available syringe 26 and may be made of any suitable material, such as plastic, with polycarbonate being preferred. As best seen in FIGS. 5-7, locking nut 16 has an open, internally threaded end 28, and a generally closed, tapered end 30 containing small opening 32. Open end 28 and internal thread 34 are sized and shaped to be received on external thread 36 on end 20 of sleeve 12 and may be made of any suitable material, such as plastic, with polycarbonate being preferred.
As best seen in FIGS. 1, 3 and 5, in use, plunger 54 is inserted into syringe 26 and the plunger/syringe is inserted into bore 24 of sleeve 12. Flange 38 on syringe 26 fits within recess 40 in end 18 of bore 24 and held in place by snapping retainer 14 over flange 38 and under snaps 22 on sleeve 12. Cannula assembly 42 is inserted into end 20 of sleeve 12 and rotated so that external thread 43 on cannula hub 44 is received within internal thread 48 on end 20 of sleeve 12 and bore 50 on hub 44 is frictionally received on end 52 of syringe 26. Opening 32 on locking nut 16 is threaded over cannula 46 on cannula assembly 42 so that internal thread 34 on locking nut 16 engages external thread
36 on end 20 of sleeve 12. Locking nut 16 is turned until locking nut 16 is tight against cannula hub 44, as best seen in FIG. 5.
This description is given for purposes of illustration and explanation. It will be apparent to those skilled in the relevant art that modifications may be made to the invention as herein described without departing from its scope or spirit.

Claims

We claim:
1 1. A cannula holder for a syringe, comprising:
2 a) a sleeve having a bore for receiving a syringe having a flange, the sleeve
3 having an open, flared end and an end having an external thread opposite the flared
4 end;
5 b) a retaining nut having an internal thread sized and shaped to be received on
6 the external thread of the sleeve; and
7 c) a retainer sized and shaped to fit within the open, flared end of the sleeve
8 and over the syringe flange for retaining the syringe within the sleeve.
l 2. The cannula holder of claim 1 wherein the sleeve comprises plastic.
1 3. The cannula holder of claim 1 further comprising a cannula assembly
2 having an external thread that engages an internal thread on the end of sleeve.
1 4. The cannula holder of claim 3 wherein the retaining nut has a bore and the
2 cannula assembly has an attached cannula projecting outward from the cannula holder so
3 that the cannula is received through the bore on the retaining nut when the retaining nut is
4 received on the end of the sleeve.
1 5. A cannula holder for a syringe, comprising:
2 a) a sleeve having a bore for receiving a syringe having a flange, the sleeve
3 having an open, flared end and an end having external and internal threads opposite
4 the flared end; s b) a retaining nut having a bore and an internal thread sized and shaped to be
6 received on the external thread of the sleeve;
7 c) a cannula assembly having an external thread that engages the internal
8 thread on the end of sleeve; and
9 d) a retainer sized and shaped to fit within the open, flared end of the sleeve o and over the syringe flange for retaining the syringe within the sleeve.
6. The cannula holder of claim 5 wherein the cannula assembly has an attached cannula projecting outward from the cannula holder so that the cannula is received through the bore on the retaining nut when the retaining nut is received on the external thread of the sleeve.
PCT/US1998/025659 1998-01-22 1998-12-03 Syringe cannula holder Ceased WO1999037344A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE69808902T DE69808902T2 (en) 1998-01-22 1998-12-03 SYRINGE NEEDLE HOLDER
CA002278348A CA2278348C (en) 1998-01-22 1998-12-03 Syringe cannula holder
JP11538309A JP2000513641A (en) 1998-01-22 1998-12-03 Syringe cannula holder
BR9808038-5A BR9808038A (en) 1998-01-22 1998-12-03 Syringe cannula holder
AU16236/99A AU720990B2 (en) 1998-01-22 1998-12-03 Syringe cannula holder
EP98960697A EP0980276B1 (en) 1998-01-22 1998-12-03 Syringe cannula holder
AT98960697T ATE226460T1 (en) 1998-01-22 1998-12-03 SYRINGE CANNULA HOLDER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/012,128 1998-01-22
US09/012,128 US5876379A (en) 1998-01-22 1998-01-22 Syringe cannula holder

Publications (1)

Publication Number Publication Date
WO1999037344A1 true WO1999037344A1 (en) 1999-07-29

Family

ID=21753517

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/025659 Ceased WO1999037344A1 (en) 1998-01-22 1998-12-03 Syringe cannula holder

Country Status (10)

Country Link
US (1) US5876379A (en)
EP (1) EP0980276B1 (en)
JP (1) JP2000513641A (en)
AT (1) ATE226460T1 (en)
AU (1) AU720990B2 (en)
BR (1) BR9808038A (en)
CA (1) CA2278348C (en)
DE (1) DE69808902T2 (en)
ES (1) ES2184345T3 (en)
WO (1) WO1999037344A1 (en)

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JP2003044071A (en) * 2001-07-31 2003-02-14 Clarion Co Ltd Device and method for reading sentence
US7601140B2 (en) 2004-06-25 2009-10-13 Alcon, Inc. Syringe pressure applicator

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US6135984A (en) * 1999-01-06 2000-10-24 Dishler; Jon G. Cannula for use in corrective laser eye surgery
US6629960B2 (en) 2000-05-18 2003-10-07 Integrated Implant Systems, Ll.C. Needle hub for medical instrument
WO2001089611A1 (en) * 2000-05-25 2001-11-29 Johnson Johnnie M Adapter and method of attachment for 'luer lok' receptacles
US7153316B1 (en) 2001-11-09 2006-12-26 Mcdonald Marguerite B Surgical instruments and method for corneal reformation
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DE10301884A1 (en) * 2003-01-17 2004-09-23 Aventis Behring Gmbh Sterile case for a hypodermic syringe
DE10326706A1 (en) * 2003-06-04 2005-01-05 Schott Ag Syringe, in particular for medical applications, and method for producing such
FR2858931B1 (en) * 2003-08-21 2007-04-13 Becton Dickinson France DEVICE FOR ORAL ADMINISTRATION OF A MEDICINAL PRODUCT
US20050148947A1 (en) * 2003-12-30 2005-07-07 Advanced Medical Optics, Inc. Cannula locking device
DE102004009918B4 (en) * 2004-02-20 2007-03-01 Schott Ag Arrangement for storing, transporting and applying a preferably medical liquid
JP4943690B2 (en) * 2005-10-27 2012-05-30 前田産業株式会社 Syringe holder and syringe
USD590500S1 (en) * 2006-12-15 2009-04-14 Daikyo Seiko, Ltd. Syringe plunger
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USD603043S1 (en) * 2008-01-24 2009-10-27 Karl Storz Gmbh & Co. Kg Oval cannula for use in surgery
US9089646B2 (en) * 2009-08-27 2015-07-28 Sanofi-Aventis Deutshcland GmbH Housing component for a drug delivery device
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EP2729206A1 (en) * 2011-07-04 2014-05-14 Anteis SA Accessory for a syringe
US9433725B2 (en) 2011-12-23 2016-09-06 Alcon Research, Ltd. Combined coaxial and bimanual irrigation/aspiration apparatus
BR122020004124B1 (en) * 2012-06-12 2022-04-19 Alcon Inc Portable gas injector and mixer set and method for mixing gases
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BR112015030230B1 (en) 2013-06-06 2021-05-11 Alcon Inc suction/irrigation cannula device
US20150328047A1 (en) * 2014-05-19 2015-11-19 Francis Y. Falck, Jr. Cataract Removal Tool
USD807502S1 (en) 2015-03-02 2018-01-09 Neomed, Inc. Enteral syringe
USD831204S1 (en) * 2015-03-02 2018-10-16 Neomed, Inc. Enteral syringe
USD831203S1 (en) 2015-03-02 2018-10-16 Neomed, Inc. Enteral syringe
US10624817B2 (en) 2015-03-24 2020-04-21 Neomed, Inc. Oral administration coupler for back-of-mouth delivery
AU2016294538B2 (en) 2015-07-14 2020-04-02 Neomed, Inc. Dosing control coupling for enteral fluid transfer
US10682287B2 (en) 2015-07-14 2020-06-16 Neomed, Inc. Dosing control coupling for enteral fluid transfer and enteral couplings and syringes
USD851246S1 (en) * 2018-01-19 2019-06-11 West Pharmaceutical Services, Inc. Multi-part collar
EP3777935B1 (en) 2019-08-15 2026-03-11 SCHOTT Pharma Schweiz AG Needle retention device for retaining a needle of the needle assembly when attached to a syringe
MX2022002355A (en) * 2019-09-03 2022-04-06 Amgen Inc INJECTION DEVICE FOR DRUG SUPPLY AND PACKAGING FOR THE INJECTION DEVICE.
US12233177B2 (en) 2019-09-16 2025-02-25 Amgen Inc. Method for external sterilization of drug delivery device
US20230248897A1 (en) * 2020-10-20 2023-08-10 Fresenius Kabi Usa, Llc Impact resistant and tamper evident system for prefilled syringe
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003044071A (en) * 2001-07-31 2003-02-14 Clarion Co Ltd Device and method for reading sentence
US7601140B2 (en) 2004-06-25 2009-10-13 Alcon, Inc. Syringe pressure applicator

Also Published As

Publication number Publication date
ATE226460T1 (en) 2002-11-15
CA2278348A1 (en) 1999-07-29
ES2184345T3 (en) 2003-04-01
EP0980276B1 (en) 2002-10-23
AU1623699A (en) 1999-08-09
CA2278348C (en) 2005-09-20
AU720990B2 (en) 2000-06-22
DE69808902D1 (en) 2002-11-28
EP0980276A1 (en) 2000-02-23
DE69808902T2 (en) 2003-06-12
BR9808038A (en) 2000-03-08
JP2000513641A (en) 2000-10-17
US5876379A (en) 1999-03-02

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