MY147055A - Retractable syringe with plunger disabling system - Google Patents

Retractable syringe with plunger disabling system

Info

Publication number
MY147055A
MY147055A MYPI20050357A MYPI20050357A MY147055A MY 147055 A MY147055 A MY 147055A MY PI20050357 A MYPI20050357 A MY PI20050357A MY PI20050357 A MYPI20050357 A MY PI20050357A MY 147055 A MY147055 A MY 147055A
Authority
MY
Malaysia
Prior art keywords
plunger
plunger member
needle
barrel
syringe
Prior art date
Application number
MYPI20050357A
Inventor
Joseph Hermes Kaal
Craig Stephen Thorley
Damien Judd
Original Assignee
Unitract Syringe Pty Ltd
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
Priority claimed from AU2004900362A external-priority patent/AU2004900362A0/en
Application filed by Unitract Syringe Pty Ltd filed Critical Unitract Syringe Pty Ltd
Publication of MY147055A publication Critical patent/MY147055A/en

Links

Abstract

A RETRACTABLE, SINGLE USE SYRINGE (10) COMPRISES A BARREL (20), A COLLAR (60) MOUNTED TO THE BARREL (20), A RETRACTION SPRING (70), A NEEDLE MOUNT (40) LOCATED AT A NEEDLE END (23) OF THE BARREL (20) AND A PLUNGER (30). THE PLUNGER (30) COMPRISES A FIRST PLUNGER MEMBER (31) AND A SECOND PLUNGER MEMBER (33) THAT ARE RELEASABLY COUPLED TO CO-OPERATIVELY MAINTAIN THE RETRACTION SPRING (70) IN AN INITIAL COMPRESSED STATE. THE SECOND PLUNGER MEMBER (33) FURTHER COMPRISES A SEAL (34) TO PREVENT FLUID LEAKAGE BETWEEN PLUNGER (30) AND BARREL (20). AFTER DEPRESSION OF THE PLUNGER (30) TO DELIVER THE FLUID CONTENTS OF THE SYRINGE (10), THE FIRST PLUNGER MEMBER (31) ENGAGES THE NEEDLE MOUNT (40) WITH NEEDLE (12) ATTACHED THERETO AND IS ROTATABLY UNCOUPLED FROM THE SECOND PLUNGER MEMBER (33) TO ALLOW DECOMPRESSION OF THE RETRACTION SPRING (70), WHICH FORCES RETRACTION OF THE FIRST PLUNGER MEMBER (31), NEEDLE MOUNT (40) AND NEEDLE (12) ENGAGED THEREWITH. THE FIRST PLUNGER MEMBER (31) AND THE COLLAR (60) COMPRISE ELEMENTS THAT CO-OPERATIVELY FORM A DISABLING MEANS THAT PREVENTS OR AT LEAST MINIMIZES THE LIKELIHOOD OF SUBSEQUENT DEPRESSION OR WITHDRAWAL OF THE PLUNGER (30). ALSO FOLLOWING RETRACTION OF THE FIRST PLUNGER MEMBER (31), THE SECOND PLUNGER MEMBER (33) AND SEAL (34) REMAINS AT THE NEEDLE END (23) OF THE BARREL (20) THEREBY PREVENTING REFILLING AND RE-USE OF THE SYRINGE (10).
MYPI20050357A 2004-01-28 2005-01-28 Retractable syringe with plunger disabling system MY147055A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2004900362A AU2004900362A0 (en) 2004-01-28 Retractable syringe and plunger therefor
AU2004906116A AU2004906116A0 (en) 2004-10-22 Retractable syringe with plunger disabling system
US63862304P 2004-12-22 2004-12-22

Publications (1)

Publication Number Publication Date
MY147055A true MY147055A (en) 2012-10-15

Family

ID=37859477

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20050357A MY147055A (en) 2004-01-28 2005-01-28 Retractable syringe with plunger disabling system

Country Status (5)

Country Link
CN (1) CN1929887B (en)
DK (1) DK1708772T3 (en)
ES (1) ES2389657T3 (en)
MY (1) MY147055A (en)
PT (1) PT1708772E (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2529621B (en) * 2014-08-21 2016-12-07 Owen Mumford Ltd Safety syringe
FR3038518A1 (en) * 2015-07-08 2017-01-13 Guerbet Sa SYRINGE AND METHOD OF ASSEMBLING
CN105031772B (en) * 2015-08-19 2018-11-27 江西丰临医疗科技股份有限公司 Single-use auto-disable syringe
WO2018102910A1 (en) * 2016-12-06 2018-06-14 Reisenburg Molson Catherine Method and apparatus for filling syringes with retractable needle
US10881809B2 (en) * 2017-08-22 2021-01-05 KB Medical, LLC Exostructure to assist in accurate syringe injection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211628A (en) * 1991-09-30 1993-05-18 Marshall John M Syringe with automatic retracting needle
US5328476A (en) * 1993-08-23 1994-07-12 Bidwell James K One-time use hypodermic syringe apparatus and operation thereof
FR2799376B1 (en) * 1999-10-07 2002-01-18 Marc Brunel SINGLE USE INJECTION DEVICE
CN2499049Y (en) * 2001-07-11 2002-07-10 祁淼 Disposable syringe

Also Published As

Publication number Publication date
ES2389657T3 (en) 2012-10-30
DK1708772T3 (en) 2012-09-10
CN1929887A (en) 2007-03-14
PT1708772E (en) 2012-08-08
CN1929887B (en) 2011-01-26

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