DE69409342D1 - Vereinfachte Sicherheitsspritze mit zurückziehbarer selbsttätig vorgespannter Nadel für intravenöse Injektion - Google Patents

Vereinfachte Sicherheitsspritze mit zurückziehbarer selbsttätig vorgespannter Nadel für intravenöse Injektion

Info

Publication number
DE69409342D1
DE69409342D1 DE69409342T DE69409342T DE69409342D1 DE 69409342 D1 DE69409342 D1 DE 69409342D1 DE 69409342 T DE69409342 T DE 69409342T DE 69409342 T DE69409342 T DE 69409342T DE 69409342 D1 DE69409342 D1 DE 69409342D1
Authority
DE
Germany
Prior art keywords
retractable
self
intravenous injection
safety syringe
biased needle
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.)
Expired - Fee Related
Application number
DE69409342T
Other languages
English (en)
Other versions
DE69409342T2 (de
Inventor
Long-Hsiung Chen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69409342D1 publication Critical patent/DE69409342D1/de
Application granted granted Critical
Publication of DE69409342T2 publication Critical patent/DE69409342T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61M5/32—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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3223—Means impeding or disabling repositioning of used needles at the syringe nozzle
    • A61M2005/3224—Means to disalign the needle tip and syringe nozzle
    • 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
    • A61M2005/342—Off-center needles, i.e. needle connections not being coaxial with the longitudinal symmetry axis of syringe barrel
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/3278—Apparatus for destroying used needles or syringes
DE1994609342 1993-12-20 1994-12-16 Vereinfachte Sicherheitsspritze mit zurückziehbarer selbsttätig vorgespannter Nadel für intravenöse Injektion Expired - Fee Related DE69409342T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16906293A 1993-12-20 1993-12-20

Publications (2)

Publication Number Publication Date
DE69409342D1 true DE69409342D1 (de) 1998-05-07
DE69409342T2 DE69409342T2 (de) 1998-12-10

Family

ID=22614125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994609342 Expired - Fee Related DE69409342T2 (de) 1993-12-20 1994-12-16 Vereinfachte Sicherheitsspritze mit zurückziehbarer selbsttätig vorgespannter Nadel für intravenöse Injektion

Country Status (6)

Country Link
EP (1) EP0661068B1 (de)
AU (1) AU678637B2 (de)
CA (1) CA2137875A1 (de)
DE (1) DE69409342T2 (de)
DK (1) DK0661068T3 (de)
ES (1) ES2117219T3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818210A1 (de) * 1996-07-10 1998-01-14 Long-Hsiung Chen Sicherheitsspritze mit einziehbarer selbstvorgespannter Nadel für intravenöse Injektionen ohne Klemmring
DE19705892C1 (de) * 1997-02-15 1998-11-12 Siekmann Gmbh Universalsicherheitsspritze
TW357614U (en) * 1998-03-12 1999-05-01 Wen-Neng Liu Retractable safety syringe needle for hypodermic injection
CA2278390C (en) * 1999-07-19 2003-10-07 Yu-Hau Chang-Lai Safety syringe
CN106994199A (zh) * 2017-05-16 2017-08-01 上海博洽医疗器械有限公司 便于单手操作的医用注射器
CN109908433B (zh) * 2018-12-05 2022-02-08 王琳 一次性微量高精度安全注射器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201611A1 (de) * 1985-05-10 1986-11-20 B. Braun-SSC AG Zwei-Kanülen-Spritze
AU616711B2 (en) * 1987-12-21 1991-11-07 Stuart M. Dolgin Fluid passing apparatus with means for covering the same
US5152750A (en) * 1991-05-20 1992-10-06 Haining Michael L Retractable needle syringe
US5242402A (en) * 1992-09-28 1993-09-07 Chen Long Hsiung Safety syringe with retractible self-biased needle adapted for intravenous injection

Also Published As

Publication number Publication date
AU678637B2 (en) 1997-06-05
CA2137875A1 (en) 1995-06-21
EP0661068A1 (de) 1995-07-05
DK0661068T3 (da) 1999-03-08
DE69409342T2 (de) 1998-12-10
AU8049694A (en) 1995-06-29
ES2117219T3 (es) 1998-08-01
EP0661068B1 (de) 1998-04-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee