DE69110050D1 - Sicherheitsspritze mit zurückziehbarer hohlnadel. - Google Patents

Sicherheitsspritze mit zurückziehbarer hohlnadel.

Info

Publication number
DE69110050D1
DE69110050D1 DE69110050T DE69110050T DE69110050D1 DE 69110050 D1 DE69110050 D1 DE 69110050D1 DE 69110050 T DE69110050 T DE 69110050T DE 69110050 T DE69110050 T DE 69110050T DE 69110050 D1 DE69110050 D1 DE 69110050D1
Authority
DE
Germany
Prior art keywords
needle
syringe
plunger
barrel
hollow
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 - Lifetime
Application number
DE69110050T
Other languages
English (en)
Other versions
DE69110050T2 (de
Inventor
R Mcgary
S Jentzen
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.)
Triad Technology
Original Assignee
Triad Technology
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 Triad Technology filed Critical Triad Technology
Application granted granted Critical
Publication of DE69110050D1 publication Critical patent/DE69110050D1/de
Publication of DE69110050T2 publication Critical patent/DE69110050T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
    • 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
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding
    • 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
    • A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
    • 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/508—Means for preventing re-use by disrupting the piston seal, e.g. by puncturing

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (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)
DE69110050T 1990-10-03 1991-09-27 Sicherheitsspritze mit zurückziehbarer hohlnadel. Expired - Lifetime DE69110050T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/592,504 US5053010A (en) 1990-10-03 1990-10-03 Safety syringe with retractable needle
PCT/US1991/007199 WO1992005818A1 (en) 1990-10-03 1991-09-27 Safety syringe with retractable needle

Publications (2)

Publication Number Publication Date
DE69110050D1 true DE69110050D1 (de) 1995-06-29
DE69110050T2 DE69110050T2 (de) 1995-10-19

Family

ID=24370940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69110050T Expired - Lifetime DE69110050T2 (de) 1990-10-03 1991-09-27 Sicherheitsspritze mit zurückziehbarer hohlnadel.

Country Status (11)

Country Link
US (1) US5053010A (de)
EP (1) EP0551421B1 (de)
JP (1) JP3217780B2 (de)
AT (1) ATE122904T1 (de)
AU (1) AU8662491A (de)
CA (1) CA2093227C (de)
DE (1) DE69110050T2 (de)
DK (1) DK0551421T3 (de)
ES (1) ES2074286T3 (de)
GR (1) GR3017071T3 (de)
WO (1) WO1992005818A1 (de)

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ATE93150T1 (de) * 1988-10-13 1993-09-15 Ewald Pickhard Injektionsvorrichtung mit originalitaetssicherungsvorrichtung.
US4894055A (en) * 1988-12-28 1990-01-16 Sudnak Paul J Needle guard assembly for use with hypodermic syringes and the like
US4946446A (en) * 1989-06-14 1990-08-07 Vadher Dinesh L Retractable needle
US4921486A (en) * 1989-06-23 1990-05-01 Dechellis Francis M Disposable syringe with retracting needle
US4994034A (en) * 1989-07-11 1991-02-19 Botich Michael J Retractable needle hypodermic syringe system

Also Published As

Publication number Publication date
ATE122904T1 (de) 1995-06-15
EP0551421A1 (de) 1993-07-21
EP0551421B1 (de) 1995-05-24
JPH06503236A (ja) 1994-04-14
GR3017071T3 (en) 1995-11-30
ES2074286T3 (es) 1995-09-01
CA2093227C (en) 2002-01-01
WO1992005818A1 (en) 1992-04-16
DK0551421T3 (da) 1995-10-09
DE69110050T2 (de) 1995-10-19
US5053010A (en) 1991-10-01
AU8662491A (en) 1992-04-28
JP3217780B2 (ja) 2001-10-15
CA2093227A1 (en) 1992-04-04

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