DE3865006A1 - Injection syringe - Google Patents

Injection syringe

Info

Publication number
DE3865006A1
DE3865006A1 DE19883865006 DE3865006A DE3865006A1 DE 3865006 A1 DE3865006 A1 DE 3865006A1 DE 19883865006 DE19883865006 DE 19883865006 DE 3865006 A DE3865006 A DE 3865006A DE 3865006 A1 DE3865006 A1 DE 3865006A1
Authority
DE
Germany
Prior art keywords
injection syringe
piston
bypass
female thread
thread
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.)
Granted
Application number
DE19883865006
Other languages
German (de)
Other versions
DE3865006D1 (en
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.)
Pfizer Health AB
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 filed Critical
Priority to DE8888102236A priority Critical patent/DE3865006D1/en
Application granted granted Critical
Publication of DE3865006D1 publication Critical patent/DE3865006D1/en
Publication of DE3865006A1 publication Critical patent/DE3865006A1/en
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
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • 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
    • A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
    • 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

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)

Abstract

An injection syringe for medicinal purposes has two chambers, in the cylinder, one for dry and the other for a fluid substance. They are joined when the free piston is pushed into the bypass zone. The rear plate has a female thread and the piston rod has over a distance a male thread. The length of the latter is designed to be clear of the female thread when the piston has reached the bypass.
DE8888102236A 1988-02-16 1988-02-16 SYRINGE FOR MEDICAL PURPOSES. Expired - Lifetime DE3865006D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888102236A DE3865006D1 (en) 1988-02-16 1988-02-16 SYRINGE FOR MEDICAL PURPOSES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8888102236A DE3865006D1 (en) 1988-02-16 1988-02-16 SYRINGE FOR MEDICAL PURPOSES.

Publications (2)

Publication Number Publication Date
DE3865006D1 DE3865006D1 (en) 1991-10-24
DE3865006A1 true DE3865006A1 (en) 1991-10-24

Family

ID=6370978

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888102236A Expired - Lifetime DE3865006D1 (en) 1988-02-16 1988-02-16 SYRINGE FOR MEDICAL PURPOSES.

Country Status (1)

Country Link
DE (1) DE3865006D1 (en)

Also Published As

Publication number Publication date
DE3865006D1 (en) 1991-10-24

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHARMACIA AB, STOCKHOLM, SE

8328 Change in the person/name/address of the agent

Free format text: PATENT- UND RECHTSANWAELTE WUESTHOFF & WUESTHOFF, 81541 MUENCHEN