Title:
【発明の名称】使い捨て皮下注射器
Document Type and Number:
Japanese Patent JP2644568
Kind Code:
B2
Abstract:
PCT No. PCT/DK88/00116 Sec. 371 Date Jan. 11, 1990 Sec. 102(e) Date Jan. 11, 1990 PCT Filed Jul. 8, 1988 PCT Pub. No. WO89/00435 PCT Pub. Date Jan. 26, 1989.Disposable hypodermic syringe comprising a needle (1) which can be retracted and held inside the syringe which moreover comprises a syringe barrel (4, 5) with liquid chamber designed with a piston (14) with a piston rod (7). Opposite the piston (14) the liquid chamber has an entirely or partially yielding end wall (6) with an opening, and the needle (1) is in its end area opposite its point provided with a head (3) which is subjected to the pressure of a spring in the direction toward the yielding wall (6). The piston (14) has a projection with locking means (10) designed to interlock with the opening in the yielding wall (6) when the piston bottoms in that the needle simultaneously snaps into a cavity (9) in the piston through the opening in the yielding wall (6); further usage of the syringe is hereby prevented.
Inventors:
GAARUDE KUNUUTO BERUNAA
Application Number:
JP50606888A
Publication Date:
August 25, 1997
Filing Date:
July 08, 1988
Export Citation:
Assignee:
GAARUDE KUNUUTO BERUNAA
GAARUDE GERUDA INGURITSUTO MARIA
GAARUDE GERUDA INGURITSUTO MARIA
International Classes:
A61M5/28; A61M5/31; A61M5/178; A61M5/32; A61M5/50; (IPC1-7): A61M5/31; A61M5/28
Attorney, Agent or Firm:
Aoki Akira (4 outside)