Title:
INJECTION DEVICE
Document Type and Number:
Japanese Patent JP3168179
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an injection device in which fluid can be automatically injected to a man.
SOLUTION: An injection device 10 comprises a drive assembly, and a throw- away assembly 20 including an injector assembly to be installed on the drive assembly. The drive assembly comprises a drive rod 46, and a spring 56 to press the drive rod to the injector. The spring 56 presses the drive rod 46 along an axial line of the device 10 to let a needle 38 of the injector assembly penetrate skin. The spring 56 continues to press the drive rod till the drive rod is engaged with a piston 32 in the injector assembly, so substance in the injector is discharged. A cap 16 detachably installed on the throw-away assebly, and a lock member provided on the throw-away assembly 20 prohibit removal of the cap 16 till the throw-away assembly is rotated to move to an actuation position. A lock release assembly releases engagement of the lock member when the throw-away assembly is rotated to the drive assembly.
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Inventors:
Eric Olive
Bernard Sams
Bernard Sams
Application Number:
JP22853397A
Publication Date:
May 21, 2001
Filing Date:
August 25, 1997
Export Citation:
Assignee:
Becton Dickinson, France, Society, Anonymous
International Classes:
A61M5/20; A61M5/32; (IPC1-7): A61M5/20
Domestic Patent References:
| JP7222799A |
Other References:
【文献】国際公開95/32749(WO,A1)
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)