Title:
自動注射装置に関する改良
Document Type and Number:
Japanese Patent JP2008503296
Kind Code:
A
Abstract:
An injection device comprises a syringe (1) extendible against a spring bias (9) from a retracted position in a housing (2) to a projecting injecting position. A spring biased plunger has collapsible elbows (10) which, when the plunger is released, initially engage the end of the syringe to drive it to the projecting position, whereupon arresting of the syringe movement causes the elbows to collapse inside the syringe to allow the plunger to engage and drive the bung (3).
Inventors:
Bicknell, Stephen
Julian, Joseph F.
Rudzena, William Elle.
Julian, Joseph F.
Rudzena, William Elle.
Application Number:
JP2007517459A
Publication Date:
February 07, 2008
Filing Date:
June 23, 2005
Export Citation:
Assignee:
Owen Manford Limited
International Classes:
A61M5/20; A61M5/315; A61M5/32
Domestic Patent References:
| JPS4891885A | 1973-11-29 | |||
| JPH05161712A | 1993-06-29 |
Foreign References:
| WO2004000397A1 | 2003-12-31 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Kumi Imaeda
Jun Tsuruta
Tetsuro Shimada
Kumi Imaeda