Title:
SYRINGE PLUNGER HAVING INTERMEDIATE PUSHING SURFACE
Document Type and Number:
Japanese Patent JP3745797
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a plunger for syringes which is convenient for users whose hands are relatively small.
SOLUTION: A plunger 12 has a rigid guide bar that extends axially from end to end. To detachably mount on a slidable piston 26, the plunger also has a threaded portion or mounting means at the proximal end of the guide bar. The guide bar member has a surface 46 at the distal end to apply a force in the axial direction to the guide bar and move the slidable piston within the tube. A surface 48 is also provided in the middle of the guide bar in the axial direction.
Inventors:
Mark S. Minx
Jiyoung S. Twigler
Jiyoung S. Twigler
Application Number:
JP19318795A
Publication Date:
February 15, 2006
Filing Date:
July 28, 1995
Export Citation:
Assignee:
Hospira Incorporated
International Classes:
A61M5/315; (IPC1-7): A61M5/315
Domestic Patent References:
| JP5237195A | ||||
| JP4088951U | ||||
| JP61137566A | ||||
| JP57154450U | ||||
| JP6017746U | ||||
| JP4099945U |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Katsuma Osaki
Mitsuaki Tsubokura
Makoto Ono
Katsuma Osaki
Mitsuaki Tsubokura