Injection device and method of assembly and activation

Details Injection device and method of assembly and activation Injection device and method of assembly and activation

2007-11-06

2009-08-04

Sirmons, Kevin C (Department: 3767)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

Reexamination Certificate

active

07569036

ABSTRACT:
An injector device for a pharmaceutical cartridge. The injector device includes a body defining a space for receiving a pharmaceutical cartridge. One or more retention members are disposed on the outer surface of the body. The injector device further includes a plunger rod having a connection member constructed for connection to a piston associated with a cartridge. The plunger rod has one or more receiving members. constructed to cooperatively retain the plunger rod on the body in a first position, and to release the plunger rod from the body when the plunger rod is moved to a second position. The plunger rod further includes a surface for engaging a pharmaceutical cartridge positioned within the body of said injector and for moving a pharmaceutical cartridge distally as the plunger rod is moved from its first position to its second position. A tamper evident band is secured to plunger rod and injector body.

REFERENCES:
patent: 4581023 (1986-04-01), Kuntz
patent: 5451214 (1995-09-01), Hajishoreh
patent: 5700246 (1997-12-01), Stiehl et al.
patent: 2004/0249351 (2004-12-01), Hongo et al.

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