Needle protecting device comprising a lock

Details Needle protecting device comprising a lock Needle protecting device comprising a lock

2007-09-05

2010-12-14

Sirmons, Kevin C (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S164080, C604S192000, C604S197000, C604S198000

Reexamination Certificate

active

07850648

ABSTRACT:
A needle unit for an injection device comprising an injection needle and a needle holder, the needle unit coupled to the injection device and comprising: a needle protector comprising a guide which guides the needle protector such that it can move axially, at least one spring element applying a spring force to the needle protector thus holding the protector in a first position, and a lock which, after an injection, locks the needle protector in the first position against moving further axially, wherein the lock is deformable by force and assumes its original shape after said force is removed, and wherein the needle protector affects the lock transversely with respect to the axial movement direction during an axial movement of the protector which accompanies an injection and deflects the lock into a locking position when the needle protector is moved to the first position.

REFERENCES:
patent: 4929241 (1990-05-01), Kulli
patent: 5088988 (1992-02-01), Talonn et al.
patent: 6773415 (2004-08-01), Heiniger
patent: 10203597 (2003-08-01), None
patent: 202004016791 (2005-12-01), None
patent: 1267966 (2003-01-01), None

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