Safety needle assembly

Details Safety needle assembly Safety needle assembly

2005-02-15

2005-02-15

Casler, Brian L. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S198000, C604S263000

Reexamination Certificate

active

06855129

ABSTRACT:
The invention relates to a safety needle assembly for injecting a fluid into a human body comprising a cylindrical housing with a bottom surface supporting a needle cannula and a shield telescopically movable relative to the housing. A spring located within the housing urges the shield in a distal needle covering direction and a locking member also provided inside the housing moves simultaneously with the shield during injection and automatically locks the shield in a position where the sharp end of the needle cannula is concealed thereby irreversible immobilizing the safety needle assembly.

REFERENCES:
patent: 4894055 (1990-01-01), Sudnak
patent: 5346480 (1994-09-01), Hess et al.
patent: 5433712 (1995-07-01), Stiles et al.
patent: 5688241 (1997-11-01), Asbaghi
patent: 9529721 (1995-11-01), None
patent: 9932177 (1999-07-01), None
patent: 0176665 (2001-10-01), None

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