Safety arteriovenous fistula needle

Details Safety arteriovenous fistula needle Safety arteriovenous fistula needle

2004-04-15

2008-08-19

Srmons, Kevin C. (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S171000, C604S177000, C604S198000, C604S158000, C604S164030

Reexamination Certificate

active

07413560

ABSTRACT:
A Safety Arteriovenous Fistula (AVF) winged safety needle device provides a safety feature including a protective shield with handling wings, which when placed in cooperating relationship, allows accommodation of a blood collection needle and a hub. The Safety AVF provides a reliable and user friendly first releasable locking mechanism in an insertion position and a second unreleaseable locking mechanism in a protected position. The Safety AVF also allows for rotation of the needle after cannulation in order to maximize blood or fluid flow to or from a vessel.

REFERENCES:
patent: 5779679 (1998-07-01), Shaw
patent: 5931815 (1999-08-01), Liu

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