Safety winged needle structure

Details Safety winged needle structure Safety winged needle structure

2007-06-14

2009-12-01

Lucchesi, Nicholas D (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S177000

Reexamination Certificate

active

07625357

ABSTRACT:
A safety winged needle structure includes a protective casing, at least one sliding slot disposed on the protective casing, and having a first position where the needle is shielded and a second position where the needle is exposed, two wings extended from both sides of the sliding slot, and one wing has the first positioning portion; an accommodating body, having sliding member disposed at the sliding slot, a neck portion and the top of the neck portion is a pushing portion. The second positioning portion disposed on pushing portion; and a needle connected to the sliding member; so that when the sliding member is moved to the second position, both wings are lifted and folded, so the first positioning portion behind the second positioning portion at its posterior part is fixed as well as the sliding member can not be withdrawn.

REFERENCES:
patent: 4170993 (1979-10-01), Alvarez
patent: 4834708 (1989-05-01), Pillari
patent: 4941881 (1990-07-01), Masters et al.
patent: 5498241 (1996-03-01), Fabozzi
patent: 5501672 (1996-03-01), Firth et al.
patent: 6659984 (2003-12-01), Crawford et al.
patent: 6743186 (2004-06-01), Crawford et al.

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