Indwelling needle with wings

Details Indwelling needle with wings Indwelling needle with wings

2007-06-07

2011-11-08

Desanto, Matthew F (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S263000

Reexamination Certificate

active

08052641

ABSTRACT:
There is provided a winged indwelling needle for reducing the possibility of damaging a blood vessel or the like by a cannula, including a movable unit1having the cannula and a hub, a tube2connected to the rear portion of the hub, a holder3, and a fixing wing4, in which the movable unit1is provided on the holder3so as to be capable of sliding in the axial direction, is capable of changing in position between a position in use and a stored position which is behind the position in use, and the movable unit1is fixed to the position in use so as to be releasable. The holder3includes a protecting cylinder26which stores only the front portion including a blade point6A of the cannula6in the interior thereof when the movable unit is positioned at the stored position and is provided with the fixing wing4, and a guide member27exposed upward for guiding the sliding movement of the movable unit1.

REFERENCES:
patent: 4935012 (1990-06-01), Magre et al.
patent: 7010344 (2006-03-01), Burnes et al.
patent: 7018344 (2006-03-01), Bressler et al.
patent: 7294118 (2007-11-01), Saulenas et al.
patent: 2004/0181173 (2004-09-01), Wilkinson
patent: 0 566 769 (1993-10-01), None
patent: 10-085333 (1998-04-01), None
patent: 2002-345955 (2002-12-01), None
patent: 2003-116996 (2003-04-01), None
patent: 2004-275741 (2004-10-01), None

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