Retaining needle with wing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 13, 2005
Grant Date -
Mar 4, 2004
app pub date -
Jul 26, 2002
filing date -
Sep 20, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is here provided an easily operable winged indwelling needle capable of surely preventing accidental sticking. A winged indwelling needle 1 comprises a hollow needle 2 having a knife point at its tip, a hub 3 provided at a rear end of the hollow needle 2, a tub-shaped member 6 for housing the hollow needle 2 and the hub 3, a pair of wing-shaped members 7 provided on an outer surface side of a side wall of the tub-shaped member 6, protrusion maintaining means for releasably maintaining a state in which the hollow needle 2 is protruded as much as a predetermined length from a tip of the tub-shaped member 6, and housing maintaining means for maintaining a state in which the hollow needle 2 is housed in the tub-shaped member 6. The above winged indwelling needle further comprises a rack 4 provided in junction with the rear end of the hub 3, and a gear 8 engaged with the rack and supported on an inner surface side of the side wall of the tub-shaped member 6. The hollow needle 2 is driven through the rack 4 by rotating the gear 8 to be housed in the tub-shaped member 6.
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Cited Art Landscape
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