Needle assembly

Details Needle assembly Needle assembly

1988-10-20

1990-10-30

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604263, 206365, A61M 532

Patent

active

049665910

ABSTRACT:
A needle assembly for use in withdrawing bodily fluids has a body and a hollow needle extending through the body along a centrally located axis therethrough. The needle has a first end extending outwardly along the axis from a first side of the body and a second end extending from a second side of the body opposite the first side. The two cover elements are pivotally connected to the body for rotation toward and away each other in a plane containing the needle about two pivot points thereon. The cover elements have free ends extending outwardly from the body. Each cover element has a longitudinal extending interior cavity with an open side. This cavity extends beyond the tip of the first end of the needle so that when the two cover elements are rotated towards one another into a closed position, the needle is entirely surrounded by an enlarged cavity. When the needle is to be exposed, the cover elements are rotated away from one another into an open position exposing the tip of the needle. A latch element is provided to lock the cover elements in the closed position to prevent the accidental movement of the cover assemblies to the open position.

REFERENCES:
patent: 1779451 (1930-10-01), Sponsel
patent: 3884230 (1975-05-01), Wulft
patent: 4664259 (1987-05-01), Landis
patent: 4731059 (1988-03-01), Wanderer et al.
patent: 4747836 (1988-05-01), Luther
patent: 4820277 (1989-04-01), Norelli
patent: 4850977 (1989-07-01), Bayless

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