Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1996-10-18
1998-05-26
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604171, 604187, A61M 500
Patent
active
057556946
ABSTRACT:
The invention relates to a device for protecting a hypodermic needle comprising: a needle base disposed over a segment of the needle at the proximal end thereof, a needle portion shield comprising at least two generally flat wings having proximal and distal ends and being made of a flexible material, at least two hinges, with one said hinge connecting the proximal end of each said wing to said needle base, and a movable member having an axial opening therethrough at least partially delimited by generally flat surfaces, so as to be disposed over the wings along the axis of said needle portion, between upper and lower positions, wherein in the upper position, the movable member is above the hinges and in the lower position, the movable member is substantially at the distal end of the wings and its flat surfaces coact with an exterior surface of the wings to cause pivotally downward movement of the wings to draw them up to the needle portion along its axis when the movable member is moved from its upper to its lower position.
REFERENCES:
patent: 4888001 (1989-12-01), Schoenberg
patent: 4998922 (1991-03-01), Kuracina et al.
patent: 5304151 (1994-04-01), Kuracina
Celsa B. Braun
Yasko John D.
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