Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1994-04-05
1994-12-20
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604263, A61M 532
Patent
active
053742559
ABSTRACT:
The present invention is an improved needle cover assembly for a syringe. The needle cover assembly includes a first half and an opposite unequal second half with an arc shaped inner shell such that the first half encloses the arc shaped inner shell of the second half of the needle cover assembly. The arc shaped inner shell of the second half extends over the tip of the needle and the first half of the elongated cover member extends over both the arc shaped inner shell and the tip of the needle for providing double protection. The two halves of the needle cover assembly are attached to a frustum shaped base member such that a hollow hub member can be press-fitted into the frustum shaped base member. A rotatable collar surrounds the frustum shaped base member, and when the rotatable collar is rotated approximately 90.degree., the two halves of the cover member are split apart so that the two halves of the needle cover are away from each other, thereby exposing the needle so that it can be used for an injection of medicine. After the injection has been given, the two halves of the needle cover assembly can be closed by rotating the rotatable collar back to approximately 90.degree..
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Nathan Rasa N.
Thomas Paul
Chen Tony D.
Nathan Rasa N.
Rozsa Thomas I.
Yasko John D.
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