Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1988-02-16
1989-04-11
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
048202770
ABSTRACT:
A syringe needle safety cover includes a pair of jaw members pivotally mounted in diametric sides of a syringe barrel to move between a closed position, wherein the jaws are longitudinally abutting, and an open position. A groove in each jaw cooperates to form a tubular aperture between the jaws into which the needle is encased. In one embodiment, the jaws are attached to a barrel of a syringe. In a second embodiment, the jaws are attached to an adapter which fits between a conventional syringe and a conventional needle. In a third embodiment, the jaws are attached to the base of a needle, and may be connected to any conventional syringe. The jaws are provided with locking clips which lock the jaws together around the needle. Another embodiment of the invention provides a fluid-tight safety cover by the insertion of a split gasket-type seal, one portion of the gasket being attached to each jaw. The gasket material is compressible, such that it will surround a portion of the needle and seal fluids into the tubular aperture. A mechanical actuator may be provided for any one of the embodiments of the invention, and includes a pair of lever arms which are connected at one end to each jaw and at the other end to an actuator bar. The actuator bar is thumb-actuated, and moves along the syringe barrel, causing the jaws to open, or close, depending upon the direction of movement of the actuator bar.
REFERENCES:
patent: 4664259 (1987-05-01), Landis
patent: 4747836 (1988-05-01), Luther
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