Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1993-05-18
1994-03-01
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604263, A61M 500
Patent
active
052902560
ABSTRACT:
A shielded syringe includes a cylindrical syringe barrel having an interior chamber, a needle secured at one end of said barrel, and a plunger slidably received within the interior chamber. A sheath for preventing contact with said needle is provided with the sheath being slidably disposed on said cylindrical syringe barrel and movable therealong from a closed position surrounding said needle to an open position exposing said needle. A locking system for releasably locking the sheath in both the open and closed positions, includes a tab disposed on an inside surface of said sheath, an elongate strip member having one end thereof secured to said cylindrical syringe barrel, and a pair of berms thereon for engaging said tab. A spring is provided for urging said tab against one of said pair of berms when the sheath is in the open position and in the closed position.
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Weatherford Cheryl A.
Wilhelm E. Craig
Hackler Walter A.
Safety lst
Yasko John D.
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