Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1989-09-05
1991-03-26
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604192, 604198, 604263, A61M 500
Patent
active
050025333
ABSTRACT:
A needle guard for use with a syringe barrel including a mechanism for selectively enabling and not enabling passage of a needle through the end of the guard. Further, the guard includes an end closure for permanently closing a needle aperture therein and positively destroying the needle upon telescopically moving the guard and syringe barrel to a respectively retracted position.
REFERENCES:
patent: 4425120 (1984-01-01), Sampson et al.
patent: 4795432 (1989-01-01), Karczmer
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