Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1991-02-27
1992-01-14
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
206365, A61M 500
Patent
active
050806513
ABSTRACT:
The invention provides, in combination, a guard tube for surrounding and protecting a needle of a syringe, the barrel of the syringe being slidable within the guard between an extended position in which the needle is enclosed by and sealed within the guard and a retracted position in which the needle either protrudes from the guard through an aperture in an end-piece or is destructively crushed against the blocked off end-piece as the syringe barrel is forcibly slid into that retracted position, and a crush tube in the form of a tubular receptacle closed at one end in which the forward end of the syringe-guard assembly is placed prior to the destruction step. The crush tube may include a disposable liner, in order to completely isolate the assembly during the crushing of the needle and to enable the assembly to be easily and safely disposed of, without risk of leakage of contaminants.
REFERENCES:
patent: 4266544 (1981-05-01), Wardlaw
patent: 4332323 (1982-06-01), Reenstierna
patent: 4634428 (1987-01-01), Cuu
patent: 4802579 (1989-02-01), Hall et al.
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