Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1988-07-18
1991-06-25
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604218, 604236, A61M 500
Patent
active
050263463
ABSTRACT:
A syringe comprising a barrel with means for positioning a needle at a forward end thereof, a plunger displaceable within the barrel, sealing means to maintain the integrity of a dispensing chamber forwardly of the barrel, wherein the plunger has associated disabling means to render the sealing means ineffective after a first use of the syringe.
REFERENCES:
patent: 3986645 (1976-10-01), Baldwin et al.
patent: 3998224 (1976-12-01), Chiquiar-Arias
patent: 4391273 (1983-07-01), Chiquiar-Arias
patent: 4687467 (1987-08-01), Cygielski
patent: 4863427 (1989-09-01), Cocchi
Hill-Male Nonton
Soomal Harinder S.
Spanner John R.
Dowty Seals Limited
Yasko John D.
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