Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-01-31
1993-10-26
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
A61M 532
Patent
active
052561542
ABSTRACT:
Disclosed is a pre-filled plastic syringe containing a liquid product for terminal sterilization comprising: a syringe barrel equipped with a one-way valve and a slidable plunger to equalize pressure differentials; a filter engaging the one way valve to prevent backward migration of viruses and bacteria; an end cap covering the open end of the barrel to maintain sterility; and an end cap restraining device to prevent plunger blow-out.
REFERENCES:
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patent: 3705582 (1974-12-01), Stumpf et al.
patent: 3902491 (1975-09-01), Lajus
patent: 4406861 (1983-09-01), Beauvais et al.
patent: 4457327 (1984-07-01), Pepper
patent: 4718463 (1988-01-01), Jurgens et al.
patent: 5062839 (1991-11-01), Seghi
Armbruster Randy E.
Brown Neil H.
Liebert Richard T.
Pack Thomas M.
Balogh Imre (Jim)
Mendez Manuel
Rosenbaum C. Fred
Rosenstein Arthur
Sterling Winthrop Inc.
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