Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-07-07
1993-09-28
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604197, 604204, 604212, 128919, A61M 500
Patent
active
052483037
ABSTRACT:
A unit dose syringe comprises a fluid-containing plastic bag with an attached needle and a dimensionally-stable shell like a woman's compact. The shell contains a thumb-operated slider assembly for advancing the needle to an exposed position for fluid delivery. The syringe also includes a spring-biasing arrangement to return the needle, automatically, to the protected position, after use, and a means for rupturing the bag and retaining the needle in the protected position.
REFERENCES:
patent: 3276632 (1966-10-01), Stanzel
patent: 3736933 (1973-06-01), Szabo
patent: 4573977 (1986-03-01), Crawford
patent: 5007903 (1991-04-01), Ellard
patent: 5019048 (1991-05-01), Margolin
Polutta Mark O.
Rosenbaum C. Fred
Shapiro Herbert M.
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