Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-06-09
1993-05-18
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604195, A61M 500
Patent
active
052116301
ABSTRACT:
A hypodermic syringe having means for moving the needle, upon completion of usage, from a working position outside the barrel portion of the syringe to a disposal position inside the barrel portion, to prevent inadvertent contact of an operator with the used needle.
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