Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1996-02-27
1997-04-15
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604208, 141 27, A61M 500
Patent
active
056204221
ABSTRACT:
A hypodermic syringe filling apparatus enabling filling of a hypodermic syringe with a prescribed quantity of fluid includes, a) a longitudinally elongated body having opposing longitudinal ends; b) a syringe supporting framework provided relative to the body adjacent one to the longitudinal ends, the supporting framework being sized to externally engage and retain a hypodermic syringe, the supporting framework comprising at least two upwardly open cradles, one of the cradles being sized and shaped to externally engage a cylindrical barrel portion of a hypodermic syringe received by the supporting framework, another of the cradles being sized and shaped to externally engage a syringe barrel flange of the hypodermic syringe received by the supporting framework; c) a plunger stop associated with the body and positioned to engage and stop extension of a plunger of a hypodermic syringe received by the supporting framework, the plunger stop being mounted for movement relative to the supporting framework and the body to a plurality of fixed locations to enable degree of extension of a plunger of a hypodermic syringe received by the supporting framework to be selectively varied; and d) a screw mounted for selective rotation relative to the body, the plunger stop comprising a nut, the nut threadedly engaging the screw, the nut comprising a lateral projection sized and positioned to engage an outermost head end of a plunger of a hypodermic syringe received by the supporting framework.
REFERENCES:
patent: 3833030 (1974-09-01), Waldbauer, Jr. et al.
patent: 3965945 (1976-06-01), Ross
patent: 4022207 (1977-05-01), Citrin
patent: 4518387 (1985-05-01), Murphy et al.
patent: 5468233 (1995-11-01), Schraga
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