Preselected multiple dosage syringe

Details Preselected multiple dosage syringe Preselected multiple dosage syringe

1985-10-02

1986-09-09

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

A61M 500

Patent

active

046106685

ABSTRACT:
A hypodermic syringe capable of extracting, retaining, and dispensing preselected dosages of fluid medication without dependency on eyesight. The hypodermic syringe has coacting stop means between the barrel and the plunger which may be biased in one direction to positively extract certain quantities and biased in an opposite direction to extract different quantities of fluids.

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