Syringe

Details Syringe Syringe

1993-07-27

1995-01-10

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604197, A61M 532

Patent

active

053802977

ABSTRACT:
A syringe comprises a barrel with a reciprocable piston having a liquid passage between the piston ends. The outer piston end is connectable to a needle, and an open ended tubular sheath having a needle and a handle end, and being slidable over the barrel, and attachable to the piston, to extend around the barrel when the piston is toward the handle end of the barrel. The piston is selectively detachable from the sheath, and is movable, after such detachment and with retraction of the barrel from the sheath, to selectively draw a needle means attached to the piston into the sheath.

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