Safety syringe needle device with interchangeable and retractabl

Details Safety syringe needle device with interchangeable and retractabl Safety syringe needle device with interchangeable and retractabl

1999-12-14

2000-09-12

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604110, A61M 500

Patent

active

061171131

ABSTRACT:
A syringe has a barrel, a plunger and an adapter for threaded engagement with the distal end of the barrel. The adapter has a central axial passageway for passing fluid between proximal and distal ends. The plunger and adapter have cooperating engagement structure including connective and drive surfaces for connecting the plunger to the adapter and unthreading the adapter from the barrel end for withdrawal of the adapter into the interior of the barrel.

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