Retractable needle syringe

Details Retractable needle syringe Retractable needle syringe

1997-02-18

1998-06-09

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604218, A61M 500

Patent

active

057626359

ABSTRACT:
A retractable needle syringe that includes a barrel assembly, a plunger assembly, and a needle assembly. The plunger assembly is movably mounted in the barrel assembly. And, the needle assembly is movably mounted in the barrel assembly and engagable with the plunger assembly, so that after the retractable needle syringe has been used, the plunger assembly is engaged with the needle assembly, the plunger assembly is pulled, and the needle assembly is drawn into the barrel assembly.

REFERENCES:
patent: 4919657 (1990-04-01), Haber et al.
patent: 4950251 (1990-08-01), Haining
patent: 5061249 (1991-10-01), Campbell
patent: 5098402 (1992-03-01), Davis
patent: 5188601 (1993-02-01), King
patent: 5190526 (1993-03-01), Murray et al.
patent: 5484414 (1996-01-01), Pace

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