Simplified retractable needle syringe

Details Simplified retractable needle syringe Simplified retractable needle syringe

1989-12-12

1990-08-21

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604110, A61M 532

Patent

active

049502514

ABSTRACT:
A simplified retractable needle hypodermic syringe is provided which includes a barrel having a needle carrier mounted therein with a cannula attached thereto. A slidable plunger is mounted within the barrel which includes a shaft and hub for locking to the carrier. The plunger seal is conveniently mounted about the shaft between the plunger and the hub.

REFERENCES:
patent: 4675005 (1987-06-01), Deluccia
patent: 4747830 (1988-05-01), Gloyer
patent: 4883471 (1989-11-01), Braginetz et al.

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