Syringe apparatus

Details Syringe apparatus Syringe apparatus

1989-02-17

1990-06-12

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 532

Patent

active

049329472

ABSTRACT:
Disposable syringe apparatus is provided having a fluid cylinder and needle which is automatically retracted into a protective sleeve in the event of a release of the plunger or in the event the apparatus is accidentally dropped. The syringe apparatus is formed from an inexpensive transparent plastic and may be used for both extractions or injections as needed. A resilient member is positioned exteriorly of the fluid cylinder for ease in assembly and maintenance and acts as a means to attach the fluid cylinder to the protective sleeve.

REFERENCES:
patent: 2876770 (1959-03-01), White
patent: 3314380 (1964-05-01), Armao
patent: 4258713 (1981-03-01), Wardlaw
patent: 4507118 (1985-03-01), Dent
patent: 4542749 (1985-09-01), Caselgrandi et al.
patent: 4664654 (1987-05-01), Strauss
patent: 4725267 (1988-02-01), Vaillancourt
patent: 4747837 (1988-05-01), Hauck
patent: 4767413 (1988-08-01), Haber et al.
patent: 4787891 (1988-11-01), Levin et al.
patent: 4820275 (1989-04-01), Haber et al.

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