Disposable hypodermic syringe

Details Disposable hypodermic syringe Disposable hypodermic syringe

1989-01-12

1991-01-22

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604195, 604240, A61M 532

Patent

active

049868136

ABSTRACT:
A retractable hypodermic needle & syringe article comprising barrel means comprising means to receive and removably restrain a hypodermic needle-containing assembly for dispensing liquids, plunger means to force the liquids through the needle and a hypodermic needle-containing hub adapted to be removably held at the distal end of the barrel said plunger and hub comprising complementary means to engage, after final use of the article, and retract said hypodermic needle-containing hub into the barrel from which is cannot be reextended for further use wherein the plunger further comprises means to cause the needle-containing hub to assume an angled position relative to the longitudinal axis of the plunger when the hub has been retracted into the barrel.

REFERENCES:
patent: 4507117 (1985-03-01), Vining et al.
patent: 4553962 (1985-11-01), Brunet
patent: 4675005 (1987-06-01), DeLuccia
patent: 4692156 (1987-09-01), Haller
patent: 4710170 (1987-12-01), Haber et al.
patent: 4747830 (1988-05-01), Gloyer et al.
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patent: 4804370 (1989-02-01), Haber et al.
patent: 4826484 (1989-05-01), Haber et al.
patent: 4850994 (1989-07-01), Zerbst et al.
patent: 4883471 (1989-11-01), Braginetz et al.
patent: 4919652 (1990-04-01), Alter et al.

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