Disposable syringe with automatically retractable hypodermic nee

Details Disposable syringe with automatically retractable hypodermic nee Disposable syringe with automatically retractable hypodermic nee

1998-05-21

2000-01-25

Coggins, Wynn Wood

Surgery

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

Treating material introduced into or removed from body...

604218, 604222, 604195, A61M 500

Patent

active

060173254

ABSTRACT:
A disposable syringe with an automatically retractable hypodermic needle for use in the injection of medicinal substances and/or the removal or samples of blood and liquids in general in human or veterinary medicine is disclosed. Once the operation of the syringe is performed the application of slight additional pressure to the end of the piston's travel causes the needle to be automatically shot inwards, with it remaining permanently housed in the interior in order to protect the operator from pricks or contact with pathogenic substances, and also making it unusable for subsequent applications.

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