One-time use medical syringe invention

Details One-time use medical syringe invention One-time use medical syringe invention

1986-06-11

1987-08-18

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

A61M 500

Patent

active

046874674

ABSTRACT:
Medical care device for only one-time use as a medical syringe for injection with destroyable piston after single use. Destruction of a syringe piston will occur after one-time use by cutting out a hole in the center of the front wall of the piston. In the very last moment of the injection stroke, the piston is pushed against the very sharp cylindrical cutting edge of the rear end of the tubular needle, which protrudes to the inside of the syringe cylinder for this purpose. With such a punctured piston it will be impossible to create a vacuum suction effect which is necessary to introduce any medication or liquid into the syringe cylinder for a second use. Simply put, nobody will be able to use this kind of syringe twice.

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