Hypodermic syringe for single use

Details Hypodermic syringe for single use Hypodermic syringe for single use

1989-04-06

1990-08-21

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604228, A61M 500

Patent

active

049502409

ABSTRACT:
A single use hypodermic syringe uses a generally cylindrical elongated syringe body defining a center bore and supporting a hollow needle in communication with the center bore. A movable piston preferably formed of rubber or resilient plastic material is sealingly supported within the syringe bore. A driver member extends into the syringe bore and is coupled to the piston by a coupling which features upon a single use. Several embodiments of the single use coupling are shown which fraction to preclude any further use of the syringe once the fluid injection operation has been implemented by the syringe.

REFERENCES:
patent: 4775363 (1988-10-01), Sandsdalen
patent: 4775364 (1988-10-01), Alles

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