Non-reusable medical needle apparatus

Details Non-reusable medical needle apparatus Non-reusable medical needle apparatus

1990-04-06

1992-02-04

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604218, A61M 500

Patent

active

050856405

ABSTRACT:
Medical needle apparatus for transferring fluid includes syringe assemblies for fluid injection and phlebotomy systems for collecting blood samples. A case with an elongated cavity therein has an open end and a relatively closed end from which a hollow needle projects. An operating member fits through the open end of the case into the cavity and controls both fluid transfer and self-destruction of the apparatus after fluid transfer to prevent reuse. Plastic deformable means responsive to pressure on the operating member in a direction toward the needle renders the apparatus non-reusable after fluid transfer either by actuating needle retraction or by increasing the lateral dimension of the operating member to prevent withdrawal. The apparatus is operable with a single hand to transfer fluid and actuate deformable means without re-positioning the hand on the apparatus.

REFERENCES:
patent: 4731068 (1988-03-01), Hesse
patent: 4826483 (1989-05-01), Molnar, IV
patent: 4961728 (1990-10-01), Kosinski

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