Syringe device

Details Syringe device Syringe device

1990-06-12

1991-10-29

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 500

Patent

active

050612514

ABSTRACT:
So as to prevent accidental needle contacts when a syringe device is not being used, I have devised a syringe device in which I have made a movable shield member, integral with a syringe member of said device, to be movably interconnected with the syringe member for movement between a first position for shielding a needle member of said device and a second position for exposing the needle member, I have provided means for manually moving the shield member from the first to the second position, and I have disposed between the shield member and the syringe member, spring means for normally biasing the shield member in the shielding position when the syringe device is not being used.

REFERENCES:
patent: 4639249 (1987-01-01), Larson
patent: 4927416 (1990-05-01), Tomkiel
patent: 4932940 (1990-06-01), Walker et al.
patent: 4932947 (1990-06-01), Cardwell
patent: 4966592 (1990-10-01), Burns et al.

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