Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1985-08-14
1986-06-03
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604197, 128763, A61M 532
Patent
active
045927448
ABSTRACT:
A self-resheathing safety needle has a case with a small closed end and a large open end and a needle assembly within the case with the needle projecting through the small closed end. A hub is connected to the needle assembly inside the case and a connector on the hub cooperates with a receiver in the small end to hold the needle assembly in the case. A flange on the hub cooperates with an inward projection in the case spaced from the small end to prevent movement of the needle out of the case when the needle is withdrawn from the opening in the small end. The nozzle of a syringe pushed into the hub withdraws the needle when the syringe is withdrawn. A rubber stopper on a vacuum tube withdraws the needle after the rubber stopper turns the flange to release the connector from the receiver.
REFERENCES:
patent: 2888923 (1959-06-01), Reis
patent: 2925083 (1960-02-01), Craig
patent: 3356089 (1967-12-01), Francis
patent: 4507117 (1985-03-01), Vining et al.
Brand Jessica J.
Guyenet Patrice G.
Jagger Janine C.
Pearson Richard D.
The University of Virginia Alumni Patents Foundation
Wray James C.
Yasko John D.
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