Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-07-07
1999-05-04
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604263, A61M 532
Patent
active
058998861
ABSTRACT:
A needle assembly with a needle holder, a needle sleeve movable over the needle holder, and an interlocking member. The needle sleeve encloses a needle holder and is manually extendable and retractable in a telescopic manner to enclose or expose respectively the distal sharp portion of a needle without the aid of a spring or spring-like device. An interlocking member that clamps or slips into the needle holder locks or releases the needle sleeve from the needle holder. In this assembly, the needle is attached to a protruding body to prevent movement of the needle during use. At the proximal end of the needle assembly is a connector for communicating the needle assembly to a hypodermic syringe or other fluid delivery device.
REFERENCES:
patent: 5643220 (1997-07-01), Cosme
Sarno Maria Erlinda C.
Yasko John D.
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