Hypodermic needle protection means

Details Hypodermic needle protection means Hypodermic needle protection means

1979-02-22

1981-05-12

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128221, 128763, A61M 500

Patent

active

042665434

ABSTRACT:
Hypodermic needle protection means comprising in an embodiment for vacuum tube sampling: a first needle slidably contained within a second needle, and firmly fastened therein by fastening means. Said fastening means can be overcome by forcing the point of the first needle against a hard surface to move said outer needle over said inner needle thereby covering its point. In an embodiment for a hypodermic needle comprising: a needle slidably contained within a housing and firmly fastened therein by fastening means. Said fastening means can be overcome by forcing the point of said needle against a hard surface to move said housing over said needle, thereby covering its point.

REFERENCES:
patent: 561059 (1896-05-01), Mitchell et al.
patent: 2693186 (1954-11-01), Riker et al.
patent: 2845065 (1958-07-01), Gabriel
patent: 3094989 (1963-06-01), Stauffer
patent: 3612051 (1971-10-01), Arce
patent: 3886930 (1975-06-01), Ryan
patent: 4139009 (1979-02-01), Alvarez

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