Hypodermic syringe needle detection alarm

Details Hypodermic syringe needle detection alarm Hypodermic syringe needle detection alarm

1990-05-10

1991-11-05

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

128919, 340321, 361170, G08B 2100, H01H 4700

Patent

active

050633708

ABSTRACT:
A hypodermic syringe needle detector consisting of a normally open circuit adapted to be closed when a hypodermic syringe needle penetrates the device and simultaneously makes electrical contact between two or more elctrically conductive surfaces. Closing the circuit energizes a sensory alarm such as an audio signal or light.

REFERENCES:
patent: 3959789 (1976-05-01), McGahee
patent: 4843014 (1989-06-01), Cukier
patent: 4874384 (1989-10-01), Nunez
patent: 4890094 (1989-12-01), Kopel
patent: 4890734 (1990-01-01), Gach
patent: 4910803 (1990-03-01), Cukier
patent: 4915698 (1990-04-01), Levenson
patent: 4921491 (1990-05-01), Champ
patent: 4938514 (1990-07-01), D'Addezio
patent: 4938745 (1990-07-01), Sagstetter
patent: 4947868 (1990-08-01), Schodman

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