Electric heating – Metal heating – Cutting or disintegrating
Patent
1995-07-17
1996-08-20
Evans, Geoffrey S.
Electric heating
Metal heating
Cutting or disintegrating
B23K 1122, A61G 1200, A61L 1100
Patent
active
055480950
ABSTRACT:
Apparatus for destroying bio-hazardous sharp metallic instruments or "sharps" typified by hypodermic needles, hemodialysis fistula and the like wherein a stationary electrified anode is in circuit making engagement with the metallic instrument to be destroyed and the later establishes short circuit engagement with a moveable grounding electrode comprising a rotatably driven annulus or spiral wheel ramp moveable across the an outer end and progressively along the lengthwise axis of the instrument such that a majority of the instrument is burned away and volatilized by short circuit current flow between the metallic instrument and the grounding electrode.
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