Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
Patent
1981-03-30
1982-05-18
Peshock, Robert
Dentistry
Apparatus
Having means to emit radiation or facilitate viewing of the...
362804, A61C 300
Patent
active
043302742
ABSTRACT:
The lighting system comprises a lamp assembly including a conductive block having a plurality of longitudinal passageways extending from one end of the block adjacent the proximal end of the handpiece in a configuration matching the fluid transmitting conduit configuration extending from the handpiece and terminating at the opposite end of the block, means connecting said passageways at said opposite end to an air/water supply tubing, slidable means for removably coupling the lamp assembly to the handpiece, said block having a cavity for housing a miniature halogen lamp with the halogen lamp longitudinally seated in the cavity, means in said cavity for detachably engaging said lamp such that said lamp may be removed for replacement without disturbing the fluid interface between the block and the supply tubing, said lamp having a light transmitting end in close optical coupling with the proximal end of the handpiece, and wherein said slidable means includes an aperture in a predetermined location and means for engaging said block in a first position for enclosing the lamp assembly and in a second position for exposing the light transmitting end of the lamp through such aperture in the sliding means. In the second position the light generated by the bulb is directed into a fiber optic bundle removably attached to the handpiece.
REFERENCES:
patent: 2539828 (1951-01-01), Goldis et al.
patent: 3634938 (1972-01-01), Hutchinson
patent: 4171572 (1979-10-01), Nash
patent: 4230453 (1980-10-01), Reimers
Friedman Joshua
Zetena, Jr. Maurice F.
Peshock Robert
Wilson John J.
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