Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
Patent
1985-11-07
1987-06-16
Wilson, John J.
Dentistry
Apparatus
Having means to emit radiation or facilitate viewing of the...
A61C 108, A61C 300
Patent
active
046733515
ABSTRACT:
The contra-angle is provided with means for illuminating the site of treatment. The light source is incorporated inside the body of the contra-angle, and in front of this light source is inserted an optical element arranged to deflect the light rays towards the site of treatment. This optical element comprises a total reflection prism embedded in a recess in the body of the contra-angle.
REFERENCES:
patent: 2932294 (1960-04-01), Fourestier et al.
patent: 3109238 (1963-11-01), Marks
patent: 4398885 (1983-08-01), Loge et al.
Luiset Jean-Jacques
Seigneurin Michel
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Micro-Mega S.A.
Wilson John J.
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