Surgical light assembly

Details Surgical light assembly Surgical light assembly

1977-05-10

1979-01-16

Nelson, Peter A.

Illumination

Light source and modifier

Tiltable or rotatable as a unit

362285, 362297, 362363, F21V 2126

Patent

active

041352319

ABSTRACT:
A surgical light assembly employs three fixed, coaxially-arranged curved reflectors with a single movable light source mounted for limited movement along the axis of the reflectors to focus the light. The light source and at least the reflective surfaces of two of the reflectors are enclosed so that convective currents over these surfaces are precluded. The light is cooled by a heat sink mounted in heat transfer relation with the light source, with the heat sink having a major surface exposed to atmosphere to dissipate heat. Glare is minimized by precluding direct viewing of the light source from outside the light assembly.

REFERENCES:
patent: 2069950 (1937-02-01), Greppin
patent: 2798938 (1957-07-01), Jewell
patent: 3348036 (1967-10-01), Bodian et al.
patent: 3395272 (1968-07-01), Nicholl
patent: 3446952 (1969-05-01), Sitter et al.
patent: 3486019 (1969-12-01), Bryant et al.
patent: 3560728 (1971-02-01), Atkin
patent: 3634675 (1972-01-01), Madsen et al.
patent: 3832539 (1974-08-01), Oram
patent: 3886350 (1975-05-01), Katsukuru et al.
patent: 4032771 (1977-06-01), Ilzig
patent: 4037096 (1977-07-01), Brendgord

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