Electrically focused surgical light

Details Electrically focused surgical light Electrically focused surgical light

A - Human Necessities

61

G

240/81

A61G 13/00 (2006.01)

Patent

CA 1159032

ABSTRACT A multi-filament lamp combination is disclosed which may be used alone and in multi-lamp arrangements with other single land multi-filament lamps to provide pattern size variation from a large diameter flood effect to a smaller diameter spot effect. A spot/flood capability exists to provide large pattern exposure simultaneously with secondary spotlighting. The filaments can be energized selectively from a remote switching station so that the individuals who are scrubbed and gloved need not touch any part of the switching arrangement to change the lamp pattern size. A cluster of lights can contain one or more multi-filament lamps with in the cluster, so that by switching on the rear most filament of the multi-filament lamps and switching off the single filament lamps, a small high intensity pattern is obtained by switching to the other filaments, a large pattern of high intensity is formed. More than two filaments can be provided in each lamp.

367749

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