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US 6,183,086 B2Granted
Variable multiple color LED illumination system
AssigneeBausch & Lomb Surgical, Inc.
InventorWilliam J. Neubert
Life of this patent
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Abstract
An ophthalmic illumination system is provided that emits a light that is controllably variable in color. Because the light originates from LEDs, less heat is generated from the emitted light as compared to conventional ophthalmic illumination systems using tungsten or discharge sources.
Claims5
An ophthalmic illumination system comprising:
- a first light emitting diode;
- a second light emitting diode;
- a third light emitting diode;
- a mixing device for mixing light emitted from said first, second and third light emitting diodes together;
- and
- an exit lightguide in light communication with said mixing device, said exit lightguide adapted for insertion into ocular tissue.
3 more elements
Dependencies are inferred from the claim text.