Dermoscopy illumination device with selective polarization and orange light for enhanced viewing of pigmented tissue
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United States of America Patent
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Oct 4, 2016
Grant Date -
Feb 5, 2015
app pub date -
Aug 1, 2013
filing date -
Aug 1, 2013
priority date (Note) -
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Abstract
An illumination device used in dermoscopy for enhanced imaging and illumination of the skin for medical examination and treatment. An array of LEDs encircle a magnifying lens assembly. One set of surrounding LEDs provides cross-polarized white light to aid in canceling the reflected light from the skin and creating less glare. Another set of surrounding LEDs provides non-polarized white light for traditional immersion fluid dermoscopy or for non-polarized viewing of the skin. A third set of surrounding LEDs provides polarized colored light, wherein the wavelength color is selected at a color wavelength that maximizes the viewing of skin pigment regions which is important for early detection of skin cancers and other skin diseases. In one embodiment, the colored LEDs comprise orange light at a wavelength in the range of 581 nm to 600 nm wavelengths.
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