Skin optical characterization device

A - Human Necessities – 61 – B

Patent

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A61B 5/00 (2006.01)

Patent

CA 2622560

The present invention is generally directed to dermatological devices and methods in which one or more skin characteristics, such as the melanin index, are determined by analyzing radiation backscattered from a skin region illuminated by at least one, and preferably, two or more wavelengths, e.g., in a range of about 600 nm to about 900 nm. In many embodiments, the radiation is coupled to the skin via a waveguide, and an optical sensor is employed to ascertain contact between the waveguide (e.g., a waveguide surface adapted for contact with the skin) and the skin.

La présente invention concerne de manière générale des dispositifs et des procédés dermatologiques dans lesquels une ou plusieurs caractéristiques de la peau, comme l'indice de mélanine, sont déterminées par l~analyse de radiations rétrodiffusées par une zone de la peau illuminée par au moins une, et de préférence, deux longueurs d~ondes ou plus, par exemple dans une plage d~environ 600 nm à environ 900 nm. Dans de nombreux modes de réalisation, la radiation est couplée à la peau au moyen d~un guide d~ondes, et un capteur optique est utilisé pour assurer le contact entre le guide d'ondes (par exemple une surface de guide d'ondes adaptée pour le contact avec la peau) et la peau.

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