Optical head for endoscope

Details Optical head for endoscope Optical head for endoscope

A - Human Necessities

61

B

A61B 1/005 (2006.01) A61B 1/04 (2006.01) A61B 1/06 (2006.01)

Patent

CA 2582292

An optical head for an endoscope is fitted with an imaging system comprising a solid state imaging sensor and with an illuminating system comprising illuminating means, e.g. LED's. At least one illuminating means is defined by a parameter, which value is different from the value of the same parameter of the remaining illuminating means. Among the parameters are luminous intensity, luminous intensity distribution angle and direction of the longitudinal axis of the illuminating means.

L'invention porte sur une tête optique d'endoscope munie d'un système d'imagerie comprenant: un détecteur d'imagerie transistorisé; et des moyens d'éclairage, par exemple à DELs, dont l'un au moins est défini par un paramètre dont la valeur diffère de celle des autres moyens. Parmi les paramètres se trouvent: l'intensité lumineuse, l'angle de distribution de l'intensité lumineuse et la direction de l'axe longitudinal du moyen d'éclairage.

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