A pulse oximeter and a method of its operation

A - Human Necessities – 61 – B

Patent

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A61B 5/00 (2006.01)

Patent

CA 2422683

A sensor for use in an optical measurement device and a method for non- invasive measurement of a blood parameter. The sensor includes sensor housing, a source of radiation coupled to the housing, and a detector assembly coupled to the housing. The source of radiation is adapted to emit radiation at predetermined frequencies. The detector assembly is adapted to detect reflected radiation at least one predetermined frequency and to generate respective signals. The signals are use to determine the parameter of the blood.

L'invention concerne un capteur pouvant être utilisé dans un dispositif de mesure optique, et un procédé non-invasif permettant de mesurer un paramètre du sang. Le capteur comprend un boîtier de capteur, une source de rayonnement couplée au boîtier, et un ensemble détecteur couplé au boîtier. La source de rayonnement est conçue pour émettre un rayonnement à des fréquences prédéterminées. L'ensemble détecteur est conçu pour détecter le rayonnement réfléchi à au moins une fréquence prédéterminée, et pour produire des signaux correspondants. Les signaux sont utilisés pour déterminer le paramètre du sang.

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