Oximeter sensor with encoded temperature characteristic

Details Oximeter sensor with encoded temperature characteristic Oximeter sensor with encoded temperature characteristic

A - Human Necessities

61

B

A61B 5/00 (2006.01)

Patent

CA 2345731

A method for operating an oximeter sensor, and corresponding apparatus, which includes an encoded temperature characteristic of a light emitter (52) in the sensor (50). The encoded temperature characteristic is read, and is used to modify a drive of the light emitter (52) in the sensor (50). This enables a light emitter (52) to be operated at its maximum allowable intensity to maximize a signal to noise ratio, without burning a patient, in accordance with the particular characteristics of that light emitter (52).

La présente invention concerne un procédé de fonctionnement d'un capteur d'oxymètre, ainsi que le dispositif associé, comprenant, dans le capteur (50), une caractéristique de température codée d'un émetteur de lumière (52). La caractéristique de température codée est lue et utilisée afin de modifier une commande de l'émetteur de lumière (52) placé dans le capteur (50). Ceci permet de faire fonctionner, sans brûler un patient, un émetteur de lumière (52) au maximum de son intensité permise afin de maximiser un rapport signal sur bruit, conformément aux caractéristiques particulières de cet émetteur de lumière (52).

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