Physiological sensor having reduced sensitivity to interference

Details Physiological sensor having reduced sensitivity to interference Physiological sensor having reduced sensitivity to interference

A - Human Necessities

61

B

A61B 5/00 (2006.01)

Patent

CA 2758386

A physiological sensor having reduced sensitivity to interference includes a light source, a light detector in optical communication with the light source, and a sensor pad at least partially housing the light source and the light detector. The sensor pad is configured to be capacitively isolated from a patient. Moreover, the physiological sensor may be electrically connected to an amplifier having a signal ground and a monitor.

L'invention porte sur un détecteur physiologique ayant une sensibilité réduite aux interférences, comprenant une source de lumière, un détecteur de lumière en communication optique avec la source de lumière et un bloc détecteur recevant au moins partiellement la source de lumière et le détecteur de lumière. Le bloc détecteur est configuré de façon à être isolé de manière capacitive vis-à-vis d'un patient. De plus, le détecteur physiologique peut être électriquement connecté à un amplificateur comportant une masse de signal et un moniteur.

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