Patent ID: 8636956
Filing Date: 2014-01-28
Classification: A61M,G01N,Y10T

Abstract:
1. A sensor, adapted to be attached on a human body to measure concentration or presence/absence of carbon dioxide in respiratory gas from the human body, the sensor comprising: a light-emitting element, operable to emit light; a light-receiving element, configured to receive the light; a support member, supporting the light-emitting element and the light-receiving element, and configured to be brought into contact with a part between nostrils and a mouth of the human body when the sensor is attached on the human body; and a respiratory flow path formed in the support member and intersecting between the light-emitting element and the light-receiving element, the respiratory flow path being configured to allow the respiratory gas to pass therethrough when the support member is brought into contact with the part between the nostrils and the mouth, wherein a width of the support member in a direction perpendicular to a line extending between the light-emitting element and the light-receiving element is smaller than a distance between the nostrils and the mouth.