Patent ID: 8229532

Claim:
A noninvasive physiological sensor assembly, the sensor assembly capable of attaching to a tissue site of an ear of a living body, the sensor assembly comprising: a plurality of emitters configured to emit light; a first housing configured to house and position said plurality of emitters, the first housing having a first contact point configured to curve with the tissue site; one or more detectors configured to detect said light after it has been attenuated by tissue of the ear of the living body; and a second housing configured to house and position said one or more detectors opposite said plurality of emitters, the second housing having a second contact point configured to curve with the tissue site, wherein said first and second housings are configured to allow positioning either said plurality of emitters or said one or more detectors within an ear concha of the living body and the other of said plurality of emitters or said one or more detectors behind the ear of the living body, wherein the first contact point and the second contact point have complimentary shapes.