EXTERNAL EAR-PLACED NON-INVASIVE PHYSIOLOGICAL SENSOR
First Claim
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1. A noninvasive physiological sensor assembly, the sensor assembly capable of attaching to a tissue site of an ear, the sensor assembly comprising:
- one or more emitters configured to emit light;
a first housing configured to position said one or more emitters;
one or more detectors configured to detect light attenuated by said tissue of an ear of a wearer of said sensor assembly;
a second housing configured to position said one or more detectors opposite said one or more emitters, said first and second housing positioning one of said one or more emitters and said one or more detectors within an ear concha and the other of said one or more emitters and said one or more detectors behind the ear.
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Abstract
In one embodiment, a non-invasive physiological sensor assembly is capable of attachment to a tissue site of the ear comprising of cartilaginous structures of the ear, providing low latency of physiological measurements as well as a secure attachment.
373 Citations
10 Claims
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1. A noninvasive physiological sensor assembly, the sensor assembly capable of attaching to a tissue site of an ear, the sensor assembly comprising:
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one or more emitters configured to emit light; a first housing configured to position said one or more emitters; one or more detectors configured to detect light attenuated by said tissue of an ear of a wearer of said sensor assembly; a second housing configured to position said one or more detectors opposite said one or more emitters, said first and second housing positioning one of said one or more emitters and said one or more detectors within an ear concha and the other of said one or more emitters and said one or more detectors behind the ear. - View Dependent Claims (2, 3, 4, 5)
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6. A method of positioning a noninvasive physiological sensor assembly at a tissue site of an ear, the method comprising:
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providing a sensor assembly, comprising a first portion comprising one or more emitters, the sensor assembly further comprising a second portion comprising a detector, wherein the first portion and second portion are biased towards each other; and removably attaching the sensor assembly to the tissue site such that the tissue site is disposed between the first portion and second portion, wherein the tissue site comprises a cartilaginous structure of the ear. - View Dependent Claims (7, 8, 9, 10)
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Specification