Methods, devices and systems for photoplethysmography at the nasal columella
First Claim
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1. A method of obtaining a photoplethysmography (PPG) signal, comprising:
- securing a PPG sensor onto a nasal columella of an individual; and
obtaining a PPG signal from the PPG sensor, wherein the PPG sensor is configured such that an emitter on the PPG sensor emits radiation through a portion of the nasal columella and a detector on the PPG sensor detects light transmitted through or reflected by the portion of the nasal columella.
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Abstract
Provided according to embodiments of the invention are photoplethysmography (PPG) sensors, systems and methods of using the same. In some embodiments of the invention, methods of obtaining a photoplethysmography (PPG) signals include securing a PPG sensor onto a nasal columella of an individual; and obtaining a PPG signal from the PPG sensor.
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Citations
26 Claims
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1. A method of obtaining a photoplethysmography (PPG) signal, comprising:
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securing a PPG sensor onto a nasal columella of an individual; and obtaining a PPG signal from the PPG sensor, wherein the PPG sensor is configured such that an emitter on the PPG sensor emits radiation through a portion of the nasal columella and a detector on the PPG sensor detects light transmitted through or reflected by the portion of the nasal columella. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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- 10. A photoplethysmography (PPG) sensor comprising a clip body configured to secure to the nasal columella, wherein the clip body is configured to extend into the nostril a distance in a range of 4 to 8 mm.
- 24. A photoplethysmography (PPG) sensor comprising (1) a clip body configured to secure and obtain photoplethysmography signals from tissue at the nasal columella and (2) an extended sensor portion configured to secure and obtain photoplethysmography signals from tissue at a secondary nasal location.
Specification