Device, system and method for extracting physiological information indicative of at least one vital sign of a subject
US11712185B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Mar 20, 2019 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Apr 5, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/7221
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure relates to devices, systems and methods for extracting physiological information indicative of at least one vital sign of a subject. An embodiment of a device comprises a pre-treatment unit configured to derive at least three detection signals from electromagnetic radiation reflected from a skin region of a subject, wherein at least two detection signals comprise wavelength-dependent reflection information in a different wavelength channel and at least two detection signals comprise reflection information in different polarization channels having different polarization directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.