Assessing a subject's circulatory system
US8491486B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2009 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Sep 19, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/0295
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus including an input interface configured to provide signals from at least two sensors for at least two postures including: signals, dependent upon blood presence, from a first sensor when a subject is in a first posture; signals, dependent upon blood presence, from the first sensor when the subject is in a second posture; signals, dependent upon blood presence, from a second sensor when the subject is in the first posture; and signals, dependent upon blood presence, from the second sensor when the subject is in the second posture; and processing circuitry configured to determine and output a metric by combining, according to predefined calibration data the provided signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.