Sleep monitoring using a photoplethysmograph
US7674230B2 · kind B2 · utility
113Cited by
50References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 2007 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Jul 23, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG16H50/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for diagnosis includes receiving from a sensor coupled to a body of a sleeping patient a photoplethysmograph signal. The photoplethysmograph signal is processed independently of any other physiological measurements in order to identify sleep stages of the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.