Oximeter with monitor for detecting probe dislodgement
US4901238A · kind A · utility
115Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1988 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | May 2, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/14553
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An examination apparatus measures the oxygenation of body organs by using the near infrared transmission spectrophotometry. To assure the measurement reliability and the object person's safety, the examination apparatus monitors the variation of the fitting position of an illumination-side fixture by detecting the reflection light quantity from the measuring object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.