Fiberoptic blood pressure and oxygenation sensor
US5280786A · kind A · utility
172Cited by
22References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 1992 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | Jan 21, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/02154
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fiberoptic based sensor for patient care use. The sensor includes a catheter placed transcutaneously into a blood vessel which is connected to an external measuring head. A sensing tip of the catheter includes a pressure sensing element and an oxygen saturation measuring element. Features of the invention include novel tip designs, measuring head features, and approaches for enhancing measurement though correlation of the saturation and pressure readings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.