Miniature optically coupled electrically isolated ultrasensitive dynamic pressure detector
US7392707B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2004 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Feb 19, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/03
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for monitoring low dynamic pressures in confined spaces, such system comprising a catheter, a multilayered corrugated membrane of diameter less than 2 mm with a reflective inner layer mounted within said catheter; a set of optical fibers comprising one or more illuminating fibers and two or more detecting fibers which are contained within said catheter and whose ends are set at differing distances from the membrane; an illuminating system coupled to said illuminating fibers; and a detection system coupled to said illuminating fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.