Patent · US Expired

Miniature optically coupled electrically isolated ultrasensitive dynamic pressure detector

US7392707B2 · kind B2 · utility

1Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 2004
Grant dateJul 1, 2008
Priority date
Expiry dateFeb 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.