Device for manometric measurement of the esophagus

Details Device for manometric measurement of the esophagus Device for manometric measurement of the esophagus

1992-04-09

1994-03-29

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Photoelectric

178780, 25023119, 356352, G01L 900

Patent

active

052974375

ABSTRACT:
A device for manometric measurement of the oesophagus has a catheter with a pressure sensor and a recording unit with a light source for monochromatic and coherent light, and a counting unit for light pulses. The pressure sensor is constructed as a Fabry Perot measuring section and has a pliable optical fiber embedded in elastic base material. The optical fiber is connected via a fiber-optic light guide to the recording unit (3). One end (6) of the optical fiber (5) is metal-coated and the other end (7) is partially metal-coated and connected to the fiber-optic light guide (8). The fiber-optic light guide (8) conveys not only the light from the light source to the optical fiber but also the light pulses from the optical fiber to the counting unit.

REFERENCES:
patent: 3480003 (1969-11-01), Crites
patent: 3939823 (1976-02-01), Kaye et al.
patent: 4803992 (1989-02-01), Lemelson
patent: 4924877 (1990-05-01), Brooks
patent: 4991590 (1991-02-01), Shi
patent: 5018529 (1991-05-01), Tenerz et al.

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