Fiber optic intravascular blood pressure transducer

Details Fiber optic intravascular blood pressure transducer Fiber optic intravascular blood pressure transducer

1989-01-30

1991-02-12

Howell, Kyle L.

Surgery

Truss

Pad

128675, 128748, 73705, 73715, A61B 50215

Patent

active

049915908

ABSTRACT:
A device for the measurement of the blood pressure of a patient includes an arrangement for transmitting a light through an optical fiber; an arrangement for receiving and measuring a reflected light through an optical fiber; and a cylindrically shaped pressure sensor having a side window and a plate having two sections which moves in accordance with the applied blood pressure thereby causing the reflection and detection of different amounts of light based on the applied blood pressure at the window.

REFERENCES:
patent: 3273447 (1966-09-01), Frank
patent: 3946724 (1976-03-01), LaBalme
patent: 4030485 (1977-06-01), Warner
patent: 4611600 (1986-09-01), Cohen
patent: 4682895 (1987-07-01), Costello
patent: 4718423 (1988-01-01), Willis et al.
Matsumoto et al., "The Development of a Fibre Optic Catheter Tip Pressure Transducer", vol. 2, No. 5, pp. 239-242, J. Med. Eng. and Technol. (GB), Sep. 1978.
Lekholm et al., "Optoelectronic Transducer for Intravascular Measurements of Pressure Variations", vol. 7, pp. 333-335, Med. and Biol. Engng. (GB), Nov. 1968.

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