Catheter head-type transducer

Details Catheter head-type transducer Catheter head-type transducer

1977-02-22

1980-03-04

Michell, Robert W.

Surgery

Truss

Pad

252 629, 73727, A61B 502

Patent

active

041911938

ABSTRACT:
A catheter having a transducer that comprises an organic high polymer filmlike piezoelectric element or elements. The catheter has the capacity of converting, safely and with accurate wave shapes, pressure in the living body, for example blood pressure, pressure in a thorax, or intrauterine pressure, into an electric signal. By means of this catheter, pressure in the living body can be measured.

REFERENCES:
patent: 3553625 (1971-01-01), Stedman
patent: 3607754 (1971-09-01), Asahina et al.
patent: 3858307 (1975-01-01), Yoshimura et al.
patent: 3970862 (1976-07-01), Edelman et al.
patent: 3971250 (1976-07-01), Taylor
patent: 3996922 (1976-12-01), Basham
"Catheter Pressure Transducers," Millar Instrument Catalog, Millar Instruments, Inc., Houston, Tex. (prior to 2/29/76).

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