04191193 is referenced by 160 patents and cites 16 patents.

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.

Title
Catheter head-type transducer
Application Number
5/770782
Publication Number
4191193
Application Date
February 22, 1977
Publication Date
March 4, 1980
Inventor
Iwao Seo
Ibaragi
JP
Assignee
Mitsubishi Petrochemical
JP
IPC
A61B 5/02
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