Catheter having a sensor
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United States of America Patent
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Nov 17, 1998
Grant Date -
N/A
app pub date -
Oct 29, 1996
filing date -
Nov 1, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A catheter that is guided into an intra-corporeal passageway is set forth. A catheter tube accommodates an element having a piston for detecting a pressure in the intra-corporeal passageway. Silicone gel is accommodated in the catheter tube to transmit the detected pressure in the catheter tube. A strain gage is disposed on a semiconductor chip to output an electric signal based on an amount of a deformation thereof indicative of the pressure in the catheter tube.
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