Catheter and sensor having pressure detecting function

Details Catheter and sensor having pressure detecting function Catheter and sensor having pressure detecting function

1997-05-06

2000-02-01

Nasser, Robert L.

Surgery

Diagnostic testing

Cardiovascular

600505, 600561, A61B 500

Patent

active

060197285

ABSTRACT:
A catheter includes a longitudinally extending catheter tube to be inserted into a body. A plurality of sensing portions are arranged in the catheter tube for detecting at least two types of pressures acting on the catheter when inserted into the body. Each sensing portion is arranged along the longitudinal direction of the catheter tube. A silicone gel transmits the two types of pressures acting in the body to each sensing portion. The two types of pressures act on each sensing portion in a radial direction of the catheter tube by way of the silicone gel.

REFERENCES:
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patent: 4850358 (1989-07-01), Millar
patent: 5113868 (1992-05-01), Wise et al.
patent: 5207227 (1993-05-01), Powers
patent: 5715827 (1998-02-01), Corl et al.
Borky et al, "Integrated Signal Conditioning for Silicon Pressure Sensors," IEEE Transactions on Electron Devices, vol. ED-26, No. 12 (Dec. 1979), pp. 1904-1910.

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