Catheter having a sensor

Details Catheter having a sensor Catheter having a sensor

1996-10-29

1998-11-17

Bahr, Jennifer

Surgery

Diagnostic testing

Cardiovascular

600561, 600587, 73746, A61B 502

Patent

active

058368868

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.

REFERENCES:
patent: 3911902 (1975-10-01), Delpy
patent: 3946724 (1976-03-01), La Balme
patent: 4722348 (1988-02-01), Lightenberg et al.
patent: 4846191 (1989-07-01), Brockway et al.
patent: 5113868 (1992-05-01), Wise et al.
patent: 5209120 (1993-05-01), Araki
patent: 5257630 (1993-11-01), Broitman et al.
patent: 5425371 (1995-06-01), Mischenko
patent: 5517998 (1996-05-01), Madison
patent: 5661245 (1997-08-01), Svoboda et al.

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