Medical pressure sensing and display system

Details Medical pressure sensing and display system Medical pressure sensing and display system

1990-08-13

1991-04-02

Yasko, John D.

Surgery

Instruments

Internal pressure applicator

604100, 600 18, A61M 2902

Patent

active

050044729

ABSTRACT:
A fluid pressure monitoring system for a balloon catheter includes a pressure transducer in fluid communication with the interior of the balloon. The pressure transducer includes elements for providing an electrical signal which is a function of the pressure in the interior of the balloon. An electronic digital display is responsive to the electrical signal from the pressure transducer to display the balloon pressure measured by the pressure transducer. The system is especially suited for coronary angioplasty in which a catheter is inserted through blood vessels in the human body to the vicinity of a stenosis. The catheter carries an inflatable balloon to the vicinity of the stenoisis, where it is inflated, and the fluid pressure monitoring system of the present invention detects and digitally displays to the cardiologist the pressure inside the inflated balloon.

REFERENCES:
patent: 4016871 (1977-04-01), Schiff
patent: 4332254 (1982-06-01), Lundquist
patent: 4522194 (1985-06-01), Normann
patent: 4651738 (1987-03-01), Demer et al.
patent: 4781192 (1988-11-01), Demer
patent: 4796606 (1989-01-01), Mushika
patent: 4872483 (1989-10-01), Shah

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