Cardiac prosthesis having integral blood pressure sensor

Details Cardiac prosthesis having integral blood pressure sensor Cardiac prosthesis having integral blood pressure sensor

1986-04-30

1988-11-01

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Corporeal artificial heart, heart assist , control...

A61F 222

Patent

active

047817151

ABSTRACT:
An integral blood pressure sensor for a cardiac prosthesis of the type having a fluid chamber and a blood chamber separated by a flexible diaphragm which is actuated by a drive fluid pulsatingly supplied to the fluid chamber for pumping blood from the blood chamber. The blood pressure sensor includes at least one transducer integral with a wall of the blood chamber and in pressure-sensing relation to the interior of the chamber. The invention also includes a method of manufacturing a cardiac prosthesis having an integral blood pressure sensor.

REFERENCES:
patent: 3358690 (1967-12-01), Cohen
patent: 3718044 (1973-02-01), Joyce, Jr. et al.
patent: 3974825 (1976-08-01), Normann
patent: 4162543 (1979-07-01), Shumahov
patent: 4397049 (1983-08-01), Robinson et al.
patent: 4465063 (1984-08-01), Nielsen et al.
"Long Term In Vivo Automatic Electronic Control of the Artificial Heart", Landis et al, Trans. ASA 10, vol. 23, 1977.
Y. L. Sheng et al., "Indwelling Acoustic Sensor for Early Detection of Total Artificial Heart Failures", unpublished paper presented at International Biomedical Engineering Symposium and Exposition, Jan. 20-23, 1986, Salt Lake City, Utah.

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