Heart assist device

Details Heart assist device Heart assist device

1990-04-04

1992-03-24

Jaworski, Francis

Surgery

Cardiac augmentation

A61N 1362

Patent

active

050983709

ABSTRACT:
There is provided a heart assist system aimed at saving lives of patients who's heart is failing temporarily. The assist system comprises means for continuously monitoring the hemodynamic parameter which define the demand of the body for blood to be circulated by the heart, means to define the heart's actual performance and provides means to draw the excess blood not provided by the failing heart at that beat. That blood is reintroduced during the systolic phase of the same beat. Thus the system establishes the supply of blood required, which is supplied at rate and at a shape as close as possible to that expected by the body. The main parameter monitored is the entire atrial pressure function during the diastolic phase of the heart beat which provides the indication of the real time heart performance thus making it possible to define and provide the required assistance to be provided by the system of the invention.

REFERENCES:
patent: 3457909 (1969-07-01), Laird
patent: 4583525 (1986-04-01), Suzuki et al.
patent: 4796606 (1989-01-01), Mushika
patent: 4934996 (1990-06-01), Mohl et al.

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