Method for assisting stystolic and diastolic cardiac function

Details Method for assisting stystolic and diastolic cardiac function Method for assisting stystolic and diastolic cardiac function

1997-03-14

2000-09-19

Kamm, William E.

Surgery

Cardiac augmentation

With condition responsive means

623 3, A61M 112

Patent

active

061204315

ABSTRACT:
The present invention pertains to an apparatus for assisting a patient's heart operation. The apparatus comprises a mechanism for expanding and collapsing a right ventricle free wall of a heart of a patient. The apparatus also comprises a mechanism for powering the expanding and collapsing mechanism. The powering mechanism is in communication with the expanding and collapsing mechanism. The present invention pertains to a method for assisting operation of a patient's heart. The method comprises the steps of expanding a balloon placed between a right ventricle free wall and a septum of a patient such that right ventricular compression is achieved during cardiac systole. Then there is the step of collapsing the balloon during cardiac diastole.

REFERENCES:
patent: 4536893 (1985-08-01), Parravicini
patent: 5131905 (1992-07-01), Grooters
patent: 5169381 (1992-12-01), Synders
patent: 5256132 (1993-10-01), Synders
patent: 5453076 (1995-09-01), Kiyota et al.
patent: 5498228 (1996-03-01), Royalty et al.

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