Surgery – Cardiac augmentation – With condition responsive means
Patent
1995-08-17
1997-03-04
Kamm, William E.
Surgery
Cardiac augmentation
With condition responsive means
607 4, A61N 1368
Patent
active
056073852
ABSTRACT:
A device and algorithm for a combined cardiomyostimulator and a cardiac pacer-cardioverter-defibrillator. In particular the present device operates, in a first embodiment, to deliver stimulation to a skeletal muscle grafted about a heart; sense depolarizations of a patient's heart; measure the intervals separating successive depolarizations of the patient's heart; define first and second interval ranges; determine the number of the measured intervals falling within the first and second interval ranges; inhibit the delivery of stimulation to a skeletal muscle grafted about a heart upon the sensing of a depolarization within the first or second interval range; detect the occurrence of a first type of arrhythmia when the number of the measured intervals falling within the first interval range equals a first predetermined value; detect the occurrence of a second type of an arrhythmia when the number of the intervals falling within the second interval range equals a second predetermined value; deliver a first type of arrhythmia therapy in response to the detection of the first arrhythmia; and deliver a second type of arrhythmia therapy in response to the detection of the second arrhythmia, the second type of arrhythmia therapy having a cardiac stimulation component and a skeletal muscle component.
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Francischelli David
Gealow Kendra K.
Grandjean Pierre A.
Hammargren John
Neisz Johann J.
Evanisko George R.
Jaro Michael J.
Kamm William E.
Medtronic Inc.
Patton Harold R.
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