Methods, devices and systems for counterpulsation of blood flow to and from the circulatory system
First Claim
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1. A counterpulsation method of assisting the heart of a patient using a pump assist system, the method comprising:
- coupling a first conduit to the cardiovascular system of the patient without entering the chest cavity or abdominal cavity of the patient,connecting a first port of a pulsatile pump to the first conduit,implanting the pump in the patient without entering the chest cavity or abdominal cavity of the patient,connecting a driver unit to the pump, andcoordinating the operation of the pulsatile pump with the driver unit to suction blood from the cardiovascular system through the first port and the first conduit while the heart is in systole and expel the blood into the first port and the first conduit and the cardiovascular system while the heart is in diastole wherein operation of the pump includes delivering a fluid from the driver unit to the pump.
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Abstract
Counterpulsation methods and systems for assisting the heart of a patient involve, for example, coordinating the operation of a pulsatile pump to suction blood from an artery through a blood flow conduit while the heart is in systole and expel the blood into the blood flow conduit and the artery while the heart is in diastole.
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Citations
15 Claims
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1. A counterpulsation method of assisting the heart of a patient using a pump assist system, the method comprising:
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coupling a first conduit to the cardiovascular system of the patient without entering the chest cavity or abdominal cavity of the patient, connecting a first port of a pulsatile pump to the first conduit, implanting the pump in the patient without entering the chest cavity or abdominal cavity of the patient, connecting a driver unit to the pump, and coordinating the operation of the pulsatile pump with the driver unit to suction blood from the cardiovascular system through the first port and the first conduit while the heart is in systole and expel the blood into the first port and the first conduit and the cardiovascular system while the heart is in diastole wherein operation of the pump includes delivering a fluid from the driver unit to the pump. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A counterpulsation method of assisting the heart of a patient using a pump assist system, the method comprising:
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coupling a first conduit to the cardiovascular system of the patient, connecting a first port of a pulsatile pump to the first conduit, implanting the pump in the patient without entering the chest cavity or abdominal cavity of the patient, connecting a driver unit to the pump, and coordinating the operation of the pulsatile pump with the driver unit to suction blood from the cardiovascular system through the first port and the first conduit while the heart is in systole and expel the blood into the first port and the first conduit and the cardiovascular system while the heart is in diastole wherein operation of the pump includes delivering a fluid from the driver unit to the pump. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification