A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/12 (2006.01) A61M 1/10 (2006.01)
Patent
CA 2385681
A system for assisting the failing ventricle, which utilizes a single blood displacement chamber and a single cannula. The cannula is inserted into the failing ventricle cavity and is connected to a blood displacement actuator. The device produces blood displacement at a critical time for a critical duration and with blood flow time course such that it improves the systolic function of the heart: augments the cardiac output and increases the generated pressure. The device also improves the diastolic function by increasing the ventricle compliance and imposing rapid relaxation of the ventricle wall. The device provides additional external work without deteriorating the mechanical function of the failing ventricular, moreover it decreases the energy consumption of the failing heart and improves the coronary perfusion. Consequently, the device improves the balance between the energy supply (coronary perfusion) to the ventricle wall and the mechanical demands, and allows recovery of the failing heart.
Landesberg Amir
Levram Medical Systems Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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