IN IN7493DEN2014A
A hemodynamic flow assist device includes a miniature pump a basket like cage enclosing and supporting the pump and a motor to drive the pump. The device is implanted and retrieved in a minimally invasive manner via percutaneous access to a patient s artery. The device has a first collapsed configuration to assist in implantation and a second expanded configuration once deployed and active. The device is deployed within a patient s aorta and is secured in place via a self expanding cage which engages the inner wall of the aorta. The device includes a helical screw pump with self expanding blades. Also included is a retrieval device to remove the hemodynamic flow assist device once it is no longer needed by the patient. The hemodynamic flow assist device helps to increase blood flow in patients suffering from congestive heart failure and awaiting heart transplant.
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