Heart assist device with expandable impeller pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9717833
SERIAL NO

15176620

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An impeller includes a hub and a blade supported by the hub. The impeller has a stored configuration in which the blade is compressed so that its distal end moves towards the hub, and a deployed configuration in which the blade extends away from the hub. The impeller may be part of a pump for pumping fluids, such as blood, and may include a cannula having a proximal portion with a fixed diameter, and a distal portion with an expandable diameter. The impeller may reside in the expandable portion of the cannula. The cannula may have a compressed diameter which allows it to be inserted percutaneously into a patient. Once at a desired location, the expandable portion of the cannula may be expanded and the impeller expanded to the deployed configuration. A flexible drive shaft may extend through the cannula for rotationally driving the impeller within the patient.

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Patent Owner(s)

Patent OwnerAddress
THORATEC LLC6035 STONERIDGE DRIVE PLEASANTON CA 94588

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boger, David A Jenkintown, US 17 2269
Campbell, Robert L Port Matilda, US 79 5190
Dillon, Gregory P State College, US 22 2478
Hambric, Stephen A State College, US 17 2269
Kunz, Robert F State College, US 20 2810
Leschinsky, Boris Mahwah, US 78 4813
Mallison, Thomas M State College, US 25 3697
McBride, Mark W Bellefonte, US 28 4190
Runt, James P State College, US 17 2269
Walsh, Justin M Spring Mills, US 20 3059

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