COLLAPSIBLE AND SELF-EXPANDING CANNULA FOR A PERCUTANEOUS HEART PUMP AND METHOD OF MANUFACTURING
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United States of America Patent
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Issued Date -
Feb 18, 2021
app pub date -
Oct 29, 2020
filing date -
Mar 26, 2018
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Abstract
An expandable cannula for a percutaneous heart pump includes a substantially open proximal end and a substantially open distal end. The expandable cannula includes an elongate central portion disposed between the proximal end and the distal end, the elongate central portion having an inner surface and an opposing outer surface. A first fluid impermeable film is disposed on at least one of the inner surface and the outer surface. The first fluid impermeable film comprises a polymer and has a thickness within a range of from 10 μm to 200 μm.
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