IMPLANTABLE BLOOD PUMP ASSEMBLY INCLUDING ANTI-ROTATION MECHANISM FOR OUTFLOW CANNULA AND METHOD OF ASSEMBLING SAME
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United States of America Patent
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Issued Date -
Mar 25, 2021
app pub date -
Jul 2, 2020
filing date -
Sep 24, 2019
priority date (Note) -
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Abstract
Disclosed herein is an implantable blood pump assembly that includes a housing defining an inlet, an outlet, and a flow path extending from the inlet to the outlet, a rotor positioned within the flow path, a stator positioned within the housing and operable to drive the rotor, and an outflow cannula. The outflow cannula includes a coupler assembly configured for removable mechanical connection to the outlet coupler, and includes a first component of an anti-rotation mechanism and a first component of an axial lock. The housing includes an outlet coupler that includes a second component of the anti-rotation mechanism and a second component of the axial lock. The first and second components of the anti-rotation mechanism are positioned to engage one another prior to the first and second components of the axial lock during insertion of the outflow cannula into the housing outlet.
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