Conduit tips and systems and methods for use
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United States of America Patent
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Dec 27, 2022
Grant Date -
Sep 19, 2019
app pub date -
May 1, 2017
filing date -
Apr 29, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to a rotary blood pump system. The rotary blood pump system may comprise an inflow conduit, an outflow conduit, a control system, and a power source. The present disclosure further relates to various inflow conduit assemblies comprising a conduit tip comprised of metal or polymer having an undulating opening surface that provides improved blood flow and washing properties while minimizing regions susceptible to stagnation, and optionally a resilient tip-protecting cage structure that reduces the risk of conduit tip suction events and suction-related injury of the wall of adjacent blood vessels or other blood containing structures. The present disclosure further relates to various outflow conduit assemblies with a conduit tip comprised of metal or polymer wherein the cross-sectional area of the lumen of the conduit or conduit tip is reduced to generate a localized jet-like fluid flow in a blood vessel segment adjacent to the conduit tip.
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