Motor assembly with heat exchanger for catheter pump
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United States of America Patent
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Jun 5, 2018
Issued Date -
Aug 24, 2017
app pub date -
May 8, 2017
filing date -
Jan 22, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A catheter pump is disclosed. The catheter pump can include an impeller and a catheter body having a lumen therethrough. The catheter pump can also include a drive shaft disposed inside the catheter body. A motor assembly can include a chamber. The motor assembly can include a rotor disposed in the at least a portion of the chamber, the rotor mechanically coupled with a proximal portion of the drive shaft such that rotation of the rotor causes the drive shaft to rotate. The motor assembly can also comprise a stator assembly disposed about the rotor. The motor assembly can also include a heat exchanger disposed about the stator assembly, the heat exchanger may be configured to direct heat radially outward away from the stator assembly, the rotor, and the chamber.
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