Fluid seals for catheter pump motor assembly
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United States of America Patent
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-
Nov 2, 2021
Grant Date -
Jan 25, 2018
app pub date -
Jul 19, 2017
filing date -
Jul 21, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A catheter pump system is disclosed. The catheter pump system can include a shaft assembly and an impeller coupled with a distal portion of the shaft assembly. A motor assembly can impart rotation on the impeller through the shaft assembly, the motor assembly comprising a motor which rotates the shaft assembly. The catheter pump system can include a fluid pathway which conveys fluid proximally during operation of the catheter pump system. A seal can be disposed between the motor assembly and the impeller. The seal can be configured to impede or prevent the fluid from the fluid pathway from entering the motor assembly at least about an outer periphery of the shaft assembly. The seal can comprise an opening through which a portion of the shaft assembly extends.
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