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CATHETER PUMP ASSEMBLY INCLUDING A STATOR
专利权人:
THORATEC CORPORATION
发明人:
Zijing Zeng
申请号:
US14775501
公开号:
US20160030649A1
申请日:
2014.03.05
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A catheter pump assembly is provided that includes a proximal a distal portion, a catheter body, an impeller, and a flow modifying structure. The catheter body has a lumen that extends along a longitudinal axis between the proximal and distal portions. The impeller is disposed at the distal portion. The impeller includes a blade with a trailing edge. The flow modifying structure is disposed downstream of the impeller. The flow modifying structure has a plurality of blades having a leading edge substantially parallel to and in close proximity to the trailing edge of the blade of the impeller and an expanse extending downstream from the leading edge. In some embodiments, the expanse has a first region with higher curvature and a second region with lower curvature. The first region is between the leading edge and the second region.
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中国工程科技知识中心
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