Title:
BLOOD PUMP
Document Type and Number:
WIPO Patent Application WO/2023/179239
Kind Code:
A1
Abstract:
A blood pump (10), comprising: a cannula assembly (100) having an infusion cavity (130); an impeller (200) rotatably provided in the infusion cavity (130), the impeller (200) having an accommodating cavity (234) and a communication hole (232) formed thereon, the communication hole (232) being in communication with the infusion cavity (130) and the accommodating cavity (234); a rotating shaft (300) fixedly connected to the impeller (200), one end of the rotating shaft being provided with a protruding head (320) arranged in the accommodating cavity (234); and a base (400) connected to the cannula assembly (100). The base (400) comprises a support shaft (420), an end face (421) of the support shaft (420) forming a concave cavity (421a) cooperating with the protruding head (320). A flow-through gap (240) is formed between the impeller (200) and the base (400), the flow-through gap (240) being in communication with the accommodating cavity (234).
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Inventors:
ZHU YICHENG (CN)
YU SHUNZHOU (CN)
YU SHUNZHOU (CN)
Application Number:
PCT/CN2023/075748
Publication Date:
September 28, 2023
Filing Date:
February 13, 2023
Export Citation:
Assignee:
SHENZHEN CORE MEDICAL TECH CO LTD (CN)
International Classes:
A61M60/17; A61M60/226; A61M60/237; A61M60/806; A61M60/824; F16C33/10
Foreign References:
| CN114768085A | 2022-07-22 | |||
| CN107405435A | 2017-11-28 | |||
| CN2754637Y | 2006-02-01 | |||
| CN110721357A | 2020-01-24 | |||
| CN112807564A | 2021-05-18 | |||
| CN113663211A | 2021-11-19 | |||
| US20220080179A1 | 2022-03-17 | |||
| US6120537A | 2000-09-19 | |||
| CN202210275303A | 2022-03-21 |
Attorney, Agent or Firm:
SHENZHEN KEJIN INTELLECTUAL PROPERTY OFFICE (CN)
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