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Changsheng Ma

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  • Shanghai, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    BALLOON CATHETER RETRACTOR
    • Publication number 20240307046
    • Publication date Sep 19, 2024
    • Shanghai Keci Medical Technology Co., LTD
    • Zhichao Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BALLOON CATHETER RETRACTOR
    • Publication number 20240008864
    • Publication date Jan 11, 2024
    • Shanghai Keci Medical Technology Co., LTD
    • Zhichao Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    CURVED BALLOON CATHETER RETRACTOR
    • Publication number 20230149673
    • Publication date May 18, 2023
    • Shanghai Keci Medical Technology Co., LTD
    • Zhichao Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HUMAN CAVITY INNER WALL THREE-DIMENSIONAL MAPPING METHOD, EQUIPMENT...
    • Publication number 20120004540
    • Publication date Jan 5, 2012
    • MICROPORT MEDICAL (SHANGHAI) CO., LTD.
    • Daozhi Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE