Patents Assigned to HANGZHOU NUOYI MEDTECH CO., LTD
  • Venous valve replacement device
    Patent number: 11478352
    Abstract: A venous valve replacement device includes a stent with a blood flow channel and two leaflets connected to the stent, wherein one side of each leaflet is configured as a fixed edge connected with the stent, and the other side is configured as a movable edge, and wherein the movable edges of the two leaflets cooperates with each other to open or close the blood flow channel, and the movable edges of the two leaflets are provided with flaps that attach to each other in a closed configuration.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: October 25, 2022
    Assignee: HANGZHOU NUOYI MEDTECH CO., LTD
    Inventors: Wei Guo, Yongsheng Wang, Jianmin Li, Jiaming Qiu