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    • 2. 发明专利
    • METHOD FOR LIMITING DIFFUSION OF WEAR DEBRIS OF IN VIVO IMPLANT
    • CA3124739A1
    • 2020-07-02
    • CA3124739
    • 2019-12-13
    • LI KAI
    • LI KAI
    • A61F2/36
    • Disclosed are a method for limiting diffusion of wear debris of an in vivo implant, and an in vivo implantation device having a wear debris limiting function. In the present invention, an elastic sealing member is provided at a wear portion between implant components that can move relatively and cause wear, such that a wear debris outlet of an implant is always sealed within a sealed area formed by the sealing member and the implant components to prevent wear debris from diffusing outwards; the elastic sealing member at least comprises a flexible buffer portion; and the flexible buffer portion is used for reducing or completely offsetting relative movement between the implant components, thereby reducing the wear of a sealing portion of the elastic sealing member due to the relative movement between the components. According to the present invention, the problem of wear debris escape is solved; the sealing member is tightly attached to the components of the implant, such that the wear debris cannot escape; and a force of friction between the sealing member and the implant is less than a force for driving the components to move relatively, such that the relative movement between the components cannot be stopped.