STENT AND METHOD FOR REPAIRING PIPES
    9.
    发明公开

    公开(公告)号:EP4223253A1

    公开(公告)日:2023-08-09

    申请号:EP23179851.3

    申请日:2018-11-30

    摘要: A stent for repairing a leak in a pipe (550) carrying water, gas, and/or oil, the stent (100) comprising: a spring (510) comprising a metal wire (524) rolled into a tubular structure (511), wherein the spring (110, 510, 910) defines a wave pattern, the spring (510) defining an outer surface and an inner surface, the inner surface defining a void (120); and a seal wrapped around the outer surface of the spring (510), the stent (100) configurable in a compressed orientation, wherein the spring (510) is compressed, and an expanded orientation, wherein the spring (510) is expanded, the spring (510) biasing the stent (100) to the expanded orientation.