Endoscopic clip device and clip
    1.
    发明授权

    公开(公告)号:US10646228B2

    公开(公告)日:2020-05-12

    申请号:US15559641

    申请日:2015-08-21

    摘要: An endoscopic clip device including a clip, a treatment instrument body comprising a sheath, an operation wire, and a distal connection portion, a sleeve accommodated inside the sheath and accommodating the connection portion in distal portion of the wire such that portion of inner diameter of the sleeve is smaller than outer diameter of the locking portion when the connection portion is drawable from the accommodation portion. The sleeve has diameter enlargement portion on distal side of the sleeve and elastically self-openable, a diameter reduction step portion on proximal side of the enlargement portion, and a sleeve body positioned on the proximal side of the enlargement portion from the step portion and having radial rigidity higher than that of the enlargement portion, and the inner diameter of the sleeve body is smaller than the outer diameter of the locking portion when the connection portion is drawable from the accommodation portion.