An implant (1；18；19) for percutaneous implantation through the abdominal wall serves for encircling and engaging a body duct (23) of a human or animal patient, said implant (1；18；19) is of the kind comprising an exterior ring section (2) protruding outwardly from the abdominal wall (27,28) with a free end (7,8,10), which serves for mounting of a detachable device. The implant has an interior section (3) extending through the abdominal wall (27,28) and inside the patient for internal fixation of the implant (1；18；19). The interior section (3) comprises an intermediate section (4) extending into an anchoring section (5). The intermediate section (4) consists of radially spaced apart first connection members (11) connecting the exterior ring section (2) with the anchoring section (5). The internal circumference of at least a part of the exterior ring section (2) above the interior section (3) is arranged with a biocompatible, integrated ingrowth means (6；6') for the exterior surface (26) of the body duct (23) wall.
