A fastener for fastening an end portion of a soft tissue graft in an opening provided in a bone of a human or animal patient, the fastener (4/5) comprising a material having thermoplastic properties for anchoring the fastener (4/5) in bone tissue and the fastener (4/5) further comprising a suture passage (4.3) for tying at least one suture extending from the end portion of the soft tissue graft to the fastener (4/5), the suture passage (4.3) comprising a mouth at a proximal fastener end, the fastener further comprises a press-fit element and an anchoring element, wherein the anchoring element comprises the material having thermoplastic properties and wherein the suture passage (4.3) is provided in the press-fit element characterized by the fact that at least one of the following conditions is fulfilled: • the press-fit element comprises a cavity (4.1), which is open at a proximal face of the press-fit element and comprises a fenestration or perforation to a circumferential surface of the press-fit element, the anchoring element is adapted to the cavity (4.1) and wherein the suture passage (4.3) extends either from an entrance on the circumferential press-fit element surface on the fastener side facing towards the graft to an exit in the cavity (4.1) or it extends through the press-fit element being neither partly nor entirely constituted by the cavity; • the press-fit element comprises at least one groove extending along its circumferential surface in a substantially axial direction, wherein the anchoring element is adapted to the at least one groove;. the fastener further comprises a press-fit element and an anchoring element, wherein the anchoring element comprises the material having thermoplastic properties and wherein the suture passage (4.3) is provided in the press-fit element characterized by the fact that at least one of the following conditions is fulfilled: • the press-fit element comprises a cavity (4.1), which is open at a proximal face of the press-fit element and comprises a fenestration or perforation to a circumferential surface of the press-fit element, the anchoring element is adapted to the cavity (4.1) and wherein the suture passage (4.3) extends either from an entrance on the circumferential press-fit element surface on the fastener side facing towards the graft to an exit in the cavity (4.1) or it extends through the press-fit element being neither partly nor entirely constituted by the cavity; • the press-fit element comprises at least one groove extending along its circumferential surface in a substantially axial direction, wherein the anchoring element is adapted to the at least one groove;. • the press-fit element comprises a cavity (4.1), which is open at a proximal face of the press-fit element and comprises a fenestration or perforation to a circumferential surface of the press-fit element, the anchoring element is adapted to the cavity (4.1) and wherein the suture passage (4.3) extends either from an entrance on the circumferential press-fit element surface on the fastener side facing towards the graft to an exit in the cavity (4.1) or it extends through the press-fit element being neither partly nor entirely constituted by the cavity; • the press-fit element comprises at least one groove extending along its circumferential surface in a substantially axial direction, wherein the anchoring element is adapted to the at least one groove;.