| 摘要 |
A prosthetic ligament fixation system which comprises a prosthetic ligament (15) which can be taken through first and second bone tunnels (13, 14) formed in adjoining bones (11, 12) of a bone joint (10), a first fixing device (16) for holding one end of the ligament at or near to one end (19) of the first bone tunnel (13) and intended to seat itself on the surface of the bone surrounding entrance (19) to the bone tunnel (13) and a second fixing device (18) for holding an opposite end of the ligament (15) at or near to one end of the second bone tunnel (14) in which the first fixing device comprises an annular seating device (20) with an annular bearing surface (20a) on its underside to seat on the surrounding surface of the bone at the entrance (19) to the first bone tunnel (13) and also comprising a U-shaped cradle (22) adjustably mounted on, and extending away from seating device (20) to be located in the first bone tunnel (13) whereby the cradle (22) holds one end of the ligament but is capable of adjusting its position relative to the seating device (20) if necessary, so that the seating device can apply substantially uniform bearing pressure while the ligament (15) can extend along the bone tunnels (13, 14) without coming into engagement with the walls of the tunnels. |
