| 摘要 |
PCT No. PCT/FR93/00664 Sec. 371 Date Feb. 8, 1995 Sec. 102(e) Date Feb. 8, 1995 PCT Filed Jun. 30, 1993 PCT Pub. No. WO94/01057 PCT Pub. Date Jan. 20, 1994A prosthesis including (a) a flexible ligament (1) with a first narrowed thinner portion (2) and a second wider portion (3) forming an extension of, and having a greater width and thickness (e2) than, the first portion, which portion may be passed around the spinous processes (12) of two adjacent vertebrae (L5, L4) in a figure eight pattern, whereas the second portion circles around the processes; (b) a semi-flexible interprocess block (6) with two pairs of through-channels (7, 8) having differing cross-sections and receiving the respective portions of the ligament; and (c) members (4, 5) for joining the ends of the ligament. The prosthesis prevents sagittal and frontal lumbar vertebral rotational instability. |
