| 摘要 |
PCT No. PCT/FR94/00887 Sec. 371 Date Feb. 27, 1996 Sec. 102(e) Date Feb. 27, 1996 PCT Filed Jul. 15, 1994 PCT Pub. No. WO95/05784 PCT Pub. Date Mar. 2, 1995An ancillary equipment for exerting and maintaining a force on a portion of the vertebral column for correcting and maintaining the shape and/or forces exerted on the vertebrae before and during a fixing operation of implanted rachidian instrumentation, comprising at least two active extremities (4, 5, 6) for cooperating respectively with two distinct vertebrae, comprising control rods for adjusting and maintaining the relative positions of the active extremities (4, 5, 6) in at least three orthogonal directions, by adjusting and maintaining the relative position of each active extremity (4, 5, 6) in at least one of said directions. |
