Title:
【発明の名称】回転安定性及び撓み/伸び安定性を可能にする椎間人工補装具
Document Type and Number:
Japanese Patent JPH07508444
Kind Code:
A
Abstract:
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.
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Inventors:
Jill Voir Devil
Application Number:
JP50301394A
Publication Date:
September 21, 1995
Filing Date:
June 30, 1993
Export Citation:
Assignee:
Jill Voir Devil
International Classes:
A61B17/70; A61F2/44; A61B17/84; A61F2/08; A61B19/00; A61F2/00; A61F2/30; (IPC1-7): A61F2/44
Attorney, Agent or Firm:
Kyozo Yuasa (6 people outside)