Title:
可調節型の椎骨体代替物
Document Type and Number:
Japanese Patent JP3732228
Kind Code:
B2
Abstract:
A vertebral replacement implant (20) for interposition in a space left by one or more removed vertebrae between adjacent intact vertebrae, comprising : a replacement body (21) with opposite ends sized to span a portion of the space between the intact vertebrae, said replacement body having first threads defined thereon at each of said opposite ends ; and a pair of endplates (22) each having an end surface (23) for contacting a respective one of the intact vertebrae when the implant is interposed in the space between the intact vertebrae, each of said endplates including a cylindrical portion having second threads defined thereon configured to threadedly engage said first threads on said replacement body; and characterized in that each of said endplates (22) includes a flange (35) defining said end surface (36) and extending outwardly from said cylindrical portion (37), said flange (35) including an arm (14) projecting away from said cylindrical portion (37), said arm (14) having a free end configured to extend beyond the adjacent intact vertebrae for engagement to a longitudinal member (105) disposed along the length of the spinal column.
Inventors:
Labe, Louis-Murray
Lawrence M. Boyd
Chevalier, Jean-Louis
Mouleaux, Jean-Charles
Lawrence M. Boyd
Chevalier, Jean-Louis
Mouleaux, Jean-Charles
Application Number:
JP51767296A
Publication Date:
January 05, 2006
Filing Date:
December 01, 1995
Export Citation:
Assignee:
Sofa Moore Dink Group Incorporated
International Classes:
A61F2/44; A61B17/70; A61F2/30; A61B17/02; A61B17/80; A61B17/86; A61F2/00; A61F2/28
Domestic Patent References:
| JP49011836B1 | ||||
| JP62164458A | ||||
| JP5208029A | ||||
| JP515548A | ||||
| JP5269160A |
Foreign References:
| WO1994017759A1 | ||||
| US4553273 | ||||
| US5108395 |
Attorney, Agent or Firm:
Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Tadahiko Kurita
Yasushi Kobayashi
Shigeru Ito
Shosuke Imai
Tadashi Masui
Tadahiko Kurita
Yasushi Kobayashi
Shigeru Ito