Title:
椎間板補てつ物および取付け用具
Document Type and Number:
Japanese Patent JP4226907
Kind Code:
B2
Abstract:
The present application concerns an intervertebral disc prosthesis device comprising at least three pieces, which pieces include a first plate (1) and a second plate (3) producing around at least one intermediate piece called nucleus (2), an articulation by support or sliding between loadbearing surfaces (12, 12a, 15, 21, 21 a, 23, 32) of said pieces, said device comprising a stop mechanism limiting the possibilities of movement of the nucleus, characterized in that this stop mechanism comprises at least one part (161, 163) protruding from at least one of the first plate (1) and the second plate (3), located outside the loadbearing surface (12, 12a, 15) of said plate and cooperating with a peripheral part (6) of the nucleus (2) situated outside its loadbearing surfaces (21, 21a, 23), said stop mechanism limiting both the translation and the rotation of the nucleus in a plane approximately transverse to the spinal column.
Inventors:
Bolan, Jack
Djoul Clan, Joel
Onimiyusu, Michel
Shebeth, Elbe
Alain, Jerome
Steve, Jiyan-Paul Frederick
Djoul Clan, Joel
Onimiyusu, Michel
Shebeth, Elbe
Alain, Jerome
Steve, Jiyan-Paul Frederick
Application Number:
JP2002586843A
Publication Date:
February 18, 2009
Filing Date:
May 03, 2002
Export Citation:
Assignee:
El de Ale Medical
International Classes:
A61B17/56; A61F2/44; A61B17/02; A61F2/46; A61B17/17; A61F2/00; A61F2/30
Foreign References:
| WO2000053127A1 | ||||
| WO2001019295A1 |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Akio Ichiiri
Makoto Ono
Katsuma Osaki
Mitsuaki Tsubokura
Akio Ichiiri
Makoto Ono
Katsuma Osaki
Mitsuaki Tsubokura