| 发明名称 |
INTERVERTEBRAL DISC PROSTHESIS MADE FROM THERMOPLASTIC MATERIAL HAVING GRADUATED MECHANICAL PROPERTIES |
| 摘要 |
An intervertebral disc prosthesis comprises a structure having a rigid upper plate, a rigid lower plate, and a core inserted between said plates, the structure being made from thermoplastic material, the core further comprising a thermoplastic monomaterial having graduated elastic and damping properties. According to one alternative, the core is composed of an elastomeric central nucleus surrounded by one or more rings which are referred to as rings having ranks j relative to the core, and which are more rigid. |
| 申请公布号 |
US2015045890(A1) |
申请公布日期 |
2015.02.12 |
| 申请号 |
US201214114522 |
申请日期 |
2012.04.25 |
| 申请人 |
Lefebvre Jean-Marc;Seguela Roland;Frederix Caroline;Assaker Richard |
发明人 |
Lefebvre Jean-Marc;Seguela Roland;Frederix Caroline;Assaker Richard |
| 分类号 |
A61F2/44;B29C45/00;A61L27/16;A61F2/30 |
主分类号 |
A61F2/44 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. An intervertebral disc prosthesis comprising: a structure having a rigid upper plate, a rigid lower plate, and a core inserted between said plates, the structure being made from thermoplastic material, the core further comprising a thermoplastic monomaterial having graduated elastic and damping properties. |
| 地址 |
Villeneuve d'Ascq FR |
