| 发明名称 |
HIGH PRECISION MANUFACTURE OF POLYURETHANE PRODUCTS SUCH AS SPINAL DISC IMPLANTS HAVING GRADUAL MODULUS VARIATION |
| 摘要 |
A process for making a polymeric product having a gradual variation in modul us through at least a portion of the product is disclosed together with an artificial spinal disc formed using the process.
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| 申请公布号 |
CA2499645(A1) |
申请公布日期 |
2004.04.22 |
| 申请号 |
CA20032499645 |
申请日期 |
2003.10.08 |
| 申请人 |
RANIER LIMITED |
发明人 |
ANDREWS, GEOFFREY;SNELL, ROBERT;CABLE, MARTIN;JOHNSON, SCOTT |
| 分类号 |
A61F2/00;A61F2/30;A61F2/44;C08G18/08;C08G18/40;(IPC1-7):C08J5/00;B29C45/00;A61L27/18;B29C67/24 |
主分类号 |
A61F2/00 |
| 代理机构 |
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