| 发明名称 |
High precision manufacture of polyurethane products such as spinal disc implants having a gradual modulus variation |
| 摘要 |
A process for making a polymeric product having a gradual variation in modulus 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 |
US8353960(B2) |
申请公布日期 |
2013.01.15 |
| 申请号 |
US20050530919 |
申请日期 |
2005.04.08 |
| 申请人 |
RANIER LIMITED;SNELL ROBERT;ANDREWS GEOFFREY;CABLE MARTIN;JOHNSON SCOTT |
发明人 |
SNELL ROBERT;ANDREWS GEOFFREY;CABLE MARTIN;JOHNSON SCOTT |
| 分类号 |
A61F2/44;A61F2/00;A61F2/30;B29C45/00;C08G18/08;C08G18/40 |
主分类号 |
A61F2/44 |
| 代理机构 |
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代理人 |
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