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 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 |
US2007050038(A1) |
申请公布日期 |
2007.03.01 |
申请号 |
US20060505633 |
申请日期 |
2006.08.17 |
申请人 |
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发明人 |
SNELL ROBERT;ANDREWS GEOFFREY;CABLE MARTIN;JOHNSON SCOTT |
分类号 |
A61F2/44;A61F2/28 |
主分类号 |
A61F2/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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