Invention Grant
US08882837B2 High precision manufacture of polyurethane products such as spinal disc implants having gradual modulus variation
有权
聚氨酯产品的高精度制造，如具有逐渐模数变化的脊椎盘植入物
- Patent Title: High precision manufacture of polyurethane products such as spinal disc implants having gradual modulus variation
- Patent Title (中): 聚氨酯产品的高精度制造，如具有逐渐模数变化的脊椎盘植入物
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Application No.: US11505633Application Date: 2006-08-17
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Publication No.: US08882837B2Publication Date: 2014-11-11
- Inventor: Robert Snell , Geoffrey Thomas Andrews , Martin Cable , Scott Johnson
- Applicant: Robert Snell , Geoffrey Thomas Andrews , Martin Cable , Scott Johnson
- Applicant Address: GB Cambridge
- Assignee: Ranier Limited
- Current Assignee: Ranier Limited
- Current Assignee Address: GB Cambridge
- Agency: Wolf, Greenfield & Sacks, P.C.
- Priority: GB0223327.8 20021008
- Main IPC: A61F2/44
- IPC: A61F2/44
Abstract:
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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