发明名称 |
Facet joint prosthesis measurement and implant tools |
摘要 |
The present invention provides tools and methods designed to aid in the placement of facet joint prostheses at virtually all spinal levels. One aspect of the present invention is a measurement tool for installing a cephalad facet joint prosthesis including a fixation measurement element and a support arm element. This measurement tool assists in the selection and/or configuration of a cephalad facet joint prosthesis for implantation in a patient. Another aspect is a measurement tool for installing a caudal facet joint prosthesis including a stem element and a trial caudal bearing surface element. This measurement tool assists in the selection and/or configuration of a caudal facet joint prosthesis for implantation in a patient. Yet another aspect is a measurement tool holder including a measurement surface connected to a holder element. This tool holder assists in determining the measurements obtained with the caudal facet joint prosthesis measurement tool.
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申请公布号 |
US7290347(B2) |
申请公布日期 |
2007.11.06 |
申请号 |
US20060278349 |
申请日期 |
2006.03.31 |
申请人 |
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发明人 |
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分类号 |
G01B5/24;A61B17/56;A61F2/00;A61F2/30;A61F2/44;A61F2/46 |
主分类号 |
G01B5/24 |
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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