发明授权
US07314487B2 Intervertebral spacer device having a wave washer force restoring element
有权
具有波形垫片力恢复元件的椎间隔器装置
- 专利标题： Intervertebral spacer device having a wave washer force restoring element
- 专利标题（中）： 具有波形垫片力恢复元件的椎间隔器装置
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申请号： US10833738申请日： 2004-04-28
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公开(公告)号： US07314487B2公开(公告)日： 2008-01-01
- 发明人: James D. Ralph , Stephen Tatar , Joseph P. Errico
- 申请人： James D. Ralph , Stephen Tatar , Joseph P. Errico
- 申请人地址： US NJ Summit
- 专利权人： SpineCore, Inc.
- 当前专利权人： SpineCore, Inc.
- 当前专利权人地址： US NJ Summit
- 代理机构： Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- 主分类号： A61F2/44
- IPC分类号： A61F2/44
摘要：
An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by at least one force restoring element. The preferred force restoring mechanism is a wave washer. In a first embodiment the wave washer is ring-shaped. In a second embodiment the wave washer is spiral-shaped.
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