Implants with helical supports and methods of use for spacing vertebral members
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United States of America Patent
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Oct 19, 2010
Grant Date -
Jul 3, 2008
app pub date -
Oct 16, 2006
filing date -
Oct 16, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present application is directed to implants with inner and outer members positioned in a telescoping arrangement. The members may include helical supports to selectively adjust the height of the implant. The helical supports offer a large contact surface to prevent inadvertent reduction of the length due to application of a compressive force. In some embodiments, the helical support members may be shaped to facilitate movement of the members to increase the height. The shape may further prevent movement that would decrease the height. Some embodiments may also prevent relative rotation of the members. In use, the inner and outer members are moved apart to adjust the height of the implant to space apart the vertebral members. The members may further be constructed to prevent the members from moving together after insertion between the vertebral members.
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