Method and implant for expanding a spinal canal
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United States of America Patent
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-
Mar 19, 2002
Grant Date -
N/A
app pub date -
Sep 11, 2000
filing date -
Sep 11, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention expands a spinal canal by making two pedicle cuts (osteotomies) in a vertebra, separating each vertebral cut by inserting an implant into the cut which expands the spinal canal, and securing each separated vertebral cut allowing the vertebra to heal with the spinal canal expanded. The implant includes two stents, two washers, two screws and a cable. One stent is impacted into each pedicle cut in the vertebra. One screw is inserted through one washer and one stent and is threaded into an anterior portion of the vertebra for each pedicle cut in the vertebra. The cable is attached at each end to a washer and is strapped around and through a posterior portion of the vertebra to secure the posterior portion of the vertebra to the anterior portion of the vertebra, stabilizing the expanded spinal canal and allowing the vertebra to heal with the spinal canal expanded.
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