Expandable spinal implant and surgical method
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United States of America Patent
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Oct 22, 1991
Issued Date -
N/A
app pub date -
Apr 19, 1990
filing date -
Nov 20, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An expandable spinal implant is disclosed. The implant includes a plurality of ribs which are deformable between first and second states. In the first state, the ribs present a generally cylindrical implant. In the expanded second state, the ribs are arced outwardly to define a generally spherical implant. A tie mechanism is provided for urging the ribs between the first and second states and for holding the ribs in the expanded state. A novel surgical method is disclosed for stabilizing the spine by inserting the implant in the first state between opposing vertebrae and expanding the implant to the second state.
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Family
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