BI-PLANAR EXPANDABLE CAGE FOR SPINE
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United States of America
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Issued Date -
Nov 7, 2024
app pub date -
Jul 11, 2024
filing date -
Jul 11, 2024
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Abstract
An expandable cage for a spine includes: an upper structural body; a lower structural body; a main frame having control mechanism insertion holes formed through one side and the other side in the longitudinal direction thereof, respectively; a sagittal balance control unit coupled to one side of each of the upper structural body and the lower structural body to control a sagittal balance of a spine by adjusting a spacing distance between the upper structural body and the lower structural body; and a coronal balance control unit coupled to the other side of each of the upper structural body and the lower structural body to control a coronal balance of a spine by controlling a gradient of the upper structural body and the lower structural body by lifting or lowering the other side of each of the upper structural body and the lower structural body.
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