| 摘要 |
PURPOSE: An including a ball joint part for supporting a spine is provided to prevent spine related diseases after an operation by distributing an overload around a surgical site. CONSTITUTION: A spine support rod is placed into a first main body(201) and a second main body(202) by a ball joint connector. The ball joint connector is formed at the center of the spin support rod. The ball joint connector includes a spherical projection(16) and a concave receiving part(17). The spherical projection is formed on a first body and the concave receiving part is formed on the second body. The inner surface of a spherical concave receiving part corresponds to the spherical surface of the spherical projection.
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