| 摘要 |
A spacer used for maintaining an interval between spinous processes of spine, capable of preventing unnecessary damage to vertebras, simplifying the surgical operation, and reducing the time taken for the surgical operation by implementing a new vertebra fastening means for strongly maintaining a state of extending an interval between spinous processes by using a shape memory material which can be restored by body temperature. In addition, such a spacer may be capable of easily insertion in a lateral direction, thereby reducing a cut portion for the surgical operation and avoiding unnecessary cutting of a ligament fastening the spinous processes. In addition, there is provided a spacer for use in a surgical operation for spinous processes of spine, capable of enabling the spine to move according to patient's movement by providing an elastic vertebra fastening means, so that the patient can move smoothly after the surgical operation.
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