Spinal stabilization device and method
First Claim
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1. A thermally active therapeutic device for implantation into a vertebra, comprising:
- a thermally active member of indeterminate shape below a transition temperature, and said thermally active member having a determinate, coiled shape above said transition temperature, wherein said determinate, coiled shape occupies a space within a vertebral body, and wherein said transition temperature is a predetermined temperature.
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Abstract
A thermally active member comprises a shape memory material. The method of placement of the thermally active member facilitates transition of shape memory material between a simple undefined geometry, such as a substantially linear shape, to a complex predetermined shape memory form, such as a coiled shape. The preferred complex geometry may be described as an intervertebral cage or cage fusion device. The device may be placed into a space surgically created between two vertebrae through an access channel that is less than one third of its final deployed cross sectional dimension.
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28 Claims
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1. A thermally active therapeutic device for implantation into a vertebra, comprising:
- a thermally active member of indeterminate shape below a transition temperature, and said thermally active member having a determinate, coiled shape above said transition temperature, wherein said determinate, coiled shape occupies a space within a vertebral body, and wherein said transition temperature is a predetermined temperature.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
Specification