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US07824444B2 Expandable spherical spinal implant 有权
可扩展球形脊柱植入物

Expandable spherical spinal implant
Abstract:
A prosthetic implant for forming a support structure between adjoining vertebrae in a spinal column. The prosthetic implant includes a generally spherical or ellipsoidal body that at least partially engages a surface of adjacent vertebrae.
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