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US09011538B2 Methods of spinal nucleus replacemennt 有权
脊髓核替代方法

Methods of spinal nucleus replacemennt
摘要:
A multi-piece intervertebral disc augmentation implant that may be assembled within the annulus fibrosus is disclosed. The implant may be guided into a precise location through a relatively small opening in the annulus fibrosus with the aid of an elongated guide.
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