| 摘要 |
Systems, bone screws, and methods for delivering a treatment agent into or near a bone, such as a vertebra are provided. The system include a hollow prosthetic vertebral body having one or more fenestrations and a liner containing a treatment agent disposed within the hollow prosthetic vertebral body. The liner is designed to provide for the controlled release of the treatment agent. Also provided are refillable cannulated bone screws having a resealable seal for delivering a treatment agent to a bone.
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