This study aims to analysis the efficacy of the 3D printing percutaneous guide template in combination with the pointed lotus-style regulator in percutaneous pedicle screw fixation.
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First puncture success rate,number of insertions before reaching the desired position, number of fluoroscopy before reaching the desired position, radiation dosage before reaching the desired position, operation time before reaching the desired position
Timeframe: twenty months
VAS scores after surgery
Timeframe: twenty-two months