Standardized Study Protocol of Percutaneous Vertebroplasty Based on Pedicle Nine-Grid Zoning Method

The goal of this clinical trial is to verify the safety and efficacy of the pedicle "Nine-grid Zoning Method" in assisting percutaneous vertebroplasty (PVP) for the treatment of lumbar osteoporotic vertebral compression fractures (OVCF) in adults. It also aims to standardize the puncture path of PVP and optimize the intraoperative operation process. The main questions it aims to answer are: * Does the "Nine-grid Zoning Method" significantly increase the rate of achieving ideal intraoperative puncture endpoints and reduce operative time compared with the traditional pedicle puncture method? * Does the novel puncture method reduce intraoperative fluoroscopy times, radiation exposure, and the incidence of postoperative bone cement leakage without increasing surgical risks? Researchers will compare the modified PVP assisted by the "Nine-grid Zoning Method" (experimental group) with conventional PVP adopting the traditional "10 o'clock/2 o'clock" pedicle puncture point (control group) to confirm the clinical superiority and safety of the new standardized puncture path. Participants will: * Receive unilateral transpedicular PVP surgery via either the nine-grid zoning puncture path or the traditional puncture path for single-segment acute lumbar OVCF * Complete preoperative baseline examinations including bone density detection, VAS pain score, ODI functional score and SF-36 quality of life score assessment * Receive standardized intraoperative data recording covering operative t…

This description comes directly from the study's public registry record.

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