Surgical materials and instruments

Bone cement injection molding instruments and medicinesDOMEStic PVP instruments, including a puncture needle and screw-in syringe pressure device (Shandong Guanlong Company) (Fig. Percutaneous vertebroplasty devicesRadioactive sourceThe closed radioactive isotope Contrast agentWe used 76% compound meglumine injection, packaged in 20 mL/15.2 g, with an iodine content of 370 mg/mL as a contrast agent (Schering (Guangzhou) Pharmaceutical Co., Ltd., China).