Fig. 1From: Clinical application of a modified percutaneous vertebroplasty instrument in vertebral body biopsy in adultsModified puncture device. AÂ Modified OSBF (pipe diameter: 3.4/3.6 mm,length: 195 mm) and casing channel (pipe diameter: 4.0/4.2 mm,length: 125 mm); BÂ Modified OSBF combined with casing channel; CÂ Jagged edges of modified OSBF; DÂ Distal-end appearance after the modified OSBF and casing channel combinationBack to article page