目的：评价单球囊后凸成形术治疗骨质疏松性椎体压缩骨折的效果。

OBJECTIVE: To evaluate the therapeutic effect of single balloon kyphoplasty using extrapedicular approach in patients with osteoporotic vertebral compression fractures.

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目的探讨经皮椎体成形术治疗骨质疏松性椎体压缩骨折的临床效果。

Objective To study the clinical effect of vertebroplasty on vertebral compression fracture with osteoporosis.

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目的设计记忆合金椎体螺纹撑开器，用来治疗骨质疏松性椎体压缩骨折。

Objective To design a kind of memory alloy springs, which can be used in treatment of osteoporosis vertebral compressed fracture.

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