Body augmenter for treatment of vertebral burst fractures and vertebral compression fractures, has four sides having sloping portion near to first end, and cavity on other portion

摘要

The body augmenter (1) has a first end, a second end (14), and four sides (11). Screw hole (16) is lengthwise formed on the second end and communicating with a recess (15) on the second end. Each of the four sides has a sloping portion (12) near to the first end, and a cavity (13) on other portion. The cavities communicate with each other, and form a hollow area together.