Two guidewires are placed bipedicular inside the vertebral body using Jamshidi-needles. The working cannulas are mounted on a bone drill and are placed using the guidewires. The bone drill is used to create space for the two Tektona® devices. The drill and guidewires are removed afterwards. Tektona® consists of a lamella that can be sequentially expanded and retracted (Fig. (Fig.1a-f.1a-f. This step can be performed repeatingly. The Lamella can be placed more anteriorly or posteriorly as well as turned around the axis of the device. The two lamellas were removed and the cavities were filled with bone cement. Cementing was stopped on clinical judgement.

a-f Lateral views of the intraoperative setting. Sequential opening of the Tektona® blade. Notice the height restoration and uplifting of the upper endplate of the treated vertebral body): Lateral views of the intraoperative setting. Sequential opening of the Tektona® blade. Notice the height restoration and uplifting of the upper endplate of the treated vertebral body

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