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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Application of a targeted and quantificational foraminoplasty device in percutaneous transforaminal endoscopic discectomy for L5–S1 disc herniation: preliminary clinical outcomes

Fig. 2

Schematic diagram of the ZESSYS device: The black line segment represents the Kirschner wire, acting as a steady pivot for the double-cannula device. The purple graphics represents the double-cannula device that can be rotated with the Kirschner wire as a center to find proper foraminoplasty trajectory and achieve quantificationally decompression by selection of four different sizes

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X