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Fig. 3 | Journal of Orthopaedic Surgery and Research

Fig. 3

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

Fig. 3

The targeted and quantificational foraminoplasty process: a, b Following Kirschner wire insertion, the double-cannula device with a properly predetermined diameter was inserted and rotated for a predetermined trajectory. c, d Foraminoplasty was performed by a trephine; the exiting nerve root was excluded from the working zone and the Kirschner wire acted as a steady pivot

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X