Fig. 6
From: The aiming device for cervical distractor pin insertion: a proof-of-concept, feasibility study
Patient 2 was performed Multilevel ACDF C3-4 C4-5 C5-6. Preoperative lateral X-ray (A), Sagittal MRI (B), Patient positioning (C), Intraoperative measurement of C3-C4-C5-C6 superior and inferior endplate angle (D), Caspar pin placement using the aiming device (E), C3-4 Caspar pin placement (F), C4-5 Caspar pin placement (G), C5-6 Caspar pin placement (H), Caspar cervical distractor system creating the working spaces (I), Postoperative lateral X-ray (J)