Surgical strategy used in multilevel cervical disc replacement and cervical hybrid surgery: Four case reports

Figure 7 The surgical procedure of continuous two-level cervical disc replacement in case 3. A: The disc space was maintained with appropriately sized implant trails; B and C: Rasping, drilling, and cutting were performed at C5/6, and the implant trail at C6/7 was reserved; D-F: Rasping, drilling, and cutting were performed at C6/7, and the implant trail at C5/6 was reserved; G and H: Artificial discs were implanted at C5/6 and C6/7 following a top-down sequence.