Massively prolapsed intervertebral disc herniation with interlaminar endoscopic spine system Delta endoscope: A case series

Figure 1 The interlaminar endoscopic spine system Delta 6-mm working channel endoscope. A and B: Diagrams of the interlaminar endoscopic spine system Delta 6-mm working channel endoscope and the endoscopic bur; C and D: The position of the Delta channel during the operation.

Figure 2 An endoscopic bur and bone ribbing rongeur for vertebral plate was used to remove a part of the vertebral plate and increase the laminae interval space, while the zygopophysis was protected. A: Preoperative sagittal magnetic resonance imaging (MRI) showing a far inferiorly migrated L4/L5 Lumbar disc herniation, of which the distal end was close to the inferior endplate of L5, and the spinal sac was severely compressed; B: Use of an endoscopic bur to enlarge the interlaminar space; C: Searching for the nerve roots and protruding vertebral pulp under the endoscopy; D: Postoperative re-examination with computed tomography showing the size and range of the abraded vertebral plate; E: Postoperative MRI showing no residual vertebral pulp in the case of inferiorly migrated L4/L5 lumbar disc herniation, and there was no evident compression on the spinal sac.