Structural Preservation Percutaneous Endoscopic Lumbar Interlaminar Discectomy for L5-S1 Herniated Nucleus Pulposus

Figure 3

Images during the endoscopic discectomy with annular sealing. (a) Before annular sealing, annular defect was seen (black arrow). (b) Annular sealing using bipolar coagulation. (c) After annular sealing, the annular defect became smaller (black arrow).

(a)

(b)

(c)