Skip to main content
. 2021 Mar 23;21:161. doi: 10.1186/s12893-021-01163-w

Fig. 1.

Fig. 1

 A V-shaped osteotomy was performed on the L4 inferior articular facet and L5 superior articular facet from top to bottom, using an osteotome to create a V-shaped groove on either side of the L4/5 segment (a, c). The autogenous bone chips from the laminectomy were then implanted into these grooves (b, d)