Laminoplasty Techniques for the Treatment of Multilevel Cervical Stenosis

Figure 2

In the original “Z-plasty,” after troughs are drilled at the junction between the lamina and lateral mass, the laminae are thinned, a “Z” is cut in the laminae with a drill, and, as shown here, the laminae are spread apart and held with wire or suture to maintain the expanded canal position.