On the basis of the Department’s of neurosurgery and normal anatomy of the Military medical Academy n. a. S. M. Kirov the study is devoted to the development of a domestic static interspinous implant with the aim of using it to stabilize the vertebral motor segment after lumbar microdiscectomy. In addition to the interspinous implant itself the necessary devices for its installation have been developed and the technology of stabilization the vertebral motor segment after lumbar microdiscectomy on cadavers has been tested.