FIELD: medicine. SUBSTANCE: one should perform access to vertebral column of experimental animal from dorsal surface of its tail. Bottom is formed for implant to install it between the 3d and 4th caudal vertebrae. Implant is fixed by fixing implant-adjacent vertebrae with two vertebral fixing elements to direct then cross-sectionally through the centers of vertebral bodies mentioned at the angle of 40-50 deg. towards frontal axis coming through the center of vertebral body. One should conduct external rigid fixation of free end of every vertebral fixing element with fixing device designed as straight correct hollow hexagonal prism four mutually parallel lateral edges of which have not less than two pairs of mutually coaxial channels for vertebral fixing elements; axes of every of them cross central axis of prism and longitudinal axis of symmetry of every out of mutually parallel lateral edges of prism where channels of the given pair are situated. The present method enables to increase reliability in evaluating implant's properties, exclude possibility for lesions of blood supply sources and simplify interference technique. EFFECT: higher efficiency of modeling. 9 cl, 3 dwg, 2 tbl
