The technical result of the utility model is the ability to fix uniformly mikroosteotomy shape memory in a broad range of given parameters: length from 24 mm to 50 mm and a diameter of 0.5 to 1.8 mm. For this retainer microtools for osteotomy of the jawbone formed from NiTi shape memory effect in the form of a cylinder with a through longitudinal opening, at a distance of 5-10 mm from the base of the cylinder perpendicular to the cylinder axis has a blind hole to center through the longitudinal opening, with a blind hole adapted for threaded clamping screw. Thus the length of the latch is 20 mm, diameter - 6 mm and the diameter of the through holes - 1.1 mm or 1.7 mm or 1.9 mm.
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