FIELD: medicine.
SUBSTANCE: invention relates to field of medicine, namely to dentistry, and can be applied for osteosynthesis of upper jaw in multi-segment osteotomy. Miniplate for osteosynthesis after multi-segment osteotomy of upper jaw has body of rectangular shape, an upper and two lower arms - lateral and medial, representing links of disks with openings for miniscrews and connecting elements in form of plates. Body of miniplate in the end of lower part has an opening for miniscrew in form of disk with opening. Lateral arm additionally contains holding element in form of disk and connecting rectangular-shaped element, which is continuation of said arm. Length of lateral and medial arms of miniplate between openings and opening in miniplate body has ratio 6:10. Angle of upper arm with miniplate body constitutes 170±1°. Angle of lateral arm with miniplate body constitutes 120±1°. Angle of medial arm with miniplate body constitutes 110±1°. Upper and lateral arms are placed to different sides from miniplate body.
EFFECT: invention ensures increased strength (rigidity) and reliability of fixation of osteotomised fragments of upper jaw in specified position.
3 cl, 1 ex, 1 dwg
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