FIELD: medical engineering. SUBSTANCE: device has upper and lower bearing units. The lower bearing unit is optionally manufactured in rectangular form with a through hole and hook at the end of up to 30 mm length. The hook is manufactured as an arc turned outward with supporting platform of the same size with sacral wing to enable it to embrace the sacral wing by 80-90 deg. EFFECT: enhanced effectiveness of treatment; increased support area when setting the device on the lateral mass of the sacrum; high stability of the structure. 2 dwg
