The antiprotrusion ring is made in the form of a hemisphere. In the diametral part of the ring there is a collar resting on the edge of the acetabulum during insertion.
In addition, in the diametral part there are protruding elements in the form of petals for fixation to the iliac and sciatic bones. It is made of titanium alloy, which, in comparison with imported products, provides high biological and mechanical compatibility with the body, high corrosion resistance to reduce the risk of infectious complications.
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