METAPHYSEAL ROD FOR PERFORMING EXTERNAL PEROSSEOUS OSTEOSYNTHESIS

摘要

FIELD: medical engineering. SUBSTANCE: device has a tapping sampling cone having conically sharpened end area of 40-45 deg with two flat facets each forming a cutting edge. The edges are sharpened and connected to each other with a cross-member. The sampling cone has teeth for cutting buttress thread profile, threaded area and tail part. Rod area covered with buttress thread has thread profile of parabolic shape. EFFECT: increased contact area; increased fixation rigidity. 2 dwg