FIELD: medicine.
SUBSTANCE: before a surgery, two laser beams are generated by fixed emitters towards an operated extremity; one of the beams is directed to the middle of an iliac wing, and the other - onto a lateral malleolus. Laser impact positions are marked with a sterile surgical marker. After trial endoprosthesis components are installed during the surgery, a mark displacement in relation to the laser impact position is measured with the use of a sterile ruler on the malleolus in the same extremity position along its axis that is a surgical extremity length variation.
EFFECT: method enables simplifying the measuring technique, reducing the length of surgical hip replacement.
3 dwg
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