METHOD FOR DETERMINING CONTRAINDICATIONS TO MINIMALLY INVASIVE KNEE REPLACEMENT Russian patent published in 2014 - IPC A61B5/00 

FIELD: medicine.

SUBSTANCE: patient's medical history is collected with physical examination, palpation and goniometry of a knee. The knee joint is X-rayed in a frontal and lateral projection of a patella in an axial Merchant projection. The bars to a joint replacement procedure are found, including: cicatrical changes of a quadriceps muscle of thigh, previous inflammatory diseases of the knee joint, a low position of patella, developed muscles of thigh, flexion contracture more than 20°, movement amplitude in the knee joint less than 100°, varus or valgus more than 15°, previous injuries, fractures of the patella, two- or three-lobe patella, aseptic necrosis of an upper pole of the patellar, Pellegrini-Stieda disease, femoral condyle dysplasia, positive shortening test of the quadriceps muscle of thigh, massive hyperplastic proliferated osteoarthrosis, atrophic thin skin, hypermobility syndrome, total ligamentous apparatus involvement, fixed knee position in an incomplete displacement position, synovial osteochondromatosis, pigmented villonodular synovitis.

EFFECT: method for determining contraindications enables selecting the patients for the minimally invasive knee replacement.

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