KAFO

Knee-ankle-foot orthosis (KAFOs)

A knee-ankle-foot orthosis (KAFO) is an orthosis that encumbers the knee, ankle and foot. Motion at all three of these lower limb areas is affected by a KAFO and can include stopping motion, limiting motion, or assisting motion in any or all of the three planes of motion in a human joint: saggital, coronal, and axial. Mechanical hinges, as well as electrically controlled hinges have been used. Various materials for fabrication of a KAFO include but are not limited to metals, plastics, fabrics, and leather. Conditions that might benefit from the use of a KAFO include paralysis, joint laxity or arthritis, fracture, and others. Although not as widely used as knee orthoses, KAFOs can make a real difference in the life of a paralyzed person, helping them to walk therapeutically or, in the case of polio patients, on a community level. These devices are expensive and require maintenance. Some research is being done to enhance the design; even NASA helped spearhead the development of a special knee joint for KAFOs

source: Wikipedia

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