ARTIFICIAL FOOT (VERSIONS) Russian patent published in 2011 - IPC A61F2/66 

FIELD: medicine.

SUBSTANCE: group of inventions relates to medical equipment and can be used for prosthetics of lower extremities. In first version artificial foot contains external elastic coating and ankle support. Ankle support is located on bearing element. Bearing element has toe part, heel part and working surface. Working surface is located with possibility of interaction with concave surface curved in longitudinal plane of spring plate. Spring plate has non-coinciding in size toe, meddle and heel sections. Toe part of bearing element is connected with curved spring plate by means of travel limiter in form of cup. Cup is attached to bearing element and/or to curved spring plate. Transverse section of working surface of bearing element is arch-shaped. Heel part of bearing element and hell section of spring plate are connected with separable connection. Thickness of toe section of curved spring plate and thickness of heel section of curved spring plate are respectively equal 1/4-1/3 and 1/3-2/3 of thickness of its middle section. In second version of artificial foot toe part of bearing element is connected with curved spring plate by means of travel limiter in form of cup, which is fixed to elastic coating.

EFFECT: invention ensures high biomechanical characteristics of disabled person's walk in wide range of activities without additional regulation.

21 cl, 7 dwg