Leg exoprosthesis for adaptation to a thigh stump
AssigneeSchutt & Grundei Orthopadietechnik GmbH
InventorHans Grundei
Life of this patent
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Abstract
A leg exoprosthesis for adaptation to a thigh stump (1) has an adapter (2) for a knee joint (3), a knee joint (3) mounted thereon, and a lower leg prosthesis (4) coupled to it. On the lower leg prosthesis (4) a force-transmitting element (5) is coupled into which extending forces are introduced.
Claims5
A leg exoprosthesis for adaptation to a thigh stump (1), comprising an adapter (2) for a knee joint (3), a knee joint (3) attached thereto, a lower leg prosthesis (4) coupled on the knee joint (3), the adapter (2) having a proximal intramedullary stem element (7) at least partially covered with an open-meshed, three-dimensional spatial network structure (10) which is implantable into a tubular bone stump (8) of the thigh stump (1), the adapter (2) having a distal end provided with a coupling device (9) for connection to the knee joint, and a force-transmitting element (5) coupled to the lower leg prosthesis (4) for transmitting extensor forces to extend the knee joint (3), the force-transmitting element (5) having on its end applied to the thigh stump a connection element (6) in a form of a stirrup configured to be tied to extensor musculature of the thigh.
Dependencies are inferred from the claim text.