Adjustable devices for treating arthritis of the knee

摘要

According to some embodiments, systems and methods for changing an angle of a tibia of a subject having arthritis are provided. A system for changing an angle of a tibia of a subject having osteoarthritis of the knee includes: a non-invasively adjustable implant comprising an adjustable actuator configured to be placed inside a longitudinal cavity within the tibia, and having an outer housing and an inner shaft, telescopically disposed in the outer housing, the outer housing configured to couple to a first portion of the tibia, and the inner shaft configured to couple to a second portion of the tibia, the second portion of the tibia separated at least partially from the first portion of the tibia by an osteotomy; and a driving element comprising a permanent magnet and configured to be remotely operable to telescopically displace the inner shaft in relation to the outer housing.