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Stanmore non-invasive growing arthrodesis endoprosthesis in the reconstruction of complicated total knee arthroplasty: A case report.

Gupta A, Meswania J, Blunn G, Cannon SR, Briggs TW

The Department of Orthopaedic Oncology, The Royal National Orthopaedic Hospital NHS Trust, Stanmore, Middlesex, HA7 4LP, UK. ajaygupta@hotmail.co.uk

As the number of primary and revision arthroplasties performed each year increases, the complexity of the reconstructive efforts also increases. A case of a patient with a total knee arthroplasty complicated with infection, deficient extensor mechanism, bone loss and limb shortening of 5.5 cm is reported. We describe an alternative surgical technique of reconstruction of the knee and lengthening of the limb using the Stanmore Non-Invasive Growing-Distal Femoral Prosthesis. The prosthesis had a magnetic disc attached to a gearbox. The generation of an external electromagnetic field caused the magnetic disc to rotate and lengthen the prosthesis. This reconstructive technique has not been described in the literature.

Published 15 May 2006 in Knee, 13(3): 247-51.
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