Management of failed total ankle replacement and massive bone cysts using impaction bone grafting and the invision total ankle replacement system Management of failed total ankle replacement and massive bone cysts using impaction bone grafting and the invision total ankle replacement system C. Gordon, M. Raglan, S. Dhar, K. Lee 07 June 2023 1Nottingham University Hospital NHS Trust, Orthopaedics, Nottingham, United Kingdom