4.5K views · 182 reactions | Patients with PFFD (Proximal femoral focal deficiency) are generally constrained by limited mobility, but in Fiona's case it's clearly a non-issue! We’ve adapted an Össur Total Knee 2000 - typically used for an adult setup - into the small space we had to work with, allowing her to live her life without limitations! #pffd #proximalfemoralfocaldeficiency #prosthesis #pediatrics #astepahead #prosthetics | A Step Ahead Prosthetics | Facebook