• Katherina Richter, Katharina Krause, Robert Rotter, Dagmar-C Fischer, Horst-H Aschoff, and Thomas Mittlmeier.
• Klinik und Poliklinik für Unfall‑, Hand- und Wiederherstellungschirurgie, Universitätsmedizin Rostock, Rostock, Deutschland.
• Unfallchirurg. 2022 Apr 1; 125 (4): 266274266-274.

BackgroundAfter transfemoral amputation a prosthesis is required to restore autonomous standing and bipedal locomotion. Attachment of the prosthesis can be achieved either classically via socket suspension with a shaft in the stump or directly via implantation of an intramedullary transcutaneous femoral prosthesis (osseointegrated prosthesis).AimA fully instrumented gait analysis should enable objectification of the anticipated advantages of the EEP with respect to the gait pattern and individual mobility.Material And MethodsIn two patients with a unilateral transfemoral amputation a comprehensive gait analysis was carried out prior to and 6 months (patient 1) or 11 and 20 months (patient 2) after switching from a socket prosthesis to an EEP. This was carried out in the Gait Realtime Analysis Interactive Lab (GRAIL), a fully instrumented gait laboratory with virtual reality and enables assessment close to the conditions of daily life.ResultsIn both cases the gait analysis confirmed the advantages associated with an EEP for the transmission of force to the prosthesis and the accompanying improvement in gait symmetry.© 2022. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.

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