Avian extremity reconstruction via osseointegrated leg-prosthesis for intuitive embodiment

Sarah Hochgeschurz, Konstantin D Bergmeister, Rickard Brånemark, Martin Aman, Attillio Rocchi, Flavia Restitutti, Michaela Gumpenberger, Matthias E Sporer, Clemens Gstoettner, Anne-Margarete Kramer, Susanna Lang, Bruno K Podesser, Oskar C Aszmann

Research output: Journal article (peer-reviewed)Journal article

1 Citation (Scopus)


For large avians such as vultures, limb loss leads to loss of ambulation and eventually death from malnutrition. Prosthetic devices may replace the limb, however, conventional prosthetic sockets are not feasible in feathered limbs and the extreme stress and strain of unreflected daily use in animals. Osseointegration is a novel technique, where external prosthetic parts are connected directly to a bone anchor to provide a solid skeletal-attachment. This concept provides a high degree of embodiment since osseoperception will provide direct intuitive feedback allowing natural use of the limb in gait and feeding. Here we demonstrate for the first time an osseointegrated bionic reconstruction of a limb in a vulture after a tarsometatarsal amputation with a longterm follow-up.

Original languageEnglish
Article number12360
Pages (from-to)12360
JournalScientific Reports
Issue number1
Publication statusPublished - Dec 2021


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