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Type of publication: Journal Article
Type of document: Full Paper

Year: 2021

Authors: Hochgeschurz, S; Bergmeister, KD; Brånemark, R; Aman, M; Rocchi, A; Restitutti, F; Gumpenberger, M; Sporer, ME; Gstoettner, C; Kramer, AM; Lang, S; Podesser, BK; Aszmann, OC

Title: Avian extremity reconstruction via osseointegrated leg-prosthesis for intuitive embodiment.

Source: Sci Rep. 2021; 11(1):12360

Authors Vetmeduni Vienna:

Gumpenberger Michaela
Restitutti Flavia
Rocchi Attilio

Vetmed Research Units
University Clinic for Small Animals, Clinical Unit of Anaesthesiology and Perioperative Intensive-Care Medicine
University Clinic for Small Animals, Clinical Unit of Diagnostic Imaging

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.

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