Barcode-based Navigation Concept for Autonomous Wheelchairs and Walking Frames. - Gerald Bieber; Niklas Antony; Dimitri Kraft; Bernd Hölle; Dennis Blenke; Peter Herrmann (PETRA, 2021)

Determination of the healing corridor of patients with knee arthroplasty by a motor-powered rollator. - Gerald Bieber; Dimitri Kraft; Bernd Hölle; Dennis Blenke; Rainer Bader; Peter Herrmann (PETRA, 2022)