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Verfasst von:Trinler, Ursula [VerfasserIn]   i
 Heitzmann, Daniel [VerfasserIn]   i
 Hitzeroth, Sebastian [VerfasserIn]   i
 Alimusaj, Merkur [VerfasserIn]   i
 Rehg, Mathias [VerfasserIn]   i
 Hogan, Aidan [VerfasserIn]   i
Titel:Biomechanical comparison of a 3D-printed prosthetic foot with conventional feet in people with transtibial amputation
Titelzusatz:a prospective cohort study
Verf.angabe:Ursula Trinler, Daniel W.W. Heitzmann, Sebastian Hitzeroth, Merkur Alimusaj, Mathias Rehg, Aidan Hogan
E-Jahr:2023
Jahr:February 2023
Umfang:7 S.
Fussnoten:Gesehen am 22.02.2024
Titel Quelle:Enthalten in: Prosthetics and orthotics international
Ort Quelle:[Erscheinungsort nicht ermittelbar] : Wolters Kluwer, 1977
Jahr Quelle:2023
Band/Heft Quelle:47(2023), 1 vom: Feb., Seite 94-100
ISSN Quelle:1746-1553
Abstract:Introduction: - The method of 3D printing is increasingly gaining utilization in clinical applications and may support prosthetic fitting. The aim was to compare biomechanical outcomes of people with a transtibial amputation using a novel, individualizable, 3D-printed prosthetic foot (ComfyStep, Mecuris) with two conventional, widely used prosthetic feet during level ground walking using a 3D motion analysis system. - Methods: - Ten individuals with an unilateral transtibial amputation were fitted with 3 prosthetic feet (ComfyStep, Assure/Össur, DynamicMotion/Ottobock) using their current, well-fitting socket. They had at least 1 week of familiarization for each foot before gait analyses were conducted. Kinematics and kinetics as well as roll over shape (ROS) length and radius were calculated and compared between feet. - Results: - The sound side gait parameters of the participants were comparable when using different feet. However, there were differences on the affected side. The statistical analysis revealed that the 3D-printed foot differed significantly compared with the conventional feet in the following aspects: reduced range of motion, increased plantar flexion moment, reduced plantar flexion power, larger ROS radius, less favorable energy ratio, and higher overall stiffness. - Conclusion: - In principle, 3D-printed feet have advantages over conventional “off the shelf” feet, as their biomechanical characteristics could be adjusted more in detail according to the patient needs. Although, differences between conventional feet and the ComfyStep were shown. Whether these differences have a negative clinically relevant effect remains unclear. However, results suggest that commercially available 3D-printed feet should incorporate systematically better adjustments, for example, for stiffness, to enhance prosthetic performance.
DOI:doi:10.1097/PXR.0000000000000180
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1097/PXR.0000000000000180
 Volltext: https://journals.lww.com/poijournal/abstract/2023/02000/biomechanical_comparison_of_a_3d_printed.11.aspx
 DOI: https://doi.org/10.1097/PXR.0000000000000180
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1881452468
Verknüpfungen:→ Zeitschrift

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