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Design and Development of a Powered Myoelectric Elbow Orthosis for Neuromuscular Injuries.
Vignola, Claudio; Bhat, Sandesh G; Hollander, Kevin; Kane, Paul; Miller, Emily; Martin, William Brandon; Shin, Alexander Y; Sugar, Thomas G; Kaufman, Kenton R.
Afiliación
  • Bhat SG; Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA.
  • Hollander K; Augspurger Komm Engineering, Inc., Phoenix, AZ 85040, USA.
  • Kane P; Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA.
  • Miller E; Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA.
  • Martin WB; Augspurger Komm Engineering, Inc., Phoenix, AZ 85040, USA.
  • Shin AY; Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA.
  • Sugar TG; Ira A. Fulton Schools of Engineering, Arizona State University, Mesa, AZ 85212, USA.
  • Kaufman KR; Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA.
Mil Med ; 189(Suppl 3): 585-591, 2024 Aug 19.
Article en En | MEDLINE | ID: mdl-39160856
ABSTRACT

INTRODUCTION:

Recovering from neuromuscular injuries or conditions can be a challenging journey that involves complex surgeries and extensive physical rehabilitation. During this process, individuals often rely on orthotic devices to support and enable movement of the affected limb. However, users have criticized current commercially available powered orthotic devices for their bulky and heavy design. To address these limitations, we developed a novel powered myoelectric elbow orthosis. MATERIALS AND

METHODS:

The orthosis incorporates 3 mechanisms a solenoid brake, a Bowden cable-powered constant torque elbow mechanism, and an extension limiter. The device controller and battery are in a backpack to reduce the weight on the affected arm. We performed extensive calculations and testing to ensure that the orthosis could withstand at least 15 Nm of elbow torque. We developed a custom software effectively control the orthosis, enhancing its usability and functionality. A certified orthotist fitted a subject who had undergone a gracilis free functioning muscle transfer surgery with the device. We studied the subject under Mayo clinic IRB no. 20-006849 and obtained objective measurements to assess the orthosis's impact on upper extremity functionality during daily activities.

RESULTS:

The results are promising since the orthosis significantly improved elbow flexion range of motion by 40° and reduced compensatory movements at the shoulder (humerothoracic joint) by 50°. Additionally, the subject was able to perform tasks which were not possible before, such as carrying a basket with weights, highlighting the enhanced functionality provided by the orthosis.

CONCLUSION:

In brief, by addressing the limitations of existing devices, this novel powered myoelectric elbow orthosis offers individuals with neuromuscular injuries/conditions improved quality of life. Further research will expand the patient population and control mechanisms.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Aparatos Ortopédicos / Diseño de Equipo Límite: Humans Idioma: En Revista: Mil Med Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Aparatos Ortopédicos / Diseño de Equipo Límite: Humans Idioma: En Revista: Mil Med Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido