Customized design and additive manufacturing of kids’ ankle foot orthosis

Purpose The purpose of this study is improvement of human gait by customized design of ankle foot orthosis (AFO). An has been the most frequently used orthosis in children with cerebral palsy. AFOs are designed to boost existing features or to avoid depression or traumatize muscle contractures. The advantages of AFO’s utilized for advancement in human walk attributes for the improvement in foot deformities patients or youngsters with spastic loss of motion. In this research on the customized design of AFO's to improve gait, there are limitations during walking of foot drop patients. In children with foot drops, specific AFOs were explicitly altered to improve parity and strength which are beneficial to walking positions. Design/methodology/approach This study proposes the customized design of AFOs using computerized and additive manufacturing for producing advances to alter the design and increase comfort for foot drop patients. Structuring the proposed design fabricated by using additive manufacturing and restricted material, the investigation was finalized at the Design Analysis Software (ANSYS). The system that performs best under investigation can additionally be printed using additive manufacturing. Findings The results show that the customized design of AFOs meets the patient’s requirements and could also be an alternative solution to the existing AFO design. The biomechanical consequences and mechanical properties of additive manufactured AFOs have been comparable to historically synthetic AFOs. While developing the novel AFO designs, the use of 3D printing has many benefits, including stiffness and weight optimization, to improve biomechanical function and comfort. To defeat the issues of foot drop patients, a customized AFO is used to improve the human gait cycle with new material and having better mechanical properties. Originality/value This research work focuses on the biomechanical impacts and mechanical properties of customized 3D-printed AFOs and compares them to traditionally made AFOs. Customized AFO design using 3D printing has numerous potential advantages, including new material with lightweight advancement, to improve biomechanical function and comfort. Normally, new applications mean an incremental collection of learning approximately the behavior of such gadgets and blending the new design, composite speculation and delivered substance production. The test results aim to overcome the new AFO structure issues and display the limited components and stress examination. The outcome of the research is the improved gait cycle of foot drop patients.

[1]  Ahmed Koubaa,et al.  Physical and Mechanical Properties of Polypropylene-Wood-Carbon Fiber Hybrid Composites , 2015 .

[2]  Eric Loth,et al.  A pneumatic power harvesting ankle-foot orthosis to prevent foot-drop , 2009, Journal of NeuroEngineering and Rehabilitation.

[3]  Daniel P. Ferris,et al.  Motor adaptation during dorsiflexion-assisted walking with a powered orthosis. , 2009, Gait & posture.

[4]  B. Dan,et al.  A report: the definition and classification of cerebral palsy April 2006 , 2007, Developmental medicine and child neurology. Supplement.

[5]  Tae-Yong Choi,et al.  Implementation of a Robot Actuated by Artificial Pneumatic Muscles , 2006, 2006 SICE-ICASE International Joint Conference.

[7]  Phoebe R. Apeagyei,et al.  Application of 3D body scanning technology to human measurement for clothing Fit , 2010, J. Digit. Content Technol. its Appl..

[8]  Harish Kumar Banga,et al.  Effect of 3D-Printed Ankle Foot Orthosis During Walking of Foot Deformities Patients , 2020 .

[9]  Harish Kumar Banga,et al.  Rapid Prototyping Applications in Medical Sciences , 2014 .

[10]  Marco Callieri,et al.  Innovative uses of 3D digital technologies to assist the restoration of a fragmented terracotta statue , 2013 .

[11]  André Bähler,et al.  The Biomechanics of the Foot , 2009 .

[12]  J. Romkes,et al.  Changes in muscle activity in children with hemiplegic cerebral palsy while walking with and without ankle-foot orthoses. , 2006, Gait & posture.

[13]  Robert J. Wood,et al.  Bio-inspired active soft orthotic device for ankle foot pathologies , 2011, 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems.

[14]  H. T. Tucci,et al.  Closed Kinetic Chain Upper Extremity Stability test (CKCUES test): a reliability study in persons with and without shoulder impingement syndrome , 2014, BMC Musculoskeletal Disorders.

[15]  Elisabet Rodby-Bousquet,et al.  Ankle-foot orthoses in children with cerebral palsy: a cross sectional population based study of 2200 children , 2014, BMC Musculoskeletal Disorders.

[16]  Jicheng Xia,et al.  Technologies for Powered Ankle-Foot Orthotic Systems: Possibilities and Challenges , 2013, IEEE/ASME Transactions on Mechatronics.

[17]  C. Capelli,et al.  3D printing assisted finite element analysis for optimising the manufacturing parameters of a lumbar fusion cage , 2019, Materials & Design.

[18]  Harish Kumar Banga,et al.  Fabrication and stress analysis of ankle foot orthosis with additive manufacturing , 2018 .

[19]  Mark Andrew Arnold,et al.  Finite element analysis of ankle foot orthoses , 1999 .

[20]  N P Reddy,et al.  Stress distribution in the ankle-foot orthosis used to correct pathological gait. , 1995, Journal of rehabilitation research and development.

[21]  Mohammad Elahinia,et al.  Adaptive ankle–foot orthoses based on superelasticity of shape memory alloys , 2015 .

[22]  Harish Kumar Banga,et al.  Three Dimensional Gait Assessment During Walking of Healthy People and Drop Foot Patients , 2017 .

[23]  Rajesh Kumar,et al.  A Novel Approach For Ankle Foot Orthosis Developed By Three Dimensional Technologies , 2017 .

[24]  Ming Zhang,et al.  A novel optimization design method of additive manufacturing oriented porous structures and experimental validation , 2019, Materials & Design.

[25]  Serdar Kucuk,et al.  A method for more accurate FEA results on a medical device developed by 3D technologies , 2018 .