In-office printed 3d orthotics

NewsBot · Dec 20, 2015

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New 3D Printing Technology Helps Enable Customized, In-Office-Printed Orthotics

This is possible via a new 3D printing system, created and patented by OLT Footcare, that enables orthotics to be fit, adjusted, and remade, if needed, in the office, on the same day
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NewsBot · Dec 20, 2015

http://www.oltfoot.com/

NewsBot · Nov 1, 2023

Improvement of Mechanical Properties of Personalized Insole Manufactured with Selective Laser Sintering Based on Process Parameter Optimization and Cell Structure Design
Junchao Li et al
3D Print Addit Manuf. 2023 Oct 1;10(5):992-1002

Personalized insoles manufactured with selective laser sintering (SLS) technology are popular especially for exercisers and patients with foot diseases. However, insufficient strength and toughness of personalized insoles would result in crack and even fracture. To address these deficiencies and fill the research shortages in this area, optimization of process parameters and design of cell structures are conducted to improve the mechanical performance of insoles in this topic. First, six sets of process parameters in terms of energy density were designed for parameter optimization. The energy density of 0.08 J/mm2 was affirmed to be the finest selection. Then, specific cell structures featuring both whale shark and ancient soldier armor (WS structures for short) with various curvature radius were established to act on the bottom of the insole to further strengthen the personalized insoles. It was shown that the WS14 structure exhibited the best performance characteristics. Finally, a personalized insole with the array of WS14 structures was developed with SLS under the optimum energy density of 0.08 J/mm2. Finite element method analysis and exercising testing were performed to evaluate the insole performance. The result reveals that a more uniform stress distribution is attained of the WS14 personalized insole, and the fracture problem is indeed solved.
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NewsBot · Dec 28, 2023

3D Printed Customized Diabetic Foot Insoles with Architecture Designed Lattice Structures - A Case Study
Ravi Kumar, Saroj Kumar Sarangi
Biomed Phys Eng Express. 2023 Dec 19.

This study proposes a 3D printed, custom insole using an architectural lattice structure infill targeting diabetic patients at risk of foot ulcers. An analysis of five lattice configurations: Fluorite, Kelvin, Octet, Isotruss unit cells, and Truncated Octahedron was conducted to identify the most effective insole infill for plantar pressure and weight redistribution. The Kelvin lattice demonstrated minimal stiffness, suggesting its superiority in balancing plantar pressure and weight. Such lattice-structured insoles offer enhanced foot support and cushioning, crucial for ulcer-prone individuals. This research innovatively employs architectural lattice structures in designing insoles for diabetic patients, offering an insightful comparison of lattice designs for optimized foot care.
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