University of Twente Student Theses
Personalized 3D printed offloading insole to reduce plantar pressure at high-pressure areas
Ramselaar, M.S. (2024) Personalized 3D printed offloading insole to reduce plantar pressure at high-pressure areas.
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| Full Text Status: | Access to this publication is restricted |
| Embargo date: | 1 April 2025 |
| Abstract: | Introduction: An essential cornerstone for the treatment of diabetic foot ulcers (DFUs), is plantar tissue stress offloading. This study developed 3D printed personalized offloading insoles using computer aided design (CAD), to reduce plantar pressure at high-pressure areas without increasing overall plantar pressures. Method: 3D printed insoles were designed for healthy subjects. These insoles were personalized based on a semi-weightbearing foot shape and had a reduced stiffness in measured high-pressure areas. Results: The 3D printed insoles that were personalized for shape and stiffness using CAD and/or FE models, demonstrated a reduced peak pressure (58%) and pressure time integral (37%) at high-pressure areas, when comparing to flat insoles. Pressure distribution also shifted, reducing plantar pressures on metatarsals, and redistributing them to the midfoot and heel. Subjective assessments indicated increased comfortability when wearing the 3D-printed insoles. Conclusion: Promising advancements were presented in reducing plantar pressure with 3D printed personalized offloading insoles. This approach will potentially allow for a reliable and quantitative evaluation of offloading devices. Further research with larger sample sizes, including diabetic patients with a DFU, and longitudinal studies is essential to establish the clinical efficacy these offloading devices in treating DFU, and preventing DFU in diabetic patients. |
| Item Type: | Essay (Master) |
| Faculty: | TNW: Science and Technology |
| Subject: | 44 medicine, 50 technical science in general |
| Programme: | Technical Medicine MSc (60033) |
| Link to this item: | https://purl.utwente.nl/essays/98358 |
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