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Insole for reducing peak pressures under a foot

Reints, R., Hijmans, J. M., Verkerke, G. J. & Postema, K., 19-Mar-2020, Patent No. WO2020055238, 15-Aug-2019, Priority date 12-Sep-2018

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The invention provides an insole (1) comprising a plurality of supporting elements (5A, 5B, 5C) distributed over the insole surface for resiliently supporting a foot. Each supporting element comprises a main supporting portion (9) having a narrowing outer shape, and a widening circumferential buckling wall (7) designed to have a buckling behaviour such that: (i) the buckling wall collapses in reaction to a condition in which an external compressive force exceeds a first force threshold (F1); and (ii) if thus being collapsed, the buckling wall resiliently expands in reaction to a condition in which said external compressive force falls below a second force threshold (F2), which is lower than the first force threshold. In use the insole provides a highly effective dynamically self-adjusting pressure distribution reducing peak pressures under a foot, dynamically when the patient walks. In addition, the insole is compact, non complex, easy to produce, durable and reliable.
Original languageEnglish
Patent numberWO2020055238
Priority date12/09/2018
Filing date15/08/2019
Publication statusPublished - 19-Mar-2020

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