Importance

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Abstract

The invention presents a rolled inner seam strap (RIS) design for open-toe footwear, like flip-flops, to address foot ulcers caused by straps. Existing designs overlook the impact of strap-induced pressure on the dorsal foot, leaving a research gap. The RIS design aims to minimize pressure and friction on the dorsal foot, particularly at the toehold area where ulcers may occur. By increasing contact area with the skin and reducing strap contact, it redistributes pressure, preventing tissue damage. A study comparing RIS to traditional straps showed significantly lower dorsal foot pressure with RIS. The RIS design offers a practical and cost-effective solution to reduce strap-induced pressure and prevent foot ulcers, particularly in resource-limited settings with limited foot care.

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First Claim