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These results indicate that the prevalence of pressure ulcers in French hospital inpatients has remained stable since the last prevalence study undertaken 10 years before, when the rate was 8.9%. Such studies should be encouraged in all health-care settings as a means of improving the care provided.

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1) ObjectivesMost foot ulcers are the consequence of a trauma (repetitive high stress, ill-fitting footwear, or an object inside the shoe) associated to diabetes. They are often followed by amputation and shorten life expectancy. This paper describes the prototype of the Smart Diabetic Socks that has been developed in the context of the French ANR TecSan project. The objective is to prevent pressure foot ulcers for diabetic persons. 2) Material and methodsA fully wireless, customizable and washable "smart sock" has been designed. It is made of a textile which fibers are knitted in a way they provide measurements of the pressure exerted under and all around the foot in real-life conditions. This device is coupled with a subjectspecific Finite Element foot model that simulates the internal strains within the soft tissues of the foot. 3) ResultsA number of derived stress indicators can be computed based on that analysis, such as the accumulated stress dose, high internal strains or peak pressures near bony prominences during gait. In case of risks for pressure ulcer, an alert is sent to the person and/or to the clinician. A watch, a smart-phone or a distant laptop can be used for providing such alert.