Knitted Compressive Orthosis of the Lower Limb for Treating Chronic Venous Insufficiency
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United States of America Patent
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Issued Date -
Sep 24, 2009
app pub date -
Jun 7, 2006
filing date -
Jun 16, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This orthosis comprises a compressive leg portion extending upwards from the ankle. The structure of the row of stitches ensures a uniform distribution of the resilient return forces at the circumference of the orthosis around an outline corresponding to a horizontal section of the limb. The stitch structure and the dimensioning of the leg portion are selected in such a manner as to apply on a region (R) extending between the ankle and the knee, a therapeutic pressure once the orthosis has been put on the limb. The mean pressure Pc exerted on the center third (RC) of said compression region is greater both than the mean pressure Pb exerted on the distal third (RD) and than the mean pressure Pd exerted on the proximal third (RP) of said region, Pc, Pb, and Pd being the pressures exerted at the respective heights of points c, b, and d of the Hohenstein model.
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