Knitted compressive orthosis of the lower limb for treating...

Details Knitted compressive orthosis of the lower limb for treating... Knitted compressive orthosis of the lower limb for treating...

A - Human Necessities

61

F

A61F 13/08 (2006.01)

Patent

CA 2612210

The invention concerns an orthosis comprising a compressive leg part extending upwards from the ankle. The structure of the row of stitches provides for a homogeneous distribution of elastic return forces over the circumference of the orthosis along an outline corresponding to a horizontal cross-section of the limb. The stitch structure and the dimensioning of the leg part are selected so as to apply, over a region (R) included between the ankle and the knee, a therapeutic pressure once the orthosis is pulled on the limb. The average pressure Pc exerted on the central third (RC) of said compression region is higher than both the average pressure Pb exerted on the distal third (RD) and than the pressure Pd exerted on the proximal third (RP) of that same region. Pc, Pb and Pd being the pressures exerted at heights of respective points c, b and d of the Hohenstein model.

Cette orthèse comporte une partie de jambe compressive s'étendant vers le haut à partir de la cheville. La structure de la rangée de mailles assure une répartition homogène des forces de rappel élastique sur la circonférence de l'orthèse le long d'un contour correspondant à une section horizontale du membre. La structure de maille et le dimensionnement de la partie de jambe sont choisis de manière à appliquer, sur une région (R) comprise entre la cheville et le genou, une pression thérapeutique une fois l'orthèse enfilée sur le membre. La pression moyenne Pc exercée sur le tiers central (RC) de cette région de compression est supérieure à la fois à la pression moyenne Pb exercée sur le tiers distal (RD) et à la pression moyenne Pd exercée sur le tiers proximal (RP) de cette même région, Pc, Pb et Pd étant les pressions exercées aux altitudes des points respectifs c, b et d du modèle Hohenstein.

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