1. A material for the treatment of nerve dysfunction, including a hydrogel derived polysaccharide, characterized in that in a 0.5 wt.% Aqueous solution, the complex module is from 1 to 1000 N / m, and the loss coefficient is from 0.01 to 2, 0, which was measured at an angular velocity of 10 rad / s using a device for measuring dynamic viscoelasticity. 2. The material of claim 1, wherein the polysaccharide derivative is a cellulose derivative. The material according to claim 1, wherein the polysaccharide derivative is a cellulose derivative having repeating units represented by the following formula: where R, R and R are each independently selected from the group consisting of the following formulas (a), (b) (c) and (d ): where X in formula (c) is an alkali or alkaline earth metal, R and R in formula (d) are each independently a C1-6alkyl group or an alkenyl group, the total degree of substitution (b) and (c) is from 0.3 to 2.0 degree substitution (d) is from 0.001 to 0.05.4. The material according to claim 3, in which R and R are Salkenyl groups. The material according to claim 3, in which RCO - and / or RCO are an oleoyl group. Material according to any one of claims 1 to 5, containing from 0.1 to 1.5 parts by weight polysaccharide derivative per 100 parts by weight water. 7. A material according to any one of claims 1 to 5, which is a material for treating peripheral nerve dysfunction. The material of claim 7, wherein the peripheral nerve dysfunction is an impingement syndrome. A material according to any one of claims 1 to 5, which is a material for treating central nerve dysfunction. A material according to any one of claims 1 to 5, which is a material for treating sciatic nerve dysfunction. Material according to any one of claims 1 to 5, having the effect of improving the speed of1. Материал для излечения дисфункции нервов, включающий гидрогель производного полисахарида, отличающийся тем, что в 0,5 мас.%-ном водном растворе комплексный модуль составляет от 1 до
