1. A hemostatic porous composite sponge containing i) a matrix of biomaterial and ii) one hydrophilic polymer component containing reactive groups, wherein i) and ii) bind to each other so that the reactivity of the polymer component is preserved, while bonded means that the specified polymer the component is applied to the surface of the specified matrix of biomaterial, or - the specified matrix is impregnated with the specified polymer material, or - both. The sponge according to claim 1, wherein said biomaterial is selected from the group consisting of collagen, gelatin, fibrin, polysaccharide, for example, chitosan, a synthetic biodegradable biomaterial, for example, polylactic acid or polyglycolic acid, and their derivatives. The sponge according to claim 1 or 2, wherein the hydrophilic polymer is a polyalkylene oxide polymer, particularly preferably a PEG-containing polymer, for example, a multi-electrophilic polyalkylene oxide polymer, for example, a multi-electrophilic PEG, such as pentaerythritol poly (ethylene glycol) tetrasuccinimidyl glutarate ether. The sponge according to claim 1 or 2, wherein the biomaterial is collagen and the polymer component is a pentaerythritolpoly (ethylene glycol) tetrasuccinimidyl glutarate ether, wherein the polymer form is applied to collagen. The sponge according to claim 1 or 2, wherein the biomaterial is collagen, and the polymer component is a pentaerythritolpoly (ethylene glycol) tetrasuccinimidyl glutarate ether, wherein the polymer form is impregnated into collagen. The use of a sponge according to any one of claims 1 to 5 for the treatment of damage selected from gr1. Гемостатическая пористая композитная губка, содержащаяi) матрицу из биоматериала иii) один гидрофильный полимерный компонент, содержащий реакционноспособные группыпри этом i) и ii) связываются друг с другом так, что реакционная способность полимерного компонента сохраняется, при этом связанный означает, что- указанный полимерный компонент наносится на п
