The invention relates to a method for preparing a homogeneous collagen-based material by concentrating a collagen solution, in which a collagen solution is brought into contact by means of continuous injection. The invention also relates to the use of the material for tissue repair.Procédé de préparation dun matériau homogène à base de collagène par concentration dune solution de collagène, ledit procédé comprenant la mise en contact, par injection continue dune solution de collagène et utilisation du matériau pour la réparation tissulaire
