The present invention relates to a method for manufacturing a hemocompatible material comprising a synthetic substrate and animal biological tissue, according to which said animal biological tissue is dehydrated and adhered to said synthetic substrate by means of a dispersion of the material forming said synthetic substrate. According to the invention, the animal biological tissue is only dehydrated chemically by immersing said animal biological tissue in a bath consisting of a solution containing at least 80 wt % of polyethylene glycol.