PROCESS FOR THE STERILIZATION OF A NATIVE COLLAGEN IN A LIQUID MEDIUM, A STERILE NATIVE COLLAGEN OBTAINED, COMPOSITIONS CONTAINING THE SAME AND APPLICATIONS

摘要

The invention concerns a method for preparing native collagen, comprising pretreatment of the collagen in a mixer with double transverse cutters equipped with a system controlling agitating and shearing velocity and a thermostat, and a subsequent step of sterilising the collagen in liquid medium. The invention also concerns a sterile collagen, in particular a collagen mostly of type I, in native state and in particular pharmaceutical and/or parapharmaceutical and /or medico-surgical and/or ophthalmologic an/or cosmetic compositions and applications thereof.