| abstract |
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. |