Patent ID: 6120558
Filing Date: 2000-09-19
Classification: A61L,D06L,Y10T

Abstract:
A process for treating a textile structure selected from the group consisting of threads, spun yarns, filaments, cords, cables and threads which may or may not have been assembled, said textile structure comprising at least one polymer of the poly (.alpha.-hydroxy-acids) family, said polymer having a molecular weight which is adaptable to obtain the textile structure; the process comprising:subjecting the textile structure to at least one treatment stage during which structure is contacted with a flow of a composition of at least one fluid in the supercritical state; andwherein composition and the duration of the treatment stage are chosen so as to eliminate impurities trapped within the structure so that the structure can subsequently be implanted in a human body or an animal body, and the integrity of the structure is at least preserved.