association of tru00e4gersubstrat and collagen and method of producing a tru00e4gersubstrats and interconnection

摘要

A cylindrical body is produced which is composed of a fiber structure with a basis weight of 1-50 g/m 2 and having a diameter of 0.5-50 mm and a bellows-shaped section, wherein the crest-to-crest spacing of the bellows-shaped section is no greater than 2 mm and the crest-to-valley depth of the bellows-shaped section is 0.01-1 mm; collagen is added to the cylindrical body to produce a composite comprising the cylindrical body and collagen.