A vascular prosthesis is constructed from a structure having interconnected, helically oriented channel-porosity to allow oriented ingrowth of connective tissue into a wall of the prosthesis. The prosthesis can have a small internal diameter of 6 mm or less. Several different methods can be used to produce...http://www.google.fr/patents/US6540780?utm_source=gb-gplus-shareBrevet US6540780 - Porous synthetic vascular grafts with oriented ingrowth channels
Porous synthetic vascular grafts with oriented ingrowth channels
