A composite stent-graft tubular prosthesis includes an inner PTFE tubular structure, an outer PTFE tubular structure positioned about the inner PTFE tubular structure and a diametrically deformable stent interposed between the inner and outer PTFE tubular structures. The interposed stent is formed from...http://www.google.es/patents/US6673103?utm_source=gb-gplus-sharePatente US6673103 - Mesh and stent for increased flexibility
