A prosthesis for replacing parts of arteries and other blood vessels preferably has an inner tube suitable for use as a vascular graft in combination with external longitudinal ribs and a surrounding wrap which provides radial and longitudinal strength and resistance to kinking. The ribs separate the...http://www.google.com/patents/US4969896?utm_source=gb-gplus-sharePatent US4969896 - Vascular graft prosthesis and method of making the same
