Disclosed is a tubular microporous prosthesis formed by rolling a flexible sheet around a longitudinal axis. Preferably, the prosthesis is self expandable under the radially outwardly directed spring bias of the rolled sheet. At least a portion of the sheet may be provided with a coating to affect the...http://www.google.de/patents/US6120535?utm_source=gb-gplus-sharePatent US6120535 - Microporous tubular prosthesis
