An endoluminal vascular device having a plurality of predetermined boding locations between respective first and second covering members to selectively encapsulate a support member. Selective bonding between the first and second covering members results in unbonded slip pockets to accommodate movement...http://www.google.com.au/patents/US20030216805?utm_source=gb-gplus-sharePatent US20030216805 - Selective adherence of stent-graft coverings