Patent ID: 8323325

Claim:
A catheter system comprising: a catheter comprising a catheter shaft; an expandable balloon comprising an engagement region; a plurality of fin shaped securement members, each securement member having a first surface area and a second surface area, at least a portion of the securement members being engaged to the engagement region; and a stent having a longitudinal axis, an unexpanded configuration and an expanded configuration, the stent disposed about the catheter, the stent comprised of at least one undulating band extending circumferentially around the longitudinal axis, the at least one undulating band comprised of a plurality of interconnected strut members, each strut member having a length, the interconnected strut members forming a series of alternating peaks and valleys, two immediately adjacent strut members comprising a strut pair, the strut members of the strut pair comprising a first protuberance and a second protuberance, the first and second protuberances being positioned along the length of the respective strut member, between a peak and a valley, the first and second protuberances being substantially circumferentially opposed to one another, wherein the stent comprises a plurality of strut pairs; each first surface area of the securement member being grippedly engaged by the first protuberance in an unexpanded configuration and each second surface area of the securement member being grippedly engaged by the second protuberance in an unexpanded configuration, the plurality of securement members being disengaged from the protuberances in an expanded configuration, wherein the securement members extend outwardly from the surface of the balloon.