Importance

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Abstract

The present invention provides a catheter system which includes a catheter, an expandable balloon, at least one securement member, and a stent. The stent is disposed about the catheter and comprises at least one undulating band that extends circumferentially around the longitudinal axis of the catheter system. The undulating band includes interconnected strut members which form a series of alternating peaks and valleys. Adjacent strut members comprise a strut pair, wherein each strut member of the strut pair includes a protuberance positioned along the length of the strut member, between a peak and a valley. The protuberances, which are substantially circumferentially opposed to one another, engage a securement member, thereby minimizing lateral stent movement on the delivery system during delivery.

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First Claim