Importance

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Abstract

An improved stent device has a body structure in tubular form sized to an organ lumen in which it is to be used and made of a wire mesh or cage structure of interwoven or interdigitated strut sections, and a plurality of focal elevating elements of relatively small point-like size or vector-like edge in an array over outer surfaces of the wire mesh or strut sections of the stent body structure. The focal elevating elements elevate the wire mesh or strut sections away from and minimize surface area contact with the organ lumen walls. They also reduce contact pressure in regions neighboring the focal elevating elements in order to minimize trauma due to contact or movement against the organ lumen walls. A preferred use for the stent device is in a blood vessel lumen, particularly to retain plaque dissection after balloon angioplasty.

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First Claim