Patent ID: 7384427
Filing Date: 2008-06-10
Classification: A61F

Abstract:
1. A stent comprised of a tubular member comprising cylindrical lumen size-holding portions for holding a lumen of a living body open, and connecting portions for longitudinally connecting said lumen size-holding portions adjacent to one another, wherein said lumen size-holding portions are configured into repeated patterns running vertically under a condition of being developed in a plane, said repeated pattern comprising: a plurality of first curved pattern portions vertically arranged in a row and each having first and second ends and an axis extending in a lateral direction, said first curved pattern portion being composed of a semicircular or sine-wave pattern segment and two linear segments laterally extending from both ends of said semicircular or sine-wave pattern segment; second curved pattern portions each having a semicircular shape and an axis extending in a vertical direction, said second curved pattern portion connecting the first end of said first curved pattern portion located at an even-numbered position from the bottom and the first end of the first curved pattern portion located on the downside of said even-numbered, first curved pattern portion; and third curved pattern portions each having a semicircular shape and an axis extending in the vertical direction, said third curved pattern portion connecting the second end of the first curved pattern portion located at the even numbered position and the second end of the first curved pattern portion located on the upside of said even-numbered, first curved pattern portion.