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Combination arterial stent

  • US 5,782,906 A
  • Filed: 10/24/1996
  • Issued: 07/21/1998
  • Est. Priority Date: 08/25/1994
  • Status: Expired due to Term
First Claim
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1. A stent for emplacement into a body lumen comprising:

  • a first portion having a cylindrical shape and a longitudinal axis, containing an array of slots arranged around the diameter of said cylinder, said slots having a relaxed dimension and an enlarged dimension and the circumference of said cylinder, whereby in said enlarged dimension, said cylindrical shape increases in diameter, and said slots having a predetermined length when said slots are in said relaxed dimension; and

    a second portion connected to said first portion, said second portion having a cylindrical shape and a longitudinal axis, containing an array of slots arranged around the diameter of said cylinder, said slots having a relaxed dimension and an enlarged dimension around the circumference of said cylinder, whereby in said enlarged dimension, said cylindrical shape increases in diameter, and said slots having a predetermined length wherein said slots are in said relaxed dimension; and

    whereby said first portion and said second portion are created from a single thin-walled metallic tube and wherein said first portion slot lengths are greater than said second portion slot lengths.

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