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Post dilation balloon with marker bands for use with stented valves

  • US 10,220,192 B2
  • Filed: 04/09/2015
  • Issued: 03/05/2019
  • Est. Priority Date: 04/23/2014
  • Status: Active Grant
First Claim
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1. A bulbous balloon for post dilating a stent structure that has been implanted in a human body, said balloon comprising:

  • A. a fully inflated distal bulb section that is at least 3 mm larger in diameter than a fully inflated diameter of a proximal balloon section;

    B. a waist portion located between the distal bulb section and the proximal balloon section, and the waist portion retaining a smaller fully inflated diameter than a fully inflated diameter of said proximal balloon section;

    C. said balloon having a stent located over said waist portion and over said distal bulb section that is adjacent to the proximal balloon section, said stent being expandable from a small diameter configuration to a larger diameter configuration and is configured for generating an outward force against the stent structure during expanding to cause the stent structure to move outwards;

    D. said balloon being configured such that said proximal balloon section applies a smaller force outwards against surrounding tissues than a force applied by said distal bulb section against surrounding tissues.

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