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Stent designs which enable the visibility of the inside of the stent during MRI

  • US 7,479,157 B2
  • Filed: 08/07/2003
  • Issued: 01/20/2009
  • Est. Priority Date: 08/07/2003
  • Status: Expired due to Fees
First Claim
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1. A medical device for use within a body cavity, the medical device having a visualization region in which visualization using magnetic resonance imaging (MRI) is desired, the medical device comprising:

  • structural material defining a primary structure having a wall with openings therein and a periphery, the structural material being configured such that any closed path, in the visualization region, extending about at least one of the periphery or an opening in the wall, passes through at least two materials, wherein at least one of the materials comprises a substantially low magnetic susceptibility material.

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