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Medical implants with limited resistance to migration

  • US 20070093888A1
  • Filed: 10/25/2005
  • Published: 04/26/2007
  • Est. Priority Date: 10/25/2005
  • Status: Active Grant
First Claim
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1. A barb for retaining an implant in a body lumen, the barb comprising at least a first element adapted to be attached to or comprise a part of the implant and a second element adapted to engage a lumen in which the implant is adapted to be deployed, said second element comprising a yieldable material, said second element being adapted to resist any force tending to displace the implant to which the first element is attached when that force is below a pre-determined force limit and also being adapted to yield to any force tending to displace the implant when that force exceeds the pre-determined force limit.

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