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Unbalanced reinforcement members for medical device

  • US 8,377,035 B2
  • Filed: 01/17/2003
  • Issued: 02/19/2013
  • Est. Priority Date: 01/17/2003
  • Status: Active Grant
First Claim
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1. A medical device comprising:

  • an elongate shaft including a reinforcement layer, the reinforcement layer comprising a plurality of interwoven strands forming a braid, with a first set of one or more strands wound in a first helical direction and a second set of one or more strands wound in a second helical direction different than the first helical direction, and wherein the number of strands in the first set is less than the number of strands in the second set;

    wherein the first set of strands is wound at a first pitch and the second set of strands is wound at a second pitch, wherein the first pitch is different than the second pitch.

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