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Antiproliferative devices for maintaining patency of surgically created channels in a body organ

  • US 7,462,162 B2
  • Filed: 07/19/2004
  • Issued: 12/09/2008
  • Est. Priority Date: 09/04/2001
  • Status: Expired due to Fees
First Claim
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1. An implant configured for maintaining an artificial opening in a wall of an airway, the implant comprising:

  • a support member having a proximal portion, a mid portion, a distal portion, and an interior passage extending therethrough, where the proximal, and distal portions are all expandable and the proximal and distal portions are expandable to a greater size than the mid portion, where the mid portion includes a plurality of members forming a mesh having a plurality of interstices and wherein the proximal and distal portions are expandable such that the support member forms a grommet shape and secures the support member about a perimeter of the artificial opening in the airway wall; and

    a means for maintaining patency of the artificial opening in the airway wall at 12 weeks following deployment of the implant in the artificial opening in the airway wall.

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