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METHODS AND SYSTEMS FOR PENETRATING ADJACENT TISSUE LAYERS

  • US 20110137394A1
  • Filed: 05/28/2010
  • Published: 06/09/2011
  • Est. Priority Date: 05/29/2009
  • Status: Abandoned Application
First Claim
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1. A method for advancing a dilator distally through apposed luminal walls of adjacent first and second body lumens at a target site on an anterior surface of a first luminal wall, said method comprising:

  • deploying a tension anchor through the apposed luminal walls at a location laterally offset from the target site;

    drawing the tension anchor proximally to hold a posterior surface of the first luminal wall against an anterior surface of a second luminal wall; and

    advancing the dilator through the walls at the target site while continuing to hold the luminal wall surfaces together, wherein the dilator creates an enlarged passage.

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