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Devices and methods for treatment of luminal tissue

  • US 20050171524A1
  • Filed: 01/09/2004
  • Published: 08/04/2005
  • Est. Priority Date: 01/09/2004
  • Status: Active Grant
First Claim
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1. An electrode deployment apparatus for treatment of tissue in a body lumen, the apparatus comprising:

  • a plurality of electrodes arranged on a surface of a dimensionally stable support at a pre-selected electrode density; and

    an expansion member coupled to the support to deploy and selectively expose a portion of the electrode surface while shielding a remaining portion and maintaining the electrode density.

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