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Loop structures for supporting diagnostic and therapeutic elements in contact with body tissue and expandable push devices for use with same

  • US 6,908,464 B2
  • Filed: 09/10/2003
  • Issued: 06/21/2005
  • Est. Priority Date: 11/22/1999
  • Status: Expired due to Term
First Claim
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1. A method of forming a lesion in body tissue, comprising the steps of:

  • positioning a first probe including a first probe body defining a proximal portion and a distal portion, a loop structure associated with the distal portion, and at least one operative element associated with the loop structure such that the loop structure is at least adjacent the tissue;

    positioning a second probe including a second pmbe body defining a proximal portion and a distal portion and an expandable push structure associated with the distal portion such that the expandable push structure is adjacent the loop structure; and

    urging the loop structure in the direction of the tissue with the expandable push structure.

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