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Visualization and ablation system variations

  • US 8,235,985 B2
  • Filed: 09/11/2008
  • Issued: 08/07/2012
  • Est. Priority Date: 08/31/2007
  • Status: Active Grant
First Claim
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1. A tissue treatment system, comprising:

  • a reconfigurable and non-inflating hood structure having an attachment member and which is capable of intravascular delivery in a low profile delivery configuration and expansion to a deployed configuration which defines an open area bounded at least in part by the hood structure;

    a fluid lumen in communication with the open area of the hood structure such that introduction of a conductive fluid through the lumen purges the open area of blood when the structure is further bounded by a tissue surface, wherein the open area is in fluid communication with an environment external to the hood structure through an opening defined by the hood structure; and

    an instrument removably attachable to the hood structure via the attachment member such that a position of the hood structure is maintained relative to the instrument.

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