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Catheter apparatus for treating occluded vessels and filtering embolic debris and method of use

  • US 6,761,732 B2
  • Filed: 09/27/2002
  • Issued: 07/13/2004
  • Est. Priority Date: 12/30/1999
  • Status: Expired due to Term
First Claim
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1. A catheter apparatus for treating a lesion-blocked vessel and capturing emboli in a fluid flowing in the vessel, comprising:

  • a lesion dilating member for disposition in the vessel at the position of the lesion blockage, the lesion dilating member being expandable to open the vessel at the position of the lesion, and a perfusion member and a filter for disposition in the vessel at a position displaced from the lesion, the perfusion member having proximal and distal ends with the filter attached to the outer surface of the perfusion member at a location distal to the proximal end of the perfusion member, wherein the outer surface of the perfusion member has a plurality of annularly spaced peaks to define channels formed between adjacent peaks and the filter to allow the flow of the fluid and the filter is made from a material which allows the fluid to pass but not emboli.

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