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Percutaneous catheter and guidewire having filter and medical device deployment capabilities

  • US 20030187475A1
  • Filed: 03/26/2003
  • Published: 10/02/2003
  • Est. Priority Date: 05/08/1997
  • Status: Active Grant
First Claim
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1. A guidewire filter device, comprising:

  • a sheath with a proximal end and a distal end, the sheath having an inside surface and an outside and defining a lumen formed therethrough, the sheath having a plurality of slits formed near the distal end, the plurality of slits defining a plurality of struts;

    a guidewire with a proximal end and a distal end, the guidewire distal end affixed to a point inside of the sheath that is distal to the struts; and

    filter material positioned within the lumen in the sheath with the filter material being affixed to portions of struts;

    whereby by pulling the proximal end of the guidewire relative to the sheath, the struts will expand outvardly and open up the filter material in the form of a filter basket.

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