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Catheter with a dual lumen monolithic shaft

  • US 8,684,963 B2
  • Filed: 07/05/2012
  • Issued: 04/01/2014
  • Est. Priority Date: 07/05/2012
  • Status: Active Grant
First Claim
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1. A multi-lumen catheter comprising:

  • a monolithic elongate tubular shaft member having a proximal end, a distal end and a longitudinal length therebetween, the tubular shaft member having an outer cross-sectional dimension that varies along the length of the tubular shaft member,the tubular shaft member having an inner core made of a first material and an outer layer made of a second material, the inner core having a first lumen and a second lumen defined therein, wherein the first lumen is disposed adjacent to the second lumen,the first lumen having a first lumen cross-sectional dimension and a length extending at least along a portion of the length of the tubular shaft member, the first lumen cross-sectional dimension being substantially uniform along the length of the first lumen, andthe second lumen having a second lumen cross-sectional dimension and a length extending along the length of tubular shaft member, the second lumen cross-sectional dimension being substantially uniform along the length of the second lumen.

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