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Multi-lumen catheter and tip configurations for use therewith

  • US 6,808,510 B1
  • Filed: 08/28/2000
  • Issued: 10/26/2004
  • Est. Priority Date: 10/29/1999
  • Status: Expired due to Fees
First Claim
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1. A multi-lumen catheter apparatus for use in the simultaneous injection of fluids and aspiration of fluids comprising:

  • a hollow elongate outer catheter having an outer wall;

    an elongate inner catheter disposed within said outer catheter, defining an annular region therebetween, said inner catheter including an enclosing wall, a septum and a tip, wherein said septurn extends within said enclosing wall of said inner catheter, defining a first and second lumen therein; and

    a protective sheath extendable over the entire length of said inner and outer catheters while said apparatus is within a bodily vessel, wherein said protective sheath includes a sealed region at a proximal end of said apparatus and means for limiting the movement of said apparatus trough said region.

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