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Multiple-lumen catheter

  • US 5,486,159 A
  • Filed: 10/01/1993
  • Issued: 01/23/1996
  • Est. Priority Date: 10/01/1993
  • Status: Expired due to Term
First Claim
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1. A blood purification system comprising:

  • a dialysis system for purifying a patient'"'"'s blood; and

    a multiple-lumen catheter coupled to said dialysis system comprising an elongated cylindrical tube having an internal diametral septurn extending along the length thereof, said septum and the walls of said tube forming at least three longitudinal lumens, first and second of said lumens having substantially semi-circular transverse cross-sections occupying the major portion of the transverse cross section of the interior of said tube, and a third lumen having a small transverse cross-section and located at the intersection of one diametral end of said septum with said tube, between a pair of adjacent comers of said first and second lumens.

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