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Catheter for uniform distribution of therapeutic fluids

  • US 4,968,307 A
  • Filed: 04/10/1989
  • Issued: 11/06/1990
  • Est. Priority Date: 01/09/1989
  • Status: Expired due to Term
First Claim
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1. A multilumen vascular catheter for the uniform delivery of fluid containing drugs, therapeutic agents and the like comprising an elongated tubular body having a wall defining a first lumen for receiving a guidewire to facilitate the advancement of the catheter through a patient'"'"'s vasculature and a plurality of second lumens disposed longitudinally within the wall, each of said second lumens having a flow passageway in a distal portion of the catheter extending from the second lumen through the wall of the tubular body to the exterior thereof with the flow passageways having a minimum crosssectional area of about 1×

  • 10-6 to about 5×

    10-4 and being longitudinally spaced from each other so that a uniform flow of fluid is discharged over the distal portion of the catheter.

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