Patent ID: 6206849
Filing Date: 2001-03-27
Classification: A61M

Abstract:
A triple lumen catheter comprising:a. an outer tube having a proximal end and a distal end;b. an inner tube having a proximal end and a distal end and defining therewithin a first lumen, said inner tube having an outer diameter less than the inner diameter of said outer tube, said inner tube being disposed within said outer tube to define an interior space between the outside of said inner tube and the inside of said outer tube;c. a first septum extending from a first point on the outside of said inner tube to a first point on the inside of said outer tube;d. a second septum extending between a second point on said outside of said inner tube and a second point on said inside of said outer tube, said first septum and said second septum thereby separating said interior space into a second lumen located on one side of said first septum, said inner tube, and said second septum, and a third lumen located on the opposite side of said first septum, said inner tube, and said second septum;e. a frustoconical distal tip section at said distal end of said outer tube enclosing said distal end of said inner tube, the outer wall of said distal tip section tapering radially inwardly from said distal end of said outer tube into engagement with said inner tube at said distal end thereof, said outer wall of said distal tip section terminating at said distal end of said inner tube and thereat defining an open apex of said distal tip section through which said first lumen communicates with the exterior of said distal tip section; andf. plural openings formed through said outer tube at said distal end thereof, each of said second lumen and said third lumen communicating with the exterior of said outer tube through respective of said openings.