Triple lumen catheter

Details Triple lumen catheter Triple lumen catheter

1988-12-22

1993-03-23

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

604164, A61M 300, A61M 5178

Patent

active

051959623

ABSTRACT:
A multiple lumen catheter is described having a flexible elongate body extending about a longitudinal axis and having a distal end with a tapered tip, a proximal end, an outer wall and a septum extending between spaced points on the outer wall. The outer wall and the septum define extraction and return lumens extending from the proximal end to the tapered tip where the outer wall and the septum converge to close off the lumens. The outer wall also define respective extraction and return apertures for fluid communication between the lumens and the tube exterior. A portion of the septum defines a third lumen extending along the longitudinal axis of the body from the proximal end to the distal end and terminating at the tip in an aperture. This third lumen is useful to receive a Seldinger wire for insertion and can be used also for intravenous infusion of liquid medicaments.
Methods of manufacture are also described.

REFERENCES:
patent: 4168703 (1979-09-01), Kenigsberg
patent: 4406656 (1983-04-01), Hattler et al.
patent: 4583968 (1986-04-01), Mahurkar
patent: 4668225 (1987-05-01), Russo et al.
patent: 4670009 (1987-06-01), Bullock
patent: 4681564 (1987-07-01), Landreneau
patent: 4769005 (1988-09-01), Ginsburg et al.
patent: 4961809 (1990-10-01), Martin
patent: 4968307 (1990-11-01), Dake et al.

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