Simple double lumen catheter

Details Simple double lumen catheter Simple double lumen catheter

1987-09-16

1989-02-28

Truluck, Dalton L.

Surgery

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

Material introduced into and removed from body through...

604 4, 604280, A61M 2500

Patent

active

048081558

ABSTRACT:
A double lumen catheter having an elongated tube with a proximal cylindrical portion enclosing first and second lumens separated by an internal divider, the proximal end of the elongated tube connecting to two separate connecting tubes communicating with the respective first and second lumens for the injection and removal of blood, the first lumen extending from the proximal end of the elongated tube to a first opening at the distal end of the elongated tube, and the second lumen extending from the proximal end of the elongated tube to a second opening spaced a sufficient distance away from the first opening, in the longitudinal direction, to prevent mixing of the returned blood with the blood taken in, the tube having a non-conical and non-tapered distal end portion having a reduced cross-sectional area and extending from said second opening and terminating in a blunt end to prevent the end of the catheter from traumatizing or becoming caught in the walls of a blood vessel into which the catheter is inserted.

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