Dual-lumen suction catheter with multiple apertures in the vent

Details Dual-lumen suction catheter with multiple apertures in the vent Dual-lumen suction catheter with multiple apertures in the vent

1996-07-09

1998-08-04

Coggins, Wynn Wood

Surgery

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

Treating material introduced into or removed from body...

604264, A61M 2500

Patent

active

057886806

ABSTRACT:
A dual-lumen suction catheter is disclosed consisting of a longitudinally extending pliable tube having separate and independent suction and vent lumens. The proximal end of the catheter has a first open end for the suction lumen and a second, separate open end, for the vent lumen. The catheter is provided with an opening at its distal end through which fluids to be withdrawn from the organ of a patient enter the suction lumen. A plurality of spaced-apart apertures situated in the distal portion of the catheter extend from within the vent lumen through the wall of the pliable tube to the outside surface of the catheter, the apertures being longitudinally displaced from each other and from the distal tip of the catheter. The plurality of apertures are independent of and separate from the suction lumen.

REFERENCES:
patent: 4735607 (1988-04-01), Keith, Jr.
patent: 4867747 (1989-09-01), Yarger
patent: 5078701 (1992-01-01), Grassi et al.
patent: 5520662 (1996-05-01), Moss

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