Dual-lumen suction catheter with smaller diameter vent lumen hav

Details Dual-lumen suction catheter with smaller diameter vent lumen hav Dual-lumen suction catheter with smaller diameter vent lumen hav

1998-03-25

1999-08-03

McDermott, Corrine

Surgery

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

Treating material introduced into or removed from body...

604264, A61M 500

Patent

active

059318317

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 The catheter is provided with an opening at its distal end through which fluids to be withdrawn from the organ of a patient enter the suction lumen.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: 4717379 (1988-01-01), Ekholmer
patent: 4867747 (1989-09-01), Yarger
patent: 5078701 (1992-01-01), Grassi et al.
patent: 5520662 (1996-05-01), Moss
patent: 5643230 (1997-07-01), Linder

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