Suction catheter

Details Suction catheter Suction catheter

A - Human Necessities

61

M

128/127

A61M 25/00 (2006.01) A61M 1/00 (2006.01)

Patent

CA 1045494

SUCTION CATHETER ABSTRACT OF THE DISCLOSURE An improved flexible catheter for suctioning of tracheo- bronchial passages. In one form, the catheter is provided with side openings which are elongated in a direction gener- ally parallel to the end surface of the tubular member, and are located adjacent thereto. The catheter may be provided with a beveled tip, in which case a second form of the inven- tion is advantageously provided with side openings which are elongated longitudinally of the catheter, and located adja- cent the top portion thereof. In a third form of the inven- tion, the catheter has triangular side openings which combine the advantages of both of the foregoing forms of the inven- tion. Effectiveness of the catheter is further improved by restricting the area of the end openings so that the total area of the side openings is from 1.5 to 6 times the area of the end opening. Longitudinal slots along the outer sur- face of the catheter, adjacent to the side holes relieve the suction and reduce tissue trauma when openings are blocked. -1-

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