Multichannel balloon catheter for delivering fluid

Details Multichannel balloon catheter for delivering fluid Multichannel balloon catheter for delivering fluid

1996-09-11

1998-08-11

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 53, 604283, A61M 2500

Patent

active

057921059

ABSTRACT:
An inflatable medical device for delivering fluid internally to a patient comprising a catheter having a fluid delivery lumen communicating between a fluid entry port at its proximal end and a fluid delivery port on an external wall of the catheter and a hollow, inflatable balloon having at least one fluid transmitting conduit disposed between inner and outer balloon walls. The fluid transmitting conduit receives fluid from the fluid delivery port of the catheter and is connected to at least one outlet on the outer balloon wall. The inner balloon wall extends axially beyond the proximal terminus of the outer balloon wall to form an inner sleeve for attaching the inner balloon wall to the catheter. An outer collar is attached at its distal end to the outer balloon wall and at its proximal end to the catheter at a point proximal to the fluid delivery port. The outer collar forms a conduit between the fluid delivery port and the proximal opening of the fluid transmitting conduit of the balloon. The diameter of the outer collar decreases gradually, or in at least one discrete step, from an enlarged area to a proximal catheter attachment area.

REFERENCES:
patent: 5254089 (1993-10-01), Wang
patent: 5569184 (1996-10-01), Crocker et al.
patent: 5599306 (1997-02-01), Klein
patent: 5609574 (1997-03-01), Klaplan et al.
patent: 5611775 (1997-03-01), Machold et al.
patent: 5611812 (1997-03-01), Skornia
patent: 5613946 (1997-03-01), McKeever

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