×

Multichannel balloon catheter for delivering fluid

  • US 5,792,105 A
  • Filed: 09/11/1996
  • Issued: 08/11/1998
  • Est. Priority Date: 09/11/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An inflatable medical device for delivering fluid internally to a patient comprising:

  • a) a catheter comprising an external wall and multiple lumens disposed therein, at least one of the lumens being a fluid delivery lumen communicating with a fluid delivery port on the external wall of the catheter;

    b) a hollow, inflatable balloon having at least one fluid transmitting conduit,1) the fluid transmitting conduit extending from a proximal opening for receiving fluid to at least one external outlet on balloon,2) the fluid transmitting conduit having an inner wall and an outer wall, the inner wall extending axially beyond the proximal terminus of the outer wall to form an inner extension for attaching the inner fluid transmitting conduit wall to the external wall of the catheter; and

    c) an outer collar attached at its distal end to the outer wall of the balloon'"'"'s fluid transmitting and at its proximal end to the external wall of the catheter at a point proximal to the fluid delivery port,whereby fluid is conveyed from the catheter'"'"'s fluid delivery port to the fluid transmitting conduit of the balloon through a closed path that is formed between the outer collar and the outer wall of the catheter.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×