U.S. Patent Number: US8597239B2

 

Title: Abrading Balloon Catheter for Extravasated Drug Delivery

 

Status: Granted 

 

Inventors: Lawrence J. Gerrans, Erhan H. Gunday  

 

Abstract: A method of extravasated drug delivery is disclosed, including inserting a catheter with a first balloon, a second balloon, and a third balloon positioned between the first and second balloons and having a wall with an abrasive outer surface, into a bodily cavity, inflating the first and second balloons to create a chamber therebetween, stimulating a flow of blood cells by inflating the third balloon until the abrasive outer surface abrades tissue, and delivering the agent to the chamber. A balloon catheter system is also provided including a balloon having a wall with an abrasive outer surface for abrading tissue, a catheter having a first lumen for supplying fluid to the balloon to inflate the balloon such that the abrasive surface stimulates a flow of blood cells, and a second lumen for supplying an agent to tissue.

 

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These products are investigational medical devices that have not been approved or cleared for use in the United States.