Patent ID: 7169124
Filing Date: 2007-01-30
Classification: A61B

Abstract:
1. A method for treating heart tissue, said method comprising the steps of: (a) providing a catheter having a proximal end portion, an open distal end portion including a distal tip and first and second passageways extending between said proximal end and said distal end portion, said first and second passageways being in flow communication with each other proximate to said distal end portion; (b) percutaneously introducing said catheter into the vascular system of a patient; (c) advancing said catheter to a desired location within said vascular system; (d) positioning the distal tip over a desired section of heart tissue; (e) drawing the desired section of said tissue into contact with open distal end so as to isolate said desired section of tissue; (f) communicating a tissue treatment fluid into one of said passageways through said proximal end for treating the desired section of tissue at said distal end portion; (g) removing said tissue treatment fluid through said other of said passageways.