Patent ID: 7108684
Filing Date: 2006-09-19
Classification: A61M,G01N

Abstract:
1. A balloon catheter comprising: an elongated catheter shaft having proximal and distal end portions; an expandable balloon located at the distal end portion of the catheter shaft, the balloon having a distal end and a proximal end; and a pouch disposed on at least a portion of said expandable balloon, wherein said pouch expands and contracts with said balloon and wherein said balloon and pouch are removable together from a patient, wherein an area between said pouch and said portion of said expandable balloon is adaptive to receiving an agent when the balloon is not expanded, wherein said agent is releasable through said pouch when said balloon is expanded, and wherein said expandable balloon has an annular ridge at both the distal end and proximal end of the balloon, and the pouch is located between the annular ridges.