Patent ID: 6939374
Filing Date: 2005-09-06
Classification: A61F,A61L,A61M

Abstract:
1. A system for insertion into a body lumen for delivering an agent to a site on the body lumen, the system comprising, a tubular member having a lumen there through to allow the passage of material, wherein the tubular member may be expanded causing the stenting system to be retained against the wall of the body lumen; an outer membrane surrounding the tubular member, wherein at least a portion of the outer membrane is porous to the agent to allow the agent to be deposited on the site; an inner membrane attached to the tubular member, wherein the inner membrane is non-porous to the therapeutic agent to be delivered to the site; and a chamber located between the inner and outer membranes for holding the agent, wherein the agent in the chamber diffuses through the porous portion of the outer membrane and onto the body site.