Patent ID: 6722370
Filing Date: 2004-04-20
Classification: A61M

Abstract:
A method for delivering a therapeutic composition to the liver of a subject, said method comprising the steps of:(a) inserting a first catheter into the portal vein of said subject via a non-surgical percutaneous route wherein said first catheter comprises a deployable mechanism for occluding said portal vein; (b) inserting a second catheter into a blood vessel draining said liver, wherein said second catheter comprises a deployable mechanism for occluding said blood vessel draining said liver; (c) delivering said therapeutic composition to said liver via a delivery catheter selected from the group consisting of said first catheter and said second catheter; and (d) collecting said therapeutic composition by a collecting catheter selected from the group consisting of said first catheter and said second catheter, wherein said delivery catheter and said collecting catheter are different.