Patent ID: 6136258
Filing Date: 2000-10-24
Classification: A61B,A61L,A61M,Y10T

Abstract:
A method of manufacturing a medical catheter, the method comprising:coextruding a first layer and a second layer to form a tube having an outside diameter, said first layer comprised of polyethylene terephthalate and said second layer comprised of a material selected from the group consisting of Nylon and polyethylene terephthalate;simultaneously pressurizing and heating at least a region of said tube to inflate said region to an outer diameter greater than said outside diameter of said tube;forming a balloon for medical purposes from said inflated region of said tube;providing a catheter shaft having at least one lumen disposed therethrough; andattaching said balloon to said catheter shaft so that said at least one lumen is in fluid communication with an interior region of said balloon.