SURFACE MODIFICATION FOR CATHETERS COMPRISED OF MULTIPLE MATERIALS

摘要

Catheters and a method for preparation thereof, the catheter comprising as component parts thereof a catheter body, a juncture hub, at least one extension line and at least one connector, each of said component parts comprising an exterior surface, at least one lumen having an intraluminal surface and a bulk polymer, wherein the intraluminal or external surface of a first of said component parts and the exterior or intraluminal surface of a second of said component parts comprise a hydrophilic polymer layer thereon having an Average Dry Thickness of at least about 50 nanometers and the first and second component parts comprise bulk polymers having different chemical compositions