Patent ID: 6783521
Filing Date: 2004-08-31
Classification: A61B,A61M,A61N,Y10T

Abstract:
A deflectable catheter comprising:a catheter body having an outer wall, proximal and distal ends, and at least one lumen extending therethrough; a tip section comprising a flexible tubing having proximal and distal ends and at least two lumens extending therethrough, the proximal end of the tip section being fixedly attached to the distal end of the catheter body, wherein the flexible tubing comprises a plastic core, a metal braid over the core, a plastic skin over the braid, and at least two pieces of plastic tubing in longitudinal arrangement extruded over the plastic skin, wherein the at least two pieces of plastic tubing have different stiffnesses and are arranged with the stiffer plastic being proximal the less stiff plastic; a control handle mounted at the proximal end of the catheter body; and means for deflecting the tip section by manipulation of the control handle.