Patent ID: 6645217
Filing Date: 2003-11-11
Classification: A61B

Abstract:
A catheter comprising:a housing torque cable having a proximal end and a distal end, said housing torque cable having an inflation lumen therein; a housing connected to the distal end of the housing torque cable, the housing including a window for invaginating biological tissue; a cutter torque cable located within the housing torque cable; a cutter attached to a distal end of the cutter torque cable and within the housing, the window exposing the cutter; a balloon disposed opposite the window, said balloon coupled to said inflation lumen; and a nose cone coupled to a distal end of said housing, the nose cone including at least one longitudinal rib embedded in an outer wall of the nose cone, the at least one longitudinal rib increasing column strength and torsional strength of the nose cone.