Patent ID: 6308090
Filing Date: 2001-10-23
Classification: A61B,A61N

Abstract:
A catheter for mapping an electrical conduction pattern of a coronary sinus in a right atrium of a heart comprising:an elongate tubular element having a pre-shaped tip section, a distal end, a proximal end, and at least one lumen extending between the distal end and the proximal end, wherein a plurality of electrodes is disposed on the tip section, and wherein the pre-shaped tip section has an appropriate transition angle and length;a handle attached to the proximal end of the elongate tubular element;a steering mechanism located at the handle; wherein the steering mechanism is to cause at least one deflection for the tip section; andsaid tip section comprising a longitudinally stretchable/compressible soft portion at about the distal end of the elongate tubular element, wherein the stretchable/compressible soft portion has capability of moving and rebounding longitudinally, wherein the stretchable/compressible soft portion has a braided coil, and wherein the braided coil is at a stretched state so that the stretchable/compressible soft portion has capability of moving and rebounding longitudinally.