Patent ID: 9023030
Filing Date: 2015-05-05
Classification: A61B,A61N

Abstract:
1. A catheter device, comprising: a catheter sized and shaped for vascular access and including an elongate body extending between a proximal end and a distal end and having at least one inner fluid lumen, an electrode tip positioned proximate to the distal end of the catheter body, the electrode tip including an outer wall, a physical barrier extending substantially across the entire cross-section of the electrode tip throughout the length of the physical barrier and having at least one fluid passageway therethrough, a cooling chamber configured to receive a cooling fluid from the inner fluid lumen of the elongate body and positioned proximally of the physical barrier and adapted to cool a portion of the electrode tip proximal of the physical barrier, the electrode tip further comprising multiple irrigation apertures in fluid communication with the fluid passageway in the physical barrier, wherein the fluid passageway is spaced apart from the outer wall by a portion of the physical barrier, wherein the entire electrode tip is a single unibody structure made of a single material.