Patent ID: 8834464
Filing Date: 2014-09-16
Classification: A61B

Abstract:
1. A catheter assembly, comprising: an elongated body having a proximal portion and a distal portion extending along a longitudinal axis, wherein the distal portion of the body is configured for intravascular delivery via over-the-wire or rapid exchange delivery techniques to a body lumen of a human patient; a pre-shaped spiral structure associated with the distal portion of the elongated body, wherein the spiral structure terminates in a flexible, curved distal tip portion, and wherein the elongated body and the pre-shaped spiral structure comprise a central lumen; and a plurality of electrodes associated with the spiral structure, wherein the pre-shaped spiral structure is transformable between— wherein, when the spiral structure is in the expanded configuration, the spiral structure comprises a plurality of revolutions formed about a central loop axis parallel with the longitudinal axis.