Patent ID: 9423475
Filing Date: 2016-08-23
CPC Classification: A61B,G01R

Claim Text:
1. An elongate electrical lead subassembly, comprising: at least one first conductor comprising a series of alternating single layer coil sections and multi-layer coil sections and attached at one end portion to an ablation electrode; and at least one second conductor comprising a series of alternating single layer coil sections and multi-layer coil sections and attached at one end portion to a sensing electrode upstream of the ablation electrode; wherein each multi-layer coil section of the at least one second conductor is coiled around a respective single layer coil section of the at least one first conductor, and wherein each single layer coil section of the at least one second conductor is coiled around a respective multi-layer coil section of the at least one first conductor such that the electrical lead assembly has a substantially constant diameter along at least a portion of its length.