Patent ID: 8521306
Filing Date: 2013-08-27
Classification: A61N

Abstract:
1. A pacing lead for implantation in a coronary vein system for the stimulation of a left cavity of the heart, comprising: a telescopic microcable made of a conductive material having a distal end and a proximal end, said distal end having an active free part comprising a plurality of distinct bare areas, wherein said distinct bare areas form a network of stimulation electrodes electrically connected together for contact with a wall of target vein of the coronary system, and said proximal end having a terminal for coupling said microcable to a generator of active implantable medical device, wherein said telescopic microcable comprises a diameter providing for insertion of the microcable within smaller portions of the coronary vein system, wherein the diameter is selected from between 0.5 and 2 French, wherein the microcable comprises a plurality of strands twisted together, in which at least some strands incorporate either a core of a radiopaque material wrapped by a sheath of a mechanically durable material, or vice versa, and wherein said distinct bare areas that form the network of stimulation electrodes are provided on outward-facing portions of at least some of the plurality of strands.