LEFT-VENTRICULAR LEAD FIXATION DEVICE IN CORONARY VEINS

摘要

Methods for medical lead fixation in coronary veins according to embodiments of the present invention include advancing a lead body into a branch vessel of a coronary vein, inserting a fixation line and expandable anchor structure through the lead body, past a distal end of the lead body, and into the branch vessel, engaging a wall of the branch vessel with the expandable anchor structure, and coupling the fixation line with the lead body. Apparatus for medical lead fixation in a coronary vein according to embodiments of the present invention include a lead body having one or more electrodes, a fixation line, an expandable anchor structure coupled to the fixation line, the fixation line and anchor structure deployable through the lead body into the branch vessel, and a means for coupling the lead body to the fixation line.