Cardiac Pacemakers, Inc.

Joseph Schroeder

Timothy R Jackson

Lead electrodes having an asymmetrically distributed current density and methods for imparting current density directionality in lead electrodes are described. An implantable medical lead includes a lead body having a proximal section that connects to another implantable device and a distal section having a pre-biased shape configured to secure the lead to an inner wall of a body vessel. An electrode coupled to the distal section of the lead body includes a conductor mass having an asymmetrically distributed current density that imparts a directionality to one or more active portions of the electrode.

Implantable lead electrode with asymmetrically distributed current density and methods for imparting current density directionality in lead electrodes

An implantable medical lead having a modified electrode surface for imparting current density directionality within an electrode is disclosed. An implantable medical lead includes a lead body having a proximal section and a distal section having a pre-biased shape configured to secure the lead to an inner wall of a blood vessel. An electrode coupled to the distal section of the lead body includes a number of surface features on an inactive portion of the electrode that impart a current density directionality towards an active portion of the electrode that contacts the inner wall of the vessel. Methods for imparting current density directionality within an implantable lead electrode are also disclosed.

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Eden Prairie, MN, United States of America

Joseph Schroeder