1
Angelo Auricchio, Rodney W Salo, Bruce A Tockman, Ronald W Heil Jr, Randy Westlund, Stuart R Chastain: Left ventricular access lead for heart failure pacing. Cardiac Pacemakers, Haugen and Nikolai P A, August 10, 1999: US05935160 (188 worldwide citation)

An elongated monopolar or bipolar coronary vein lead having a reduced outer diameter and especially adapted to be advanced into a selected coronary vein for delivering a pacing signal to a predetermined region of a patient's heart, such as the left ventricle. A method of using the lead for pacing a ...


2
Avram Scheiner, Ronald W Heil Jr, Peter T Kelley, Bruce Tockman, Randy Westlund, Jay A Warren: Leads for pacing and/or sensing the heart from within the coronary veins. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, June 24, 2003: US06584362 (146 worldwide citation)

A lead for monitoring or stimulating cardiac activity is provided. The lead is adapted for implantation on or about the heart within the coronary vasculature and for connection to a signal generator. The lead body has one or more electrodes associated therewith. The lead is constructed and arranged ...


3
Randy Westlund, Bruce Tockman: Adjustable length catheter assembly. Cardiac Pacemakers, Crawford Maunu PLLC, March 16, 2004: US06706018 (101 worldwide citation)

A catheter assembly for cannulating a heart vessel includes a guide handle having proximal and distal ends, a lumen open at least at the distal end of the guide handle, and a stop member disposed within the lumen at a distal end of the guide handle. A catheter of the assembly has a proximal end disp ...


4
Ronald W Heil Jr, John E Heil, Randy Westlund: Implantable lead with dissolvable coating for improved fixation and extraction. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, October 16, 2001: US06304786 (77 worldwide citation)

A cardiac rhythm management system provides an endocardial cardiac rhythm management lead with an at least partially dissolvable coating at least partially on insulating portions of the lead body at or near its distal end. Upon dissolution, the coating promotes tissue ingrowth to secure the lead in ...


5
Allan C Shuros, Randy Westlund, Anthony V Caparso: Method and apparatus for neural stimulation via the lymphatic system. Cardiac Pacemakers, Schwegman Lundberg & Woessner P A, February 5, 2013: US08369943 (75 worldwide citation)

An implantable neural stimulation system includes an implantable medical device having a neural stimulation circuit and at least one implantable lead configured to allow one or more stimulation electrodes to be placed in one or more lymphatic vessels of a patient, such as the patient's thoracic duct ...


6
Randy Westlund, Anthony V Caparso, Mark Bly: Method and apparatus for optimizing vagal nerve stimulation using laryngeal activity. Cardiac Pacemakers, Schwegman Lundberg & Woessner P A, September 21, 2010: US07801603 (71 worldwide citation)

A neural stimulation system delivers neural stimulation to the vagus nerve and senses a signal indicative of laryngeal activity resulting from the neural stimulation. The signal indicative of laryngeal activity is used, for example, to guide electrode placement, determine stimulation threshold, dete ...


7
David J Smith, Randy Westlund, Imad Libbus: Selective nerve stimulation with optionally closed-loop capabilities. Cardiac Pacemakers, Faegre Baker Daniels, March 26, 2013: US08406877 (65 worldwide citation)

Systems and methods for steering one or more stimulation fields to a selected nerve target, thereby optimizing one or a combination of low stimulation thresholds, desired therapy outcomes, or a minimization of adverse stimulation side-effects. An array of electrodes disposed, at least in part, on tw ...


8
Aaron W Janke, Larry L Hum, Randy Westlund, Ronald W Heil Jr, Bruce Tockman: Expandable seal for use with medical device and system. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, May 29, 2001: US06240321 (60 worldwide citation)

A seal adapted for use with medical devices is provided with a lead having a distal tip electrode. The distal tip of the lead is adapted for implantation on or about the heart and for connection to a system for monitoring or stimulating cardiac activity. The lead can include a fixation helix for sec ...


9
Imad Libbus, Julio C Spinelli, Randy Westlund, Julia Moffitt, Sophia H Wang: Integrated lead for applying cardiac resynchronization therapy and neural stimulation therapy. Cardiac Pacemakers, Faegre & Benson, November 23, 2010: US07840266 (56 worldwide citation)

An embodiment includes a main lead assembly having a proximal portion adapted for connection to a device and a distal portion adapted for placement in a coronary sinus, the distal portion terminating in a distal end for placement proximal a left ventricle. Additionally, the main lead assembly includ ...


10
Bruce Tockman, Randy Westlund: Method for manipulating an adjustable shape guide catheter. Cardiac Pacemakers, Faegre & Benson, January 25, 2011: US07875018 (56 worldwide citation)

A method of manipulating a catheter assembly involves providing an inner catheter member movably disposed within an outer catheter member. At least a distal end portion of the inner catheter member has a stiffness greater than that of at least a distal end portion of the outer catheter member. The d ...