1
John A Hauck, Jeff A Schweitzer, Michael Craven, Valtino Afonso, Holly Cotner, Frank Callaghan, John Schultz: Method and apparatus for catheter navigation and location and mapping in the heart. St Jude Medical Atrial Fibrillation Division, August 28, 2007: US07263397 (252 worldwide citation)

A medical system for finding and displaying the location of electrodes within the body. The electrodes may be used to measure the voltage on the heart wall and display this as an activation map on a geometry representing the heart chamber.


2
John A Hauck, Brian D Pederson: Dual indifferent electrode pacemaker. Cardiac Pacemakers, Haugen and Nikolai, February 8, 1994: US05284136 (248 worldwide citation)

An endocardial lead having first and second spaced apart electrodes resides in a patient's heart. The first electrode is a sensing electrode and the second electrode is a carrier signal driving electrode. The lead has a conductor coupling a source of alternating current carrier signals of a predeter ...


3
John A Hauck, Arthur L Olive: Rate adaptive cardiac rhythm management device control algorithm using trans-thoracic ventilation. Cardiac Pacemakers, Haugen and Nikolai, June 7, 1994: US05318597 (188 worldwide citation)

A rate adaptive cardiac rhythm management device in which the pacing rate is adjusted in accordance with changes in the patient's minute ventilation. An adaptive four-pole elliptic digital filter, preferably implemented in software, functions to attenuate any signal components due to cardiac activit ...


4
Jeffrey R Budd, John A Hauck, Graydon E Beatty: Endocardial measurement method. Endocardial Solutions, Merchant Gould Smith Edell Welter & Schmidt P A, September 10, 1996: US05553611 (162 worldwide citation)

A collection of measurements are taken from a set of measurement electrodes to determine the position of a catheter in a heart chamber. The preferred measurement catheter includes a relatively large dielectric volume.


5
John A Hauck, Brian D Pederson: Variable rate cardiac pacer. Cardiac Pacemakers, Haugen and Nikolai, August 6, 1991: US05036849 (146 worldwide citation)

An endocardial lead having first and second spaced apart electrodes resides in a patient's heart. The first electrode is a sensing electrode and the second electrode is a carrier signal driving electrode. The lead has a conductor coupling a source of alternating current carrier signals of a predeter ...


6
John A Hauck: Therapeutic device and method for treating diseases of cardiac muscle. EM Vascular, Thomas J Nikolai, Nikolai & Mersereau P A, May 6, 2003: US06560489 (44 worldwide citation)

An apparatus and method for conferring a therapeutic current to the heart is provided. The apparatus includes a first electrode, a second electrode, a current generator and a controller. The apparatus may further include a sensor. The sensor is generally configured to measure field strength between ...


7
John A Hauck, Julio C Spinelli: Electrode charge-neutral sensing of evoked ECG. Cardiac Pacemakers, Haugen and Nikolai, July 19, 1994: US05330512 (39 worldwide citation)

A cardiac pacemaker signal processing circuit adapted to obtain an evoked ECG signal. The circuit senses the electrical signals of the ring and tip electrodes in the unipolar mode from the bipolar lead after the electrical pacing stimulus has been applied to contract the ventricle of the heart. The ...


8
John A Hauck, Eric Olson, Jeff A Schweitzer, Jeff Burrell, Mark T Johnson: Radio frequency ablation servo catheter and method. St Jude Medical Atrial Fibrillation Division, Wiley Rein, December 15, 2009: US07632265 (33 worldwide citation)

A system that interfaces with a workstation endocardial mapping system allows for the rapid and successful ablation of cardiac tissue. The system allows a physician to see a representation of the physical location of a catheter in a representation of an anatomic model of the patient's heart. The wor ...


9
John A Hauck: Rate adaptive cardiac pacer incorporating switched capacitor filter with cutoff frequency determined by heart rate. Cardiac Pacemakers, Haugen and Nikolai, December 24, 1991: US05074303 (31 worldwide citation)

A rate adaptive cardiac pacemaker incorporating a switched capacitor filter whose cut-off frequency is varied as a function of heart rate allows respiration-related signals appearing in the intracardiac impedance waveform to be separated from signals relating to systolic events over a frequency rang ...


10
John A Hauck: Therapeutic device and method for treating diseases of cardiac muscle. EV Vascular, Thomas J Nikolai, Nikolai & Mersereau P A, April 29, 2003: US06556872 (29 worldwide citation)

An apparatus and method for conferring a therapeutic current on the heart and adjacent vasculature from externally positioned electrodes is provided. The apparatus includes a first electrode, a second electrode and a current generator. The method includes applying an electric stimulus to the heart a ...



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