1
Euljoon Park, Gene A Bornzin, Joseph J Florio, Kerry Bradley, William Gibb: Implantable cardiac stimulation device and method for varying pacing parameters to mimic circadian cycles. Pacesetter, October 3, 2000: US06128534 (246 worldwide citation)

Provided herein are methods and apparatus for automatically adjusting pacing parameters in implantable programmable stimulation devices, such as rate-responsive pacemakers and cardioverter defibrillators. The methods and apparatus provide a circadian varying pacing parameter (e.g., pacing rate, AV D ...


2
Euljoon Park, Steve Koh, Gene A Bornzin: Stimulation device for sleep apnea prevention, detection and treatment. Pacesetter, August 9, 2005: US06928324 (240 worldwide citation)

An implantable cardiac stimulation device comprises a metabolic demand sensor, an activity sensor, and one or more pulse generators. The metabolic demand sensor and activity sensor can sense metabolic demand and physical activity parameters, respectively. The pulse generators can generate cardiac pa ...


3
Euljoon Park: Measurement of sleep apnea duration and evaluation of response therapies using duration metrics. Pacesetter, April 19, 2005: US06881192 (239 worldwide citation)

An implantable cardiac device is programmed to detect an episode of sleep apnea, measure the duration of the episode, and store this information in memory. When multiple episodes are recorded, the device computes statistics on the apnea durations, such as average apnea duration and total apnea durat ...


4
Anne M Pianca, Gene A Bornzin, Euljoon Park, Joseph J Florio, Alan B Vogel, Lee Jay Mandell, Junyu Mai: AC/DC multi-axis accelerometer for determining patient activity and body position. Pacesetter, October 15, 2002: US06466821 (216 worldwide citation)

An implantable cardiac stimulation device which determines stimulation based upon the patient's body position and activity level while eliminating special implantation or calibration procedures. To eliminate such special implantation and calibration procedures, the stimulation device correlates ...


5
Patrick Tchou, Euljoon Park, Kerry A Bradley: System and method for monitoring progression of cardiac disease state using physiologic sensors. Pacesetter, June 3, 2003: US06572557 (181 worldwide citation)

A system and corresponding method are provided to monitor physiological parameters associated with the progression, stabilization, or regression of symptoms of heart disease such as congestive heart failure (CHF). The monitoring is implemented by ongoing surrogate measurement of standard and direct ...


6
Junyu Mai, Euljoon Park: Implantable cardiac stimulation device for monitoring heart sounds to detect progression and regression of heart disease and method thereof. Pacesetter, November 4, 2003: US06643548 (172 worldwide citation)

A system and method for use in an implantable cardiac device permits the monitoring of progression and regression in heart disease, such as congestive heart failure. During a monitoring period, a sensing circuit produces an electrogram signal of the patient's heart and a sound sensor produces a ...


7
Euljoon Park, Eric Falkenberg, Gene A Bornzin, Junyu Mai: Implantable cardiac device for managing the progression of heart disease and method. Pacesetter, May 25, 2004: US06741885 (129 worldwide citation)

An implantable cardiac device detects a progression or regression in heart disease such as congestive heart failure. An activity sensor and a respiration sensor generate raw signals indicative of the patient's activity level and respiration level. Degradation or improvement of the patient' ...


8
Anne M Pianca, Gene A Bornzin, Euljoon Park, Alan B Vogel, Joseph J Florio, Lee Jay Mandell, Junyu Mai: AC/DC multi-axis accelerometer for determining patient activity and body position. Pacesetter, August 30, 2005: US06937900 (123 worldwide citation)

An implantable cardiac stimulation device which determines stimulation based upon the patient's body position and activity level while eliminating special implantation or calibration procedures. To eliminate such special implantation and calibration procedures, the stimulation device correlates the ...


9
Euljoon Park, Steve Koh, Gene A Bornzin: Cardiac stimulation device including sleep apnea prevention and treatment. Pacesetter, May 1, 2007: US07212862 (122 worldwide citation)

An implantable cardiac stimulation device comprises a physiologic sensor and one or more pulse generators. The physiologic sensor is capable of sensing a physiologic parameter. The pulse generators can generate cardiac pacing pulses with a timing based on the physiologic parameter. The timed cardiac ...


10
Joseph J Florio, Euljoon Park, Kerry Bradley, Gene A Bornzin: System and method for automatically verifying capture during multi-chamber stimulation. Pacesetter, January 28, 2003: US06512953 (121 worldwide citation)

A system and corresponding method are provided to reliably detect capture during multi-chamber stimulation, and to further monitor the progression of congestive heart failure. The system provides a method by which intracardiac electrogram (IEGM) characteristics representing single-chamber capture an ...