1
Tibor A Nappholz, William N Hursta, Albert K Dawson, Bruce M Steinhaus: Implantable ambulatory electrocardiogram monitor. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, May 19, 1992: US05113869 (752 worldwide citation)

An implanted programmable ambulatory electrocardiography (AECG) patient monitoring device that senses and analyzes electrocardiographic signals from at least one subcutaneous precordial sensor chronically and frequently to detect electrocardiogram and physiological signal characteristics predictive ...


2
James A Nolan, Bruce M Steinhaus, Tibor A Nappholz: Leadless implantable sensor assembly and a cardiac emergency warning alarm. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, April 11, 1995: US05404877 (223 worldwide citation)

A leadless implantable cardiac arrhythmia alarm is disclosed which continuously assesses a patient's heart function to discriminate between normal and abnormal heart functioning and, upon detecting an abnormal condition, generates a patient-warning signal. The alarm is capable of sensing impedance m ...


3
Bruce M Steinhaus, Randy T Wells: Detection of cardiac arrhythmias using correlation of a cardiac electrical signals and temporal data compression. Telectronics Pacing Systems, Gottlieb Rackman & Rackman, June 8, 1993: US05217021 (221 worldwide citation)

A method and apparatus for detecting cardiac arrhythmias in a patient's heart is disclosed. The monitoring method and apparatus sense cardiac electrical signals when the heart is functioning in a known cardiac state, then characterize this known cardiac state by storing a temporally compressed templ ...


4
Tibor A Nappholz, Albert K Dawson, Richard M T Lu, Bruce M Steinhaus: Apparatus and method for detecting abnormal cardiac rhythms using evoked potential measurements in an arrhythmia control system. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, February 9, 1993: US05184615 (199 worldwide citation)

In an implantable antiarryhythmia pacemaker, an automatic cardiac arrhythmia detection and classification monitoring apparatus and method for measuring stimulated intracardiac electrogram potentials, deriving therefrom a paced depolarization integral (PDI), analyzing time-based changes in the PDI, d ...


5
Ken Koestner, Bruce M Steinhaus, Randy T Wells: Apparatus and method for measuring, formatting and transmitting combined intracardiac impedance data and electrograms. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, April 5, 1994: US05300093 (171 worldwide citation)

A patient-implantable cardiac stimulation apparatus adapted to measure body impedance, derive at least one physiological parameter from the impedance measurement, sample a time sequence of the physiological parameter and transmit the sequence to an external monitoring device for display and analysis ...


6
Bruce M Steinhaus, Randy T Wells: Data compression of cardiac electrical signals using scanning correlation and temporal data compression. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, June 1, 1993: US05215098 (162 worldwide citation)

A method and apparatus for storing a representation of a cardiac signal by compressing the data using scan correlation and temporal data compression techniques. The method and apparatus sense cardiac signals when the heart is functioning in a known cardiac state, then characterize this known state b ...


7
Bruce M Steinhaus, Saul E Greenhut: Detection of cardiac arrhythmias using template matching by signature analysis. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, December 28, 1993: US05273049 (137 worldwide citation)

A method and apparatus for detecting cardiac arrhythmias are disclosed. The detecting method and apparatus sense cardiac electrical signals when the heart is functioning in a known cardiac state, such as a physiologically normal cardiac state, then define and store an array of amplitude windows wher ...


8
Richard M T Lu, Bruce M Steinhaus, Peter A Crosby: Automatic atrial pacing threshold determination utilizing an external programmer and a surface electrogram. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, October 17, 1995: US05458623 (129 worldwide citation)

A clinical programming system for use with an implanted cardiac pacemaker to automatically determine the minimum pacing energy which is necessary to evoke an atrial depolarization. The system utilizes a series of pacing pulses of progressively decreasing energies to stimulate the atrium, and detects ...


9
Bruce M Steinhaus, Tibor A Nappholz, James A Nolan, Robert A Morris, Ken Koestner: Multiple parameter rate-responsive cardiac stimulation apparatus. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, March 30, 1993: US05197467 (108 worldwide citation)

A metabolic demand rate-responsive cardiac stimulation apparatus and method are disclosed which employ multiple physiological rate control parameters, such as respiratory minute volume, patient motion and cardiac stroke volume. The parameters are derived using a single standard pacing lead or transd ...


10
Bruce M Steinhaus, Fred I Vance, Anne Curtis, Ken Koestner: Heart rejection monitoring apparatus and method. Telectronics Pacing Systems, Gottlieb Rackman & Reisman, August 18, 1992: US05139028 (99 worldwide citation)

An implantable cardiac allograft rejection monitoring apparatus and method for measuring stimulated intracardiac electrogram potentials, performing processing and time based analysis of changes in the potential, and deriving from the time history of the analyzed signals allograft rejection control p ...