Patent | Date |
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Rate responsive pacemaker with exercise recovery using minute volume determination Grant 5,836,988 - Cooper , et al. November 17, 1 | 1998-11-17 |
Rate-responsive pacemaker with noise-rejecting minute volume determination Grant 5,817,135 - Cooper , et al. October 6, 1 | 1998-10-06 |
Rate-responsive pacemaker with minute volume determination and EMI protection Grant 5,817,136 - Nappholz , et al. October 6, 1 | 1998-10-06 |
Auto adaptation of RR interval in implantable pacemaker Grant 5,792,198 - Nappholz August 11, 1 | 1998-08-11 |
Implanted cardiac device with means for classifying patient condition Grant 5,792,197 - Nappholz August 11, 1 | 1998-08-11 |
EMI detection in an implantable pacemaker and the like Grant 5,766,227 - Nappholz , et al. June 16, 1 | 1998-06-16 |
Cardiac stimulation system with enhanced communication and control capability Grant 5,720,770 - Nappholz , et al. February 24, 1 | 1998-02-24 |
Pacemaker with improved detection of atrial fibrillation Grant 5,720,295 - Greenhut , et al. February 24, 1 | 1998-02-24 |
Pacemaker programmer menu with selectable real or simulated implant data graphics Grant 5,713,937 - Nappholz , et al. February 3, 1 | 1998-02-03 |
Forced atrioventricular synchrony dual chamber pacemaker Grant 5,441,523 - Nappholz August 15, 1 | 1995-08-15 |
Leadless implantable sensor assembly and a cardiac emergency warning alarm Grant 5,404,877 - Nolan , et al. April 11, 1 | 1995-04-11 |
Implantable cardiac stimulating apparatus and method employing detection of P-waves from signals sensed in the ventricle Grant 5,312,445 - Nappholz , et al. May 17, 1 | 1994-05-17 |
Minute volume rate-responsive pacemaker employing impedance sensing on a unipolar lead Grant 5,201,808 - Steinhaus , et al. April 13, 1 | 1993-04-13 |
Multiple parameter rate-responsive cardiac stimulation apparatus Grant 5,197,467 - Steinhaus , et al. March 30, 1 | 1993-03-30 |
Method and apparatus for chronically monitoring the hemodynamic state of a patient using doppler ultrasound Grant 5,188,106 - Nappholz , et al. February 23, 1 | 1993-02-23 |
Apparatus and method for detecting abnormal cardiac rhythms using evoked potential measurements in an arrhythmia control system Grant 5,184,615 - Nappholz , et al. February 9, 1 | 1993-02-09 |
Apparatus and method for detecting abnormal cardiac rhythms using an ultrasound sensor in an arrhythmia control system Grant 5,183,040 - Nappholz , et al. February 2, 1 | 1993-02-02 |
Automatic stimulus artifact reduction for accurate analysis of the heart's stimulated response Grant 5,172,690 - Nappholz , et al. December 22, 1 | 1992-12-22 |
Apparatus and method for detecting abnormal cardiac rhythms in dual chamber arrhythmia control system Grant 5,161,527 - Nappholz , et al. November 10, 1 | 1992-11-10 |
Monitoring the hemodynamic state of a patient from measurements of myocardial contractility using doppler ultrasound techniques Grant 5,156,154 - Valenta, Jr. , et al. October 20, 1 | 1992-10-20 |
Catheter-mounted doppler ultrasound transducer and signal processor Grant 5,156,157 - Valenta, Jr. , et al. October 20, 1 | 1992-10-20 |
Method and apparatus for controlling the hemodynamic state of a patient based on systolic time interval measurements detecting using doppler ultrasound techniques Grant 5,139,020 - Koestner , et al. August 18, 1 | 1992-08-18 |
Implantable ambulatory electrocardiogram monitor Grant 5,113,869 - Nappholz , et al. May 19, 1 | 1992-05-19 |
Metabolic demand driven rate-responsive pacemaker Grant 5,085,215 - Nappholz , et al. February 4, 1 | 1992-02-04 |
Pacing pulse compensation Grant 4,903,700 - Whigham , et al. February 27, 1 | 1990-02-27 |
Minute volume rate-responsive pacemaker Grant 4,901,725 - Nappholz , et al. February 20, 1 | 1990-02-20 |
Pacing pulse compensation Grant 4,821,724 - Whigham , et al. April 18, 1 | 1989-04-18 |
Storage in a pacemaker memory Grant 4,716,903 - Hansen , et al. January 5, 1 | 1988-01-05 |
Metabolic-demand pacemaker and method of using the same to determine minute volume Grant 4,702,253 - Nappholz , et al. October 27, 1 | 1987-10-27 |
Externally-inhibited tachycardia control pacer Grant 4,488,554 - Nappholz , et al. December 18, 1 | 1984-12-18 |
Externally controlled tachycardia control pacer Grant 4,488,553 - Nappholz , et al. December 18, 1 | 1984-12-18 |
Heart pacer end-of-life detector Grant 4,448,197 - Nappholz , et al. May 15, 1 | 1984-05-15 |
Dual chamber heart pacer with improved ventricular rate control Grant 4,429,697 - Nappholz , et al. February 7, 1 | 1984-02-07 |
Tachycardia control pacer with improved detection of tachycardia termination Grant 4,427,011 - Spurrell , et al. January 24, 1 | 1984-01-24 |
Externally-reset tachycardia control pacer Grant 4,407,289 - Nappholz , et al. October 4, 1 | 1983-10-04 |
Variable length scanning burst tachycardia control pacer Grant 4,406,287 - Nappholz , et al. September 27, 1 | 1983-09-27 |
Scanning burst tachycardia control pacer Grant 4,398,536 - Nappholz , et al. August 16, 1 | 1983-08-16 |
Two pulse tachycardia control pacer Grant 4,390,021 - Spurrell , et al. June 28, 1 | 1983-06-28 |
Dual chamber pacer Grant 4,378,020 - Nappholz , et al. March 29, 1 | 1983-03-29 |