US3903897A - Cardiac pacer - Google Patents
Cardiac pacer Download PDFInfo
- Publication number
- US3903897A US3903897A US339537A US33953773A US3903897A US 3903897 A US3903897 A US 3903897A US 339537 A US339537 A US 339537A US 33953773 A US33953773 A US 33953773A US 3903897 A US3903897 A US 3903897A
- Authority
- US
- United States
- Prior art keywords
- pulse
- wave
- electrode means
- signal
- atrial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/056—Transvascular endocardial electrode systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
- A61B5/29—Invasive for permanent or long-term implantation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
- A61N1/368—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Physiology (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Electrotherapy Devices (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1150172A GB1424355A (en) | 1972-03-11 | 1972-03-11 | Cardiac pacers |
Publications (1)
Publication Number | Publication Date |
---|---|
US3903897A true US3903897A (en) | 1975-09-09 |
Family
ID=9987420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US339537A Expired - Lifetime US3903897A (en) | 1972-03-11 | 1973-03-09 | Cardiac pacer |
Country Status (7)
Country | Link |
---|---|
US (1) | US3903897A (en) |
JP (1) | JPS5648182B2 (en) |
CH (1) | CH547644A (en) |
DE (1) | DE2311842A1 (en) |
FR (1) | FR2182866B3 (en) |
GB (1) | GB1424355A (en) |
NL (1) | NL7303386A (en) |
Cited By (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4038991A (en) * | 1976-03-15 | 1977-08-02 | Arco Medical Products Company | Cardiac pacer with rate limiting means |
US4059116A (en) * | 1974-12-09 | 1977-11-22 | Medtronic, Inc. | Synchronous pacemaker with upper rate stabilization and method of use |
US4074720A (en) * | 1976-04-07 | 1978-02-21 | Esb Incorporated | Cardiac pacer with rate runaway protection |
US4088140A (en) * | 1976-06-18 | 1978-05-09 | Medtronic, Inc. | Demand anti-arrhythmia pacemaker |
US4091818A (en) * | 1976-08-03 | 1978-05-30 | Research Corporation | Cardiac pacing apparatus with electromagnetic interference protection |
US4091817A (en) * | 1976-09-27 | 1978-05-30 | American Optical Corporation | P-Wave control, R-wave inhibited ventricular stimulation device |
US4095603A (en) * | 1976-12-17 | 1978-06-20 | Cordis Corporation | Cardiac pacer employing discrete frequency changes |
DE2701104A1 (en) * | 1977-01-12 | 1978-07-13 | Medtronic France S A | PACEMAKER |
US4108148A (en) * | 1976-11-03 | 1978-08-22 | Sheldon Thaler | Pacer with automatically variable A-V interval |
DE2809091A1 (en) * | 1977-03-03 | 1978-09-07 | Bozal Gonzalez Jose L | PACEMAKER |
US4166470A (en) * | 1977-10-17 | 1979-09-04 | Medtronic, Inc. | Externally controlled and powered cardiac stimulating apparatus |
US4172459A (en) * | 1977-10-17 | 1979-10-30 | Medtronic, Inc. | Cardiac monitoring apparatus and monitor |
US4173230A (en) * | 1977-08-19 | 1979-11-06 | Biotronik Mess- Und Therapiegerate Gmbh & Co. | Noise elimination and refractory period control in demand pacers |
US4187854A (en) * | 1977-10-17 | 1980-02-12 | Medtronic, Inc. | Implantable demand pacemaker and monitor |
US4233985A (en) * | 1978-11-06 | 1980-11-18 | Medtronic Inc. | Multi-mode programmable digital cardiac pacemaker |
US4337777A (en) * | 1980-12-24 | 1982-07-06 | Medtronic, Inc. | Rate limited pacer |
US4343311A (en) * | 1980-04-30 | 1982-08-10 | Medtronic, Inc. | Atrial refractory control for R-wave rejection in pacemakers |
US4344437A (en) * | 1980-04-30 | 1982-08-17 | Medtronic, Inc. | Pacemaker triggering coupling circuit |
US4354501A (en) * | 1979-08-28 | 1982-10-19 | Univ Washington | Esophageal catheter including ultrasonic transducer for use in detection of air emboli |
US4365639A (en) * | 1980-02-07 | 1982-12-28 | Applied Cardiac Electrophysiology | Catheter, cardiac pacemaker and method of pacing |
US4386610A (en) * | 1980-05-27 | 1983-06-07 | Cordis Corporation | Ventricular-inhibited cardiac pacer |
US4401119A (en) * | 1981-02-17 | 1983-08-30 | Medtronic, Inc. | Prolongation of timing intervals in response to ectopic heart beats in atrial and ventricular pacemakers |
US4407287A (en) * | 1981-02-17 | 1983-10-04 | Medtronic, Inc. | Atrial and ventricular-only pacemaker responsive to premature ventricular contractions |
FR2524807A1 (en) * | 1982-04-12 | 1983-10-14 | Telectronics Pty Ltd | BICAVITARY CARDIAC STIMULANT WITH IMPROVED VENTRICULAR RHYTHM CONTROL |
US4412541A (en) * | 1981-04-10 | 1983-11-01 | Max Schaldach | Cardiac pacemaker |
US4444195A (en) * | 1981-11-02 | 1984-04-24 | Cordis Corporation | Cardiac lead having multiple ring electrodes |
EP0113854A1 (en) * | 1982-12-21 | 1984-07-25 | Siemens Aktiengesellschaft | Bifocal pacemaker with two unipolar electrodes |
US4462407A (en) * | 1982-05-05 | 1984-07-31 | Cordis Corporation | Dual channel cardiac pacer isolation circuit |
US4462406A (en) * | 1982-05-05 | 1984-07-31 | Cordis Corporation | Dual channel isolation system for cardiac pacer |
US4470418A (en) * | 1982-05-05 | 1984-09-11 | Cordis Corporation | Dual channel cardiac pacer isolation circuit |
FR2544989A1 (en) * | 1983-04-29 | 1984-11-02 | Ela Medical Sa | Auriculoventricular cardiac stimulator |
US4503857A (en) * | 1981-10-26 | 1985-03-12 | Vitatron Medical B.V. | Programmable cardiac pacemaker with microprocessor control of pacer rate |
US4505276A (en) * | 1983-06-15 | 1985-03-19 | Medtronic, Inc. | Device for detecting retrograde conduction |
US4510945A (en) * | 1982-07-12 | 1985-04-16 | Cordis Corporation | P Wave detection system |
US4515159A (en) * | 1978-11-06 | 1985-05-07 | Medtronic, Inc. | Digital cardiac pacemaker with rate limit means |
US4539991A (en) * | 1983-02-11 | 1985-09-10 | Vitafin N.V. | Dual chamber pacemaker |
US4586507A (en) * | 1984-10-04 | 1986-05-06 | Cordis Corporation | Dual channel cardiac pacer isolation circuit |
EP0202748A1 (en) * | 1985-04-08 | 1986-11-26 | Baylor College of Medicine | Electronic system to distinguish between sinus and nonsinus atrial depolarizations |
US4699147A (en) * | 1985-09-25 | 1987-10-13 | Cordis Corporation | Intraventricular multielectrode cardial mapping probe and method for using same |
US4809681A (en) * | 1986-03-28 | 1989-03-07 | Aisin Seiki Kabushiki Kaisha | Electrocardiographic measurement method for controlling an intra-aortic balloon pump |
US4852580A (en) * | 1986-09-17 | 1989-08-01 | Axiom Medical, Inc. | Catheter for measuring bioimpedance |
US4917115A (en) * | 1988-07-11 | 1990-04-17 | Vitatron Medical B. V. | Pacing system and method for physiological stimulation of the heart utilizing Doppler means |
US4962767A (en) * | 1988-07-05 | 1990-10-16 | Cardiac Control Systems, Inc. | Pacemaker catheter |
US5127403A (en) * | 1988-07-05 | 1992-07-07 | Cardiac Control Systems, Inc. | Pacemaker catheter utilizing bipolar electrodes spaced in accordance to the length of a heart depolarization signal |
US5144950A (en) * | 1990-08-30 | 1992-09-08 | Vitatron Medical B.V. | Rate controlled pacemaker system using ar interval for rate control |
US5172694A (en) * | 1991-05-30 | 1992-12-22 | Vitatron Medical B.V. | Single pacing lead and method utilizing two different floating bipoles |
US5243976A (en) * | 1990-09-11 | 1993-09-14 | Ferek Petric Bozidar | Tricuspid flow synchronized cardiac electrotherapy system with blood flow measurement transducer and controlled pacing signals based on blood flow measurement |
US5318595A (en) * | 1989-09-25 | 1994-06-07 | Ferek Petric Bozidar | Pacing method and system for blood flow velocity measurement and regulation of heart stimulating signals based on blood flow velocity |
US5348021A (en) * | 1992-03-31 | 1994-09-20 | Incontrol, Inc. | Apparatus and method for reliably detecting a depolarization activation wave of the heart and atrial defibrillator utilizing same |
US5385146A (en) * | 1993-01-08 | 1995-01-31 | Goldreyer; Bruce N. | Orthogonal sensing for use in clinical electrophysiology |
US5571143A (en) * | 1992-11-04 | 1996-11-05 | Pacesetter Ab | Heart Stimulator |
US5628778A (en) * | 1994-11-21 | 1997-05-13 | Medtronic Inc. | Single pass medical electrical lead |
WO1997031678A1 (en) * | 1996-03-01 | 1997-09-04 | BIOTRONIK MESS- UND THERAPIEGERäTE GMBH & CO. INGENIEURBüRO BERLIN | Electrode arrangement |
US5730142A (en) * | 1996-12-04 | 1998-03-24 | Medtronic, Inc. | Method and apparatus for detecting tachycardia |
US5755761A (en) * | 1996-04-26 | 1998-05-26 | Pharmatarget, Inc. | Atrial pacing catheter and method having multiple electrodes in the right atrium and coronary sinus |
US5755739A (en) * | 1996-12-04 | 1998-05-26 | Medtronic, Inc. | Adaptive and morphological system for discriminating P-waves and R-waves inside the human body |
US5846196A (en) * | 1995-12-13 | 1998-12-08 | Cordis Europa N.V. | Intravascular multielectrode cardiac mapping probe |
WO1999011320A1 (en) | 1997-09-02 | 1999-03-11 | Medtronic, Inc. | Single pass lead and method of use |
US5948014A (en) * | 1998-01-23 | 1999-09-07 | Pacesetter, Inc. | Implantable stimulation system having a single-pass, tripolar lead and programmable polarity |
USH1905H (en) * | 1997-03-21 | 2000-10-03 | Medtronic, Inc. | Mechanism for adjusting the exposed surface area and position of an electrode along a lead body |
US6345198B1 (en) | 1998-01-23 | 2002-02-05 | Pacesetter, Inc. | Implantable stimulation system for providing dual bipolar sensing using an electrode positioned in proximity to the tricuspid valve and programmable polarity |
US6549812B1 (en) | 1999-11-29 | 2003-04-15 | Medtronic, Inc. | Medical electrical lead having bending stiffness which increase in the distal direction |
US6556873B1 (en) | 1999-11-29 | 2003-04-29 | Medtronic, Inc. | Medical electrical lead having variable bending stiffness |
US20030105501A1 (en) * | 2001-12-03 | 2003-06-05 | Warman Eduardo N. | Shaped lead with electrodes |
WO2003047687A2 (en) | 2001-12-03 | 2003-06-12 | Medtronic,Inc. | Shaped lead with electrodes |
US6772008B2 (en) | 2001-09-28 | 2004-08-03 | Cardiac Pacemakers, Inc. | Method and apparatus for avoidance of phrenic nerve stimulation during cardiac pacing |
US20050021096A1 (en) * | 2003-07-24 | 2005-01-27 | Mirowski Family Ventures, L.L.C. | Methods, apparatus, and systems for multiple stimulation from a single stimulator |
US20050055057A1 (en) * | 2003-09-05 | 2005-03-10 | Mirowski Famliy Ventures, L.L.C. | Method and apparatus for providing ipselateral therapy |
US20050055058A1 (en) * | 2003-09-08 | 2005-03-10 | Mower Morton M. | Method and apparatus for intrachamber resynchronization |
US7162304B1 (en) * | 2003-05-08 | 2007-01-09 | Advanced Bionics Corporation | System for measuring cardiac rhythm parameters for assessment of spinal cord stimulation |
US20070083240A1 (en) * | 2003-05-08 | 2007-04-12 | Peterson David K L | Methods and systems for applying stimulation and sensing one or more indicators of cardiac activity with an implantable stimulator |
USRE39897E1 (en) | 1989-01-23 | 2007-10-23 | Mirowski Family Ventures, L.L.C. | Method and apparatus for treating hemodynamic disfunction |
US8346339B2 (en) | 2011-04-22 | 2013-01-01 | Topera, Inc. | Basket style cardiac mapping catheter having a flexible electrode assembly for detection of cardiac rhythm disorders |
US9533159B2 (en) | 2013-08-30 | 2017-01-03 | Cardiac Pacemakers, Inc. | Unwanted stimulation detection during cardiac pacing |
US9604065B2 (en) | 2013-08-30 | 2017-03-28 | Cardiac Pacemakers, Inc. | Unwanted stimulation detection during cardiac pacing |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE32204E (en) * | 1980-06-09 | 1986-07-15 | Mansfield Scientific, Inc. | Electrode assembly for temporary pacing and heart measurements |
US4363325A (en) * | 1981-01-19 | 1982-12-14 | Medtronic, Inc. | Mode adaptive pacer |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3253596A (en) * | 1963-05-27 | 1966-05-31 | Cordis Corp | Cardiac pacer |
US3348548A (en) * | 1965-04-26 | 1967-10-24 | William M Chardack | Implantable electrode with stiffening stylet |
US3433228A (en) * | 1966-05-06 | 1969-03-18 | Cordis Corp | Multimode cardiac pacer |
US3528428A (en) * | 1968-04-11 | 1970-09-15 | American Optical Corp | Demand pacer |
US3648707A (en) * | 1969-07-16 | 1972-03-14 | Medtronic Inc | Multimode cardiac paces with p-wave and r-wave sensing means |
US3664347A (en) * | 1968-07-27 | 1972-05-23 | Dietrich Harmjanz | Electric heart stimulation method and electrode |
-
1972
- 1972-03-11 GB GB1150172A patent/GB1424355A/en not_active Expired
-
1973
- 1973-03-09 US US339537A patent/US3903897A/en not_active Expired - Lifetime
- 1973-03-09 CH CH354173A patent/CH547644A/en not_active IP Right Cessation
- 1973-03-09 FR FR7308437A patent/FR2182866B3/fr not_active Expired
- 1973-03-09 NL NL7303386A patent/NL7303386A/xx unknown
- 1973-03-09 DE DE2311842A patent/DE2311842A1/en active Pending
- 1973-03-12 JP JP2892073A patent/JPS5648182B2/ja not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3253596A (en) * | 1963-05-27 | 1966-05-31 | Cordis Corp | Cardiac pacer |
US3348548A (en) * | 1965-04-26 | 1967-10-24 | William M Chardack | Implantable electrode with stiffening stylet |
US3433228A (en) * | 1966-05-06 | 1969-03-18 | Cordis Corp | Multimode cardiac pacer |
US3528428A (en) * | 1968-04-11 | 1970-09-15 | American Optical Corp | Demand pacer |
US3664347A (en) * | 1968-07-27 | 1972-05-23 | Dietrich Harmjanz | Electric heart stimulation method and electrode |
US3648707A (en) * | 1969-07-16 | 1972-03-14 | Medtronic Inc | Multimode cardiac paces with p-wave and r-wave sensing means |
Cited By (110)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4059116A (en) * | 1974-12-09 | 1977-11-22 | Medtronic, Inc. | Synchronous pacemaker with upper rate stabilization and method of use |
US4038991A (en) * | 1976-03-15 | 1977-08-02 | Arco Medical Products Company | Cardiac pacer with rate limiting means |
US4074720A (en) * | 1976-04-07 | 1978-02-21 | Esb Incorporated | Cardiac pacer with rate runaway protection |
US4088140A (en) * | 1976-06-18 | 1978-05-09 | Medtronic, Inc. | Demand anti-arrhythmia pacemaker |
US4091818A (en) * | 1976-08-03 | 1978-05-30 | Research Corporation | Cardiac pacing apparatus with electromagnetic interference protection |
US4091817A (en) * | 1976-09-27 | 1978-05-30 | American Optical Corporation | P-Wave control, R-wave inhibited ventricular stimulation device |
US4108148A (en) * | 1976-11-03 | 1978-08-22 | Sheldon Thaler | Pacer with automatically variable A-V interval |
US4095603A (en) * | 1976-12-17 | 1978-06-20 | Cordis Corporation | Cardiac pacer employing discrete frequency changes |
DE2701104A1 (en) * | 1977-01-12 | 1978-07-13 | Medtronic France S A | PACEMAKER |
DE2809091A1 (en) * | 1977-03-03 | 1978-09-07 | Bozal Gonzalez Jose L | PACEMAKER |
US4173230A (en) * | 1977-08-19 | 1979-11-06 | Biotronik Mess- Und Therapiegerate Gmbh & Co. | Noise elimination and refractory period control in demand pacers |
US4166470A (en) * | 1977-10-17 | 1979-09-04 | Medtronic, Inc. | Externally controlled and powered cardiac stimulating apparatus |
US4172459A (en) * | 1977-10-17 | 1979-10-30 | Medtronic, Inc. | Cardiac monitoring apparatus and monitor |
US4187854A (en) * | 1977-10-17 | 1980-02-12 | Medtronic, Inc. | Implantable demand pacemaker and monitor |
US4233985A (en) * | 1978-11-06 | 1980-11-18 | Medtronic Inc. | Multi-mode programmable digital cardiac pacemaker |
US4515159A (en) * | 1978-11-06 | 1985-05-07 | Medtronic, Inc. | Digital cardiac pacemaker with rate limit means |
US4354501A (en) * | 1979-08-28 | 1982-10-19 | Univ Washington | Esophageal catheter including ultrasonic transducer for use in detection of air emboli |
US4365639A (en) * | 1980-02-07 | 1982-12-28 | Applied Cardiac Electrophysiology | Catheter, cardiac pacemaker and method of pacing |
US4343311A (en) * | 1980-04-30 | 1982-08-10 | Medtronic, Inc. | Atrial refractory control for R-wave rejection in pacemakers |
US4344437A (en) * | 1980-04-30 | 1982-08-17 | Medtronic, Inc. | Pacemaker triggering coupling circuit |
US4386610A (en) * | 1980-05-27 | 1983-06-07 | Cordis Corporation | Ventricular-inhibited cardiac pacer |
US4337777A (en) * | 1980-12-24 | 1982-07-06 | Medtronic, Inc. | Rate limited pacer |
DE3150524A1 (en) * | 1980-12-24 | 1982-07-08 | Medtronic, Inc., 55440 Minneapolis, Minn. | PACEMAKERS |
US4401119A (en) * | 1981-02-17 | 1983-08-30 | Medtronic, Inc. | Prolongation of timing intervals in response to ectopic heart beats in atrial and ventricular pacemakers |
US4407287A (en) * | 1981-02-17 | 1983-10-04 | Medtronic, Inc. | Atrial and ventricular-only pacemaker responsive to premature ventricular contractions |
US4412541A (en) * | 1981-04-10 | 1983-11-01 | Max Schaldach | Cardiac pacemaker |
US4503857A (en) * | 1981-10-26 | 1985-03-12 | Vitatron Medical B.V. | Programmable cardiac pacemaker with microprocessor control of pacer rate |
US4444195A (en) * | 1981-11-02 | 1984-04-24 | Cordis Corporation | Cardiac lead having multiple ring electrodes |
FR2524807A1 (en) * | 1982-04-12 | 1983-10-14 | Telectronics Pty Ltd | BICAVITARY CARDIAC STIMULANT WITH IMPROVED VENTRICULAR RHYTHM CONTROL |
US4462406A (en) * | 1982-05-05 | 1984-07-31 | Cordis Corporation | Dual channel isolation system for cardiac pacer |
US4470418A (en) * | 1982-05-05 | 1984-09-11 | Cordis Corporation | Dual channel cardiac pacer isolation circuit |
US4462407A (en) * | 1982-05-05 | 1984-07-31 | Cordis Corporation | Dual channel cardiac pacer isolation circuit |
US4510945A (en) * | 1982-07-12 | 1985-04-16 | Cordis Corporation | P Wave detection system |
EP0113854A1 (en) * | 1982-12-21 | 1984-07-25 | Siemens Aktiengesellschaft | Bifocal pacemaker with two unipolar electrodes |
US4539991A (en) * | 1983-02-11 | 1985-09-10 | Vitafin N.V. | Dual chamber pacemaker |
FR2544989A1 (en) * | 1983-04-29 | 1984-11-02 | Ela Medical Sa | Auriculoventricular cardiac stimulator |
US4505276A (en) * | 1983-06-15 | 1985-03-19 | Medtronic, Inc. | Device for detecting retrograde conduction |
US4586507A (en) * | 1984-10-04 | 1986-05-06 | Cordis Corporation | Dual channel cardiac pacer isolation circuit |
EP0202748A1 (en) * | 1985-04-08 | 1986-11-26 | Baylor College of Medicine | Electronic system to distinguish between sinus and nonsinus atrial depolarizations |
US4699147A (en) * | 1985-09-25 | 1987-10-13 | Cordis Corporation | Intraventricular multielectrode cardial mapping probe and method for using same |
US4809681A (en) * | 1986-03-28 | 1989-03-07 | Aisin Seiki Kabushiki Kaisha | Electrocardiographic measurement method for controlling an intra-aortic balloon pump |
US4852580A (en) * | 1986-09-17 | 1989-08-01 | Axiom Medical, Inc. | Catheter for measuring bioimpedance |
US5127403A (en) * | 1988-07-05 | 1992-07-07 | Cardiac Control Systems, Inc. | Pacemaker catheter utilizing bipolar electrodes spaced in accordance to the length of a heart depolarization signal |
US4962767A (en) * | 1988-07-05 | 1990-10-16 | Cardiac Control Systems, Inc. | Pacemaker catheter |
US4917115A (en) * | 1988-07-11 | 1990-04-17 | Vitatron Medical B. V. | Pacing system and method for physiological stimulation of the heart utilizing Doppler means |
USRE39897E1 (en) | 1989-01-23 | 2007-10-23 | Mirowski Family Ventures, L.L.C. | Method and apparatus for treating hemodynamic disfunction |
US5318595A (en) * | 1989-09-25 | 1994-06-07 | Ferek Petric Bozidar | Pacing method and system for blood flow velocity measurement and regulation of heart stimulating signals based on blood flow velocity |
US5144950A (en) * | 1990-08-30 | 1992-09-08 | Vitatron Medical B.V. | Rate controlled pacemaker system using ar interval for rate control |
US5243976A (en) * | 1990-09-11 | 1993-09-14 | Ferek Petric Bozidar | Tricuspid flow synchronized cardiac electrotherapy system with blood flow measurement transducer and controlled pacing signals based on blood flow measurement |
US5316001A (en) * | 1990-09-11 | 1994-05-31 | Ferek Petric Bozidar | Cardiac measurement system for measuring blood flow velocity by use of a sensor implanted inside the heart |
US5172694A (en) * | 1991-05-30 | 1992-12-22 | Vitatron Medical B.V. | Single pacing lead and method utilizing two different floating bipoles |
US5348021A (en) * | 1992-03-31 | 1994-09-20 | Incontrol, Inc. | Apparatus and method for reliably detecting a depolarization activation wave of the heart and atrial defibrillator utilizing same |
US5571143A (en) * | 1992-11-04 | 1996-11-05 | Pacesetter Ab | Heart Stimulator |
US5385146A (en) * | 1993-01-08 | 1995-01-31 | Goldreyer; Bruce N. | Orthogonal sensing for use in clinical electrophysiology |
US5628778A (en) * | 1994-11-21 | 1997-05-13 | Medtronic Inc. | Single pass medical electrical lead |
US6006139A (en) * | 1994-11-21 | 1999-12-21 | Medtronic, Inc. | Single pass medical electrical lead with cap electrodes |
US5995876A (en) * | 1994-11-21 | 1999-11-30 | Medtronic, Inc. | Single pass medical electrical lead |
US5846196A (en) * | 1995-12-13 | 1998-12-08 | Cordis Europa N.V. | Intravascular multielectrode cardiac mapping probe |
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Also Published As
Publication number | Publication date |
---|---|
FR2182866B3 (en) | 1976-03-05 |
GB1424355A (en) | 1976-02-11 |
JPS4948184A (en) | 1974-05-10 |
DE2311842A1 (en) | 1973-09-20 |
JPS5648182B2 (en) | 1981-11-13 |
FR2182866A1 (en) | 1973-12-14 |
CH547644A (en) | 1974-04-11 |
NL7303386A (en) | 1973-09-13 |
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