IT1212617B - Stimolatore cardiaco autoregolato in frequenza per mezzo dell'onda t elettrocardiografica - Google Patents
Stimolatore cardiaco autoregolato in frequenza per mezzo dell'onda t elettrocardiograficaInfo
- Publication number
- IT1212617B IT1212617B IT8209537A IT953782A IT1212617B IT 1212617 B IT1212617 B IT 1212617B IT 8209537 A IT8209537 A IT 8209537A IT 953782 A IT953782 A IT 953782A IT 1212617 B IT1212617 B IT 1212617B
- Authority
- IT
- Italy
- Prior art keywords
- electrocardiographic
- wave
- self
- frequency
- heart stimulator
- Prior art date
Links
Classifications
-
- 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
- A61N1/36507—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by gradient or slope of the heart potential
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physiology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8209537A IT1212617B (it) | 1982-11-05 | 1982-11-05 | Stimolatore cardiaco autoregolato in frequenza per mezzo dell'onda t elettrocardiografica |
EP83830219A EP0108731A1 (en) | 1982-11-05 | 1983-11-03 | Cardiac stimulator with frequency self-regulation through the electrocardiographic T wave |
US06/548,775 US4556062A (en) | 1982-11-05 | 1983-11-04 | Cardiac stimulator with frequency self-regulation through the electrocardiographic T wave |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8209537A IT1212617B (it) | 1982-11-05 | 1982-11-05 | Stimolatore cardiaco autoregolato in frequenza per mezzo dell'onda t elettrocardiografica |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8209537A0 IT8209537A0 (it) | 1982-11-05 |
IT1212617B true IT1212617B (it) | 1989-11-30 |
Family
ID=11131827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8209537A IT1212617B (it) | 1982-11-05 | 1982-11-05 | Stimolatore cardiaco autoregolato in frequenza per mezzo dell'onda t elettrocardiografica |
Country Status (3)
Country | Link |
---|---|
US (1) | US4556062A (it) |
EP (1) | EP0108731A1 (it) |
IT (1) | IT1212617B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4719921A (en) * | 1985-08-28 | 1988-01-19 | Raul Chirife | Cardiac pacemaker adaptive to physiological requirements |
US4907593A (en) * | 1987-05-21 | 1990-03-13 | Biocontrol Technology, Inc. | Adaptation of heart pacing to physical activity |
US4827934A (en) * | 1987-10-27 | 1989-05-09 | Siemens-Pacesetter, Inc. | Sensing margin detectors for implantable electromedical devices |
US5040535A (en) * | 1989-01-25 | 1991-08-20 | Siemens-Pacesetter, Inc. | Average amplitude controlled rate-responsive pacemaker having automatically adjustable control parameters |
US5040534A (en) * | 1989-01-25 | 1991-08-20 | Siemens-Pacesetter, Inc. | Microprocessor controlled rate-responsive pacemaker having automatic rate response threshold adjustment |
US5312455A (en) * | 1993-05-26 | 1994-05-17 | Siemens Pacesetter, Inc. | Programmable window reference generator for use in an implantable cardiac pacemaker |
US5336242A (en) * | 1993-05-26 | 1994-08-09 | Siemens Pacesetter, Inc. | Band-pass filter for use in a sense amplifier of an implantable cardiac pacer |
US5476487A (en) * | 1994-12-28 | 1995-12-19 | Pacesetter, Inc. | Autothreshold assessment in an implantable pacemaker |
SE9701121D0 (sv) * | 1997-03-26 | 1997-03-26 | Pacesetter Ab | Implantable heart stimulator |
DE19758109A1 (de) * | 1997-12-17 | 1999-06-24 | Biotronik Mess & Therapieg | Herzstimulator |
US6324427B1 (en) | 1999-01-26 | 2001-11-27 | Pacesetter, Inc. | Implantable cardiac stimulation device having T-wave discrimination of fusion events during autocapture/autothreshold assessment |
US7027867B2 (en) * | 2002-06-28 | 2006-04-11 | Pacesetter, Inc. | Implantable cardiac device having a system for detecting T wave alternan patterns and method |
US7756571B1 (en) | 2005-09-16 | 2010-07-13 | Pacesetter, Inc. | Methods and systems for detecting the presence of T-wave alternans |
US7881792B1 (en) | 2005-09-16 | 2011-02-01 | Pacesetter, Inc. | Methods and systems for detecting the presence of T-wave alternans |
US7738956B1 (en) | 2006-01-27 | 2010-06-15 | Pacesetter, Inc. | Pacing schemes for revealing T-wave alternans (TWA) at low to moderate heart rates |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2217235C3 (de) * | 1972-04-11 | 1983-11-03 | Hellige Gmbh, 7800 Freiburg | Vorrichtung zur Überwachung der Herztätigkeit eines Patienten durch Ermittlung und Vergleich von Formkriterien des Herzaktionssignals |
JPS4953353A (it) * | 1972-07-13 | 1974-05-23 | ||
US4000461A (en) * | 1973-10-04 | 1976-12-28 | Textronix, Inc. | R-wave detector |
GB1510127A (en) * | 1974-12-31 | 1978-05-10 | Atomic Energy Authority Uk | Nuclear reactor fuel element assemblies |
US4136690A (en) * | 1977-10-31 | 1979-01-30 | Del Mar Avionics | Method and apparatus for vector analysis of ECG arrhythmias |
US4228803A (en) * | 1978-06-23 | 1980-10-21 | Credit Du Nord International N.V. | Physiologically adaptive cardiac pacemaker |
US4305396A (en) * | 1979-04-16 | 1981-12-15 | Vitatron Medical B.V. | Rate adaptive pacemaker and method of cardiac pacing |
US4388927A (en) * | 1979-12-13 | 1983-06-21 | American Hospital Supply Corporation | Programmable digital cardiac pacer |
US4423733A (en) * | 1981-08-21 | 1984-01-03 | Gino Grassi | Relay circuit for cardiac pacemaker implant |
US4428378A (en) * | 1981-11-19 | 1984-01-31 | Medtronic, Inc. | Rate adaptive pacer |
-
1982
- 1982-11-05 IT IT8209537A patent/IT1212617B/it active
-
1983
- 1983-11-03 EP EP83830219A patent/EP0108731A1/en not_active Withdrawn
- 1983-11-04 US US06/548,775 patent/US4556062A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0108731A1 (en) | 1984-05-16 |
IT8209537A0 (it) | 1982-11-05 |
US4556062A (en) | 1985-12-03 |
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