DK142226B - Demand-Pacemaker. - Google Patents
Demand-Pacemaker. Download PDFInfo
- Publication number
- DK142226B DK142226B DK576874AA DK576874A DK142226B DK 142226 B DK142226 B DK 142226B DK 576874A A DK576874A A DK 576874AA DK 576874 A DK576874 A DK 576874A DK 142226 B DK142226 B DK 142226B
- Authority
- DK
- Denmark
- Prior art keywords
- frequency
- pulse
- pulses
- electrode
- signal
- Prior art date
Links
- 230000000747 cardiac effect Effects 0.000 description 18
- 239000004606 Fillers/Extenders Substances 0.000 description 12
- 230000004936 stimulating effect Effects 0.000 description 7
- 230000000638 stimulation Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033764 rhythmic process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010007559 Cardiac failure congestive Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000005242 cardiac chamber Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41345173 | 1973-11-07 | ||
| US413451A US3870050A (en) | 1973-11-07 | 1973-11-07 | Demand pacer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK576874A DK576874A (enrdf_load_stackoverflow) | 1975-07-07 |
| DK142226B true DK142226B (da) | 1980-09-29 |
| DK142226C DK142226C (enrdf_load_stackoverflow) | 1981-02-23 |
Family
ID=23637272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK576874AA DK142226B (da) | 1973-11-07 | 1974-11-06 | Demand-Pacemaker. |
Country Status (13)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4052991A (en) * | 1970-03-24 | 1977-10-11 | Fred Zacouto | Method of stimulating the heart |
| US3972334A (en) * | 1975-02-10 | 1976-08-03 | Telectronics Pty. Limited | Demand heart pacer with dual time bases |
| US3949759A (en) * | 1975-05-05 | 1976-04-13 | Research Corporation | Cardiac pacing apparatus |
| US4088140A (en) * | 1976-06-18 | 1978-05-09 | Medtronic, Inc. | Demand anti-arrhythmia pacemaker |
| US4095603A (en) * | 1976-12-17 | 1978-06-20 | Cordis Corporation | Cardiac pacer employing discrete frequency changes |
| US4164945A (en) * | 1977-06-13 | 1979-08-21 | Medtronic, Inc. | Digital cardiac pacemaker medical device |
| AU530108B2 (en) * | 1978-11-06 | 1983-06-30 | Medtronic, Inc. | Digital cardiac pacemaker |
| US4241736A (en) * | 1978-11-06 | 1980-12-30 | Medtronic, Inc. | Reset means for programmable digital cardiac pacemaker |
| DE2939254A1 (de) * | 1979-09-27 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | Herzschrittmacher |
| US4557266A (en) * | 1979-12-13 | 1985-12-10 | American Hospital Supply Corporation | Programmable digital cardiac pacer |
| US4610408A (en) * | 1980-03-13 | 1986-09-09 | Coiled Investments, Inc. | Strip feed mechanism |
| US4386610A (en) * | 1980-05-27 | 1983-06-07 | Cordis Corporation | Ventricular-inhibited cardiac pacer |
| US4590941A (en) * | 1981-03-02 | 1986-05-27 | Cordis Corporation | Cardiac pacer with improved battery system, output circuitry, and emergency operation |
| US4561444A (en) * | 1981-08-10 | 1985-12-31 | Cordis Corporation | Implantable cardiac pacer having dual frequency programming and bipolar/linipolar lead programmability |
| US5370668A (en) * | 1993-06-22 | 1994-12-06 | Medtronic, Inc. | Fault-tolerant elective replacement indication for implantable medical device |
| US5387228A (en) * | 1993-06-22 | 1995-02-07 | Medtronic, Inc. | Cardiac pacemaker with programmable output pulse amplitude and method |
| US6778236B1 (en) * | 2000-06-01 | 2004-08-17 | Reveo, Inc. | Reflective liquid crystal strain gauge with aspected particles and polarization-sensitive devices |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1282802B (de) * | 1966-02-09 | 1968-11-14 | Fritz Hellige & Co G M B H Fab | Geraet zur elektrischen Stimulierung des Herzens |
| US3431912A (en) * | 1966-05-06 | 1969-03-11 | Cordis Corp | Standby cardiac pacer |
| US3528428A (en) * | 1968-04-11 | 1970-09-15 | American Optical Corp | Demand pacer |
| US3557796A (en) * | 1969-03-10 | 1971-01-26 | Cordis Corp | Digital counter driven pacer |
| US3618615A (en) * | 1969-09-02 | 1971-11-09 | Medtronic Inc | Self checking cardiac pacemaker |
| US3703900A (en) * | 1969-12-02 | 1972-11-28 | Cardiac Resuscitator Corp | Cardiac resuscitator |
-
1973
- 1973-11-07 US US413451A patent/US3870050A/en not_active Expired - Lifetime
-
1974
- 1974-10-31 CA CA212,803A patent/CA1032225A/en not_active Expired
- 1974-11-04 IL IL45988A patent/IL45988A/en unknown
- 1974-11-05 SE SE7413872A patent/SE404991B/xx unknown
- 1974-11-06 NO NO744003A patent/NO141009C/no unknown
- 1974-11-06 DK DK576874AA patent/DK142226B/da unknown
- 1974-11-06 DE DE2452516A patent/DE2452516C3/de not_active Expired
- 1974-11-06 JP JP49128513A patent/JPS5746861B2/ja not_active Expired
- 1974-11-07 CH CH1490474A patent/CH579398A5/xx not_active IP Right Cessation
- 1974-11-07 IT IT29216/74A patent/IT1025520B/it active
- 1974-11-07 NL NL7414555A patent/NL7414555A/xx not_active Application Discontinuation
- 1974-11-07 GB GB48211/74A patent/GB1484504A/en not_active Expired
- 1974-11-15 FR FR7437697A patent/FR2249649B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH579398A5 (enrdf_load_stackoverflow) | 1976-09-15 |
| FR2249649B1 (enrdf_load_stackoverflow) | 1979-06-01 |
| GB1484504A (en) | 1977-09-01 |
| DE2452516C3 (de) | 1979-01-25 |
| SE7413872L (enrdf_load_stackoverflow) | 1975-05-09 |
| DE2452516B2 (de) | 1978-05-24 |
| US3870050A (en) | 1975-03-11 |
| DK576874A (enrdf_load_stackoverflow) | 1975-07-07 |
| DK142226C (enrdf_load_stackoverflow) | 1981-02-23 |
| NL7414555A (nl) | 1975-05-12 |
| JPS5079190A (enrdf_load_stackoverflow) | 1975-06-27 |
| IT1025520B (it) | 1978-08-30 |
| AU7505074A (en) | 1976-05-06 |
| SE404991B (sv) | 1978-11-13 |
| IL45988A0 (en) | 1975-08-31 |
| NO744003L (enrdf_load_stackoverflow) | 1975-06-02 |
| FR2249649A1 (enrdf_load_stackoverflow) | 1975-05-30 |
| CA1032225A (en) | 1978-05-30 |
| IL45988A (en) | 1977-07-31 |
| DE2452516A1 (de) | 1975-05-22 |
| NO141009C (no) | 1979-12-27 |
| JPS5746861B2 (enrdf_load_stackoverflow) | 1982-10-06 |
| NO141009B (no) | 1979-09-17 |
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