GB1520671A - Heart pacemakers - Google Patents
Heart pacemakersInfo
- Publication number
- GB1520671A GB1520671A GB5026875A GB5026875A GB1520671A GB 1520671 A GB1520671 A GB 1520671A GB 5026875 A GB5026875 A GB 5026875A GB 5026875 A GB5026875 A GB 5026875A GB 1520671 A GB1520671 A GB 1520671A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wave
- oscillator
- rate
- capacitor
- detection
- 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
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
- A61N1/3621—Heart stimulators for treating or preventing abnormally high heart rate
- A61N1/3622—Heart stimulators for treating or preventing abnormally high heart rate comprising two or more electrodes co-operating with different heart regions
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53079974A | 1974-12-09 | 1974-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1520671A true GB1520671A (en) | 1978-08-09 |
Family
ID=24115026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5026875A Expired GB1520671A (en) | 1974-12-09 | 1975-12-08 | Heart pacemakers |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5178595A (enExample) |
| AU (1) | AU497527B2 (enExample) |
| BR (1) | BR7507064A (enExample) |
| CA (1) | CA1067960A (enExample) |
| DE (1) | DE2554933C2 (enExample) |
| FR (1) | FR2293915A1 (enExample) |
| GB (1) | GB1520671A (enExample) |
| IT (1) | IT1047835B (enExample) |
| NL (1) | NL7512530A (enExample) |
| SE (1) | SE412850B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091817A (en) * | 1976-09-27 | 1978-05-30 | American Optical Corporation | P-Wave control, R-wave inhibited ventricular stimulation device |
| DE2861213D1 (en) * | 1977-10-17 | 1981-12-24 | Medtronic Inc | Heart pacemaker and monitor |
| AU533357B2 (en) * | 1978-11-06 | 1983-11-17 | Medtronic, Inc. | Digital cardiac pacemaker |
| US4344437A (en) * | 1980-04-30 | 1982-08-17 | Medtronic, Inc. | Pacemaker triggering coupling circuit |
| US4429697A (en) * | 1982-04-12 | 1984-02-07 | Telectronics Pty. Ltd. | Dual chamber heart pacer with improved ventricular rate control |
| DE3535517A1 (de) * | 1985-10-04 | 1987-04-09 | Siemens Ag | Vorhofgesteuerter herzschrittmacher |
| DE3535568A1 (de) | 1985-10-04 | 1987-04-09 | Siemens Ag | Vorhofgesteuerter herzschrittmacher |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3057356A (en) * | 1960-07-22 | 1962-10-09 | Wilson Greatbatch Inc | Medical cardiac pacemaker |
| US3253596A (en) * | 1963-05-27 | 1966-05-31 | Cordis Corp | Cardiac pacer |
| US3478746A (en) * | 1965-05-12 | 1969-11-18 | Medtronic Inc | Cardiac implantable demand pacemaker |
| US3648707A (en) * | 1969-07-16 | 1972-03-14 | Medtronic Inc | Multimode cardiac paces with p-wave and r-wave sensing means |
-
1975
- 1975-10-16 IT IT5180975A patent/IT1047835B/it active
- 1975-10-27 NL NL7512530A patent/NL7512530A/xx not_active Application Discontinuation
- 1975-10-29 BR BR7507064A patent/BR7507064A/pt unknown
- 1975-12-02 FR FR7536805A patent/FR2293915A1/fr active Granted
- 1975-12-04 AU AU87247/75A patent/AU497527B2/en not_active Expired
- 1975-12-06 JP JP14587575A patent/JPS5178595A/ja active Granted
- 1975-12-06 DE DE19752554933 patent/DE2554933C2/de not_active Expired
- 1975-12-08 SE SE7513783A patent/SE412850B/xx not_active IP Right Cessation
- 1975-12-08 CA CA241,203A patent/CA1067960A/en not_active Expired
- 1975-12-08 GB GB5026875A patent/GB1520671A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE412850B (sv) | 1980-03-24 |
| FR2293915A1 (fr) | 1976-07-09 |
| JPS5178595A (ja) | 1976-07-08 |
| BR7507064A (pt) | 1976-08-17 |
| JPS5533347B2 (enExample) | 1980-08-30 |
| DE2554933A1 (de) | 1976-06-16 |
| AU8724775A (en) | 1977-06-09 |
| AU497527B2 (en) | 1978-12-14 |
| NL7512530A (nl) | 1976-06-11 |
| SE7513783L (sv) | 1976-06-10 |
| DE2554933C2 (de) | 1982-06-09 |
| FR2293915B1 (enExample) | 1981-03-27 |
| IT1047835B (it) | 1980-10-20 |
| CA1067960A (en) | 1979-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3648707A (en) | Multimode cardiac paces with p-wave and r-wave sensing means | |
| US4181133A (en) | Programmable tachycardia pacer | |
| US4432362A (en) | Atrial-based, atrial-ventricular sequential cardiac pacer | |
| GB1424355A (en) | Cardiac pacers | |
| US4108148A (en) | Pacer with automatically variable A-V interval | |
| US4091817A (en) | P-Wave control, R-wave inhibited ventricular stimulation device | |
| US4401119A (en) | Prolongation of timing intervals in response to ectopic heart beats in atrial and ventricular pacemakers | |
| US4386610A (en) | Ventricular-inhibited cardiac pacer | |
| US3942534A (en) | Device for terminating tachycardia | |
| US3557796A (en) | Digital counter driven pacer | |
| US4407287A (en) | Atrial and ventricular-only pacemaker responsive to premature ventricular contractions | |
| US3528428A (en) | Demand pacer | |
| GB1149559A (en) | Standby cardiac pacer | |
| US4421116A (en) | Heart pacemaker with separate A-V intervals for atrial synchronous and atrial-ventricular sequential pacing modes | |
| GB1108858A (en) | Multimode cardiac pacer | |
| EP0050038B1 (en) | Heart pacemaker with separate a-v intervals for atrial synchronous and atrial-ventricular sequential pacing modes | |
| GB1335679A (en) | Pacemakers | |
| US3870050A (en) | Demand pacer | |
| US3757791A (en) | Synchronized atrial and ventricular pacer and timing circuitry therefor | |
| GB1520671A (en) | Heart pacemakers | |
| US4802483A (en) | Heart pacemaker for avoiding pacemaker mediated tachycardia at mode switching | |
| US3768486A (en) | Atrial and ventricular demand pacer having wide range atrial escape interval | |
| US3662759A (en) | Cardiac pacer system | |
| GB1495949A (en) | Demand heart pacer | |
| ES452570A1 (es) | Un marcapasos cardiaco numerico mejorado. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19951207 |