GB1414862A - Timing circuit for a heart pacer - Google Patents
Timing circuit for a heart pacerInfo
- Publication number
- GB1414862A GB1414862A GB102475A GB102475A GB1414862A GB 1414862 A GB1414862 A GB 1414862A GB 102475 A GB102475 A GB 102475A GB 102475 A GB102475 A GB 102475A GB 1414862 A GB1414862 A GB 1414862A
- Authority
- GB
- United Kingdom
- Prior art keywords
- timing circuit
- heart pacer
- heart
- pacer
- heading
- 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
- A61N1/365—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)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Physiology (AREA)
- Engineering & Computer Science (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)
Abstract
1414862 Heart pacemakers AMERICAN OPTICAL CORP 1 Jan 1973 [30 Dec 1971] 1024/75 Divided out of 1414861 Heading A5R [Also in Division H3] The disclosure is identical to that in Specification 1414861 but the claims relate to a timing circuit for a heart pacemaker. Specifications 1266907 and 1307912 are referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21421871A | 1971-12-30 | 1971-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1414862A true GB1414862A (en) | 1975-11-19 |
Family
ID=22798246
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8873A Expired GB1414861A (en) | 1971-12-30 | 1973-01-01 | Heart pacers |
GB102475A Expired GB1414862A (en) | 1971-12-30 | 1973-01-01 | Timing circuit for a heart pacer |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8873A Expired GB1414861A (en) | 1971-12-30 | 1973-01-01 | Heart pacers |
Country Status (11)
Country | Link |
---|---|
US (1) | US3757791A (en) |
JP (1) | JPS4877685A (en) |
AU (1) | AU476434B2 (en) |
DE (1) | DE2255421A1 (en) |
FR (1) | FR2166004B1 (en) |
GB (2) | GB1414861A (en) |
IL (1) | IL40651A (en) |
IT (1) | IT973847B (en) |
NL (1) | NL7216973A (en) |
SE (1) | SE419290B (en) |
ZA (1) | ZA727551B (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3908667A (en) * | 1973-01-17 | 1975-09-30 | Robert I Bernstein | Cardiac pacer |
JPS5030741U (en) * | 1973-07-09 | 1975-04-05 | ||
FR2298909A1 (en) * | 1975-01-24 | 1976-08-20 | Medtronic Inc | PROTECTION CIRCUIT FOR A HEART STIMULATOR |
US4038990A (en) * | 1975-11-19 | 1977-08-02 | Medtronic, Inc. | Cautery protection circuit for a heart pacemaker |
US3968802A (en) * | 1975-01-24 | 1976-07-13 | Medtronic, Inc. | Cautery protection circuit for a heart pacemaker |
CA1128137A (en) * | 1979-03-30 | 1982-07-20 | Medtronic, Inc. | Rate and a-v delayed generator for heart pacemaker |
US4397316A (en) * | 1979-03-30 | 1983-08-09 | Medtronic, Inc. | Rate and A-V delay generator for heart pacemaker |
US4386610A (en) * | 1980-05-27 | 1983-06-07 | Cordis Corporation | Ventricular-inhibited cardiac pacer |
US4485818A (en) * | 1980-11-14 | 1984-12-04 | Cordis Corporation | Multi-mode microprocessor-based programmable cardiac pacer |
US4510945A (en) * | 1982-07-12 | 1985-04-16 | Cordis Corporation | P Wave detection system |
US5507778A (en) * | 1994-02-22 | 1996-04-16 | Zmd Corporation | Semiautomatic defibrillator with synchronized shock delivery |
US5391187A (en) * | 1994-02-22 | 1995-02-21 | Zmd Corporation | Semiautomatic defibrillator with heart rate alarm driven by shock advisory algorithm |
US5978710A (en) | 1998-01-23 | 1999-11-02 | Sulzer Intermedics Inc. | Implantable cardiac stimulator with safe noise mode |
US6125300A (en) * | 1998-09-11 | 2000-09-26 | Medtronic, Inc. | Implantable device with output circuitry for simultaneous stimulation at multiple sites |
US6711437B2 (en) | 2001-07-30 | 2004-03-23 | Medtronic, Inc. | Pacing channel isolation in multi-site cardiac pacing systems |
US10940318B2 (en) | 2014-06-17 | 2021-03-09 | Morton M. Mower | Method and apparatus for electrical current therapy of biological tissue |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3229687A (en) * | 1964-01-08 | 1966-01-18 | Norman J Holter | Electrocardio recording and reproducing system |
FR1537009A (en) * | 1966-06-13 | 1968-08-23 | Consiglio Nazional Delle Ricer | Self-synchronizing cardiac pacemaker |
CH474271A (en) * | 1967-05-12 | 1969-06-30 | Hoffmann La Roche | Heart stimulator |
US3547127A (en) * | 1968-04-29 | 1970-12-15 | Medtronic Inc | Cardiac pacemaker with regulated power supply |
US3595242A (en) * | 1969-03-26 | 1971-07-27 | American Optical Corp | Atrial and ventricular demand pacer |
US3656487A (en) * | 1969-06-12 | 1972-04-18 | Medtronic Inc | Electronic demand heart pacemaker with different pacing and standby rates |
US3759266A (en) * | 1970-10-07 | 1973-09-18 | Medcor Inc | Ng reset and voltage increasing circuits cardiac autopacer with variable refractory non linear feedback latchi |
-
1971
- 1971-12-30 US US00214218A patent/US3757791A/en not_active Expired - Lifetime
-
1972
- 1972-10-24 IL IL40651A patent/IL40651A/en unknown
- 1972-10-24 ZA ZA727551A patent/ZA727551B/en unknown
- 1972-11-09 DE DE2255421A patent/DE2255421A1/en active Pending
- 1972-11-27 AU AU49332/72A patent/AU476434B2/en not_active Expired
- 1972-12-01 IT IT54424/72A patent/IT973847B/en active
- 1972-12-13 FR FR7246097A patent/FR2166004B1/fr not_active Expired
- 1972-12-14 NL NL7216973A patent/NL7216973A/xx not_active Application Discontinuation
- 1972-12-18 JP JP47126308A patent/JPS4877685A/ja active Pending
-
1973
- 1973-01-01 GB GB8873A patent/GB1414861A/en not_active Expired
- 1973-01-01 GB GB102475A patent/GB1414862A/en not_active Expired
-
1975
- 1975-11-04 SE SE7512320A patent/SE419290B/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS4877685A (en) | 1973-10-18 |
IL40651A0 (en) | 1972-12-29 |
US3757791A (en) | 1973-09-11 |
IT973847B (en) | 1974-06-10 |
DE2255421A1 (en) | 1973-07-05 |
NL7216973A (en) | 1973-07-03 |
AU476434B2 (en) | 1976-09-23 |
FR2166004B1 (en) | 1978-12-29 |
FR2166004A1 (en) | 1973-08-10 |
ZA727551B (en) | 1973-07-25 |
SE7512320L (en) | 1975-11-04 |
SE419290B (en) | 1981-07-27 |
IL40651A (en) | 1974-10-22 |
AU4933272A (en) | 1974-05-30 |
GB1414861A (en) | 1975-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |