CA1100580A - Heart pacer - Google Patents
Heart pacerInfo
- Publication number
- CA1100580A CA1100580A CA287,539A CA287539A CA1100580A CA 1100580 A CA1100580 A CA 1100580A CA 287539 A CA287539 A CA 287539A CA 1100580 A CA1100580 A CA 1100580A
- Authority
- CA
- Canada
- Prior art keywords
- heart
- microprocessor
- pulse generator
- stimulation pulse
- patient
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/284—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator monostable
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (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)
- Power Engineering (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72771076A | 1976-09-29 | 1976-09-29 | |
US727,710 | 1976-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1100580A true CA1100580A (en) | 1981-05-05 |
Family
ID=24923704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA287,539A Expired CA1100580A (en) | 1976-09-29 | 1977-09-26 | Heart pacer |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5342484A (xx) |
BE (1) | BE859086A (xx) |
CA (1) | CA1100580A (xx) |
CH (1) | CH627081A5 (xx) |
DE (1) | DE2738871A1 (xx) |
FR (1) | FR2366012A1 (xx) |
GB (1) | GB1587917A (xx) |
IE (1) | IE45875B1 (xx) |
IT (1) | IT1089836B (xx) |
NL (1) | NL7710571A (xx) |
SE (1) | SE7710869L (xx) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163451A (en) * | 1977-10-26 | 1979-08-07 | Cordis Corporation | Interactive method and digitally timed apparatus for cardiac pacing arrhythmia treatment |
FR2419720A1 (fr) * | 1978-03-14 | 1979-10-12 | Cardiofrance Co | Stimulateur cardiaque implantable a fonctions therapeutique et diagnostique |
FR2424737A1 (fr) * | 1978-05-05 | 1979-11-30 | Cardiofrance Co | Procede de reglage d'un stimulateur cardiaque implantable, programmateur de reglage et stimulateur pour la mise en oeuvre du procede |
US4958632A (en) * | 1978-07-20 | 1990-09-25 | Medtronic, Inc. | Adaptable, digital computer controlled cardiac pacemaker |
IT1118131B (it) * | 1978-07-20 | 1986-02-24 | Medtronic Inc | Perfezionamento nei pacemaker cardiaci multi-modo adattabili impiantabili |
US4446533A (en) * | 1978-09-07 | 1984-05-01 | National Research Development Corporation | Stored program digital data processor |
US4222385A (en) * | 1978-09-07 | 1980-09-16 | National Research Development Corporation | Electronic heart implant |
FR2440198A1 (fr) * | 1978-11-06 | 1980-05-30 | Medtronic Inc | Stimulateur implantable |
EP0011935B2 (en) * | 1978-11-06 | 1991-05-22 | Medtronic, Inc. | Body stimulator programmer |
US4365290A (en) * | 1979-03-12 | 1982-12-21 | Medtronic, Inc. | Computer system with power control circuit |
AU6606881A (en) * | 1980-01-16 | 1981-07-23 | Medtronic, Inc. | Pacemaker |
US4424812A (en) * | 1980-10-09 | 1984-01-10 | Cordis Corporation | Implantable externally programmable microprocessor-controlled tissue stimulator |
DE3153780C2 (de) * | 1980-10-16 | 2003-04-03 | Ela Medical Sa | Verfahren zur Steuerung eines implantierbaren Herzschrittmachers |
FR2492262B1 (fr) * | 1980-10-16 | 1987-02-20 | Ela Medical Sa | Procede et dispositif de commande d'un appareil ou instrument notamment un stimulateur cardiaque implantable |
US4485818A (en) * | 1980-11-14 | 1984-12-04 | Cordis Corporation | Multi-mode microprocessor-based programmable cardiac pacer |
US4407288B1 (en) * | 1981-02-18 | 2000-09-19 | Mieczyslaw Mirowski | Implantable heart stimulator and stimulation method |
US4390022A (en) * | 1981-05-18 | 1983-06-28 | Intermedics, Inc. | Implantable device with microprocessor control |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3557796A (en) * | 1969-03-10 | 1971-01-26 | Cordis Corp | Digital counter driven pacer |
DE2018256A1 (de) * | 1970-04-10 | 1971-10-21 | Dittberner K | Elektronische Anordnung zur naturgetreuen Nachbildung der Übertragungseigenschaften biologischer Messgrössenaufnehmer (Receptoren) und zum künstlichen Ersatz biologischer Receptoren |
US3833005A (en) * | 1971-07-26 | 1974-09-03 | Medtronic Inc | Compared count digitally controlled pacemaker |
-
1977
- 1977-08-29 DE DE19772738871 patent/DE2738871A1/de not_active Withdrawn
- 1977-09-01 CH CH1065077A patent/CH627081A5/de not_active IP Right Cessation
- 1977-09-09 IT IT50940/77A patent/IT1089836B/it active
- 1977-09-26 CA CA287,539A patent/CA1100580A/en not_active Expired
- 1977-09-26 FR FR7728933A patent/FR2366012A1/fr active Granted
- 1977-09-26 JP JP11548777A patent/JPS5342484A/ja active Pending
- 1977-09-27 GB GB40202/77A patent/GB1587917A/en not_active Expired
- 1977-09-27 BE BE181228A patent/BE859086A/xx not_active IP Right Cessation
- 1977-09-28 NL NL7710571A patent/NL7710571A/xx not_active Application Discontinuation
- 1977-09-28 SE SE7710869A patent/SE7710869L/xx not_active Application Discontinuation
- 1977-09-29 IE IE1995/77A patent/IE45875B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH627081A5 (en) | 1981-12-31 |
SE7710869L (sv) | 1978-03-30 |
GB1587917A (en) | 1981-04-15 |
BE859086A (fr) | 1978-03-28 |
IE45875L (en) | 1978-03-29 |
FR2366012A1 (fr) | 1978-04-28 |
JPS5342484A (en) | 1978-04-17 |
NL7710571A (nl) | 1978-03-31 |
FR2366012B1 (xx) | 1984-02-03 |
DE2738871A1 (de) | 1978-03-30 |
IE45875B1 (en) | 1982-12-15 |
IT1089836B (it) | 1985-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1100580A (en) | Heart pacer | |
US4513743A (en) | Physiological devices such as pacemakers and method for providing histogram data | |
GB742524A (en) | Improvements in or relating to electronic digital computing machines | |
US4726380A (en) | Implantable cardiac pacer with discontinuous microprocessor, programmable antitachycardia mechanisms and patient data telemetry | |
US4561442A (en) | Implantable cardiac pacer with discontinuous microprocessor programmable antitachycardia mechanisms and patient data telemetry | |
US4476868A (en) | Body stimulator output circuit | |
US5022395A (en) | Implantable cardiac device with dual clock control of microprocessor | |
US4024875A (en) | Device for non-invasive programming of implanted body stimulators | |
US4503857A (en) | Programmable cardiac pacemaker with microprocessor control of pacer rate | |
US4875483A (en) | Implantable cardiac pacer with programmable antitachycardia mechanisms | |
EP0388131A2 (en) | Random number generator | |
US3517663A (en) | Threshold analyzer for an implanted heart stimulator | |
GB1535829A (en) | Defibrillator | |
WO1998054630A2 (en) | Method and system for emulating a non-bond-out version of a microcontroller that has standard port means | |
US4594565A (en) | Clock oscillator for a cardiac pacer having frequency compensation for temperature and voltage fluctuations | |
EP0077844B1 (en) | Pacemaker utilizing microprocessor dma for generating output pulse sequences | |
US7085952B2 (en) | Method and apparatus for writing data between fast and slow clock domains | |
JPH034290Y2 (xx) | ||
EP0103755A2 (en) | CMOS single chip microprocessor | |
IL45988A (en) | pace maker | |
US4641109A (en) | CMOS crystal controlled oscillator | |
US3999557A (en) | Prophylactic pacemaker | |
JP3398788B2 (ja) | クロック発生回路 | |
JPH01260518A (ja) | マイクロコンピュータ | |
JPS5943766B2 (ja) | 半導体集積回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry | ||
MKEX | Expiry |
Effective date: 19980505 |