IE45875B1 - Improvements in heart pacers - Google Patents
Improvements in heart pacersInfo
- Publication number
- IE45875B1 IE45875B1 IE1995/77A IE199577A IE45875B1 IE 45875 B1 IE45875 B1 IE 45875B1 IE 1995/77 A IE1995/77 A IE 1995/77A IE 199577 A IE199577 A IE 199577A IE 45875 B1 IE45875 B1 IE 45875B1
- Authority
- IE
- Ireland
- Prior art keywords
- instructions
- microprocessor
- output
- stimulation pulse
- heart
- Prior art date
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72771076A | 1976-09-29 | 1976-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE45875L IE45875L (en) | 1978-03-29 |
| IE45875B1 true IE45875B1 (en) | 1982-12-15 |
Family
ID=24923704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1995/77A IE45875B1 (en) | 1976-09-29 | 1977-09-29 | Improvements in heart pacers |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5342484A (de) |
| BE (1) | BE859086A (de) |
| CA (1) | CA1100580A (de) |
| CH (1) | CH627081A5 (de) |
| DE (1) | DE2738871A1 (de) |
| FR (1) | FR2366012A1 (de) |
| GB (1) | GB1587917A (de) |
| IE (1) | IE45875B1 (de) |
| IT (1) | IT1089836B (de) |
| NL (1) | NL7710571A (de) |
| SE (1) | SE7710869L (de) |
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 |
| IT1118131B (it) * | 1978-07-20 | 1986-02-24 | Medtronic Inc | Perfezionamento nei pacemaker cardiaci multi-modo adattabili impiantabili |
| US4958632A (en) * | 1978-07-20 | 1990-09-25 | Medtronic, Inc. | Adaptable, digital computer controlled cardiac pacemaker |
| US4222385A (en) * | 1978-09-07 | 1980-09-16 | National Research Development Corporation | Electronic heart implant |
| US4446533A (en) * | 1978-09-07 | 1984-05-01 | National Research Development Corporation | Stored program digital data processor |
| DE2944542A1 (de) * | 1978-11-06 | 1980-05-14 | Medtronic Inc | Vorrichtung zum programmieren von implantierten elektronischen geraeten, insbesondere schrittmachergeneratoren |
| FR2440198A1 (fr) * | 1978-11-06 | 1980-05-30 | Medtronic Inc | Stimulateur implantable |
| 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 |
| 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 |
| DE3153780C2 (de) * | 1980-10-16 | 2003-04-03 | Ela Medical Sa | Verfahren zur Steuerung eines implantierbaren Herzschrittmachers |
| 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 FR FR7728933A patent/FR2366012A1/fr active Granted
- 1977-09-26 CA CA287,539A patent/CA1100580A/en not_active Expired
- 1977-09-26 JP JP11548777A patent/JPS5342484A/ja active Pending
- 1977-09-27 BE BE181228A patent/BE859086A/xx not_active IP Right Cessation
- 1977-09-27 GB GB40202/77A patent/GB1587917A/en not_active Expired
- 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 |
| JPS5342484A (en) | 1978-04-17 |
| FR2366012B1 (de) | 1984-02-03 |
| IT1089836B (it) | 1985-06-18 |
| FR2366012A1 (fr) | 1978-04-28 |
| CA1100580A (en) | 1981-05-05 |
| GB1587917A (en) | 1981-04-15 |
| IE45875L (en) | 1978-03-29 |
| BE859086A (fr) | 1978-03-28 |
| NL7710571A (nl) | 1978-03-31 |
| SE7710869L (sv) | 1978-03-30 |
| DE2738871A1 (de) | 1978-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1100580A (en) | Heart pacer | |
| GB742524A (en) | Improvements in or relating to electronic digital computing machines | |
| 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 | |
| US5504903A (en) | Self-progamming of on-chip program memory for microcontroller at clock start-up | |
| EP0388131B1 (de) | Zufallszahlengenerator | |
| US6625488B2 (en) | Implantable cardiac stimulation device having a programmable reconfigurable sequencer | |
| EP0077845A1 (de) | Programmierbarer Herzschrittmacher | |
| WO1998054630A2 (en) | Method and system for emulating a non-bond-out version of a microcontroller that has standard port means | |
| US3517663A (en) | Threshold analyzer for an implanted heart stimulator | |
| EP0077844B1 (de) | Zur Erzeugung von Ausgangspulsfolgen den direkten Speicherzugriff eines Mikroprozessors verwendender Herzschrittmacher | |
| EP0103755A2 (de) | CMOS-Monochip-Mikroprozessor | |
| US4641109A (en) | CMOS crystal controlled oscillator | |
| JPS5816318A (ja) | マイクロコンピユ−タ用安定化電源装置 | |
| JP3398788B2 (ja) | クロック発生回路 | |
| JPH0831001B2 (ja) | マイクロコンピュータ | |
| JPS6431285A (en) | Portable electronic equipment | |
| JPH01260518A (ja) | マイクロコンピュータ | |
| JPS5943766B2 (ja) | 半導体集積回路 | |
| JP2722348B2 (ja) | 発振回路 | |
| JP2598088B2 (ja) | 処理装置の簡易ステップ評価装置 | |
| JPS5943765B2 (ja) | 半導体集積回路 | |
| JP2538671Y2 (ja) | パルス計測装置 | |
| SU619954A1 (ru) | Устройство дл записи информации в накопитель |