CA1136223A - Pacemaker with program acceptance and inhibit control circuits - Google Patents
Pacemaker with program acceptance and inhibit control circuitsInfo
- Publication number
- CA1136223A CA1136223A CA000339117A CA339117A CA1136223A CA 1136223 A CA1136223 A CA 1136223A CA 000339117 A CA000339117 A CA 000339117A CA 339117 A CA339117 A CA 339117A CA 1136223 A CA1136223 A CA 1136223A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- logic
- output
- gate
- latch
- 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
- 230000004936 stimulating effect Effects 0.000 claims abstract description 86
- 230000000747 cardiac effect Effects 0.000 claims abstract description 79
- 230000015654 memory Effects 0.000 claims description 159
- 230000004044 response Effects 0.000 claims description 45
- 230000005764 inhibitory process Effects 0.000 claims description 36
- 230000006872 improvement Effects 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 abstract description 82
- 238000012360 testing method Methods 0.000 abstract description 31
- 230000006870 function Effects 0.000 abstract description 28
- 230000035945 sensitivity Effects 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 23
- 239000013078 crystal Substances 0.000 abstract description 8
- 230000036279 refractory period Effects 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract description 4
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- 230000005540 biological transmission Effects 0.000 description 54
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- 238000003079 width control Methods 0.000 description 6
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- 239000003990 capacitor Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000638 stimulation Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 244000187656 Eucalyptus cornuta Species 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000019585 progressive encephalomyelitis with rigidity and myoclonus Diseases 0.000 description 2
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
- 238000000718 qrs complex Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- SLZWEMYSYKOWCG-UHFFFAOYSA-N Etacelasil Chemical compound COCCO[Si](CCCl)(OCCOC)OCCOC SLZWEMYSYKOWCG-UHFFFAOYSA-N 0.000 description 1
- 101100114416 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) con-10 gene Proteins 0.000 description 1
- 101150034459 Parpbp gene Proteins 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000001746 atrial effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- JCYWCSGERIELPG-UHFFFAOYSA-N imes Chemical class CC1=CC(C)=CC(C)=C1N1C=CN(C=2C(=CC(C)=CC=2C)C)[C]1 JCYWCSGERIELPG-UHFFFAOYSA-N 0.000 description 1
- 230000003455 independent Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229940036310 program Drugs 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000008672 reprogramming Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000002861 ventricular Effects 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
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37211—Means for communicating with stimulators
-
- 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
- A61N1/37—Monitoring; Protecting
- A61N1/3706—Pacemaker parameters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (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)
- Cardiology (AREA)
- Biophysics (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US957,959 | 1978-11-06 | ||
| US05/957,959 US4267843A (en) | 1978-11-06 | 1978-11-06 | Means to inhibit a digital cardiac pacemaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1136223A true CA1136223A (en) | 1982-11-23 |
Family
ID=25500404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000339117A Expired CA1136223A (en) | 1978-11-06 | 1979-11-05 | Pacemaker with program acceptance and inhibit control circuits |
Country Status (7)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337777A (en) * | 1980-12-24 | 1982-07-06 | Medtronic, Inc. | Rate limited pacer |
| IT1156564B (it) * | 1982-03-16 | 1987-02-04 | Gianni Plicchi | Elettrostimolatore cardiaco impiantabile, di tipo fisiologico, in cui la frequenza di stimolazione e'regolata dalla frequenza respiratoria del paziente |
| JPS5916429A (ja) * | 1982-04-30 | 1984-01-27 | メドトロニツク・インコ−ポレ−テツド | 外部の遠隔プログラミング装置によってプログラム可能な埋込み型受信装置 |
| US4541431A (en) * | 1984-09-20 | 1985-09-17 | Telectronics Pty. Ltd. | Use of telemetry coil to replace magnetically activated reed switch in implantable devices |
| US5058581A (en) * | 1990-02-20 | 1991-10-22 | Siemens-Pacesetter, Inc. | Telemetry apparatus and method for implantable tissue stimulator |
| US5518001A (en) * | 1994-06-17 | 1996-05-21 | Pacesetter, Inc. | Cardiac device with patient-triggered storage of physiological sensor data |
| US6009350A (en) * | 1998-02-06 | 1999-12-28 | Medtronic, Inc. | Implant device telemetry antenna |
| RU2128529C1 (ru) * | 1998-06-11 | 1999-04-10 | Есютин Александр Анатольевич | Многоканальный электростимулятор |
| US6738670B1 (en) * | 2000-06-19 | 2004-05-18 | Medtronic, Inc. | Implantable medical device telemetry processor |
| US6904316B2 (en) * | 2001-11-06 | 2005-06-07 | Cardiac Pacemakers, Inc. | Cardiac rhythm management system with maximum tracking rate (MTR) hysteresis |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3985142A (en) * | 1975-01-14 | 1976-10-12 | Telectronics Pty. Limited | Demand heart pacer with improved interference discrimination |
| US4043347A (en) * | 1975-08-28 | 1977-08-23 | Vitatron Medical B.V. | Multiple-function demand pacer with low current drain |
| US4049004A (en) * | 1976-02-02 | 1977-09-20 | Arco Medical Products Company | Implantable digital cardiac pacer having externally selectible operating parameters and "one shot" digital pulse generator for use therein |
| NL7700427A (nl) * | 1976-03-03 | 1977-09-06 | Arco Med Prod Co | Inplanteerbare digitale hartgangmaker, welke voorzien is van extern kiesbare bedrijfspara- meters. |
| JPS52111296A (en) * | 1976-03-10 | 1977-09-17 | Mirousuki Meechiisuraafu | Instruction auricle cardioscope |
| US4142533A (en) * | 1976-10-28 | 1979-03-06 | Research Corporation | Monitoring system for cardiac pacers |
| US4232679A (en) * | 1977-01-26 | 1980-11-11 | Pacesetter Systems, Inc. | Programmable human tissue stimulator |
| US4099530A (en) * | 1977-04-27 | 1978-07-11 | American Pacemaker Corporation | Cardiac pacer circuitry to facilitate testing of patient heart activity and pacer pulses |
| US4141367A (en) * | 1977-04-29 | 1979-02-27 | Med Telectronics Ltd. | Cardiac electrode/pacer system analyzer |
| US4124031A (en) * | 1977-06-09 | 1978-11-07 | Vitatron Medical B.V. | Programmable pacer |
| DE2828127A1 (de) * | 1978-02-24 | 1979-08-30 | Cardiac Pacemakers | Herzschrittmacher |
| FR2423214A1 (fr) * | 1978-04-21 | 1979-11-16 | Corporel Sa | Stimulateur cardiaque |
-
1978
- 1978-11-06 US US05/957,959 patent/US4267843A/en not_active Expired - Lifetime
-
1979
- 1979-11-01 AU AU52401/79A patent/AU527330B2/en not_active Ceased
- 1979-11-05 CA CA000339117A patent/CA1136223A/en not_active Expired
- 1979-11-05 DE DE19792944618 patent/DE2944618A1/de not_active Withdrawn
- 1979-11-05 FR FR7927229A patent/FR2440746B1/fr not_active Expired
- 1979-11-05 EP EP79302460A patent/EP0011944B1/en not_active Expired
- 1979-11-06 JP JP14288879A patent/JPS5566371A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2440746A1 (fr) | 1980-06-06 |
| FR2440746B1 (fr) | 1987-05-15 |
| JPH0336545B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-05-31 |
| EP0011944A3 (en) | 1981-01-07 |
| AU5240179A (en) | 1980-05-15 |
| JPS5566371A (en) | 1980-05-19 |
| EP0011944B1 (en) | 1984-10-24 |
| EP0011944A2 (en) | 1980-06-11 |
| AU527330B2 (en) | 1983-02-24 |
| DE2944618A1 (de) | 1980-05-14 |
| US4267843A (en) | 1981-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |