CA1149467A - Programmable pacemaker with demand and synchronous modes - Google Patents
Programmable pacemaker with demand and synchronous modesInfo
- Publication number
- CA1149467A CA1149467A CA000339162A CA339162A CA1149467A CA 1149467 A CA1149467 A CA 1149467A CA 000339162 A CA000339162 A CA 000339162A CA 339162 A CA339162 A CA 339162A CA 1149467 A CA1149467 A CA 1149467A
- 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
- 230000001360 synchronised effect Effects 0.000 title claims description 25
- 230000004936 stimulating effect Effects 0.000 claims abstract description 83
- 230000000747 cardiac effect Effects 0.000 claims abstract description 81
- 230000000694 effects Effects 0.000 claims abstract description 32
- 230000004044 response Effects 0.000 claims description 40
- 230000002861 ventricular Effects 0.000 claims description 35
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 abstract description 82
- 238000012360 testing method Methods 0.000 abstract description 30
- 230000006870 function Effects 0.000 abstract description 29
- 230000035945 sensitivity Effects 0.000 abstract description 23
- 239000013078 crystal Substances 0.000 abstract description 8
- 230000036279 refractory period Effects 0.000 abstract description 6
- 230000003247 decreasing effect Effects 0.000 abstract description 4
- 230000011664 signaling Effects 0.000 abstract 1
- 230000015654 memory Effects 0.000 description 158
- 230000005540 biological transmission Effects 0.000 description 57
- 230000008859 change Effects 0.000 description 36
- 230000000875 corresponding effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 102100026827 Protein associated with UVRAG as autophagy enhancer Human genes 0.000 description 10
- 101710102978 Protein associated with UVRAG as autophagy enhancer Proteins 0.000 description 10
- 230000005764 inhibitory process Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 230000000994 depressogenic effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000003079 width control Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 208000019585 progressive encephalomyelitis with rigidity and myoclonus Diseases 0.000 description 4
- 230000000638 stimulation Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000718 qrs complex Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 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
- 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
- 230000000630 rising effect Effects 0.000 description 2
- 241000370685 Arge Species 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
- 230000002730 additional effect Effects 0.000 description 1
- 230000001746 atrial effect Effects 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000003455 independent Effects 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
- 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
- 238000009877 rendering Methods 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
- 210000001519 tissue Anatomy 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
- A61N1/362—Heart stimulators
- A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
-
- 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
- A61N1/37252—Details of algorithms or data aspects of communication system, e.g. handshaking, transmitting specific data or segmenting data
- A61N1/37254—Pacemaker or defibrillator security, e.g. to prevent or inhibit programming alterations by hackers or unauthorised individuals
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Biophysics (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)
- Physiology (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/958,320 US4233985A (en) | 1978-11-06 | 1978-11-06 | Multi-mode programmable digital cardiac pacemaker |
| US958,320 | 1978-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149467A true CA1149467A (en) | 1983-07-05 |
Family
ID=25500853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000339162A Expired CA1149467A (en) | 1978-11-06 | 1979-11-05 | Programmable pacemaker with demand and synchronous modes |
Country Status (7)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3278419D1 (en) * | 1981-05-04 | 1988-06-09 | Biotronik Mess & Therapieg | Cardiac pacemaker |
| DE3370284D1 (en) * | 1982-10-29 | 1987-04-23 | Medtronic Inc | Pacemaker programmer with telemetric functions |
| US5345362A (en) * | 1993-04-29 | 1994-09-06 | Medtronic, Inc. | Portable computer apparatus with articulating display panel |
| US5324315A (en) * | 1993-08-12 | 1994-06-28 | Medtronic, Inc. | Closed-loop downlink telemetry and method for implantable medical device |
| DE4329898A1 (de) * | 1993-09-04 | 1995-04-06 | Marcus Dr Besson | Kabelloses medizinisches Diagnose- und Überwachungsgerät |
| AU673109B2 (en) | 1993-12-09 | 1996-10-24 | Medtronic, Inc. | Cardiac pacemaker with triggered magnet modes |
| US6249703B1 (en) | 1994-07-08 | 2001-06-19 | Medtronic, Inc. | Handheld patient programmer for implantable human tissue stimulator |
| US6083248A (en) | 1995-06-23 | 2000-07-04 | Medtronic, Inc. | World wide patient location and data telemetry system for implantable medical devices |
| US5683432A (en) * | 1996-01-11 | 1997-11-04 | Medtronic, Inc. | Adaptive, performance-optimizing communication system for communicating with an implanted medical device |
| US6061594A (en) * | 1998-07-29 | 2000-05-09 | Cardiac Pacemakers, Inc. | Algorithm for automatically checking the pacing safety margin in cardiac pacing systems |
| US6379300B1 (en) | 1999-10-08 | 2002-04-30 | Medtronic, Inc. | Telemtry system for implantable medical devices |
| US6644321B1 (en) * | 1999-10-29 | 2003-11-11 | Medtronic, Inc. | Tactile feedback for indicating validity of communication link with an implantable medical device |
| US6411851B1 (en) | 1999-11-04 | 2002-06-25 | Medtronic, Inc. | Implantable medical device programming apparatus having an auxiliary component storage compartment |
| US6473649B1 (en) | 1999-12-22 | 2002-10-29 | Cardiac Pacemakers, Inc. | Rate management during automatic capture verification |
| US6868288B2 (en) * | 2000-08-26 | 2005-03-15 | Medtronic, Inc. | Implanted medical device telemetry using integrated thin film bulk acoustic resonator filtering |
| US6535766B1 (en) | 2000-08-26 | 2003-03-18 | Medtronic, Inc. | Implanted medical device telemetry using integrated microelectromechanical filtering |
| USD459814S1 (en) | 2001-04-09 | 2002-07-02 | Medtronic, Inc. | Programmer for a therapeutic medical device |
| US6904316B2 (en) * | 2001-11-06 | 2005-06-07 | Cardiac Pacemakers, Inc. | Cardiac rhythm management system with maximum tracking rate (MTR) hysteresis |
| USD474543S1 (en) | 2002-05-17 | 2003-05-13 | Medtronic, Inc. | Programmer for a therapeutic medical device |
| USD484246S1 (en) | 2002-05-17 | 2003-12-23 | Medtronic, Inc. | Programmer for a therapeutic medical device |
| USD479877S1 (en) | 2002-05-17 | 2003-09-23 | Medtronic, Inc. | Programmer for a therapeutic medical device |
| US7460912B2 (en) * | 2004-11-19 | 2008-12-02 | Cardiac Pacemakers, Inc. | System and method for temporary programming for implanted medical devices |
| JP2009502259A (ja) * | 2005-07-21 | 2009-01-29 | ザ・トラスティーズ・オブ・コロンビア・ユニバーシティ・イン・ザ・シティ・オブ・ニューヨーク | タンデム型心臓ペースメーカーシステム |
| US10994146B2 (en) * | 2017-12-12 | 2021-05-04 | Boston Scientific Neuromodulation Corporation | External device with electromagnet for use with an implantable medical device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3311111A (en) * | 1964-08-11 | 1967-03-28 | Gen Electric | Controllable electric body tissue stimulators |
| US3557796A (en) * | 1969-03-10 | 1971-01-26 | Cordis Corp | Digital counter driven pacer |
| US3648707A (en) * | 1969-07-16 | 1972-03-14 | Medtronic Inc | Multimode cardiac paces with p-wave and r-wave sensing means |
| US3805796A (en) * | 1971-05-10 | 1974-04-23 | Cordis Corp | Implantable cardiac pacer having adjustable operating parameters |
| US3833005A (en) * | 1971-07-26 | 1974-09-03 | Medtronic Inc | Compared count digitally controlled pacemaker |
| GB1424355A (en) * | 1972-03-11 | 1976-02-11 | Kent Cambridge Medical Ltd | Cardiac pacers |
| 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 |
| US4141367A (en) * | 1977-04-29 | 1979-02-27 | Med Telectronics Ltd. | Cardiac electrode/pacer system analyzer |
-
1978
- 1978-11-06 US US05/958,320 patent/US4233985A/en not_active Expired - Lifetime
-
1979
- 1979-11-01 AU AU52395/79A patent/AU527188B2/en not_active Ceased
- 1979-11-05 DE DE19792944597 patent/DE2944597A1/de not_active Ceased
- 1979-11-05 CA CA000339162A patent/CA1149467A/en not_active Expired
- 1979-11-05 EP EP79302458A patent/EP0011942B1/en not_active Expired
- 1979-11-06 FR FR7927318A patent/FR2440749B1/fr not_active Expired
- 1979-11-06 JP JP14288979A patent/JPS5566372A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4233985A (en) | 1980-11-18 |
| AU5239579A (en) | 1980-05-15 |
| EP0011942A3 (en) | 1981-01-07 |
| FR2440749B1 (fr) | 1987-05-29 |
| FR2440749A1 (fr) | 1980-06-06 |
| JPH0339707B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-14 |
| DE2944597A1 (de) | 1980-05-22 |
| JPS5566372A (en) | 1980-05-19 |
| AU527188B2 (en) | 1983-02-17 |
| EP0011942A2 (en) | 1980-06-11 |
| EP0011942B1 (en) | 1984-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |