JPS6261244U - - Google Patents
Info
- Publication number
- JPS6261244U JPS6261244U JP1986152426U JP15242686U JPS6261244U JP S6261244 U JPS6261244 U JP S6261244U JP 1986152426 U JP1986152426 U JP 1986152426U JP 15242686 U JP15242686 U JP 15242686U JP S6261244 U JPS6261244 U JP S6261244U
- Authority
- JP
- Japan
- Prior art keywords
- cardiac pacemaker
- ventricular
- interval
- vvi
- switching
- 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.)
- Granted
Links
- 230000000747 cardiac effect Effects 0.000 claims description 7
- 230000002861 ventricular Effects 0.000 claims description 6
- 230000001746 atrial effect Effects 0.000 claims description 3
- 230000000638 stimulation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 2
- 230000002269 spontaneous effect Effects 0.000 claims 2
- 210000002837 heart atrium Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
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
- A61N1/3621—Heart stimulators for treating or preventing abnormally high heart rate
- A61N1/3622—Heart stimulators for treating or preventing abnormally high heart rate comprising two or more electrodes co-operating with different heart regions
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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)
- Electrotherapy Devices (AREA)
Description
第1図は本考案による心臓ペースメーカの実施
例を示すブロツク図、第2図は本考案思想を説明
するためのタイムチヤート、第3図は第2図によ
る心臓ペースメーカの変形例の要部を示すブロツ
ク図である。 A……心房信号、V……刺激パルス、3……心
室出力段、4……心室検出器、6……時間演算器
、7……フリツプフロツプ、9……モード制御ロ
ジツク回路、10……演算器、11……基底周波
数制御ユニツト、12……基底周波数発生器、1
3……フリツプフロツプ、14……コンパレータ
、15……発信器、16……検出器、17……出
力端、21……時間基準段。
例を示すブロツク図、第2図は本考案思想を説明
するためのタイムチヤート、第3図は第2図によ
る心臓ペースメーカの変形例の要部を示すブロツ
ク図である。 A……心房信号、V……刺激パルス、3……心
室出力段、4……心室検出器、6……時間演算器
、7……フリツプフロツプ、9……モード制御ロ
ジツク回路、10……演算器、11……基底周波
数制御ユニツト、12……基底周波数発生器、1
3……フリツプフロツプ、14……コンパレータ
、15……発信器、16……検出器、17……出
力端、21……時間基準段。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 心房信号Aの発生に依存して制御され、且
つ最小同期インターバル(SSI)とAV遅延時
間との差により生じる所定の境界t3の前におけ
る少なくとも1つの心房信号Aの発生時に、所定
数の刺激パルスまたは自然心室活動に対して、あ
るいは所定時間に対して、心臓ペースメーカを心
室禁止運転(VVI運転)に切換えるスイツチン
グ段を設けたことを特徴とする心臓ペースメーカ
。 (2) スイツチング段は、所定の低いパルスレー
トおよび高いパルスレートでの心室禁止運転(V
VI運転)時に心臓ペースメーカを刺激パルスV
または自然心室活動後の干渉インターバルIにお
ける心房信号発生時に次のインターバルのために
低いパルスレートでのVVI運転に切換えること
を特徴とする実用新案登録請求の範囲第1項記載
の心臓ペースメーカ。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853535543 DE3535543A1 (de) | 1985-10-04 | 1985-10-04 | Vorhofgesteuerter herzschrittmacher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6261244U true JPS6261244U (ja) | 1987-04-16 |
| JPH0332367Y2 JPH0332367Y2 (ja) | 1991-07-09 |
Family
ID=6282813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986152426U Expired JPH0332367Y2 (ja) | 1985-10-04 | 1986-10-03 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4722341A (ja) |
| EP (1) | EP0221235B2 (ja) |
| JP (1) | JPH0332367Y2 (ja) |
| DE (2) | DE3535543A1 (ja) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144950A (en) * | 1990-08-30 | 1992-09-08 | Vitatron Medical B.V. | Rate controlled pacemaker system using ar interval for rate control |
| US5231985A (en) * | 1991-01-31 | 1993-08-03 | Medtronic, Inc. | Dual chamber rate responsive pacer |
| US5133350A (en) * | 1991-01-31 | 1992-07-28 | Medtronic, Inc. | Mode switching pacemaker |
| US5144949A (en) * | 1991-03-15 | 1992-09-08 | Medtronic, Inc. | Dual chamber rate responsive pacemaker with automatic mode switching |
| US5247930A (en) * | 1992-02-04 | 1993-09-28 | Vitatron Medical, B.V. | Dual chamber pacing system with dynamic physiological tracking and method of timing delivered stimulus for optimized synchronous pacing |
| US5334220A (en) * | 1992-11-13 | 1994-08-02 | Siemens Pacesetter, Inc. | Dual-chamber implantable pacemaker having an adaptive AV interval that prevents ventricular fusion beats and method of operating same |
| US5741308A (en) * | 1992-11-13 | 1998-04-21 | Pacesetter, Inc. | Dual-chamber implantable pacemaker and method of operating same for automatically setting the pacemaker's AV interval as a function of a natural measured conduction time |
| US5340361A (en) * | 1992-11-13 | 1994-08-23 | Siemens Pacesetter, Inc. | Implantable pacemaker having adaptive AV interval adoptively shortened to assure ventricular pacing |
| US5549649A (en) * | 1994-06-10 | 1996-08-27 | Pacesetter, Inc. | Programmable pacemaker including an atrial rate filter for deriving a filtered atrial rate used for switching pacing modes |
| US5840079A (en) * | 1997-03-27 | 1998-11-24 | Medtronic, Inc. | Method and apparatus for treatment of atrial fibrillation |
| US6128533A (en) * | 1999-03-22 | 2000-10-03 | Pacesetter, Inc. | Pacemaker with automatic PVARP adjustment during automatic mode switching |
| US6477416B1 (en) | 2000-05-15 | 2002-11-05 | Pacesetter, Inc. | System and method for automatically and adaptively segmenting an atrial blanking period |
| DE102009014251B4 (de) * | 2009-03-20 | 2010-12-30 | Siemens Aktiengesellschaft | Behälterförderanlage zum Transportieren von Stückgütern, insbesondere von Gepäckstücken |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5634461A (en) * | 1979-08-30 | 1981-04-06 | Ricoh Co Ltd | Ink jet recorder |
| JPS57131456A (en) * | 1980-11-14 | 1982-08-14 | Cordis Corp | Programable cardiac pacer using multi- mode microprocessor |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2076655B (en) * | 1980-03-25 | 1984-11-21 | Telectronics Pty Ltd | Two pulse tachycardia control pacer |
| GB2142539B (en) * | 1980-03-25 | 1985-07-24 | Telectronics Pty Ltd | Two pulse tachycardia control pacer |
| GB2073023B (en) * | 1980-03-25 | 1984-11-07 | Telectronics Pty Ltd | Externally-reset tachycardia control pacer |
| US4363325A (en) * | 1981-01-19 | 1982-12-14 | Medtronic, Inc. | Mode adaptive pacer |
| US4467807A (en) * | 1981-11-23 | 1984-08-28 | Medtronic, Inc. | Rate adaptive demand pacemaker |
| SE8107269L (sv) * | 1981-12-04 | 1983-06-05 | Siemens Elema Ab | Anordning for att avsluta en takykardi |
| US4427011A (en) * | 1982-03-18 | 1984-01-24 | Telectronics Pty. Ltd. | Tachycardia control pacer with improved detection of tachycardia termination |
| US4467810A (en) * | 1982-09-30 | 1984-08-28 | Cordis Corporation | Multi-mode microprocessor-based programmable cardiac pacer |
| DE3240430A1 (de) * | 1982-11-02 | 1984-05-03 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und herzschrittmacher zum beenden einer tachykardie |
| US4554921A (en) * | 1983-02-11 | 1985-11-26 | Vitafin N.V. | Dual chamber pacemaker with automatic high rate limit mode determination |
| US4527568A (en) * | 1983-12-27 | 1985-07-09 | Vitafin N.V. | Dual chamber pacer with alternative rate adaptive means and method |
| US4624260A (en) * | 1985-05-07 | 1986-11-25 | Intermedics, Inc. | Pacemaker with conditional atrial tracking capability |
-
1985
- 1985-10-04 DE DE19853535543 patent/DE3535543A1/de not_active Withdrawn
-
1986
- 1986-06-11 EP EP86107947A patent/EP0221235B2/de not_active Expired - Lifetime
- 1986-06-11 DE DE8686107947T patent/DE3668558D1/de not_active Expired - Lifetime
- 1986-09-24 US US06/910,999 patent/US4722341A/en not_active Expired - Lifetime
- 1986-10-03 JP JP1986152426U patent/JPH0332367Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5634461A (en) * | 1979-08-30 | 1981-04-06 | Ricoh Co Ltd | Ink jet recorder |
| JPS57131456A (en) * | 1980-11-14 | 1982-08-14 | Cordis Corp | Programable cardiac pacer using multi- mode microprocessor |
Also Published As
| Publication number | Publication date |
|---|---|
| US4722341A (en) | 1988-02-02 |
| DE3535543A1 (de) | 1987-04-09 |
| EP0221235B1 (de) | 1990-01-31 |
| JPH0332367Y2 (ja) | 1991-07-09 |
| EP0221235A1 (de) | 1987-05-13 |
| EP0221235B2 (de) | 1995-11-22 |
| DE3668558D1 (de) | 1990-03-08 |
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