JP4537442B2 - 能動埋込み型医療用装置の作動方法 - Google Patents
能動埋込み型医療用装置の作動方法 Download PDFInfo
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- JP4537442B2 JP4537442B2 JP2007319007A JP2007319007A JP4537442B2 JP 4537442 B2 JP4537442 B2 JP 4537442B2 JP 2007319007 A JP2007319007 A JP 2007319007A JP 2007319007 A JP2007319007 A JP 2007319007A JP 4537442 B2 JP4537442 B2 JP 4537442B2
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- Prior art keywords
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- tachyarrhythmia
- ventricular
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- parameter
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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
-
- 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
- A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
- A61N1/39—Heart defibrillators
- A61N1/3956—Implantable devices for applying electric shocks to the heart, e.g. for cardioversion
-
- 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
- A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
- A61N1/39—Heart defibrillators
- A61N1/395—Heart defibrillators for treating atrial fibrillation
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- 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)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Description
(1) 所与の数のサイクル(標準パラメータは例えば8サイクル)において蓄積されたRRインターバルの度数分布の統計的解析を実施し、RRインターバル安定ゾーンの中央ピークの外側にあるRRインターバルの割合が所与の数値(標準パラメータは例えば75%)より大きなものであるかどうかを判定し;これに該当する場合は、リズムは正常であり頻拍性不整脈は生じていないことを判断する多数決パラメータ(または“多数決条件”);
(2) 頻拍性不整脈現象の持続時間(標準パラメータは例えば8サイクル);
(3) リズムの規則性の判断に使用されるRRインターバル安定ゾーンのピーク幅(標準的パラメータは例えば63ms)。
これらのパラメータは、例えば、フランス国モンルージュのElaメディカル社より市販されているディフェンダ9001型等の細動除去装置の頻拍性不整脈検出および識別用の解析アルゴリズムにおいて使用される。
Claims (9)
- 頻拍性不整脈現象を判別する、衝撃治療を付加するための細動除去装置/除細動装置等の形式の能動植込み型医療用装置の作動方法であり:
心房および心室活動の監視手段により監視された心房および心室活動において発生した頻拍性不整脈現象を確認する手段が作動し、
あらかじめ設定された条件およびこの条件の所定の調整にしたがって前記頻拍性不整脈現象を心室頻拍性不整脈と上心室頻拍性不整脈との間で識別する手段が作動し、
識別された心室頻拍性不整脈に応答して衝撃治療の付加を許可するとともに、識別された上心室頻拍性不整脈に応答して衝撃治療の付加を阻止する手段が作動し、
判別された心房細動に応答して、少なくとも一つの条件の一時的の追加、またはあらかじめ定義された条件設定の一時的な変更のいずれかにより前記識別ステップを変更し、前記心房細動が真性であるかまたは非真性であるかを確認する手段が作動する、能動埋込み型医療用装置の作動方法。 - 識別ステップの変更は長いRRインターバルレンジまたは短いRRインターバルレンジの少なくとも一つの補足的検索条件を設けることをさらに含み、前記一つのRRインターバルレンジがRRインターバル安定ゾーンから充分に離間する請求項1記載の方法。
- 前記RRインターバル安定ゾーンを第一および第二の限界を有するものとして定義することをさらに含み、検索条件の提供が、RRインターバル安定ゾーンの両側において第一および第二の限界から所定の幅のインターバルをもってそれぞれ離間する長いRRインターバルレンジならびに短いインターバルレンジを設けることをさらに含む請求項2記載の方法。
- 追加的な条件の提供がさらに補足的なカウントならびに比較条件を設けることからなり、所与の時間内において心房事象の数を心室事象の数と比較する請求項1記載の方法。
- 変更可能な設定の提供が、多数決パラメータを設けることと、所与の数のサイクルにおいてこの多数決パラメータを計算することと、RRインターバルを確認するとともに、所与のしきい値を越えるかまたはこれに等しくなり所与のRRパラメータ安定ゾーンの外側にある確認されたRRインターバルの割合を判定することからなる請求項1記載の方法。
- 変更可能な設定の提供がさらに頻拍性不整脈の持続性に対する間隔パラメータを設けることからなる請求項5記載の方法。
- 変更可能な設定の提供がさらにRRインターバル安定ゾーンの幅パラメータを設けることからなる請求項5記載の方法。
- さらに、所定の時間内において、一つまたは複数の条件の一時的な調整および/またはパラメータの一時的な変更があらかじめ設定された回数適用されたことを判定し、この追加および/または変更を永続的な方法で適用することからなる請求項1記載の方法。
- さらに、識別された上心室頻拍性不整脈に応答して心房治療の開始を許可することからなる請求項1記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9607533A FR2749765B1 (fr) | 1996-06-18 | 1996-06-18 | Dispositif medical actif du type defibrillateur/cardioverteur implantable a discrimination perfectionnee des tachycardies |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16170797A Division JP4261625B2 (ja) | 1996-06-18 | 1997-06-18 | 改善された頻拍性不整脈識別手段を備えた細動除去/除細動型能動医療装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008119479A JP2008119479A (ja) | 2008-05-29 |
JP4537442B2 true JP4537442B2 (ja) | 2010-09-01 |
Family
ID=9493141
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16170797A Expired - Fee Related JP4261625B2 (ja) | 1996-06-18 | 1997-06-18 | 改善された頻拍性不整脈識別手段を備えた細動除去/除細動型能動医療装置 |
JP2007319007A Expired - Fee Related JP4537442B2 (ja) | 1996-06-18 | 2007-12-10 | 能動埋込み型医療用装置の作動方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16170797A Expired - Fee Related JP4261625B2 (ja) | 1996-06-18 | 1997-06-18 | 改善された頻拍性不整脈識別手段を備えた細動除去/除細動型能動医療装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5891170A (ja) |
EP (1) | EP0813888B1 (ja) |
JP (2) | JP4261625B2 (ja) |
DE (1) | DE69727622T2 (ja) |
FR (1) | FR2749765B1 (ja) |
Families Citing this family (56)
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US6456871B1 (en) * | 1999-12-01 | 2002-09-24 | Cardiac Pacemakers, Inc. | System and method of classifying tachyarrhythmia episodes as associated or disassociated |
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US7039461B1 (en) | 2000-05-13 | 2006-05-02 | Cardiac Pacemakers, Inc. | Cardiac pacing system for prevention of ventricular fibrillation and ventricular tachycardia episode |
US6522925B1 (en) * | 2000-05-13 | 2003-02-18 | Cardiac Pacemakers, Inc. | System and method for detection enhancement programming |
FR2817154B1 (fr) | 2000-11-27 | 2003-06-06 | Ela Medical Sa | Dispositif medical actif du type defibrillateur/ cardioverteur implantable a discrimination perfectionnee des fibrillations auriculaires |
US7386344B2 (en) * | 2004-08-11 | 2008-06-10 | Cardiac Pacemakers, Inc. | Pacer with combined defibrillator tailored for bradycardia patients |
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US7142912B2 (en) * | 2002-07-12 | 2006-11-28 | Cardiac Pacemakers, Inc. | Method and apparatus for assessing and treating atrial fibrillation risk |
FR2843884B1 (fr) * | 2002-09-04 | 2005-06-17 | Ela Medical Sa | Dispositif implantable actif du type defibrillateur, cardioverteur et/ou stimulateur antitachycardique, a discrimination perfectionnee entre tachycardie et fibrillation ventriculaires |
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EP2332462B1 (fr) | 2009-12-11 | 2016-04-06 | Sorin CRM SAS | Défibrillateur/cardioverteur implantable simple chambre avec détection de l'activité auriculaire par la sonde monocorps |
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JP2012254121A (ja) | 2011-06-07 | 2012-12-27 | Olympus Corp | 無線通信システム |
US8774909B2 (en) | 2011-09-26 | 2014-07-08 | Medtronic, Inc. | Episode classifier algorithm |
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CN106068141B (zh) | 2014-01-10 | 2019-05-14 | 心脏起搏器股份公司 | 用于检测心脏心律失常的系统和方法 |
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CN107206240B (zh) | 2015-02-06 | 2021-01-22 | 心脏起搏器股份公司 | 用于治疗心律不齐的系统和方法 |
CN107847746B (zh) | 2015-07-30 | 2021-10-22 | 心脏起搏器股份公司 | 在可植入装置中触发心房纤颤电极 |
US10758737B2 (en) | 2016-09-21 | 2020-09-01 | Cardiac Pacemakers, Inc. | Using sensor data from an intracardially implanted medical device to influence operation of an extracardially implantable cardioverter |
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1996
- 1996-06-18 FR FR9607533A patent/FR2749765B1/fr not_active Expired - Fee Related
-
1997
- 1997-06-17 US US08/877,039 patent/US5891170A/en not_active Expired - Lifetime
- 1997-06-18 EP EP97401388A patent/EP0813888B1/fr not_active Expired - Lifetime
- 1997-06-18 JP JP16170797A patent/JP4261625B2/ja not_active Expired - Fee Related
- 1997-06-18 DE DE69727622T patent/DE69727622T2/de not_active Expired - Lifetime
-
2007
- 2007-12-10 JP JP2007319007A patent/JP4537442B2/ja not_active Expired - Fee Related
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US5350406A (en) * | 1991-12-31 | 1994-09-27 | Ela Medical | Apparatus and method of control for an implanted anti-tachycardia device |
JPH06205749A (ja) * | 1992-11-13 | 1994-07-26 | Masood Akhtar | 2重チェンバ検出法を用いた抗頻拍装置の検出アルゴリズム |
JPH07132118A (ja) * | 1993-06-25 | 1995-05-23 | Fukuda Denshi Co Ltd | 上室性期外収縮検出装置及び方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0813888A1 (fr) | 1997-12-29 |
DE69727622T2 (de) | 2004-12-16 |
FR2749765B1 (fr) | 1998-10-02 |
JP2008119479A (ja) | 2008-05-29 |
DE69727622D1 (de) | 2004-03-25 |
EP0813888B1 (fr) | 2004-02-18 |
JP4261625B2 (ja) | 2009-04-30 |
US5891170A (en) | 1999-04-06 |
JPH10127590A (ja) | 1998-05-19 |
FR2749765A1 (fr) | 1997-12-19 |
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