JP4423201B2 - 誘発反応波形解析を使用する誘発反応検知ベクトルの自動選択方法 - Google Patents
誘発反応波形解析を使用する誘発反応検知ベクトルの自動選択方法 Download PDFInfo
- Publication number
- JP4423201B2 JP4423201B2 JP2004548650A JP2004548650A JP4423201B2 JP 4423201 B2 JP4423201 B2 JP 4423201B2 JP 2004548650 A JP2004548650 A JP 2004548650A JP 2004548650 A JP2004548650 A JP 2004548650A JP 4423201 B2 JP4423201 B2 JP 4423201B2
- Authority
- JP
- Japan
- Prior art keywords
- detection
- signal
- capture
- evoked response
- pacing
- 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 - Fee Related
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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
- A61N1/37—Monitoring; Protecting
- A61N1/371—Capture, i.e. successful stimulation
- A61N1/3712—Auto-capture, i.e. automatic adjustment of the stimulation threshold
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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)
Description
ER SNR=Min(捕捉ピーク振幅)/Max(LOCピーク振幅)
で示すように計算される。
(2)ER検知マージン=Min(捕捉ピーク振幅)/閾値
で示すように計算される。
(3)LOC検知マージン=MAX(LOCピーク振幅)/閾値
で示すように、LOC検知マージンの計算時に使用される。
Claims (1)
- 埋込可能医療デバイスにおいて実行されるシステムであって、
誘発反応検知電極を選択する手段と、
捕捉閾値を超える第1のパルスエネルギーを有する試験パルスの第1セット、および前記捕捉閾値より小さい第2のパルスエネルギーを有する試験パルスの第2セットを含む試験パルスのシーケンスを送出するパルス発生器と、
前記選択された誘発反応検知電極対からの信号を受信する捕捉検出モジュールと、
前記選択された誘発反応検知電極対からの信号を受信し、前記第1セット及び前記第2セットに含まれる各試験パルスに続く前記受信信号の最大信号振幅を確定し、前記試験パルスの第1セットに対応する前記確定された最大信号振幅の最小値を確定し、前記最小値に基づいて信号品質パラメータを確定し、前記信号品質パラメータに応答して前記選択された誘発反応検知電極対を許容する、プロセッサと、
を含むシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/284,870 US7123963B2 (en) | 2002-10-31 | 2002-10-31 | Method of automatic evoked response sensing vector selection using evoked response waveform analysis |
PCT/US2003/034885 WO2004039447A1 (en) | 2002-10-31 | 2003-10-31 | Method of automatic evoked response sensing vector selection using evoked response waveform analysis |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006504474A JP2006504474A (ja) | 2006-02-09 |
JP4423201B2 true JP4423201B2 (ja) | 2010-03-03 |
Family
ID=32175002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004548650A Expired - Fee Related JP4423201B2 (ja) | 2002-10-31 | 2003-10-31 | 誘発反応波形解析を使用する誘発反応検知ベクトルの自動選択方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7123963B2 (ja) |
EP (1) | EP1578490B1 (ja) |
JP (1) | JP4423201B2 (ja) |
AU (1) | AU2003286860A1 (ja) |
CA (1) | CA2501954A1 (ja) |
DE (1) | DE60326644D1 (ja) |
WO (1) | WO2004039447A1 (ja) |
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-
2002
- 2002-10-31 US US10/284,870 patent/US7123963B2/en not_active Expired - Fee Related
-
2003
- 2003-10-31 AU AU2003286860A patent/AU2003286860A1/en not_active Abandoned
- 2003-10-31 CA CA002501954A patent/CA2501954A1/en not_active Abandoned
- 2003-10-31 WO PCT/US2003/034885 patent/WO2004039447A1/en active Application Filing
- 2003-10-31 JP JP2004548650A patent/JP4423201B2/ja not_active Expired - Fee Related
- 2003-10-31 EP EP03778076A patent/EP1578490B1/en not_active Expired - Lifetime
- 2003-10-31 DE DE60326644T patent/DE60326644D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7123963B2 (en) | 2006-10-17 |
JP2006504474A (ja) | 2006-02-09 |
US20040088018A1 (en) | 2004-05-06 |
AU2003286860A1 (en) | 2004-05-25 |
WO2004039447A1 (en) | 2004-05-13 |
DE60326644D1 (de) | 2009-04-23 |
EP1578490B1 (en) | 2009-03-11 |
CA2501954A1 (en) | 2004-05-13 |
EP1578490A1 (en) | 2005-09-28 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |