JP4949382B2 - 医療デバイスにおいてオーバーセンシングを判定する方法及び装置 - Google Patents
医療デバイスにおいてオーバーセンシングを判定する方法及び装置 Download PDFInfo
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- JP4949382B2 JP4949382B2 JP2008506822A JP2008506822A JP4949382B2 JP 4949382 B2 JP4949382 B2 JP 4949382B2 JP 2008506822 A JP2008506822 A JP 2008506822A JP 2008506822 A JP2008506822 A JP 2008506822A JP 4949382 B2 JP4949382 B2 JP 4949382B2
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- 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
- A61N1/3702—Physiological parameters
- A61N1/3704—Circuits specially adapted therefor, e.g. for sensitivity control
-
- 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
- A61N1/3925—Monitoring; Protecting
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Physiology (AREA)
- Electrotherapy Devices (AREA)
Description
Claims (3)
- 医療デバイスであって、
第1の電極構成を介して、心臓信号を検知すると共に心臓事象を検出する手段と、
前記検出された心臓事象に応答して、エピソード事象の存在を判定する手段と、
第2の電極構成を介して、前記心臓信号を検知する手段と、
前記エピソード事象に対応する、前記第2の電極構成を介して検知される遠方界心臓信号に関連付けられる所定の値を求める手段と、
前記求められた値に応答して、治療の送出を制御する手段と
を備え、
前記所定の値を求める手段が、
前記第2の電極構成を介して検知された前記心臓信号について定義される窓内に位置する、所定の数のサンプルの電圧値を求める手段と、
前記所定の数のサンプルに対応する、サンプル最大電圧値、及び、サンプル最小電圧値を求める手段と、
サンプル振幅を生成するために、前記サンプル最大電圧値、及び、前記サンプル最小電圧値を比較する手段と、
を備える、医療デバイス。 - 前記治療の送出を制御する手段は、
所定の数の前記生成されたサンプル振幅に対応する最大振幅及び最小振幅を求める手段と、
前記最大振幅が、最大振幅しきい値よりも大きいか否か、且つ前記最小振幅が、第1の最小振幅しきい値よりも小さいか否かを判定する手段と、
前記最小振幅が、前記最大振幅の或るパーセンテージに対応する第2の最小振幅しきい値よりも小さいか否かを判定する手段と
を備える、請求項1に記載の医療デバイス。 - 前記治療の送出を制御する手段は、
前記最小振幅が前記第2の最小振幅しきい値よりも小さいことに応答して、所定の時間まで、前記治療の送出を保留する、請求項2に記載の医療デバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/107,706 | 2005-04-15 | ||
US11/107,706 US7333855B2 (en) | 2004-12-01 | 2005-04-15 | Method and apparatus for determining oversensing in a medical device |
PCT/US2006/014543 WO2006113699A1 (en) | 2005-04-15 | 2006-04-17 | Method and apparatus for determining oversensing in a medical device |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008536585A JP2008536585A (ja) | 2008-09-11 |
JP2008536585A5 JP2008536585A5 (ja) | 2009-05-14 |
JP4949382B2 true JP4949382B2 (ja) | 2012-06-06 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008506822A Active JP4949382B2 (ja) | 2005-04-15 | 2006-04-17 | 医療デバイスにおいてオーバーセンシングを判定する方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7333855B2 (ja) |
EP (1) | EP1888168B1 (ja) |
JP (1) | JP4949382B2 (ja) |
CA (1) | CA2603289A1 (ja) |
WO (1) | WO2006113699A1 (ja) |
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-
2005
- 2005-04-15 US US11/107,706 patent/US7333855B2/en active Active
-
2006
- 2006-04-17 JP JP2008506822A patent/JP4949382B2/ja active Active
- 2006-04-17 EP EP06750550A patent/EP1888168B1/en active Active
- 2006-04-17 CA CA002603289A patent/CA2603289A1/en not_active Abandoned
- 2006-04-17 WO PCT/US2006/014543 patent/WO2006113699A1/en active Application Filing
Also Published As
Publication number | Publication date |
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EP1888168B1 (en) | 2013-04-03 |
CA2603289A1 (en) | 2006-10-26 |
EP1888168A1 (en) | 2008-02-20 |
US7333855B2 (en) | 2008-02-19 |
JP2008536585A (ja) | 2008-09-11 |
WO2006113699A1 (en) | 2006-10-26 |
US20060116732A1 (en) | 2006-06-01 |
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