JP6494635B2 - 能動低インピーダンス電極 - Google Patents
能動低インピーダンス電極 Download PDFInfo
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- JP6494635B2 JP6494635B2 JP2016544114A JP2016544114A JP6494635B2 JP 6494635 B2 JP6494635 B2 JP 6494635B2 JP 2016544114 A JP2016544114 A JP 2016544114A JP 2016544114 A JP2016544114 A JP 2016544114A JP 6494635 B2 JP6494635 B2 JP 6494635B2
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- 230000000694 effects Effects 0.000 claims description 39
- 210000003484 anatomy Anatomy 0.000 claims description 23
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- 238000010586 diagram Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 210000004556 brain Anatomy 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/30—Input circuits therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
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- Heart & Thoracic Surgery (AREA)
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- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Description
Claims (8)
- 能動低インピーダンス電極であって、
電圧ノード、電流ノード及び出力ノードを含む電気的活動センサと、
前記電気的活動センサに対して患者電圧を適用するため、前記電圧ノードに動作可能に接続される電圧検出接触であって、前記患者電圧が、患者の生体構造領域の電気的活動を示す、電圧検出接触と、
前記電気的活動センサ及び前記生体構造領域の間のセンサ電流の指向的流れを容易にするため、前記電流ノードに動作可能に接続される電流フロー接触と、
前記出力ノードに動作可能に接続される能動電極カプラとを有し、
前記電圧検出接触及び前記電流フロー接触が、前記患者の生体構造領域に付けられることに基づき、電圧検出接触での前記患者電圧及び能動電極カプラでのセンサ電圧の間の等価を確立するため、前記電気的活動センサが、前記電気的活動センサ及び前記生体構造領域の間の前記センサ電流の前記指向的流れを制御するよう動作可能である、能動低インピーダンス電極。 - 前記電気的活動センサが、前記電圧ノード、前記電流ノード及び前記出力ノードに接続される差動アンプを含む、請求項1に記載の能動低インピーダンス電極。
- 前記差動アンプが、前記出力ノードに接続される非反転入力、前記電圧ノードに接続される反転入力、前記電流ノードに接続される出力を持つ演算増幅器を含む、請求項2に記載の能動低インピーダンス電極。
- 前記電気的活動センサが、前記出力ノードに接続される内部電力供給を含む、請求項1に記載の能動低インピーダンス電極。
- 前記内部電力供給が、前記出力ノードに接続される分割された電力供給を含む、請求項4に記載の能動低インピーダンス電極。
- 前記電気的活動センサが、前記内部電力供給に接続される差動アンプを含む、請求項4に記載の能動低インピーダンス電極。
- 前記内部電力供給が、分割された電力供給を含み、
前記差動アンプは、前記分割された電力供給に接続される電力供給を持つ演算増幅器を含む、請求項6に記載の能動低インピーダンス電極。 - 前記電圧検出接触及び前記電流フロー接触が、前記患者の生体構造領域に付けられることに基づき、前記電圧検出接触及び前記電流フロー接触の間の患者接触インピーダンスが、前記能動電極カプラでの能動電極インピーダンスより大きい、請求項1乃至7のいずれかに記載の能動低インピーダンス電極。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461924255P | 2014-01-07 | 2014-01-07 | |
US61/924,255 | 2014-01-07 | ||
PCT/IB2015/050112 WO2015104657A1 (en) | 2014-01-07 | 2015-01-07 | Active low impedance electrode |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2017500978A JP2017500978A (ja) | 2017-01-12 |
JP2017500978A5 JP2017500978A5 (ja) | 2018-08-23 |
JP6494635B2 true JP6494635B2 (ja) | 2019-04-03 |
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JP2016544114A Active JP6494635B2 (ja) | 2014-01-07 | 2015-01-07 | 能動低インピーダンス電極 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10321838B2 (ja) |
EP (1) | EP3091898B1 (ja) |
JP (1) | JP6494635B2 (ja) |
CN (1) | CN106028922B (ja) |
WO (1) | WO2015104657A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102463174B1 (ko) | 2017-07-31 | 2022-11-04 | 삼성전자주식회사 | 재설정 가능한 증폭기 및 그 증폭 방법 |
CN107898456A (zh) * | 2017-11-13 | 2018-04-13 | 深圳贝特莱电子科技股份有限公司 | 一种基于有源电极的脑电采集装置及方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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US3880146A (en) * | 1973-06-04 | 1975-04-29 | Donald B Everett | Noise compensation techniques for bioelectric potential sensing |
JPH0543766Y2 (ja) * | 1987-03-30 | 1993-11-05 | ||
US6208888B1 (en) | 1999-02-03 | 2001-03-27 | Cardiac Pacemakers, Inc. | Voltage sensing system with input impedance balancing for electrocardiogram (ECG) sensing applications |
CA2452367C (en) | 2001-07-06 | 2008-10-28 | Aspect Medical Systems, Inc. | System and method for measuring bioelectric impedance in the presence of interference |
US7010342B2 (en) * | 2002-03-14 | 2006-03-07 | Inovise Medical, Inc. | Method and apparatus for detecting and transmitting electrical and related audio signals from a single, common anatomical site |
US7092750B2 (en) * | 2003-04-16 | 2006-08-15 | Medtronic Emergency Response Systems, Inc. | ECG signal detection device |
CN100444784C (zh) * | 2004-02-27 | 2008-12-24 | 皇家飞利浦电子股份有限公司 | 用于监测、分析和通信生理状态的可佩带的无线装置 |
US20110105874A1 (en) * | 2007-08-20 | 2011-05-05 | Koninklijke Philips Electronics N.V. | Method for measuring body parameters |
EP2101408B1 (en) | 2008-03-11 | 2012-05-16 | CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement | Floating front-end amplifier and one-wire measuring devices |
EP2453792B1 (en) * | 2009-07-13 | 2017-05-17 | Koninklijke Philips N.V. | Electro-physiological measurement with reduced motion artifacts |
EP2294979B1 (en) * | 2009-09-14 | 2013-12-18 | Imec | Method and electronic medical device for simultaneously measuring an impedance and a biopotential signal |
US9980662B2 (en) * | 2010-05-25 | 2018-05-29 | Neurowave Systems Inc. | Method and system for electrode impedance measurement |
WO2012034161A1 (en) | 2010-09-13 | 2012-03-22 | Hear Ip Pty Ltd | A signal processing device for use in electroencephalography and a cable system incorporating the device |
EP2442443B8 (en) | 2010-10-15 | 2018-02-07 | IMEC vzw | Multi-channel biopotential signal acquisition systems |
JP5668604B2 (ja) * | 2011-05-31 | 2015-02-12 | 株式会社デンソー | 心電検出装置 |
CA2864612C (en) | 2012-03-29 | 2019-09-10 | George Townsend | Differential amplifier and electrode for measuring a biopotential |
CN103197109A (zh) * | 2013-02-22 | 2013-07-10 | 云南电力试验研究院(集团)有限公司电力研究院 | 一种用于电参量精密测量的电路阻抗及电压有源补偿器 |
CN104079164B (zh) * | 2014-06-30 | 2017-06-13 | 华为技术有限公司 | 一种有源emi滤波器及电源管理装置 |
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2015
- 2015-01-07 JP JP2016544114A patent/JP6494635B2/ja active Active
- 2015-01-07 EP EP15703315.0A patent/EP3091898B1/en active Active
- 2015-01-07 US US15/110,203 patent/US10321838B2/en active Active
- 2015-01-07 WO PCT/IB2015/050112 patent/WO2015104657A1/en active Application Filing
- 2015-01-07 CN CN201580004015.8A patent/CN106028922B/zh active Active
Also Published As
Publication number | Publication date |
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JP2017500978A (ja) | 2017-01-12 |
US20160331256A1 (en) | 2016-11-17 |
WO2015104657A1 (en) | 2015-07-16 |
EP3091898A1 (en) | 2016-11-16 |
EP3091898B1 (en) | 2018-10-03 |
CN106028922B (zh) | 2019-07-23 |
US10321838B2 (en) | 2019-06-18 |
CN106028922A (zh) | 2016-10-12 |
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