JP5542050B2 - インピーダンス測定方法及び装置 - Google Patents
インピーダンス測定方法及び装置 Download PDFInfo
- Publication number
- JP5542050B2 JP5542050B2 JP2010519310A JP2010519310A JP5542050B2 JP 5542050 B2 JP5542050 B2 JP 5542050B2 JP 2010519310 A JP2010519310 A JP 2010519310A JP 2010519310 A JP2010519310 A JP 2010519310A JP 5542050 B2 JP5542050 B2 JP 5542050B2
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- Prior art keywords
- electrode
- measurement
- impedance
- electrodes
- site
- 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
Links
- 238000000034 method Methods 0.000 title claims description 83
- 238000002847 impedance measurement Methods 0.000 title claims description 29
- 238000005259 measurement Methods 0.000 claims description 177
- 230000005856 abnormality Effects 0.000 claims description 57
- 238000012545 processing Methods 0.000 claims description 53
- 230000003902 lesion Effects 0.000 claims description 32
- 230000004044 response Effects 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 2
- 210000001519 tissue Anatomy 0.000 description 36
- 230000008569 process Effects 0.000 description 20
- 238000005534 hematocrit Methods 0.000 description 19
- 210000003743 erythrocyte Anatomy 0.000 description 14
- 210000002381 plasma Anatomy 0.000 description 14
- 238000013507 mapping Methods 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 9
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- 238000011871 bio-impedance analysis Methods 0.000 description 4
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- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
-
- 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
-
- 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
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7282—Event detection, e.g. detecting unique waveforms indicative of a medical condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
- A61B2562/0214—Capacitive electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/04—Arrangements of multiple sensors of the same type
- A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
- A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
- A61B5/4318—Evaluation of the lower reproductive system
- A61B5/4331—Evaluation of the lower reproductive system of the cervix
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
- A61B5/444—Evaluating skin marks, e.g. mole, nevi, tumour, scar
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Psychiatry (AREA)
- Physiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2007904287A AU2007904287A0 (en) | 2007-08-09 | Impedance measurement process | |
| AU2007904287 | 2007-08-09 | ||
| PCT/AU2008/001145 WO2009018620A1 (en) | 2007-08-09 | 2008-08-07 | Impedance measurement process |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010535544A JP2010535544A (ja) | 2010-11-25 |
| JP2010535544A5 JP2010535544A5 (enExample) | 2011-09-22 |
| JP5542050B2 true JP5542050B2 (ja) | 2014-07-09 |
Family
ID=40340887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010519310A Expired - Fee Related JP5542050B2 (ja) | 2007-08-09 | 2008-08-07 | インピーダンス測定方法及び装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20110046505A1 (enExample) |
| EP (1) | EP2175776B1 (enExample) |
| JP (1) | JP5542050B2 (enExample) |
| AU (1) | AU2008286194B2 (enExample) |
| CA (1) | CA2707419A1 (enExample) |
| WO (1) | WO2009018620A1 (enExample) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006265763B2 (en) | 2005-07-01 | 2012-08-09 | Impedimed Limited | Monitoring system |
| CA2608962C (en) | 2005-07-01 | 2016-12-06 | Scott Chetham | Monitoring system |
| ES2476999T3 (es) | 2005-10-11 | 2014-07-15 | Impedimed Limited | Monitorización del estado de hidratación |
| WO2008064426A1 (en) | 2006-11-30 | 2008-06-05 | Impedimed Limited | Measurement apparatus |
| EP2148613B9 (en) | 2007-04-20 | 2014-12-10 | Impedimed Limited | Monitoring system and probe |
| CA2707419A1 (en) | 2007-08-09 | 2009-02-12 | Impedimed Limited | Impedance measurement process |
| AU2008207672B2 (en) | 2008-02-15 | 2013-10-31 | Impedimed Limited | Impedance Analysis |
| AU2009321478B2 (en) * | 2008-11-28 | 2014-01-23 | Impedimed Limited | Impedance measurement process |
| WO2010085969A1 (en) * | 2009-01-27 | 2010-08-05 | Scibase Ab | Switch probe for multiple electrode measurement of impedance |
| GB2471873B (en) * | 2009-07-15 | 2015-09-23 | Wzvi Ltd | Electrical impedance imaging |
| EP2305112A1 (de) * | 2009-10-01 | 2011-04-06 | seca ag | Bioimpedanzmessvorrichtung |
| AU2010312305B2 (en) | 2009-10-26 | 2014-01-16 | Impedimed Limited | Fluid level indicator determination |
| US9585593B2 (en) | 2009-11-18 | 2017-03-07 | Chung Shing Fan | Signal distribution for patient-electrode measurements |
| PT3155965T (pt) | 2010-05-08 | 2025-09-25 | Univ California | Método e dispositivo de sensor de radiofrequência para a deteção precoce de úlceras de pressão |
| ITMI20111177A1 (it) * | 2011-06-28 | 2012-12-29 | St Microelectronics Srl | Metodo e dispositivo per misurare l'impedenza elettrica di tessuti biologici |
| CN103006199B (zh) * | 2011-09-26 | 2016-09-28 | 三星电子株式会社 | 用于测量生物信号的设备和方法 |
| CA2858244A1 (en) | 2011-12-14 | 2013-06-20 | Intersection Medical, Inc. | Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue |
| US9113805B2 (en) | 2013-03-04 | 2015-08-25 | Mortara Instrument, Inc. | Impedance measurement system |
| JP6079436B2 (ja) * | 2013-05-27 | 2017-02-15 | 富士通株式会社 | 半導体装置 |
| WO2015017420A1 (en) | 2013-07-29 | 2015-02-05 | The Regents Of The University Of Michigan | Evaluating cardiovascular health using intravascular volume |
| US11501143B2 (en) | 2013-10-11 | 2022-11-15 | Hrl Laboratories, Llc | Scalable integrated circuit with synaptic electronics and CMOS integrated memristors |
| GB2524470B (en) * | 2014-02-16 | 2019-04-17 | Wang Wei | An apparatus and method for "high-resolution" electrical impedance imaging |
| AT516499B1 (de) | 2015-04-22 | 2016-06-15 | Skrabal Falko Dr | Körperimpedanz-Messgerät |
| US10182740B2 (en) | 2015-04-24 | 2019-01-22 | Bruin Biometrics, Llc | Apparatus and methods for determining damaged tissue using sub-epidermal moisture measurements |
| EP3322335B1 (en) * | 2015-07-16 | 2021-01-20 | Impedimed Limited | Fluid level determination |
| KR102822726B1 (ko) * | 2017-01-24 | 2025-06-18 | 삼성전자주식회사 | 생체 임피던스 측정 장치 및 방법과, 생체 정보 측정 장치 및 방법 |
| CA3042103A1 (en) | 2017-02-03 | 2018-08-09 | Bruin Biometrics, Llc | Measurement of susceptibility to diabetic foot ulcers |
| MX2019004926A (es) | 2017-02-03 | 2019-06-20 | Bruin Biometrics Llc | Medicion del edema. |
| PT3515296T (pt) | 2017-02-03 | 2023-12-18 | Bbi Medical Innovations Llc | Medição da viabilidade do tecido |
| CN117653027A (zh) | 2017-11-16 | 2024-03-08 | 布鲁恩生物有限责任公司 | 在多个护理环境中提供护理连续性 |
| PL3749181T3 (pl) | 2018-02-09 | 2024-06-10 | Bruin Biometrics, Llc | Wykrywanie uszkodzenia tkanek |
| JP7361732B2 (ja) * | 2018-06-22 | 2023-10-16 | ユニヴェルシテ・ドゥ・レンヌ・１ | 媒体の物理的パラメータを推定するためのシステム及び方法 |
| IL319197A (en) | 2018-10-11 | 2025-04-01 | Bruin Biometrics Llc | Device with a single-use component |
| GB2590442B (en) * | 2019-12-18 | 2022-06-08 | Qinetiq Ltd | Imaging system |
| CN113425280B (zh) * | 2020-03-19 | 2023-10-31 | 芯海科技（深圳）股份有限公司 | 人体阻抗异常测量的识别方法、测量设备及存储介质 |
| CN113796848B (zh) * | 2020-05-29 | 2024-02-06 | 芯海科技（深圳）股份有限公司 | 一种人体阻抗测量方法、设备及计算机可读存储介质 |
| KR102478292B1 (ko) * | 2020-12-21 | 2022-12-16 | 주식회사 바이랩 | 반복적으로 고주파 전류를 주입하거나 전압을 인가하는 동안에 저주파 생체신호를 측정하는 장치 및 그 방법 |
| MX2023009108A (es) | 2021-02-03 | 2023-08-09 | Bruin Biometrics Llc | Métodos de tratamiento de daño tisular inducido por presión en estadio profundo y temprano. |
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2008
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- 2008-08-07 WO PCT/AU2008/001145 patent/WO2009018620A1/en not_active Ceased
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- 2008-08-07 EP EP08782894.3A patent/EP2175776B1/en not_active Not-in-force
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|---|---|
| US20110046505A1 (en) | 2011-02-24 |
| US20160089051A1 (en) | 2016-03-31 |
| EP2175776A1 (en) | 2010-04-21 |
| JP2010535544A (ja) | 2010-11-25 |
| EP2175776A4 (en) | 2013-05-29 |
| US10070800B2 (en) | 2018-09-11 |
| CA2707419A1 (en) | 2009-02-12 |
| AU2008286194B2 (en) | 2014-05-15 |
| AU2008286194A1 (en) | 2009-02-12 |
| WO2009018620A1 (en) | 2009-02-12 |
| EP2175776B1 (en) | 2016-03-23 |
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