AU2019348188B2 - Evaluating impedance measurements - Google Patents

Evaluating impedance measurements Download PDF

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Publication number
AU2019348188B2
AU2019348188B2 AU2019348188A AU2019348188A AU2019348188B2 AU 2019348188 B2 AU2019348188 B2 AU 2019348188B2 AU 2019348188 A AU2019348188 A AU 2019348188A AU 2019348188 A AU2019348188 A AU 2019348188A AU 2019348188 B2 AU2019348188 B2 AU 2019348188B2
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impedance
measurement
values
processing devices
curve
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AU2019348188A
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AU2019348188A1 (en
Inventor
Richelle Leanne Gaw
Benjamin Sanchez Terrones
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Impedimed Ltd
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Impedimed Ltd
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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
    • A61B5/05—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
    • A61B5/05—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
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • 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
    • A61B5/7221—Determining signal validity, reliability or quality
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
    • A61B5/002—Monitoring the patient using a local or closed circuit, e.g. in a room or building
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
    • A61B5/0022—Monitoring a patient using a global network, e.g. telephone networks, internet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0064—Body surface scanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1079—Measuring physical dimensions, e.g. size of the entire body or parts thereof using optical or photographic means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A61B5/4872—Body fat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A61B5/4875—Hydration status, fluid retention of the body
    • A61B5/4878—Evaluating oedema
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
    • A61B5/7267—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems involving training the classification device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/742—Details of notification to user or communication with user or patient; User input means using visual displays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
AU2019348188A 2018-09-27 2019-09-20 Evaluating impedance measurements Active AU2019348188B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862737721P 2018-09-27 2018-09-27
US62/737,721 2018-09-27
US201962842804P 2019-05-03 2019-05-03
US62/842,804 2019-05-03
PCT/AU2019/051006 WO2020061619A1 (en) 2018-09-27 2019-09-20 Evaluating impedance measurements

Publications (2)

Publication Number Publication Date
AU2019348188A1 AU2019348188A1 (en) 2021-04-22
AU2019348188B2 true AU2019348188B2 (en) 2024-10-17

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Application Number Title Priority Date Filing Date
AU2019348188A Active AU2019348188B2 (en) 2018-09-27 2019-09-20 Evaluating impedance measurements

Country Status (6)

Country Link
US (1) US20220007956A1 (https=)
EP (1) EP3856024B1 (https=)
JP (1) JP7410937B2 (https=)
CN (1) CN112770669A (https=)
AU (1) AU2019348188B2 (https=)
WO (1) WO2020061619A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021250555A1 (en) * 2020-06-12 2021-12-16 Terumo Kabushiki Kaisha Edema detection
US12558470B2 (en) 2020-12-31 2026-02-24 Corren Medical, Inc. Guided blood filtration therapy, systems, and methods
CN115251879A (zh) * 2022-06-29 2022-11-01 芯海科技（深圳）股份有限公司 生物阻抗测量方法、装置、设备及存储介质
CN115295139A (zh) * 2022-08-02 2022-11-04 北京大学口腔医学院 基于生物电阻抗的水肿监测系统
CN116087616A (zh) * 2022-11-15 2023-05-09 南京大学 一种一次性使用心电电极交流阻抗特性的评价方法
CN116027180B (zh) * 2023-03-30 2023-06-23 常州海弘电子有限公司 一种pcb板高阻抗的性能检测方法及系统
JP2024145708A (ja) * 2023-03-31 2024-10-15 テルモ株式会社 身体組成計測装置、制御方法、および制御プログラム
CN117017259A (zh) * 2023-07-19 2023-11-10 新绎健康科技有限公司 一种定量测定皮肤阻抗的方法
CN117017261B (zh) * 2023-08-17 2025-08-29 广州中康先觉健康科技有限责任公司 一种电极接触状况自动检测方法
CN120501405B (zh) * 2025-07-22 2025-11-14 杭州永川科技有限公司 一种电阻抗检测方法、装置、电子装置和存储介质

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5372141A (en) * 1992-07-01 1994-12-13 Body Composition Analyzers, Inc. Body composition analyzer
US6678552B2 (en) * 1994-10-24 2004-01-13 Transscan Medical Ltd. Tissue characterization based on impedance images and on impedance measurements
JP3747143B2 (ja) 2000-03-30 2006-02-22 株式会社タニタ 生体電気インピーダンス測定装置
JP3699338B2 (ja) 2000-06-28 2005-09-28 株式会社タニタ 生体電気インピーダンス測定装置
JP2004255120A (ja) * 2003-02-28 2004-09-16 Tanita Corp 体組成推定法及び体組成測定装置
JP2005080720A (ja) 2003-09-05 2005-03-31 Tanita Corp 生体電気インピーダンス測定装置
CA2609111C (en) 2005-07-01 2016-10-18 Scott Chetham A method and apparatus for performing impedance measurements in accordance with determining an electrode arrangement using a displayed representation
US7340294B2 (en) * 2005-08-11 2008-03-04 The General Electric Company Impedance measurement apparatus for assessment of biomedical electrode interface quality
US9254163B2 (en) * 2005-12-06 2016-02-09 St. Jude Medical, Atrial Fibrillation Division, Inc. Assessment of electrode coupling for tissue ablation
ES2545730T3 (es) * 2006-05-30 2015-09-15 Impedimed Limited Mediciones de impedancia
EP2091425A4 (en) * 2006-11-30 2012-07-25 Impedimed Ltd Measurement apparatus
ES2615128T3 (es) 2007-11-05 2017-06-05 Impedimed Limited Determinación de impedancia
JP5110277B2 (ja) * 2007-11-07 2012-12-26 Ｓｋメディカル電子株式会社 身体組成推計装置及び身体組成推計方法
EP2408364A4 (en) 2009-03-16 2014-04-23 Critical Perfusion Inc SYSTEMS AND METHOD FOR CHARACTERISTIC PARAMETER ESTIMATION OF GASTRIC IMPEDANCE SPECTRA IN HUMANS
EP2563215B1 (en) * 2010-04-26 2016-03-02 SciBase AB Method and device for quality assessment of an electrical impedance measurement on tissue
US8868205B2 (en) * 2010-12-20 2014-10-21 General Electric Company System and method for determining physiological parameters based on electrical impedance measurements
US9265557B2 (en) * 2011-01-31 2016-02-23 Medtronic Ablation Frontiers Llc Multi frequency and multi polarity complex impedance measurements to assess ablation lesions
JP5969512B2 (ja) * 2011-02-17 2016-08-17 クアルコム ライフ インコーポレイテッドＱｕａｌｃｏｍｍ Ｌｉｆｅ，Ｉｎｃ． 哺乳動物の心血管の量を判定する方法およびシステム
US9645111B2 (en) * 2012-06-08 2017-05-09 Medtronic Minimed, Inc. Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods
US20170325711A1 (en) * 2013-01-29 2017-11-16 Seca Ag Method and apparatus for testing plausibility of measurement values in body composition analysis
US9949663B1 (en) * 2014-11-13 2018-04-24 Ori Diagnostic Instruments, LLC Apparatus and method for the analysis of the change of body composition and hydration status and for dynamic indirect individualized measurement of components of the human energy metabolism
RU2017140233A (ru) 2015-05-12 2019-06-13 Навикс Интернэшнл Лимитед Оценка качества контакта посредством анализа диэлектрических свойств
KR101696791B1 (ko) * 2015-07-31 2017-01-17 연세대학교 원주산학협력단 흉부임피던스를 이용한 폐기능 모니터링 장치 및 방법

Also Published As

Publication number Publication date
JP2022511363A (ja) 2022-01-31
JP7410937B2 (ja) 2024-01-10
AU2019348188A1 (en) 2021-04-22
EP3856024B1 (en) 2025-07-02
EP3856024A1 (en) 2021-08-04
US20220007956A1 (en) 2022-01-13
WO2020061619A1 (en) 2020-04-02
EP3856024A4 (en) 2022-06-22
CN112770669A (zh) 2021-05-07

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