AU2019364219B2 - Systems and methods for monitoring neural activity - Google Patents

Systems and methods for monitoring neural activity Download PDF

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Publication number
AU2019364219B2
AU2019364219B2 AU2019364219A AU2019364219A AU2019364219B2 AU 2019364219 B2 AU2019364219 B2 AU 2019364219B2 AU 2019364219 A AU2019364219 A AU 2019364219A AU 2019364219 A AU2019364219 A AU 2019364219A AU 2019364219 B2 AU2019364219 B2 AU 2019364219B2
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stimulation
measurement
signal
voltage
amplifier
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AU2019364219A1 (en
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Paul B. FITZGERALD
Mark Harrison
Caley SULLIVAN
Richard H. THOMSON
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Monash University
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Monash University
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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
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • 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
    • A61B5/307—Input circuits therefor specially adapted for particular uses
    • A61B5/31—Input circuits 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A61B5/372—Analysis of electroencephalograms
    • 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A61B5/377—Electroencephalography [EEG] using evoked responses
    • A61B5/383—Somatosensory stimuli, e.g. electric stimulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4058—Detecting, measuring or recording for evaluating the nervous system for evaluating the central nervous system
    • A61B5/4064—Evaluating the brain
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
    • 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
    • A61B5/7225—Details of analogue processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
    • 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
    • A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A61N1/0408—Use-related aspects
    • A61N1/0456—Specially adapted for transcutaneous electrical nerve stimulation [TENS]
    • A—HUMAN NECESSITIES
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    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0519—Endotracheal electrodes
    • A—HUMAN NECESSITIES
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    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0526—Head electrodes
    • A61N1/0529—Electrodes for brain stimulation
    • A61N1/0531—Brain cortex electrodes
    • A—HUMAN NECESSITIES
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    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0526—Head electrodes
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    • A—HUMAN NECESSITIES
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    • A61N1/02—Details
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0526—Head electrodes
    • A61N1/0548—Oral electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0551—Spinal or peripheral nerve electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
    • 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
    • A61N1/20—Applying electric currents by contact electrodes continuous direct currents
    • 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
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A61N1/36025—External stimulators, e.g. with patch electrodes for treating a mental or cerebral condition
    • 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
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A61N1/3603—Control systems
    • 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
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A61N1/3603—Control systems
    • A61N1/36034—Control systems specified by the stimulation parameters
    • 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
    • A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
    • A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
    • A61N1/36082—Cognitive or psychiatric applications, e.g. dementia or Alzheimer's disease
    • 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
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6814—Head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0526—Head electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Neurology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Psychology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Neurosurgery (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Cardiology (AREA)
  • Psychiatry (AREA)
  • Physiology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Signal Processing (AREA)
  • Developmental Disabilities (AREA)
  • Hospice & Palliative Care (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Social Psychology (AREA)
  • Power Engineering (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Otolaryngology (AREA)
  • Pulmonology (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
AU2019364219A 2018-10-26 2019-10-25 Systems and methods for monitoring neural activity Active AU2019364219B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2018904064 2018-10-26
AU2018904064A AU2018904064A0 (en) 2018-10-26 Systems and methods for monitoring neural activity
PCT/AU2019/051175 WO2020082135A1 (en) 2018-10-26 2019-10-25 Systems and methods for monitoring neural activity

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AU2019364219A1 AU2019364219A1 (en) 2021-06-10
AU2019364219B2 true AU2019364219B2 (en) 2025-04-10

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US (1) US12097366B2 (enExample)
EP (1) EP3870041B1 (enExample)
JP (1) JP7518546B2 (enExample)
KR (1) KR102897303B1 (enExample)
CN (1) CN113556976B (enExample)
AU (1) AU2019364219B2 (enExample)
WO (1) WO2020082135A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017177264A1 (en) 2016-04-11 2017-10-19 Monash University Transcranial stimulation with real-time monitoring
IT201800002962A1 (it) 2018-02-22 2019-08-22 Newronika Srl Apparato per il trattamento di disordini neurologici mediante elettrostimolazione e metodo di elaborazione del segnale neurologico raccolto da detto apparato
GB2614318B (en) * 2021-12-28 2024-08-07 Brainpatch Ltd Electronic circuit for delivering bi-directional electrical stimulation
CN115779268B (zh) * 2022-11-25 2026-06-02 浙江大学 一种经颅电刺激的多脑区电极优化方法
US20250099756A1 (en) * 2023-09-22 2025-03-27 Nexalin Technology, Inc. Passive electrical neurofeedback treatment method for mild traumatic brain injury and post-concussion symptoms

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595010A (en) * 1984-03-12 1986-06-17 Bio-Research Associates, Inc. Electrical muscle stimulator
US20020077670A1 (en) * 2000-04-05 2002-06-20 Archer Stephen T. Stimulation signal generator for an implantable device
US8660650B2 (en) * 2011-05-20 2014-02-25 Sony Corporation Electroencephalogram activation apparatus
US20170071490A1 (en) * 2011-05-13 2017-03-16 Saluda Medical Pty, Ltd. Method and Apparatus for Measurement of Neural Response

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11178804A (ja) * 1997-12-25 1999-07-06 Matsushita Electric Ind Co Ltd 体調チェック装置
US8190248B2 (en) 2003-10-16 2012-05-29 Louisiana Tech University Foundation, Inc. Medical devices for the detection, prevention and/or treatment of neurological disorders, and methods related thereto
KR101674580B1 (ko) * 2010-03-26 2016-11-09 삼성전자주식회사 생체 신호를 측정하는 장치 및 방법
KR101101118B1 (ko) * 2010-04-28 2012-01-05 주식회사 엠아이텍 생체와 자극전극 사이의 계면 임피던스 측정 장치
KR20120111268A (ko) * 2011-03-31 2012-10-10 경북대학교 산학협력단 생체 신호 측정 시스템 및 그 방법
KR101508158B1 (ko) * 2013-07-08 2015-04-07 한국과학기술연구원 전기 자극 시스템에서의 전극 오프셋 전압의 제어
CA2944042C (en) * 2014-05-05 2023-08-29 Saluda Medical Pty Ltd Improved neural measurement
US11980465B2 (en) 2015-04-03 2024-05-14 Medtronic Xomed, Inc. System and method for omni-directional bipolar stimulation of nerve tissue of a patient via a bipolar stimulation probe
US10135459B2 (en) 2016-10-25 2018-11-20 Analog Devices, Inc. ADC with capacitive difference circuit and digital sigma-delta feedback

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595010A (en) * 1984-03-12 1986-06-17 Bio-Research Associates, Inc. Electrical muscle stimulator
US20020077670A1 (en) * 2000-04-05 2002-06-20 Archer Stephen T. Stimulation signal generator for an implantable device
US20170071490A1 (en) * 2011-05-13 2017-03-16 Saluda Medical Pty, Ltd. Method and Apparatus for Measurement of Neural Response
US8660650B2 (en) * 2011-05-20 2014-02-25 Sony Corporation Electroencephalogram activation apparatus

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PARK ET AL.: "A Novel Array-type Transcranial Direct Current Stimulation (tDCS) System for Accurate Focusing on Targeted Brain Regions", DIGESTS OF THE 2010 14TH BIENNIAL IEEE CONF, 12 May 2010 (2010-05-12), XP031687591 *
VALENTE ET AL.: "Design of a Current-Steering Implantable Stimulator with Electric Field Shifting for Deep Brain Stimulation", 2010 BIOMEDICAL CIRCUITS AND SYSTEMS CONFERENCE (BIOCAS, 5 November 2010 (2010-11-05), XP031899723 *

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EP3870041A4 (en) 2022-07-27
CN113556976A (zh) 2021-10-26
EP3870041B1 (en) 2024-02-14
WO2020082135A1 (en) 2020-04-30
KR102897303B1 (ko) 2025-12-10
JP2022505949A (ja) 2022-01-14
US12097366B2 (en) 2024-09-24
KR20210095638A (ko) 2021-08-02
AU2019364219A1 (en) 2021-06-10
JP7518546B2 (ja) 2024-07-18
EP3870041A1 (en) 2021-09-01
US20220118247A1 (en) 2022-04-21
CN113556976B (zh) 2024-07-02

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