WO2007031951A3 - Bio-impedance apparatus and method - Google Patents

Bio-impedance apparatus and method Download PDF

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Publication number
WO2007031951A3
WO2007031951A3 PCT/IB2006/053263 IB2006053263W WO2007031951A3 WO 2007031951 A3 WO2007031951 A3 WO 2007031951A3 IB 2006053263 W IB2006053263 W IB 2006053263W WO 2007031951 A3 WO2007031951 A3 WO 2007031951A3
Authority
WO
WIPO (PCT)
Prior art keywords
impedance
bio
lung
patient
leads
Prior art date
Application number
PCT/IB2006/053263
Other languages
French (fr)
Other versions
WO2007031951A2 (en
Inventor
Abboud Shimon Arad
Original Assignee
Univ Tel Aviv Future Tech Dev
Abboud Shimon Arad
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Tel Aviv Future Tech Dev, Abboud Shimon Arad filed Critical Univ Tel Aviv Future Tech Dev
Publication of WO2007031951A2 publication Critical patent/WO2007031951A2/en
Publication of WO2007031951A3 publication Critical patent/WO2007031951A3/en

Links

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
    • 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
    • A61B5/05—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
    • A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • 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
    • 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

Abstract

A method of determining an impedance of at least one lung of a patient having an implanted pacemaker that comprises first and second leads and a case, the method comprising: a) using the leads and the case to acquire at least a first and a second impedance measurement responsive to impedance of the patient's chest that are at least partially independent; and b) using the impedance measurements to determine the impedance of at least one of the lungs substantially independently of impedance of the other lung.
PCT/IB2006/053263 2005-09-13 2006-09-13 Bio-impedance apparatus and method WO2007031951A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/225,630 2005-09-13
US11/225,630 US7907998B2 (en) 2002-07-03 2005-09-13 Bio-impedance apparatus and method

Publications (2)

Publication Number Publication Date
WO2007031951A2 WO2007031951A2 (en) 2007-03-22
WO2007031951A3 true WO2007031951A3 (en) 2007-11-22

Family

ID=37865353

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/053263 WO2007031951A2 (en) 2005-09-13 2006-09-13 Bio-impedance apparatus and method

Country Status (2)

Country Link
US (1) US7907998B2 (en)
WO (1) WO2007031951A2 (en)

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US9724012B2 (en) 2005-10-11 2017-08-08 Impedimed Limited Hydration status monitoring
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US9913982B2 (en) 2011-01-28 2018-03-13 Cyberonics, Inc. Obstructive sleep apnea treatment devices, systems and methods
US9205262B2 (en) 2011-05-12 2015-12-08 Cyberonics, Inc. Devices and methods for sleep apnea treatment
ES2722849T3 (en) 2006-10-13 2019-08-19 Cyberonics Inc Devices and systems for the treatment of obstructive sleep apnea
US9186511B2 (en) 2006-10-13 2015-11-17 Cyberonics, Inc. Obstructive sleep apnea treatment devices, systems and methods
US8855771B2 (en) 2011-01-28 2014-10-07 Cyberonics, Inc. Screening devices and methods for obstructive sleep apnea therapy
US9744354B2 (en) 2008-12-31 2017-08-29 Cyberonics, Inc. Obstructive sleep apnea treatment devices, systems and methods
AU2007327573B2 (en) 2006-11-30 2013-07-18 Impedimed Limited Measurement apparatus
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WO2009018620A1 (en) 2007-08-09 2009-02-12 Impedimed Limited Impedance measurement process
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US8214050B2 (en) * 2007-12-31 2012-07-03 Cvrx, Inc. Method for monitoring physiological cycles of a patient to optimize patient therapy
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CN102209492A (en) 2008-10-10 2011-10-05 明尼苏达大学董事会 Improved monitor of heart failure using bioimpedance
US8914101B2 (en) * 2008-10-30 2014-12-16 Medtronic, Inc. System and method to localize changes in intrathoracic fluid content using measured impedance in an implantable device
JP5575789B2 (en) 2008-11-19 2014-08-20 インスパイア・メディカル・システムズ・インコーポレイテッド How to treat sleep-disordered breathing
JP5616900B2 (en) 2008-11-28 2014-10-29 インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ Impedance measurement process
US9486628B2 (en) 2009-03-31 2016-11-08 Inspire Medical Systems, Inc. Percutaneous access for systems and methods of treating sleep apnea
WO2011050393A1 (en) 2009-10-26 2011-05-05 Impedimed Limited Fluid level indicator determination
CA2778770A1 (en) 2009-11-18 2011-05-26 Chung Shing Fan Signal distribution for patient-electrode measurements
EP2407102A1 (en) * 2010-07-15 2012-01-18 Tanita Corporation Respiration characteristic analysis apparatus and respiration characteristic analysis system
WO2013023218A1 (en) 2011-08-11 2013-02-14 Inspire Medical Systems, Inc. System for selecting a stimulation protocol based on sensed respiratory effort
US8934992B2 (en) 2011-09-01 2015-01-13 Inspire Medical Systems, Inc. Nerve cuff
AU2012351988B2 (en) 2011-12-14 2017-05-04 Impedimed Limited Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue
US20150297099A1 (en) * 2012-10-03 2015-10-22 Ramot At Tel-Aviv University Ltd. Parametric electric impedance tomography of the chest
EP3003129B1 (en) 2013-05-26 2020-03-25 OsteoSee Ltd. Electrical impedance tomography (eit) system and method for diagnosing and monitoring osteoporosis
EP4241662A1 (en) 2014-02-11 2023-09-13 Cyberonics, Inc. Systems for detecting and treating obstructive sleep apnea
EP3203906A1 (en) * 2014-10-07 2017-08-16 Cardiac Pacemakers, Inc. Calibrating intrathoracic impedance for absolute lung fluid measurement
EP3271008A1 (en) 2015-03-19 2018-01-24 Inspire Medical Systems, Inc. Stimulation for treating sleep disordered breathing
WO2019032890A1 (en) 2017-08-11 2019-02-14 Inspire Medical Systems, Inc. Cuff electrode
US11723579B2 (en) 2017-09-19 2023-08-15 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement
US11717686B2 (en) 2017-12-04 2023-08-08 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to facilitate learning and performance
US11478603B2 (en) 2017-12-31 2022-10-25 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to enhance emotional response
US11364361B2 (en) 2018-04-20 2022-06-21 Neuroenhancement Lab, LLC System and method for inducing sleep by transplanting mental states
US11047821B2 (en) * 2018-05-31 2021-06-29 Analog Devices International Unlimited Company Bio-impedance and contact impedances measurement
EP3849410A4 (en) 2018-09-14 2022-11-02 Neuroenhancement Lab, LLC System and method of improving sleep
CN109646000B (en) * 2018-12-21 2022-05-20 南京邮电大学 Node electrical impedance imaging method based on local subdivision
US11786694B2 (en) 2019-05-24 2023-10-17 NeuroLight, Inc. Device, method, and app for facilitating sleep

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US20050080460A1 (en) * 2003-10-14 2005-04-14 Li Wang Method and apparatus for monitoring tissue fluid content for use in an implantable cardiac device
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Also Published As

Publication number Publication date
WO2007031951A2 (en) 2007-03-22
US7907998B2 (en) 2011-03-15
US20060064029A1 (en) 2006-03-23

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