WO2012054573A3 - Systems for detecting a condition - Google Patents

Systems for detecting a condition Download PDF

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Publication number
WO2012054573A3
WO2012054573A3 PCT/US2011/056841 US2011056841W WO2012054573A3 WO 2012054573 A3 WO2012054573 A3 WO 2012054573A3 US 2011056841 W US2011056841 W US 2011056841W WO 2012054573 A3 WO2012054573 A3 WO 2012054573A3
Authority
WO
WIPO (PCT)
Prior art keywords
condition
systems
detecting
transduction unit
impedance
Prior art date
Application number
PCT/US2011/056841
Other languages
French (fr)
Other versions
WO2012054573A2 (en
Inventor
Timothy Andrew Wagner
Original Assignee
Highland Instruments
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 Highland Instruments filed Critical Highland Instruments
Priority to US13/880,317 priority Critical patent/US9681820B2/en
Publication of WO2012054573A2 publication Critical patent/WO2012054573A2/en
Publication of WO2012054573A3 publication Critical patent/WO2012054573A3/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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
    • A61B5/0036—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room including treatment, e.g., using an implantable medical device, ablating, ventilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0051—Detecting, measuring or recording by applying mechanical forces or stimuli by applying vibrations
    • 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
    • A61B5/0531—Measuring skin impedance
    • 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
    • A61B5/48—Other medical applications
    • A61B5/4884—Other medical applications inducing physiological or psychological stress, e.g. applications for stress testing
    • 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
    • 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
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • A61B5/031—Intracranial pressure

Abstract

The invention generally relates to systems for measuring impedance change in order to detect a condition. In certain aspects, the invention provides systems for monitoring tissue and detecting a condition that include at least one energy source, a transduction unit, and a pattern recognition component that compares impedance signatures recorded from the transduction unit with a database of impedance signatures associated with medical conditions.
PCT/US2011/056841 2010-10-21 2011-10-19 Systems for detecting a condition WO2012054573A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/880,317 US9681820B2 (en) 2010-10-21 2011-10-19 Systems for detecting a condition

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US40526210P 2010-10-21 2010-10-21
US61/405,262 2010-10-21
US201161432882P 2011-01-14 2011-01-14
US61/432,882 2011-01-14

Publications (2)

Publication Number Publication Date
WO2012054573A2 WO2012054573A2 (en) 2012-04-26
WO2012054573A3 true WO2012054573A3 (en) 2014-04-03

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2011/056816 WO2012054560A1 (en) 2010-10-21 2011-10-19 Methods for detecting a condition
PCT/US2011/056841 WO2012054573A2 (en) 2010-10-21 2011-10-19 Systems for detecting a condition

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2011/056816 WO2012054560A1 (en) 2010-10-21 2011-10-19 Methods for detecting a condition

Country Status (2)

Country Link
US (3) US9681820B2 (en)
WO (2) WO2012054560A1 (en)

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