WO2010123637A3 - Multi-electrode mapping system - Google Patents

Multi-electrode mapping system Download PDF

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Publication number
WO2010123637A3
WO2010123637A3 PCT/US2010/027568 US2010027568W WO2010123637A3 WO 2010123637 A3 WO2010123637 A3 WO 2010123637A3 US 2010027568 W US2010027568 W US 2010027568W WO 2010123637 A3 WO2010123637 A3 WO 2010123637A3
Authority
WO
WIPO (PCT)
Prior art keywords
mapping system
electrodes
electrode mapping
unipolar signals
laplace
Prior art date
Application number
PCT/US2010/027568
Other languages
French (fr)
Other versions
WO2010123637A2 (en
Inventor
Doron Harlev
Zsolt Badics
Original Assignee
Rhythmia Medical, Inc.
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 Rhythmia Medical, Inc. filed Critical Rhythmia Medical, Inc.
Priority to JP2012507231A priority Critical patent/JP5703288B2/en
Priority to EP10767478.0A priority patent/EP2421432B1/en
Priority to CA2758611A priority patent/CA2758611A1/en
Publication of WO2010123637A2 publication Critical patent/WO2010123637A2/en
Publication of WO2010123637A3 publication Critical patent/WO2010123637A3/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
    • A61B5/24—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
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A61B5/283—Invasive
    • A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A61B5/062—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using magnetic field
    • 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
    • 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
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/339—Displays specially adapted therefor
    • 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
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • 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
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • 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
    • 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
    • A61N1/3702—Physiological parameters

Abstract

In some aspects, a method includes measuring unipolar signals at one or more electrodes in response to electrical activity in a heart cavity. The method also includes determining, based at least in part on Laplace's equation, bipolar physiological information at multiple locations of an surface based on the measured unipolar signals and positions of the one or more electrodes with respect to the surface.
PCT/US2010/027568 2009-04-23 2010-03-17 Multi-electrode mapping system WO2010123637A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012507231A JP5703288B2 (en) 2009-04-23 2010-03-17 Multi-electrode mapping system
EP10767478.0A EP2421432B1 (en) 2009-04-23 2010-03-17 Multi-electrode mapping system
CA2758611A CA2758611A1 (en) 2009-04-23 2010-03-17 Multi-electrode mapping system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/428,838 2009-04-23
US12/428,838 US9398862B2 (en) 2009-04-23 2009-04-23 Multi-electrode mapping system

Publications (2)

Publication Number Publication Date
WO2010123637A2 WO2010123637A2 (en) 2010-10-28
WO2010123637A3 true WO2010123637A3 (en) 2011-01-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/027568 WO2010123637A2 (en) 2009-04-23 2010-03-17 Multi-electrode mapping system

Country Status (5)

Country Link
US (3) US9398862B2 (en)
EP (1) EP2421432B1 (en)
JP (1) JP5703288B2 (en)
CA (1) CA2758611A1 (en)
WO (1) WO2010123637A2 (en)

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US20100274150A1 (en) 2010-10-28
US20110275949A1 (en) 2011-11-10
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US20160331259A1 (en) 2016-11-17
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