WO2000025672A8 - System and method for magnetic-resonance-guided electrophysiologic and ablation procedures - Google Patents

System and method for magnetic-resonance-guided electrophysiologic and ablation procedures

Info

Publication number
WO2000025672A8
WO2000025672A8 PCT/US1999/025858 US9925858W WO0025672A8 WO 2000025672 A8 WO2000025672 A8 WO 2000025672A8 US 9925858 W US9925858 W US 9925858W WO 0025672 A8 WO0025672 A8 WO 0025672A8
Authority
WO
WIPO (PCT)
Prior art keywords
physiologic
imaging
electro
resonance
magnetic
Prior art date
Application number
PCT/US1999/025858
Other languages
French (fr)
Other versions
WO2000025672A1 (en
Inventor
Henry R Halperin
Ronald D Berger
Ergin Atalar
Elliot R Mcveigh
Albert Lardo
Hugh Calkins
Joao Lima
Original Assignee
Univ Johns Hopkins
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 Johns Hopkins filed Critical Univ Johns Hopkins
Priority to CA002349235A priority Critical patent/CA2349235A1/en
Priority to EP99958755A priority patent/EP1126784B1/en
Priority to AU16051/00A priority patent/AU1605100A/en
Publication of WO2000025672A1 publication Critical patent/WO2000025672A1/en
Publication of WO2000025672A8 publication Critical patent/WO2000025672A8/en
Priority to HK02101346.7A priority patent/HK1041190A1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/41Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/414Evaluating particular organs or parts of the immune or lymphatic systems
    • A61B5/415Evaluating particular organs or parts of the immune or lymphatic systems the glands, e.g. tonsils, adenoids or thymus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/41Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/414Evaluating particular organs or parts of the immune or lymphatic systems
    • A61B5/418Evaluating particular organs or parts of the immune or lymphatic systems lymph vessels, ducts or nodes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36Image-producing devices or illumination devices not otherwise provided for
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/285Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34084Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017Electrical control of surgical instruments
    • A61B2017/00022Sensing or detecting at the treatment site
    • A61B2017/00039Electric or electromagnetic phenomena other than conductivity, e.g. capacity, inductivity, Hall effect
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017Electrical control of surgical instruments
    • A61B2017/00022Sensing or detecting at the treatment site
    • A61B2017/00039Electric or electromagnetic phenomena other than conductivity, e.g. capacity, inductivity, Hall effect
    • A61B2017/00044Sensing electrocardiography, i.e. ECG
    • A61B2017/00048Spectral analysis
    • A61B2017/00053Mapping
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37Surgical systems with images on a monitor during operation
    • A61B2090/374NMR or MRI
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/4808Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/5601Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent

Abstract

A system, and method for using magnetic resonance imaging to increase the accuracy of electro-physiologic procedures is disclosed. The system in its preferred embodiment provides an invasive combined electro-physiologic, an imaging antenna catheter (1) which includes an RF antenna (3) for receiving MR signals, and diagnostic electrodes (11) for receiving electrical potentials. The combined electrophysiology, and imaging antenna catheter (1) is used in combination with an MR imaging scanner to guide, to provide visualization during electro-physiologic diagnostic or therapeutic procedures.
PCT/US1999/025858 1998-11-04 1999-11-04 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures WO2000025672A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002349235A CA2349235A1 (en) 1998-11-04 1999-11-04 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures
EP99958755A EP1126784B1 (en) 1998-11-04 1999-11-04 System for magnetic-resonance-guided electrophysiologic and ablation procedures
AU16051/00A AU1605100A (en) 1998-11-04 1999-11-04 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures
HK02101346.7A HK1041190A1 (en) 1998-11-04 2002-03-12 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10696598P 1998-11-04 1998-11-04
US60/106,965 1998-11-04
US09/428,990 US6701176B1 (en) 1998-11-04 1999-10-29 Magnetic-resonance-guided imaging, electrophysiology, and ablation
US09/428,990 1999-10-29

Publications (2)

Publication Number Publication Date
WO2000025672A1 WO2000025672A1 (en) 2000-05-11
WO2000025672A8 true WO2000025672A8 (en) 2000-07-27

Family

ID=44513376

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/025858 WO2000025672A1 (en) 1998-11-04 1999-11-04 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures

Country Status (6)

Country Link
US (6) US6701176B1 (en)
EP (2) EP1126784B1 (en)
AU (1) AU1605100A (en)
CA (1) CA2349235A1 (en)
HK (1) HK1041190A1 (en)
WO (1) WO2000025672A1 (en)

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US20080058635A1 (en) 2008-03-06
EP1126784A4 (en) 2009-03-11
CA2349235A1 (en) 2000-05-11
US20120101364A1 (en) 2012-04-26
US7155271B2 (en) 2006-12-26
US9301705B2 (en) 2016-04-05
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US8099151B2 (en) 2012-01-17
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EP1126784B1 (en) 2013-01-16
WO2000025672A1 (en) 2000-05-11
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US6701176B1 (en) 2004-03-02
US20030199755A1 (en) 2003-10-23
AU1605100A (en) 2000-05-22
US7822460B2 (en) 2010-10-26
US7412276B2 (en) 2008-08-12
US20040167392A1 (en) 2004-08-26
US20060100506A1 (en) 2006-05-11

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