DE69434170D1 - Mittels kernspinresonanz ueberwachtes waermechirurgiesystem - Google Patents

Mittels kernspinresonanz ueberwachtes waermechirurgiesystem

Info

Publication number
DE69434170D1
DE69434170D1 DE1994634170 DE69434170T DE69434170D1 DE 69434170 D1 DE69434170 D1 DE 69434170D1 DE 1994634170 DE1994634170 DE 1994634170 DE 69434170 T DE69434170 T DE 69434170T DE 69434170 D1 DE69434170 D1 DE 69434170D1
Authority
DE
Germany
Prior art keywords
supervised
monitoring system
magnetic resonance
nuclear magnetic
thermal monitoring
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE1994634170
Other languages
English (en)
Other versions
DE69434170T2 (de
Inventor
Judson Hardy
Hellis Cline
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Insightec Ltd
Original Assignee
INSIGHTEC IMAGE GUIDED TREAT
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 INSIGHTEC IMAGE GUIDED TREAT filed Critical INSIGHTEC IMAGE GUIDED TREAT
Publication of DE69434170D1 publication Critical patent/DE69434170D1/de
Application granted granted Critical
Publication of DE69434170T2 publication Critical patent/DE69434170T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N7/02—Localised ultrasound hyperthermia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B18/24—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4804—Spatially selective measurement of temperature or pH
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/374—NMR or MRI
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
DE69434170T 1993-03-26 1994-03-04 Mittels kernspinresonanz ueberwachtes waermechirurgiesystem Expired - Lifetime DE69434170T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38204 1993-03-26
US08/038,204 US5307812A (en) 1993-03-26 1993-03-26 Heat surgery system monitored by real-time magnetic resonance profiling
PCT/US1994/002367 WO1994023308A1 (en) 1993-03-26 1994-03-04 Heat surgery system monitored by real-time magnetic resonance profiling

Publications (2)

Publication Number Publication Date
DE69434170D1 true DE69434170D1 (de) 2005-01-13
DE69434170T2 DE69434170T2 (de) 2005-12-15

Family

ID=21898641

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69434170T Expired - Lifetime DE69434170T2 (de) 1993-03-26 1994-03-04 Mittels kernspinresonanz ueberwachtes waermechirurgiesystem

Country Status (5)

Country Link
US (3) US5307812A (de)
EP (1) EP0648339B1 (de)
JP (1) JPH07507708A (de)
DE (1) DE69434170T2 (de)
WO (1) WO1994023308A1 (de)

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EP0648339B1 (de) 2004-12-08
WO1994023308A1 (en) 1994-10-13
US5307812A (en) 1994-05-03
US5327884A (en) 1994-07-12
US5323779A (en) 1994-06-28
JPH07507708A (ja) 1995-08-31
DE69434170T2 (de) 2005-12-15
EP0648339A1 (de) 1995-04-19

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