JP5172690B2 - 医療装置用の調節可能な静電容量を有する共振器 - Google Patents

医療装置用の調節可能な静電容量を有する共振器 Download PDF

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Publication number
JP5172690B2
JP5172690B2 JP2008540043A JP2008540043A JP5172690B2 JP 5172690 B2 JP5172690 B2 JP 5172690B2 JP 2008540043 A JP2008540043 A JP 2008540043A JP 2008540043 A JP2008540043 A JP 2008540043A JP 5172690 B2 JP5172690 B2 JP 5172690B2
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Prior art keywords
capacitance
resonator
adjustable capacitance
adjustable
circuit
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Expired - Fee Related
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JP2008540043A
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JP2009514639A (ja
JP2009514639A5 (enExample
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ショイエルマン，トルステン
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Boston Scientific Ltd Barbados
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Boston Scientific Ltd Barbados
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    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/285—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR
    • G01R33/286—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR involving passive visualization of interventional instruments, i.e. making the instrument visible as part of the normal MR process
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • External Artificial Organs (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)
JP2008540043A 2005-11-09 2006-10-27 医療装置用の調節可能な静電容量を有する共振器 Expired - Fee Related JP5172690B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/270,417 US7423496B2 (en) 2005-11-09 2005-11-09 Resonator with adjustable capacitance for medical device
US11/270,417 2005-11-09
PCT/US2006/041736 WO2007055914A1 (en) 2005-11-09 2006-10-27 Resonator with adjustable capacitance for medical device

Publications (3)

Publication Number Publication Date
JP2009514639A JP2009514639A (ja) 2009-04-09
JP2009514639A5 JP2009514639A5 (enExample) 2009-12-17
JP5172690B2 true JP5172690B2 (ja) 2013-03-27

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JP2008540043A Expired - Fee Related JP5172690B2 (ja) 2005-11-09 2006-10-27 医療装置用の調節可能な静電容量を有する共振器

Country Status (5)

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US (2) US7423496B2 (enExample)
EP (1) EP1946136B1 (enExample)
JP (1) JP5172690B2 (enExample)
CA (1) CA2629054A1 (enExample)
WO (1) WO2007055914A1 (enExample)

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EP1946136B1 (en) 2013-05-22
CA2629054A1 (en) 2007-05-18
JP2009514639A (ja) 2009-04-09
US20070106151A1 (en) 2007-05-10
US8046048B2 (en) 2011-10-25
WO2007055914A1 (en) 2007-05-18
EP1946136A1 (en) 2008-07-23
US7423496B2 (en) 2008-09-09
US20080290958A1 (en) 2008-11-27

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