CA2629054A1 - Resonator with adjustable capacitance for medical device - Google Patents

Resonator with adjustable capacitance for medical device Download PDF

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Publication number
CA2629054A1
CA2629054A1 CA002629054A CA2629054A CA2629054A1 CA 2629054 A1 CA2629054 A1 CA 2629054A1 CA 002629054 A CA002629054 A CA 002629054A CA 2629054 A CA2629054 A CA 2629054A CA 2629054 A1 CA2629054 A1 CA 2629054A1
Authority
CA
Canada
Prior art keywords
capacitance
resonator
adjustable
adjustable capacitance
resonator circuit
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.)
Abandoned
Application number
CA002629054A
Other languages
English (en)
French (fr)
Inventor
Torsten Scheuermann
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.)
Boston Scientific Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2629054A1 publication Critical patent/CA2629054A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • 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)
CA002629054A 2005-11-09 2006-10-27 Resonator with adjustable capacitance for medical device Abandoned CA2629054A1 (en)

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 (1)

Publication Number Publication Date
CA2629054A1 true CA2629054A1 (en) 2007-05-18

Family

ID=37708255

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002629054A Abandoned CA2629054A1 (en) 2005-11-09 2006-10-27 Resonator with adjustable capacitance for medical device

Country Status (5)

Country Link
US (2) US7423496B2 (https=)
EP (1) EP1946136B1 (https=)
JP (1) JP5172690B2 (https=)
CA (1) CA2629054A1 (https=)
WO (1) WO2007055914A1 (https=)

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US11701018B2 (en) 2016-08-11 2023-07-18 Foundry Innovation & Research 1, Ltd. Wireless resonant circuit and variable inductance vascular monitoring implants and anchoring structures therefore
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WO2018220146A1 (en) 2017-05-31 2018-12-06 Foundry Innovation & Research 1, Ltd. Implantable sensors for vascular monitoring
WO2018220143A1 (en) 2017-05-31 2018-12-06 Foundry Innovation And Research 1, Ltd Implantable ultrasonic vascular sensor
KR102493481B1 (ko) * 2020-06-25 2023-01-31 아주대학교산학협력단 의료기기용 확장부재의 측정 시스템 및 그 방법
WO2024023791A1 (en) 2022-07-29 2024-02-01 Foundry Innovation & Research 1, Ltd. Multistranded conductors adapted to dynamic in vivo environments

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Also Published As

Publication number Publication date
US7423496B2 (en) 2008-09-09
EP1946136B1 (en) 2013-05-22
US20080290958A1 (en) 2008-11-27
JP2009514639A (ja) 2009-04-09
US8046048B2 (en) 2011-10-25
JP5172690B2 (ja) 2013-03-27
WO2007055914A1 (en) 2007-05-18
US20070106151A1 (en) 2007-05-10
EP1946136A1 (en) 2008-07-23

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