WO2006103665A3 - Electromagnetic sensors for tissue characterization - Google Patents

Electromagnetic sensors for tissue characterization Download PDF

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Publication number
WO2006103665A3
WO2006103665A3 PCT/IL2006/000392 IL2006000392W WO2006103665A3 WO 2006103665 A3 WO2006103665 A3 WO 2006103665A3 IL 2006000392 W IL2006000392 W IL 2006000392W WO 2006103665 A3 WO2006103665 A3 WO 2006103665A3
Authority
WO
WIPO (PCT)
Prior art keywords
tissue
resonator
near zone
lambda
diameter
Prior art date
Application number
PCT/IL2006/000392
Other languages
French (fr)
Other versions
WO2006103665A2 (en
WO2006103665A9 (en
Inventor
Dan Hashimshony
Gil Cohen
Iddo Geltner
Original Assignee
Dune Medical Devices Ltd
Dan Hashimshony
Gil Cohen
Iddo Geltner
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
Priority to CN2006800190264A priority Critical patent/CN101184435B/en
Priority to JP2008503679A priority patent/JP5308812B2/en
Priority to CA2603025A priority patent/CA2603025C/en
Priority to US11/887,571 priority patent/US7899515B2/en
Priority to EP06728196.4A priority patent/EP1890596B1/en
Priority to ES06728196T priority patent/ES2434851T3/en
Application filed by Dune Medical Devices Ltd, Dan Hashimshony, Gil Cohen, Iddo Geltner filed Critical Dune Medical Devices Ltd
Publication of WO2006103665A2 publication Critical patent/WO2006103665A2/en
Publication of WO2006103665A9 publication Critical patent/WO2006103665A9/en
Priority to US11/705,143 priority patent/US8019411B2/en
Priority to US11/797,167 priority patent/US8032211B2/en
Priority to US11/797,166 priority patent/US20080287750A1/en
Publication of WO2006103665A3 publication Critical patent/WO2006103665A3/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
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2617—Measuring dielectric properties, e.g. constants
    • G01R27/2635—Sample holders, electrodes or excitation arrangements, e.g. sensors or measuring cells
    • G01R27/2658—Cavities, resonators, free space arrangements, reflexion or interference arrangements
    • G01R27/2664—Transmission line, wave guide (closed or open-ended) or strip - or microstrip line arrangements

Abstract

A sensor for tissue characterization is provided, comprising: a resonator, configured to be placed proximally to an edge of a tissue for characterization, without penetrating the tissue, the resonator comprising a conductive structure associated with a diameter-equivalent dimension D, in a plane substantially parallel with the edge, and with a feature size d; and at least one conductive lead, for providing communication with an external system, wherein the resonator is configured to resonate at a frequency which corresponds to a free-air wavelength range of between about lambda and about 40lambda, wherein lambda is at least about ten times the diameter-equivalent D, and wherein upon receiving a signal in the range of between about lambda and about 40lambda, the sensor is configured to induce electric and magnetic fields, in a near zone, in the tissue, the near zone having a diameter of about D, so that the tissue in the near zone effectively functions as part of the resonator, influencing its resonating values, and so the tissue in the near zone is thereby characterized by its electromagnetic properties, by the resonating response of the resonator.
PCT/IL2006/000392 2002-01-04 2006-03-29 Electromagnetic sensors for tissue characterization WO2006103665A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2008503679A JP5308812B2 (en) 2005-03-29 2006-03-29 Electromagnetic sensors for tissue characterization.
CA2603025A CA2603025C (en) 2005-03-29 2006-03-29 Electromagnetic sensors for tissue characterization
US11/887,571 US7899515B2 (en) 2005-03-29 2006-03-29 Electromagnetic sensors for tissue characterization
EP06728196.4A EP1890596B1 (en) 2005-03-29 2006-03-29 Electromagnetic sensors for tissue characterization
ES06728196T ES2434851T3 (en) 2005-03-29 2006-03-29 Electromagnetic sensors for tissue characterization
CN2006800190264A CN101184435B (en) 2005-03-29 2006-03-29 Electromagnetic sensors for tissue characterization
US11/705,143 US8019411B2 (en) 2002-01-04 2007-02-12 Probes, systems, and methods for examining tissue according to the dielectric properties thereof
US11/797,167 US8032211B2 (en) 2002-01-04 2007-05-01 Probes, systems, and methods for examining tissue according to the dielectric properties thereof
US11/797,166 US20080287750A1 (en) 2002-01-04 2007-05-01 Ergonomic probes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66584205P 2005-03-29 2005-03-29
US60/665,842 2005-03-29

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
PCT/IL2006/000015 Continuation-In-Part WO2006072947A2 (en) 2002-01-04 2006-01-04 Endoscopic system for in-vivo procedures
US11/567,581 Continuation-In-Part US7471103B2 (en) 2006-12-06 2006-12-06 Method for implementing complex logic within a memory array

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US10/035,428 Continuation-In-Part US6813515B2 (en) 2002-01-04 2002-01-04 Method and system for examining tissue according to the dielectric properties thereof
US11/705,143 Continuation-In-Part US8019411B2 (en) 2002-01-04 2007-02-12 Probes, systems, and methods for examining tissue according to the dielectric properties thereof
US11/797,167 Continuation-In-Part US8032211B2 (en) 2002-01-04 2007-05-01 Probes, systems, and methods for examining tissue according to the dielectric properties thereof

Publications (3)

Publication Number Publication Date
WO2006103665A2 WO2006103665A2 (en) 2006-10-05
WO2006103665A9 WO2006103665A9 (en) 2006-12-14
WO2006103665A3 true WO2006103665A3 (en) 2007-07-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2006/000392 WO2006103665A2 (en) 2002-01-04 2006-03-29 Electromagnetic sensors for tissue characterization

Country Status (7)

Country Link
US (1) US7899515B2 (en)
EP (1) EP1890596B1 (en)
JP (1) JP5308812B2 (en)
CN (2) CN101184435B (en)
CA (1) CA2603025C (en)
ES (1) ES2434851T3 (en)
WO (1) WO2006103665A2 (en)

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ES2434851T3 (en) 2013-12-17
CN101184435A (en) 2008-05-21
CA2603025A1 (en) 2006-10-05
EP1890596A2 (en) 2008-02-27
JP5308812B2 (en) 2013-10-09
CN101184435B (en) 2010-12-15
EP1890596A4 (en) 2009-07-08
US20090062637A1 (en) 2009-03-05
JP2009501898A (en) 2009-01-22
EP1890596B1 (en) 2013-10-02
CN101991415B (en) 2013-04-10
CN101991415A (en) 2011-03-30
WO2006103665A2 (en) 2006-10-05
US7899515B2 (en) 2011-03-01
CA2603025C (en) 2014-05-20
WO2006103665A9 (en) 2006-12-14

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