AU2001234502A1 - Flexible fiber optic microbend device, sensors, and method of use - Google Patents

Flexible fiber optic microbend device, sensors, and method of use

Info

Publication number
AU2001234502A1
AU2001234502A1 AU2001234502A AU3450201A AU2001234502A1 AU 2001234502 A1 AU2001234502 A1 AU 2001234502A1 AU 2001234502 A AU2001234502 A AU 2001234502A AU 3450201 A AU3450201 A AU 3450201A AU 2001234502 A1 AU2001234502 A1 AU 2001234502A1
Authority
AU
Australia
Prior art keywords
sensors
fiber optic
flexible
flexible fiber
microbend device
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
AU2001234502A
Inventor
Mark E. Jones
Scott A. Meller
Kent A. Murphy
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.)
Stowe Woodward LLC
Original Assignee
Stowe Woodward LLC
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 Stowe Woodward LLC filed Critical Stowe Woodward LLC
Publication of AU2001234502A1 publication Critical patent/AU2001234502A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/3628Mechanical coupling means for mounting fibres to supporting carriers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/24Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/243Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis
    • G01L1/245Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis using microbending
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/14Mode converters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/264Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator

Abstract

A flexible microbend device for attachment to an optical fiber is provided. The device comprises an upper bending element grid having at least one flexible element and a lower bending element grid having at least one flexible element. The upper bending element grid alternately engages the lower bending element grid. The flexible microbend device is attached to an optical fiber to form a sensor. The sensor may be either embedded in a host material or attached to a structure to detect various stresses or strains.
AU2001234502A 2000-01-21 2001-01-19 Flexible fiber optic microbend device, sensors, and method of use Abandoned AU2001234502A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/489,768 US6429421B1 (en) 2000-01-21 2000-01-21 Flexible fiber optic microbend device, with interlocking flexible fibers, sensors, and method use
US09489768 2000-01-21
PCT/US2001/002013 WO2001053787A1 (en) 2000-01-21 2001-01-19 Flexible fiber optic microbend device, sensors, and method of use

Publications (1)

Publication Number Publication Date
AU2001234502A1 true AU2001234502A1 (en) 2001-07-31

Family

ID=23945184

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001234502A Abandoned AU2001234502A1 (en) 2000-01-21 2001-01-19 Flexible fiber optic microbend device, sensors, and method of use

Country Status (13)

Country Link
US (1) US6429421B1 (en)
EP (1) EP1254354B1 (en)
JP (1) JP2003520956A (en)
KR (1) KR20020073479A (en)
CN (1) CN1395680A (en)
AT (1) ATE329237T1 (en)
AU (1) AU2001234502A1 (en)
BR (1) BR0107143A (en)
CA (1) CA2386348A1 (en)
DE (1) DE60120358T2 (en)
MX (1) MXPA02003824A (en)
NO (1) NO325411B1 (en)
WO (1) WO2001053787A1 (en)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6621948B1 (en) * 2002-06-04 2003-09-16 Raytheon Company Apparatus and method for differential output optical fiber displacement sensing
US6981935B2 (en) * 2002-09-12 2006-01-03 Stowe Woodward, L.L.C. Suction roll with sensors for detecting temperature and/or pressure
DE10251085B4 (en) * 2002-10-29 2004-12-09 Decoma (Germany) Gmbh Multi-layer sensor
US6983096B2 (en) * 2003-04-15 2006-01-03 Intel Corporation Attenuation of cladding modes in optical fibers
US6874232B2 (en) 2003-05-21 2005-04-05 Stowe Woodward, Llc Method for forming cover for industrial roll
JP4568145B2 (en) * 2005-03-08 2010-10-27 日立電線株式会社 Shock detecting optical fiber sensor, load concentrating plate and manufacturing method thereof
US7572214B2 (en) 2005-05-04 2009-08-11 Stowe Woodward L.L.C. Suction roll with sensors for detecting operational parameters having apertures
CN100360905C (en) * 2005-09-29 2008-01-09 上海交通大学 Optical fiber micro-bending displacement sensor
US10287731B2 (en) 2005-11-08 2019-05-14 Stowe Woodward Licensco Llc Abrasion-resistant rubber roll cover with polyurethane coating
US9867530B2 (en) 2006-08-14 2018-01-16 Volcano Corporation Telescopic side port catheter device with imaging system and method for accessing side branch occlusions
JP5524835B2 (en) 2007-07-12 2014-06-18 ヴォルカノ コーポレイション In vivo imaging catheter
WO2009009802A1 (en) 2007-07-12 2009-01-15 Volcano Corporation Oct-ivus catheter for concurrent luminal imaging
US9596993B2 (en) 2007-07-12 2017-03-21 Volcano Corporation Automatic calibration systems and methods of use
US9097595B2 (en) 2008-11-14 2015-08-04 Stowe Woodward, L.L.C. System and method for detecting and measuring vibration in an industrial roll
US8346501B2 (en) 2009-06-22 2013-01-01 Stowe Woodward, L.L.C. Industrial roll with sensors arranged to self-identify angular location
US8236141B2 (en) 2009-06-23 2012-08-07 Stowe Woodward, L.L.C. Industrial roll with sensors having conformable conductive sheets
US10555691B2 (en) 2009-08-06 2020-02-11 Agency For Science Technology And Research Vital signs detecting device and a method for detecting vital signs
US8475347B2 (en) 2010-06-04 2013-07-02 Stowe Woodward Licensco, Llc Industrial roll with multiple sensor arrays
US11141063B2 (en) 2010-12-23 2021-10-12 Philips Image Guided Therapy Corporation Integrated system architectures and methods of use
US11040140B2 (en) 2010-12-31 2021-06-22 Philips Image Guided Therapy Corporation Deep vein thrombosis therapeutic methods
WO2013033592A1 (en) 2011-08-31 2013-03-07 Volcano Corporation Optical-electrical rotary joint and methods of use
EP2804975B1 (en) 2012-01-17 2015-11-18 Stowe Woodward Licensco, LLC System and method of determining the angular position of a rotating roll
US9588582B2 (en) 2013-09-17 2017-03-07 Medibotics Llc Motion recognition clothing (TM) with two different sets of tubes spanning a body joint
US10321873B2 (en) 2013-09-17 2019-06-18 Medibotics Llc Smart clothing for ambulatory human motion capture
US10602965B2 (en) 2013-09-17 2020-03-31 Medibotics Wearable deformable conductive sensors for human motion capture including trans-joint pitch, yaw, and roll
US9582072B2 (en) 2013-09-17 2017-02-28 Medibotics Llc Motion recognition clothing [TM] with flexible electromagnetic, light, or sonic energy pathways
US10716510B2 (en) 2013-09-17 2020-07-21 Medibotics Smart clothing with converging/diverging bend or stretch sensors for measuring body motion or configuration
US9307926B2 (en) 2012-10-05 2016-04-12 Volcano Corporation Automatic stent detection
US9367965B2 (en) 2012-10-05 2016-06-14 Volcano Corporation Systems and methods for generating images of tissue
US9292918B2 (en) 2012-10-05 2016-03-22 Volcano Corporation Methods and systems for transforming luminal images
US9286673B2 (en) 2012-10-05 2016-03-15 Volcano Corporation Systems for correcting distortions in a medical image and methods of use thereof
JP2015532536A (en) 2012-10-05 2015-11-09 デイビッド ウェルフォード, System and method for amplifying light
US10070827B2 (en) 2012-10-05 2018-09-11 Volcano Corporation Automatic image playback
US9858668B2 (en) 2012-10-05 2018-01-02 Volcano Corporation Guidewire artifact removal in images
US9324141B2 (en) 2012-10-05 2016-04-26 Volcano Corporation Removal of A-scan streaking artifact
US11272845B2 (en) 2012-10-05 2022-03-15 Philips Image Guided Therapy Corporation System and method for instant and automatic border detection
US10568586B2 (en) 2012-10-05 2020-02-25 Volcano Corporation Systems for indicating parameters in an imaging data set and methods of use
US9840734B2 (en) 2012-10-22 2017-12-12 Raindance Technologies, Inc. Methods for analyzing DNA
WO2014093374A1 (en) 2012-12-13 2014-06-19 Volcano Corporation Devices, systems, and methods for targeted cannulation
US10942022B2 (en) 2012-12-20 2021-03-09 Philips Image Guided Therapy Corporation Manual calibration of imaging system
EP2934310A4 (en) 2012-12-20 2016-10-12 Nathaniel J Kemp Optical coherence tomography system that is reconfigurable between different imaging modes
CA2895502A1 (en) 2012-12-20 2014-06-26 Jeremy Stigall Smooth transition catheters
US10939826B2 (en) 2012-12-20 2021-03-09 Philips Image Guided Therapy Corporation Aspirating and removing biological material
US11406498B2 (en) 2012-12-20 2022-08-09 Philips Image Guided Therapy Corporation Implant delivery system and implants
JP2016506276A (en) 2012-12-20 2016-03-03 ジェレミー スティガール, Locate the intravascular image
CA2895940A1 (en) 2012-12-21 2014-06-26 Andrew Hancock System and method for multipath processing of image signals
US10058284B2 (en) 2012-12-21 2018-08-28 Volcano Corporation Simultaneous imaging, monitoring, and therapy
US9486143B2 (en) 2012-12-21 2016-11-08 Volcano Corporation Intravascular forward imaging device
US10191220B2 (en) 2012-12-21 2019-01-29 Volcano Corporation Power-efficient optical circuit
US9383263B2 (en) 2012-12-21 2016-07-05 Volcano Corporation Systems and methods for narrowing a wavelength emission of light
US9612105B2 (en) 2012-12-21 2017-04-04 Volcano Corporation Polarization sensitive optical coherence tomography system
EP2936426B1 (en) 2012-12-21 2021-10-13 Jason Spencer System and method for graphical processing of medical data
WO2014099760A1 (en) 2012-12-21 2014-06-26 Mai Jerome Ultrasound imaging with variable line density
US10413317B2 (en) 2012-12-21 2019-09-17 Volcano Corporation System and method for catheter steering and operation
US10993694B2 (en) 2012-12-21 2021-05-04 Philips Image Guided Therapy Corporation Rotational ultrasound imaging catheter with extended catheter body telescope
US10226597B2 (en) 2013-03-07 2019-03-12 Volcano Corporation Guidewire with centering mechanism
WO2014138555A1 (en) 2013-03-07 2014-09-12 Bernhard Sturm Multimodal segmentation in intravascular images
US10638939B2 (en) 2013-03-12 2020-05-05 Philips Image Guided Therapy Corporation Systems and methods for diagnosing coronary microvascular disease
US11154313B2 (en) 2013-03-12 2021-10-26 The Volcano Corporation Vibrating guidewire torquer and methods of use
US9301687B2 (en) 2013-03-13 2016-04-05 Volcano Corporation System and method for OCT depth calibration
EP2967488B1 (en) 2013-03-13 2021-06-16 Jinhyoung Park System for producing an image from a rotational intravascular ultrasound device
US11026591B2 (en) 2013-03-13 2021-06-08 Philips Image Guided Therapy Corporation Intravascular pressure sensor calibration
WO2014152365A2 (en) 2013-03-14 2014-09-25 Volcano Corporation Filters with echogenic characteristics
US10219887B2 (en) 2013-03-14 2019-03-05 Volcano Corporation Filters with echogenic characteristics
US10292677B2 (en) 2013-03-14 2019-05-21 Volcano Corporation Endoluminal filter having enhanced echogenic properties
JP6134436B2 (en) 2013-04-19 2017-05-24 ストウ・ウッドワード・ライセンスコ,リミテッド・ライアビリティ・カンパニー Method and system for determining the rotational position of an industrial roll
CN103852089B (en) * 2014-03-29 2017-02-15 吉林大学 Plastic optical fiber sensor with multi-tapered hole bent structure
CN104034456B (en) * 2014-04-15 2016-04-13 南昌大学 The optical fiber macrobend anamorphoser of adjustable bending radius
CN104019928B (en) * 2014-06-24 2015-12-30 黑龙江工程学院 Seriation cushion layer structure optical fiber micro-bending sensor
US9650744B2 (en) 2014-09-12 2017-05-16 Stowe Woodward Licensco Llc Suction roll with sensors for detecting operational parameters
WO2017055620A1 (en) * 2015-10-02 2017-04-06 Koninklijke Philips N.V. Hub for device navigation with optical shape sensed guidewire
JP6810169B2 (en) 2016-04-26 2021-01-06 ストウ・ウッドワード・ライセンスコ,リミテッド・ライアビリティ・カンパニー Suction roll with through-hole and blind drill hole patterns to improve land distance
GB2567610B (en) * 2017-03-21 2021-07-21 Nuron Ltd Optical fibre pressure sensing apparatus employing longitudinal diaphragm
US10837804B2 (en) 2018-06-28 2020-11-17 Corning Incorporated Enhanced microbend sensor
CN110652054B (en) * 2018-06-29 2021-07-02 深圳市掌网科技股份有限公司 Joint protector, joint protector control system and method
CN109405761A (en) * 2018-11-14 2019-03-01 深圳市迈步机器人科技有限公司 Fibre optical sensor, deformation detecting device, detection method and data glove

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891302A (en) 1973-09-28 1975-06-24 Western Electric Co Method of filtering modes in optical waveguides
US4342907A (en) 1977-12-12 1982-08-03 Pedro B. Macedo Optical sensing apparatus and method
US4443700A (en) 1980-02-01 1984-04-17 Pedro B. Macedo Optical sensing apparatus and method
US4927232A (en) 1985-03-18 1990-05-22 G2 Systems Corporation Structural monitoring system using fiber optics
US4421979A (en) 1981-08-27 1983-12-20 Trw Inc. Microbending of optical fibers for remote force measurement
US4459477A (en) 1981-08-27 1984-07-10 Trw Inc. Microbending of optical fibers for remote force measurement
US4449210A (en) 1981-12-21 1984-05-15 Hughes Aircraft Company Fiber optic hydrophone transducers
US4530078A (en) 1982-06-11 1985-07-16 Nicholas Lagakos Microbending fiber optic acoustic sensor
US4488040A (en) 1982-11-19 1984-12-11 Gte Products Corporation Fiber optic sensor
GB2155621B (en) 1984-03-06 1988-01-06 Standard Telephones Cables Ltd Optical fibre sensors
SE443656B (en) 1984-07-20 1986-03-03 Ericsson Telefon Ab L M MICROBOOK LIKE OPTICAL FIBER CABLE
US4678903A (en) 1986-01-27 1987-07-07 General Motors Corporation Self aligning fiber optic microbend sensor
US4871908A (en) 1986-02-03 1989-10-03 The Babcock & Wilcox Company Overload protection for fiber optic microbend sensor
CH666552A5 (en) 1986-03-06 1988-07-29 Suisse Electronique Microtech MICRO-CURVED FIBER OPTIC SENSOR.
US4830461A (en) 1987-01-29 1989-05-16 Bridgestone Corporation Pressure-sensitive sensors
US4891511A (en) 1988-08-31 1990-01-02 The Babcock & Wilcox Co. Fiber optic microbend sensor with braided fibers
FR2637080B1 (en) * 1988-09-27 1990-11-09 Labo Electronique Physique FIBER OPTIC PRESSURE SENSOR
US5013908A (en) 1988-11-28 1991-05-07 Kaman Sciences Corporation Break detection system using optical fibers having unique frequency modulated light
US4924970A (en) 1989-03-09 1990-05-15 Seals William L Ladder apparatus
US4932263A (en) 1989-06-26 1990-06-12 General Motors Corporation Temperature compensated fiber optic pressure sensor
US4932262A (en) 1989-06-26 1990-06-12 General Motors Corporation Miniature fiber optic pressure sensor
US5118931A (en) 1990-09-07 1992-06-02 Mcdonnell Douglas Corporation Fiber optic microbending sensor arrays including microbend sensors sensitive over different bands of wavelengths of light
US5196694A (en) * 1991-05-13 1993-03-23 The Babcock & Wilcox Company Temperature compensated self-referenced fiber optic microbend pressure transducer
US5193129A (en) 1991-09-27 1993-03-09 Rockwell International Corporation Pressure sensor utilizing microbending of a fiber optic cable woven through a ladder shaped structure
FR2686707B1 (en) 1992-01-29 1994-03-18 Alcatel Cable PROCESS FOR OBTAINING A PRE-STRESSED FIBER OPTIC SENSOR AND DEVICE FOR IMPLEMENTING SAME.
FR2689234B1 (en) 1992-03-26 1994-07-01 Opto Ind IMPROVED FIBER OPTIC PRESSURE SENSOR.
US5260566A (en) 1992-06-12 1993-11-09 The Babcock & Wilcox Company Self-powered fiber optic microbend sensors
US5421195A (en) 1993-07-01 1995-06-06 Wlodarczyk; Marek T. Fiber optic microbend sensor for engine knock and misfire detection
US5419636A (en) 1993-08-12 1995-05-30 Sandia Corporation Microbend fiber-optic temperature sensor
US5714680A (en) 1993-11-04 1998-02-03 The Texas A&M University System Method and apparatus for measuring pressure with fiber optics
US5411566A (en) 1994-06-08 1995-05-02 At&T Corp. Optical fiber spatial mode converter using periodic core deformation
US5592875A (en) 1994-09-16 1997-01-14 Stowe Woodward Licensco, Inc. Roll having means for determining pressure distribution
US5562027A (en) 1995-02-16 1996-10-08 Stowe Woodward Licensco, Inc. Dynamic nip pressure and temperature sensing system
FR2733591B1 (en) * 1995-04-26 1997-06-13 Honeywell PRESSURE SENSITIVE OPTICAL DEVICE AND PRESENCE DETECTION FLOOR
US5600125A (en) 1995-05-16 1997-02-04 Poorman; Thomas J. Compensation and status monitoring devices for fiber optic intensity-modulated sensors
US5694497A (en) 1995-06-19 1997-12-02 The United States Of America As Represented By The Secretary Of The Navy Intrinsically self deforming fiber optic microbend pressure and strain sensor
DE19534260C2 (en) * 1995-09-15 2002-07-04 Friedrich Motzko Rope-shaped fiber optic load sensor
US5684912A (en) * 1995-10-18 1997-11-04 Fico, Inc. Optical fiber signal attenuator
US5913245A (en) * 1997-07-07 1999-06-15 Grossman; Barry G. Flexible optical fiber sensor tapes, systems and methods
FR2769379B1 (en) * 1997-10-03 2000-02-11 France Telecom DEVICE FOR THE OPERATION AND MAINTENANCE OF FIBER OPTIC NETWORKS

Also Published As

Publication number Publication date
CN1395680A (en) 2003-02-05
KR20020073479A (en) 2002-09-26
BR0107143A (en) 2002-07-02
MXPA02003824A (en) 2003-09-25
WO2001053787A1 (en) 2001-07-26
NO20021655D0 (en) 2002-04-08
US6429421B1 (en) 2002-08-06
DE60120358T2 (en) 2006-10-12
CA2386348A1 (en) 2001-07-26
EP1254354A1 (en) 2002-11-06
EP1254354B1 (en) 2006-06-07
NO325411B1 (en) 2008-04-21
NO20021655L (en) 2002-07-19
ATE329237T1 (en) 2006-06-15
JP2003520956A (en) 2003-07-08
DE60120358D1 (en) 2006-07-20

Similar Documents

Publication Publication Date Title
AU2001234502A1 (en) Flexible fiber optic microbend device, sensors, and method of use
AU8925198A (en) High sensitivity fiber optic pressure sensor for use in harsh environments
NO20000500D0 (en) Self-calibrating fiber optic pressure, strain and temperature sensors
WO2002019898A3 (en) Multi-parameter fiber optic probes
WO2002057805A3 (en) Method and system for monitoring smart structures utilizing distributed optical sensors
AU2001238044A1 (en) Methods and apparatus for measuring differential pressure with fiber optic sensor systems
NO20035355L (en) Optical pressure sensor device with creep-resistant optical fiber fasteners
CA2525065A1 (en) Wellbores utilizing fiber optic-based sensors and operating devices
NO20023820D0 (en) Fiber optic sensor system
EP0357253A3 (en) Fibre optic sensor
GB9907644D0 (en) Surface sensing device with optical sensor
DE69829647D1 (en) FIBER OPTIC MULTI-PARAMETER SENSOR FOR USE IN HARSH ENVIRONMENTS
DE69814568D1 (en) BOURDON PRESSURE GAUGE WITH INTEGRATED OPTICAL EXPANSION SENSORS FOR MEASURING TENSION OR PRESSURE STRETCHES
FR2840685B1 (en) OPTICAL FIBER PRESSURE SENSOR
EP1672351A3 (en) Modular sensor for damage detection, manufacturing method and structural composite material
DE69733279D1 (en) FUEL INJECTION UNITS WITH INTEGRATED FIBER OPTICAL PRESSURE SENSORS AND COMPENSATING AND MONITORING DEVICES THEREFOR
AU2002218643A1 (en) Fiber optic force sensor
DE69625404D1 (en) Micromechanical pressure sensor with extended measuring range
AU2089595A (en) Fiber optical strain sensor and the manufacture thereof
ATE282358T1 (en) MEDICAL IMPLANT SYSTEM
AU4529700A (en) Fiber optic curvature sensor
AU5804199A (en) Seismic sensing and acoustic logging systems using optical fiber, transducers and sensors
EP0393956A3 (en) Optical fibre sensors
DE60035118D1 (en) FIBER OPTIC SEISMIC SENSOR
DE59703692D1 (en) ANCHORING DEVICE WITH ELASTIC MEASUREMENT