DE69435314D1 - Verfahren zur Herstellung eines Ultraschallkatheters - Google Patents

Verfahren zur Herstellung eines Ultraschallkatheters

Info

Publication number
DE69435314D1
DE69435314D1 DE69435314T DE69435314T DE69435314D1 DE 69435314 D1 DE69435314 D1 DE 69435314D1 DE 69435314 T DE69435314 T DE 69435314T DE 69435314 T DE69435314 T DE 69435314T DE 69435314 D1 DE69435314 D1 DE 69435314D1
Authority
DE
Germany
Prior art keywords
separate
ultrasound catheter
electronics
transducer assembly
ultrasound
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
DE69435314T
Other languages
English (en)
Inventor
Michael J Eberle
Gary P Rizzuti
Horst F Kiepen
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.)
Philips Image Guided Therapy Corp
Original Assignee
Volcano Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21754054&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69435314(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Volcano Corp filed Critical Volcano Corp
Application granted granted Critical
Publication of DE69435314D1 publication Critical patent/DE69435314D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/445—Details of catheter construction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4488—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
    • B06B1/0633—Cylindrical array
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/067—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0674—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a low impedance backing, e.g. air
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8979—Combined Doppler and pulse-echo imaging systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/899—Combination of imaging systems with ancillary equipment
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys
    • G10K11/008—Arrays of transducers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/76—Medical, dental
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/892—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being curvilinear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8979—Combined Doppler and pulse-echo imaging systems
    • G01S15/8981—Discriminating between fixed and moving objects or between objects moving at different speeds, e.g. wall clutter filter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Gynecology & Obstetrics (AREA)
  • Multimedia (AREA)
  • Hematology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Surgical Instruments (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
DE69435314T 1993-02-01 1994-01-14 Verfahren zur Herstellung eines Ultraschallkatheters Expired - Lifetime DE69435314D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/012,251 US5368037A (en) 1993-02-01 1993-02-01 Ultrasound catheter

Publications (1)

Publication Number Publication Date
DE69435314D1 true DE69435314D1 (de) 2010-10-28

Family

ID=21754054

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69435314T Expired - Lifetime DE69435314D1 (de) 1993-02-01 1994-01-14 Verfahren zur Herstellung eines Ultraschallkatheters
DE69430490T Expired - Fee Related DE69430490T3 (de) 1993-02-01 1994-01-14 Verfahren zur Herstellung einer Wandleranordnung zur Bilderzeugung
DE69432448T Expired - Fee Related DE69432448T2 (de) 1993-02-01 1994-01-14 Ultraschallkatheter sensor

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69430490T Expired - Fee Related DE69430490T3 (de) 1993-02-01 1994-01-14 Verfahren zur Herstellung einer Wandleranordnung zur Bilderzeugung
DE69432448T Expired - Fee Related DE69432448T2 (de) 1993-02-01 1994-01-14 Ultraschallkatheter sensor

Country Status (7)

Country Link
US (1) US5368037A (de)
EP (3) EP1327417B1 (de)
JP (3) JP3732854B2 (de)
AT (3) ATE216570T1 (de)
CA (2) CA2235947C (de)
DE (3) DE69435314D1 (de)
WO (1) WO1994017734A1 (de)

Families Citing this family (154)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6029671A (en) * 1991-07-16 2000-02-29 Heartport, Inc. System and methods for performing endovascular procedures
US20070016071A1 (en) * 1993-02-01 2007-01-18 Volcano Corporation Ultrasound transducer assembly
US5453575A (en) 1993-02-01 1995-09-26 Endosonics Corporation Apparatus and method for detecting blood flow in intravascular ultrasonic imaging
GB2287375B (en) * 1994-03-11 1998-04-15 Intravascular Res Ltd Ultrasonic transducer array and method of manufacturing the same
US5488954A (en) * 1994-09-09 1996-02-06 Georgia Tech Research Corp. Ultrasonic transducer and method for using same
US5606975A (en) * 1994-09-19 1997-03-04 The Board Of Trustees Of The Leland Stanford Junior University Forward viewing ultrasonic imaging catheter
US8241217B2 (en) 1995-06-29 2012-08-14 Teratech Corporation Portable ultrasound imaging data
US5590658A (en) 1995-06-29 1997-01-07 Teratech Corporation Portable ultrasound imaging system
US7500952B1 (en) 1995-06-29 2009-03-10 Teratech Corporation Portable ultrasound imaging system
US5957846A (en) * 1995-06-29 1999-09-28 Teratech Corporation Portable ultrasound imaging system
US5738100A (en) * 1995-06-30 1998-04-14 Terumo Kabushiki Kaisha Ultrasonic imaging catheter
US7226417B1 (en) 1995-12-26 2007-06-05 Volcano Corporation High resolution intravascular ultrasound transducer assembly having a flexible substrate
US6117083A (en) * 1996-02-21 2000-09-12 The Whitaker Corporation Ultrasound imaging probe assembly
US6030346A (en) * 1996-02-21 2000-02-29 The Whitaker Corporation Ultrasound imaging probe assembly
DE69736549T2 (de) * 1996-02-29 2007-08-23 Acuson Corp., Mountain View System, verfahren und wandler zum ausrichten mehrerer ultraschallbilder
US5733281A (en) * 1996-03-19 1998-03-31 American Ablation Co., Inc. Ultrasound and impedance feedback system for use with electrosurgical instruments
GB2315020A (en) * 1996-07-11 1998-01-21 Intravascular Res Ltd Ultrasonic visualisation catheters
US5830145A (en) 1996-09-20 1998-11-03 Cardiovascular Imaging Systems, Inc. Enhanced accuracy of three-dimensional intraluminal ultrasound (ILUS) image reconstruction
US5857974A (en) * 1997-01-08 1999-01-12 Endosonics Corporation High resolution intravascular ultrasound transducer assembly having a flexible substrate
US5795299A (en) * 1997-01-31 1998-08-18 Acuson Corporation Ultrasonic transducer assembly with extended flexible circuits
US6464645B1 (en) 1997-01-31 2002-10-15 Acuson Corporation Ultrasonic transducer assembly controller
US5846205A (en) * 1997-01-31 1998-12-08 Acuson Corporation Catheter-mounted, phased-array ultrasound transducer with improved imaging
US5797848A (en) * 1997-01-31 1998-08-25 Acuson Corporation Ultrasonic transducer assembly with improved electrical interface
US5938616A (en) * 1997-01-31 1999-08-17 Acuson Corporation Steering mechanism and steering line for a catheter-mounted ultrasonic transducer
US5954654A (en) * 1997-01-31 1999-09-21 Acuson Corporation Steering mechanism and steering line for a catheter-mounted ultrasonic transducer
US5876345A (en) * 1997-02-27 1999-03-02 Acuson Corporation Ultrasonic catheter, system and method for two dimensional imaging or three-dimensional reconstruction
US6045508A (en) * 1997-02-27 2000-04-04 Acuson Corporation Ultrasonic probe, system and method for two-dimensional imaging or three-dimensional reconstruction
US5921931A (en) 1997-04-08 1999-07-13 Endosonics Corporation Method and apparatus for creating a color blood flow image based upon ultrasonic echo signals received by an intravascular ultrasound imaging probe
AT407009B (de) 1997-09-01 2000-11-27 Ali Dr Hassan Kathetereinrichtung zur radioaktiven behandlung von körperhohlräumen
JP3525700B2 (ja) * 1997-09-24 2004-05-10 富士写真光機株式会社 超音波プローブ
US5876344A (en) * 1997-12-09 1999-03-02 Endosonics Corporation Modular imaging/treatment catheter assembly and method
US20050171478A1 (en) * 1998-01-13 2005-08-04 Selmon Matthew R. Catheter system for crossing total occlusions in vasculature
EP1059878B1 (de) * 1998-03-05 2005-11-09 Gil M. Vardi Optisch-akustisch bildgebendes gerät
US6440102B1 (en) 1998-07-23 2002-08-27 Durect Corporation Fluid transfer and diagnostic system for treating the inner ear
US6277077B1 (en) 1998-11-16 2001-08-21 Cardiac Pathways Corporation Catheter including ultrasound transducer with emissions attenuation
US6306097B1 (en) 1999-06-17 2001-10-23 Acuson Corporation Ultrasound imaging catheter guiding assembly with catheter working port
US6423002B1 (en) 1999-06-24 2002-07-23 Acuson Corporation Intra-operative diagnostic ultrasound multiple-array transducer probe and optional surgical tool
US6457365B1 (en) * 2000-02-09 2002-10-01 Endosonics Corporation Method and apparatus for ultrasonic imaging
US20030060731A1 (en) * 2001-01-26 2003-03-27 Fleischhacker Mark G. Non-metallic guide wire
US6589182B1 (en) 2001-02-12 2003-07-08 Acuson Corporation Medical diagnostic ultrasound catheter with first and second tip portions
US7387612B2 (en) * 2001-03-28 2008-06-17 Cybersonics, Inc. Floating probe for ultrasonic transducers
US6689087B2 (en) * 2001-03-28 2004-02-10 Cybersonics, Inc. Floating probe for ultrasonic transducers
US6572547B2 (en) * 2001-07-31 2003-06-03 Koninklijke Philips Electronics N.V. Transesophageal and transnasal, transesophageal ultrasound imaging systems
WO2003047439A2 (en) 2001-12-03 2003-06-12 Ekos Corporation Catheter with multiple ultrasound radiating members
US20040054287A1 (en) * 2002-08-29 2004-03-18 Stephens Douglas Neil Ultrasonic imaging devices and methods of fabrication
US6712767B2 (en) * 2002-08-29 2004-03-30 Volcano Therapeutics, Inc. Ultrasonic imaging devices and methods of fabrication
US7245789B2 (en) 2002-10-07 2007-07-17 Vascular Imaging Corporation Systems and methods for minimally-invasive optical-acoustic imaging
US7527591B2 (en) * 2003-11-21 2009-05-05 General Electric Company Ultrasound probe distributed beamformer
US7527592B2 (en) * 2003-11-21 2009-05-05 General Electric Company Ultrasound probe sub-aperture processing
US20050113698A1 (en) * 2003-11-21 2005-05-26 Kjell Kristoffersen Ultrasound probe transceiver circuitry
CN1998095B (zh) 2004-04-20 2010-11-03 视声公司 阵列式超声换能器
EP1762182B1 (de) 2004-06-10 2011-08-03 Olympus Corporation Ultraschallsonde vom elektrostatischen kapazitätstyp
CN1997913A (zh) * 2004-06-29 2007-07-11 皇家飞利浦电子股份有限公司 用于医学超声诊断的方法和设备
EP1621135B1 (de) * 2004-07-29 2006-11-29 Fujinon Corporation Ultraschall-Endoskop
US20070005011A1 (en) * 2005-06-20 2007-01-04 Boston Scientific Scimed, Inc. Method, system, apparatus, and kit for remote therapeutic delivery
JP5630958B2 (ja) 2005-11-02 2014-11-26 ビジュアルソニックス インコーポレイテッド 高周波数アレイ超音波システム
US7887488B2 (en) * 2005-11-12 2011-02-15 Scimed Life Systems, Inc. Systems and methods for reducing noise in an imaging catheter system
US7599588B2 (en) 2005-11-22 2009-10-06 Vascular Imaging Corporation Optical imaging probe connector
US8303505B2 (en) 2005-12-02 2012-11-06 Abbott Cardiovascular Systems Inc. Methods and apparatuses for image guided medical procedures
WO2007115307A2 (en) * 2006-04-04 2007-10-11 Volcano Corporation Ultrasound catheter and hand-held device for manipulating a transducer on the catheter's distal end
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
US10182833B2 (en) 2007-01-08 2019-01-22 Ekos Corporation Power parameters for ultrasonic catheter
EP2170181B1 (de) 2007-06-22 2014-04-16 Ekos Corporation Verfahren und gerät zur behandlung von intrakraniellen blutungen
US9596993B2 (en) 2007-07-12 2017-03-21 Volcano Corporation Automatic calibration systems and methods of use
US10219780B2 (en) 2007-07-12 2019-03-05 Volcano Corporation OCT-IVUS catheter for concurrent luminal imaging
JP5524835B2 (ja) 2007-07-12 2014-06-18 ヴォルカノ コーポレイション 生体内撮像用カテーテル
US20090183350A1 (en) * 2008-01-17 2009-07-23 Wetsco, Inc. Method for Ultrasound Probe Repair
GB2457240B (en) 2008-02-05 2013-04-10 Fujitsu Ltd Ultrasound probe device and method of operation
US9184369B2 (en) 2008-09-18 2015-11-10 Fujifilm Sonosite, Inc. Methods for manufacturing ultrasound transducers and other components
US9173047B2 (en) 2008-09-18 2015-10-27 Fujifilm Sonosite, Inc. Methods for manufacturing ultrasound transducers and other components
CN102308375B (zh) 2008-09-18 2015-01-28 视声公司 用于制造超声换能器和其他部件的方法
US8560048B2 (en) 2008-10-02 2013-10-15 Vascular Imaging Corporation Optical ultrasound receiver
US20100228130A1 (en) * 2009-03-09 2010-09-09 Teratech Corporation Portable ultrasound imaging system
JP6291253B2 (ja) * 2010-08-27 2018-03-14 イーコス・コーポレイシヨン 超音波カテーテル
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
CN102793568B (zh) * 2011-05-23 2014-12-10 香港理工大学 环状阵列超声波内窥镜探头及其制备方法和固定旋转装置
US9295447B2 (en) 2011-08-17 2016-03-29 Volcano Corporation Systems and methods for identifying vascular borders
US9360630B2 (en) 2011-08-31 2016-06-07 Volcano Corporation Optical-electrical rotary joint and methods of use
WO2013116096A1 (en) 2012-01-31 2013-08-08 Purdue Research Foundation Methods for determining aggressiveness of a cancer and treatment thereof
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
US10070827B2 (en) 2012-10-05 2018-09-11 Volcano Corporation Automatic image playback
US9307926B2 (en) 2012-10-05 2016-04-12 Volcano Corporation Automatic stent detection
US9324141B2 (en) 2012-10-05 2016-04-26 Volcano Corporation Removal of A-scan streaking artifact
US9858668B2 (en) 2012-10-05 2018-01-02 Volcano Corporation Guidewire artifact removal in images
US9367965B2 (en) 2012-10-05 2016-06-14 Volcano Corporation Systems and methods for generating images of tissue
US9286673B2 (en) 2012-10-05 2016-03-15 Volcano Corporation Systems for correcting distortions in a medical image and methods of use thereof
US9292918B2 (en) 2012-10-05 2016-03-22 Volcano Corporation Methods and systems for transforming luminal images
JP2015532536A (ja) 2012-10-05 2015-11-09 デイビッド ウェルフォード， 光を増幅するためのシステムおよび方法
US9840734B2 (en) 2012-10-22 2017-12-12 Raindance Technologies, Inc. Methods for analyzing DNA
EP2931132B1 (de) 2012-12-13 2023-07-05 Philips Image Guided Therapy Corporation Vorrichtung zur gezielten kanülierung
JP6785554B2 (ja) 2012-12-20 2020-11-18 ボルケーノ コーポレイション 平滑遷移カテーテル
EP2934282B1 (de) 2012-12-20 2020-04-29 Volcano Corporation Ortung von intravaskulären bildern
US10942022B2 (en) 2012-12-20 2021-03-09 Philips Image Guided Therapy Corporation Manual calibration of imaging system
WO2014099797A2 (en) * 2012-12-20 2014-06-26 Jeremy Stigall Catheter assembly with a shortened tip
US11406498B2 (en) 2012-12-20 2022-08-09 Philips Image Guided Therapy Corporation Implant delivery system and implants
US10939826B2 (en) 2012-12-20 2021-03-09 Philips Image Guided Therapy Corporation Aspirating and removing biological material
CA2895989A1 (en) 2012-12-20 2014-07-10 Nathaniel J. Kemp Optical coherence tomography system that is reconfigurable between different imaging modes
US9486143B2 (en) 2012-12-21 2016-11-08 Volcano Corporation Intravascular forward imaging device
JP2016508233A (ja) 2012-12-21 2016-03-17 ナサニエル ジェイ． ケンプ， 光学スイッチを用いた電力効率のよい光学バッファリング
US10058284B2 (en) 2012-12-21 2018-08-28 Volcano Corporation Simultaneous imaging, monitoring, and therapy
WO2014099867A1 (en) * 2012-12-21 2014-06-26 Paul Hoseit Imaging catheter for imaging from within balloon
US10413317B2 (en) 2012-12-21 2019-09-17 Volcano Corporation System and method for catheter steering and operation
EP2934323A4 (de) 2012-12-21 2016-08-17 Andrew Hancock System und verfahren zur mehrpfad-verarbeitung von bildsignalen
WO2014100579A1 (en) 2012-12-21 2014-06-26 David Anderson Functional gain measurement technique and representation
CA2895990A1 (en) 2012-12-21 2014-06-26 Jerome MAI Ultrasound imaging with variable line density
US9615878B2 (en) 2012-12-21 2017-04-11 Volcano Corporation Device, system, and method for imaging and tissue characterization of ablated tissue
US9383263B2 (en) 2012-12-21 2016-07-05 Volcano Corporation Systems and methods for narrowing a wavelength emission of light
JP2016502884A (ja) 2012-12-21 2016-02-01 ダグラス メイヤー， 延在カテーテル本体テレスコープを有する回転可能超音波撮像カテーテル
JP2016508757A (ja) 2012-12-21 2016-03-24 ジェイソン スペンサー， 医療データのグラフィカル処理のためのシステムおよび方法
US9612105B2 (en) 2012-12-21 2017-04-04 Volcano Corporation Polarization sensitive optical coherence tomography system
US20140257107A1 (en) * 2012-12-28 2014-09-11 Volcano Corporation Transducer Assembly for an Imaging Device
US9770172B2 (en) 2013-03-07 2017-09-26 Volcano Corporation Multimodal segmentation in intravascular images
US10226597B2 (en) 2013-03-07 2019-03-12 Volcano Corporation Guidewire with centering mechanism
WO2014164696A1 (en) 2013-03-12 2014-10-09 Collins Donna 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
US9278187B2 (en) * 2013-03-13 2016-03-08 Biosense Webster (Israel) Ltd. Method for making a low OHMIC pressure-contact electrical connection between split ring electrode and lead wire
US11026591B2 (en) 2013-03-13 2021-06-08 Philips Image Guided Therapy Corporation Intravascular pressure sensor calibration
WO2014159819A1 (en) 2013-03-13 2014-10-02 Jinhyoung Park System and methods for producing an image from a rotational intravascular ultrasound device
US10219887B2 (en) 2013-03-14 2019-03-05 Volcano Corporation Filters with echogenic characteristics
US9592027B2 (en) 2013-03-14 2017-03-14 Volcano Corporation System and method of adventitial tissue characterization
SG10201702432YA (en) 2013-03-14 2017-05-30 Ekos Corp Method and apparatus for drug delivery to a target site
WO2014152365A2 (en) 2013-03-14 2014-09-25 Volcano Corporation Filters with echogenic characteristics
US10292677B2 (en) 2013-03-14 2019-05-21 Volcano Corporation Endoluminal filter having enhanced echogenic properties
JP2017502715A (ja) 2013-11-18 2017-01-26 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 血栓分散方法及び装置
JP6517832B2 (ja) 2013-11-18 2019-05-22 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 誘導血栓分散カテーテル
JP6689200B2 (ja) 2014-01-10 2020-04-28 ボルケーノ コーポレイション 動脈瘤修復に関連するエンドリークの検出
JP6734194B2 (ja) 2014-01-10 2020-08-05 ボルケーノ コーポレイション 動脈瘤修復に関連するエンドリークの検出
WO2015108973A1 (en) 2014-01-14 2015-07-23 Volcano Corporation Methods and systems for clearing thrombus from a vascular access site
WO2015108957A1 (en) 2014-01-14 2015-07-23 Volcano Corporation Systems for improving an av access site
US20150297097A1 (en) 2014-01-14 2015-10-22 Volcano Corporation Vascular access evaluation and treatment
WO2015108941A1 (en) 2014-01-14 2015-07-23 Volcano Corporation Devices and methods for forming vascular access
WO2015108984A1 (en) 2014-01-14 2015-07-23 Volcano Corporation Catheter assembly for vascular access site creation
EP3094241B1 (de) 2014-01-14 2018-07-04 Volcano Corporation Systeme und verfahren zur beurteilung der arterienvenösen fistelreifung in der hämodialyse
CN106163417A (zh) 2014-04-11 2016-11-23 皇家飞利浦有限公司 成像和治疗装置
JP2017513643A (ja) * 2014-04-28 2017-06-01 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 血管内デバイスのためのプレドープされた固体基質
CN116172611A (zh) 2014-07-15 2023-05-30 皇家飞利浦有限公司 肝内分流的设备和方法
WO2016027198A1 (en) 2014-08-21 2016-02-25 Koninklijke Philips N.V. Device and methods for crossing occlusions
WO2016132241A1 (en) 2015-02-20 2016-08-25 Koninklijke Philips N.V. Atherectomy apparatus with imaging
WO2016170446A1 (en) 2015-04-20 2016-10-27 Koninklijke Philips N.V. Dual lumen diagnostic catheter
WO2016201136A1 (en) 2015-06-10 2016-12-15 Ekos Corporation Ultrasound catheter
WO2017167886A1 (en) * 2016-03-30 2017-10-05 Koninklijke Philips N.V. Conductive support member for intravascular imaging device and associated devices, systems, and methods
CN109152538A (zh) 2016-05-20 2019-01-04 皇家飞利浦有限公司 用于基于血管内压力和横截面管腔测量的针对肾脏去神经支配的患者分层的设备和方法
WO2018130449A1 (en) * 2017-01-12 2018-07-19 Koninklijke Philips N.V. Support members for connection of components in intraluminal devices, systems, and methods
JP7479288B2 (ja) 2018-03-15 2024-05-08 コーニンクレッカ フィリップス エヌ ヴェ 可変的管腔内超音波送信パルス生成及び制御デバイス、システム並びに方法
EP4386708A3 (de) 2018-06-27 2024-07-31 Koninklijke Philips N.V. Dynamische ressourcenrekonfiguration für patientenschnittstellenmodul (pim) in der intraluminalen medizinischen ultraschallbildgebung
WO2020002177A1 (en) 2018-06-28 2020-01-02 Koninklijke Philips N.V. Internal ultrasound assisted local therapeutic delivery
EP3813677A1 (de) 2018-06-28 2021-05-05 Koninklijke Philips N.V. Externe gezielte abgabe von therapeutischen wirkstoffen
EP3860466B1 (de) 2018-10-04 2023-08-09 Koninklijke Philips N.V. Strömungsdetektion für ultraschallabbildungsvorrichtungen, systeme und verfahren
EP3692893A1 (de) * 2019-02-05 2020-08-12 Koninklijke Philips N.V. Sensor mit einem angepassten gehäuse
WO2021069216A1 (en) 2019-10-10 2021-04-15 Koninklijke Philips N.V. Vascular tissue characterization devices, systems, and methods
KR20220079980A (ko) 2019-10-17 2022-06-14 베라톤 인코포레이티드 초음파 스캐닝을 위한 시스템 및 방법

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE755557A (fr) * 1969-09-03 1971-03-01 Hoffmann La Roche Appareil de controle de la pression sanguine
US3938502A (en) * 1972-02-22 1976-02-17 Nicolaas Bom Apparatus with a catheter for examining hollow organs or bodies with the ultrasonic waves
FR2173115B1 (de) * 1972-02-22 1977-09-02 Univ Erasmus
JPS5918051B2 (ja) * 1976-02-29 1984-04-25 三菱油化株式会社 カテ−テル
JPS5921495B2 (ja) * 1977-12-15 1984-05-21 株式会社豊田中央研究所 細管型圧力計
JPS54149615A (en) * 1978-05-17 1979-11-24 Oki Electric Ind Co Ltd Production of ultrasonic oscillator of curved arrangement type
US4211949A (en) * 1978-11-08 1980-07-08 General Electric Company Wear plate for piezoelectric ultrasonic transducer arrays
US4237900A (en) * 1979-02-14 1980-12-09 Pacesetter Systems, Inc. Implantable calibration means and calibration method for an implantable body transducer
US4325257A (en) * 1980-02-20 1982-04-20 Kino Gordon S Real-time digital, synthetic-focus, acoustic imaging system
JPS57121400A (en) * 1981-01-20 1982-07-28 Matsushita Electric Ind Co Ltd Ultrasonic probe
US4456013A (en) * 1981-09-08 1984-06-26 Brown University Research Foundation Catheter
US4582067A (en) * 1983-02-14 1986-04-15 Washington Research Foundation Method for endoscopic blood flow detection by the use of ultrasonic energy
US4576177A (en) * 1983-02-18 1986-03-18 Webster Wilton W Jr Catheter for removing arteriosclerotic plaque
US4505156A (en) * 1983-06-21 1985-03-19 Sound Products Company L.P. Method and apparatus for switching multi-element transducer arrays
US4589419A (en) * 1984-11-01 1986-05-20 University Of Iowa Research Foundation Catheter for treating arterial occlusion
US4641657A (en) * 1985-02-08 1987-02-10 University Patents, Inc. Probe swivel mechanism
US4665925A (en) * 1985-09-13 1987-05-19 Pfizer Hospital Products Group, Inc. Doppler catheter
US4671293A (en) * 1985-10-15 1987-06-09 North American Philips Corporation Biplane phased array for ultrasonic medical imaging
US4794931A (en) * 1986-02-28 1989-01-03 Cardiovascular Imaging Systems, Inc. Catheter apparatus, system and method for intravascular two-dimensional ultrasonography
US4771788A (en) * 1986-07-18 1988-09-20 Pfizer Hospital Products Group, Inc. Doppler tip wire guide
US4771782A (en) * 1986-11-14 1988-09-20 Millar Instruments, Inc. Method and assembly for introducing multiple catheters into a biological vessel
US4841977A (en) * 1987-05-26 1989-06-27 Inter Therapy, Inc. Ultra-thin acoustic transducer and balloon catheter using same in imaging array subassembly
US4917097A (en) * 1987-10-27 1990-04-17 Endosonics Corporation Apparatus and method for imaging small cavities
US4817616A (en) * 1987-10-30 1989-04-04 Wayne State University Auto switch biplane prostate probe
GB2212267B (en) * 1987-11-11 1992-07-29 Circulation Res Ltd Methods and apparatus for the examination and treatment of internal organs
WO1989006934A1 (en) * 1988-02-02 1989-08-10 Intra-Sonix, Inc. Ultrasonic transducer
US4951677A (en) * 1988-03-21 1990-08-28 Prutech Research And Development Partnership Ii Acoustic imaging catheter and the like
JP2502685B2 (ja) * 1988-06-15 1996-05-29 松下電器産業株式会社 超音波探触子の製造方法
US5046503A (en) * 1989-04-26 1991-09-10 Advanced Cardiovascular Systems, Inc. Angioplasty autoperfusion catheter flow measurement method and apparatus
US5109861A (en) * 1989-04-28 1992-05-05 Thomas Jefferson University Intravascular, ultrasonic imaging catheters and methods for making same
US5117831A (en) * 1990-03-28 1992-06-02 Cardiovascular Imaging Systems, Inc. Vascular catheter having tandem imaging and dilatation components
JPH03280939A (ja) * 1990-03-29 1991-12-11 Fujitsu Ltd 超音波探触子
US5167233A (en) * 1991-01-07 1992-12-01 Endosonics Corporation Dilating and imaging apparatus
US5199437A (en) * 1991-09-09 1993-04-06 Sensor Electronics, Inc. Ultrasonic imager
US5186177A (en) * 1991-12-05 1993-02-16 General Electric Company Method and apparatus for applying synthetic aperture focusing techniques to a catheter based system for high frequency ultrasound imaging of small vessels

Also Published As

Publication number Publication date
CA2133475A1 (en) 1994-08-18
EP1327417A2 (de) 2003-07-16
DE69430490T2 (de) 2003-01-02
ATE236573T1 (de) 2003-04-15
EP1327417B1 (de) 2010-09-15
EP0637937B1 (de) 2003-04-09
ATE481034T1 (de) 2010-10-15
DE69432448D1 (de) 2003-05-15
EP0637937A1 (de) 1995-02-15
JP3831743B2 (ja) 2006-10-11
CA2133475C (en) 1998-07-14
CA2235947C (en) 2003-01-07
ATE216570T1 (de) 2002-05-15
JP2006055649A (ja) 2006-03-02
DE69430490D1 (de) 2002-05-29
CA2235947A1 (en) 1994-08-18
EP1327417A3 (de) 2003-09-10
JPH07505820A (ja) 1995-06-29
EP0750883A1 (de) 1997-01-02
US5368037A (en) 1994-11-29
DE69430490T3 (de) 2009-11-05
EP0750883B2 (de) 2009-04-22
JP2005342535A (ja) 2005-12-15
WO1994017734A1 (en) 1994-08-18
EP0750883B1 (de) 2002-04-24
DE69432448T2 (de) 2004-03-04
JP3732854B2 (ja) 2006-01-11

Similar Documents

Publication Publication Date Title
DE69435314D1 (de) Verfahren zur Herstellung eines Ultraschallkatheters
ATE195850T1 (de) System für angioplastie und ultraschall- kontrastbildformung
ATE149425T1 (de) Verfahren zur herstellung eines wabenkörpers sowie wabenkörper
ATE123227T1 (de) Kationisierte antikörper für das austragen durch die blut-gehirn-schranke.
DE59100463D1 (de) Verfahren zur Herstellung von Ultraschallwandlern.
CA2163213A1 (en) Ultrasonic Apparatus and Method for Intravascular Imaging
EP0629993A3 (de) Anpassungsschicht zum Anpassen du akustischen Impedanz von klinischen Ultraschallwandler.
AU7761691A (en) Ultrasound imaging technique using non linear scattering from bubbles
DE69309123D1 (de) Verfahren und Vorrichtung zur Herstellung eines Druckwandlers mit einem laminierten Substrat
AU2003254634A1 (en) Measuring device for a model and machining device equipped with the same
NO304870B1 (no) Lyttehode for elektronisk stetoskop
ATE194884T1 (de) Verfahren zur herstellung eines halbleiter- bauelements
TR199701414T1 (xx) Deriye yap��an t�bbi cihaz.
ATE151123T1 (de) Nähfaden, hiermit vernähtes flächengebilde, sowie verfahren zur herstellung einer spritzwasserdichten naht
DE69633267D1 (de) Verfahren zur Herstellung eines invertierten Dünnschichtfeldeffekttransistors
DE59303109D1 (de) Verfahren zur Messung der Körperhaltung und -bewegung
DE69401386D1 (de) Verfahren zur Herstellung eines Isopren-Butadien Kautschuks
IT8948370A0 (it) Metodo per l'esplorazione sottomarina ad alta risoluzione e dispositivo accordato di trasduttori elettroacustici paraboloidali per la realizzazione di tale metodo
DE69535372D1 (de) Verfahren zur Herstellung eines elektroakustischen Wandlers
DE69318380D1 (de) Verfahren zur Herstellung eines Orientierungsfilmes
EP0488084A3 (en) Apparatus for measuring the velocity of ultrasonic sound in terms of v(z) characteristics and ultrasonic microscope using that apparatus
DE69424821D1 (de) Verfahren zur Herstellung eines Aluminiumnitrid-Sinterkörpers
EP1136841A3 (de) Bilderzeugungsverfahren und -anordnung, und Ultraschallabbildungsgerät
DE68916396D1 (de) Verfahren zur Herstellung eines Carbonsäurealkenylesters.
ATE548860T1 (de) Akustischer anpassungs werkstoff,verfahren zur herstellung desselben und ultraschallübertrager mit diesem wekstoff