ATE236573T1 - Ultraschallkatheter sensor - Google Patents

Ultraschallkatheter sensor

Info

Publication number
ATE236573T1
ATE236573T1 AT94906070T AT94906070T ATE236573T1 AT E236573 T1 ATE236573 T1 AT E236573T1 AT 94906070 T AT94906070 T AT 94906070T AT 94906070 T AT94906070 T AT 94906070T AT E236573 T1 ATE236573 T1 AT E236573T1
Authority
AT
Austria
Prior art keywords
separate
electronics
transducer assembly
ultrasound catheter
backing
Prior art date
Application number
AT94906070T
Other languages
English (en)
Inventor
Michael J Eberle
Gary P Rizzuti
Horst F Kiepen
Original Assignee
Endosonics 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=ATE236573(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Endosonics Corp filed Critical Endosonics Corp
Application granted granted Critical
Publication of ATE236573T1 publication Critical patent/ATE236573T1/de

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06Measuring blood flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/445Details of catheter construction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4488Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4494Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607Methods 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
    • B06B1/0622Methods 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
    • B06B1/0633Cylindrical array
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644Methods 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
    • B06B1/0662Methods 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
    • B06B1/067Methods 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644Methods 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
    • B06B1/0662Methods 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
    • B06B1/0674Methods 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/89Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/89Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8979Combined Doppler and pulse-echo imaging systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/89Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/899Combination of imaging systems with ancillary equipment
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/004Mounting transducers, e.g. provided with mechanical moving or orienting device
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/004Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G10K11/006Transducer mounting in underwater equipment, e.g. sonobuoys
    • G10K11/008Arrays of transducers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70Specific application
    • B06B2201/76Medical, dental
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/89Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/892Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being curvilinear
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/89Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8979Combined Doppler and pulse-echo imaging systems
    • G01S15/8981Discriminating between fixed and moving objects or between objects moving at different speeds, e.g. wall clutter filter
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/42Piezoelectric device making

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Gynecology & Obstetrics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Hematology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
AT94906070T 1993-02-01 1994-01-14 Ultraschallkatheter sensor ATE236573T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/012,251 US5368037A (en) 1993-02-01 1993-02-01 Ultrasound catheter
PCT/US1994/000474 WO1994017734A1 (en) 1993-02-01 1994-01-14 Ultrasound catheter

Publications (1)

Publication Number Publication Date
ATE236573T1 true ATE236573T1 (de) 2003-04-15

Family

ID=21754054

Family Applications (3)

Application Number Title Priority Date Filing Date
AT96202546T ATE216570T1 (de) 1993-02-01 1994-01-14 Verfahren zur herstellung einer wandleranordnung zur bilderzeugung
AT03075230T ATE481034T1 (de) 1993-02-01 1994-01-14 Verfahren zur herstellung eines ultraschallkatheters
AT94906070T ATE236573T1 (de) 1993-02-01 1994-01-14 Ultraschallkatheter sensor

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT96202546T ATE216570T1 (de) 1993-02-01 1994-01-14 Verfahren zur herstellung einer wandleranordnung zur bilderzeugung
AT03075230T ATE481034T1 (de) 1993-02-01 1994-01-14 Verfahren zur herstellung eines ultraschallkatheters

Country Status (7)

Country Link
US (1) US5368037A (de)
EP (3) EP0750883B2 (de)
JP (3) JP3732854B2 (de)
AT (3) ATE216570T1 (de)
CA (2) CA2235947C (de)
DE (3) DE69432448T2 (de)
WO (1) WO1994017734A1 (de)

Families Citing this family (161)

* 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
US6030346A (en) * 1996-02-21 2000-02-29 The Whitaker Corporation Ultrasound imaging probe assembly
US6117083A (en) * 1996-02-21 2000-09-12 The Whitaker Corporation Ultrasound imaging probe assembly
EP0883860B1 (de) 1996-02-29 2006-08-23 Acuson Corporation 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
US5797848A (en) * 1997-01-31 1998-08-25 Acuson Corporation Ultrasonic transducer assembly with improved electrical interface
US5846205A (en) * 1997-01-31 1998-12-08 Acuson Corporation Catheter-mounted, phased-array ultrasound transducer with improved imaging
USD455210S1 (en) 1997-01-31 2002-04-02 Acuson Corporation Ultrasonic transducer assembly controller
US6464645B1 (en) 1997-01-31 2002-10-15 Acuson Corporation Ultrasonic transducer assembly controller
US5954654A (en) * 1997-01-31 1999-09-21 Acuson Corporation Steering mechanism and steering line for a catheter-mounted ultrasonic transducer
US5938616A (en) 1997-01-31 1999-08-17 Acuson Corporation Steering mechanism and steering line for a catheter-mounted ultrasonic transducer
US6045508A (en) * 1997-02-27 2000-04-04 Acuson Corporation Ultrasonic probe, system and method for two-dimensional imaging or three-dimensional reconstruction
US5876345A (en) * 1997-02-27 1999-03-02 Acuson Corporation Ultrasonic catheter, 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
USD465024S1 (en) 1998-01-31 2002-10-29 Acuson Corporation Ultrasonic transducer assembly controller
WO1999058059A1 (en) 1998-03-05 1999-11-18 Vardi Gil M Optical-acoustic imaging device
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
EP1436109B1 (de) * 2001-03-28 2008-01-02 Cybersonics, Inc. Sonde für ultraschallwandler
US6572547B2 (en) * 2001-07-31 2003-06-03 Koninklijke Philips Electronics N.V. Transesophageal and transnasal, transesophageal ultrasound imaging systems
EP1453425B1 (de) 2001-12-03 2006-03-08 Ekos Corporation Katheter mit mehreren ultraschall-abstrahlenden teilen
US6712767B2 (en) * 2002-08-29 2004-03-30 Volcano Therapeutics, Inc. Ultrasonic imaging devices and methods of fabrication
US20040054287A1 (en) * 2002-08-29 2004-03-18 Stephens Douglas Neil 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
US20050113698A1 (en) * 2003-11-21 2005-05-26 Kjell Kristoffersen Ultrasound probe transceiver circuitry
US7527592B2 (en) * 2003-11-21 2009-05-05 General Electric Company Ultrasound probe sub-aperture processing
WO2005104210A2 (en) 2004-04-20 2005-11-03 Visualsonics Inc. Arrayed ultrasonic transducer
EP1762182B1 (de) * 2004-06-10 2011-08-03 Olympus Corporation Ultraschallsonde vom elektrostatischen kapazitätstyp
WO2006003606A2 (en) * 2004-06-29 2006-01-12 Koninklijke Philips Electronics, N.V. System simplification for an ultrasound-based perfusion detection system
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
CA2628100C (en) 2005-11-02 2016-08-23 Visualsonics Inc. High frequency array ultrasound system
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
JP5385780B2 (ja) * 2006-04-04 2014-01-08 ヴォルケイノウ・コーポレーション カテーテル遠位端の変換器を操作するための超音波カテーテル及び手持ち式装置
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
US9044568B2 (en) 2007-06-22 2015-06-02 Ekos Corporation Method and apparatus for treatment of intracranial hemorrhages
WO2009009799A1 (en) 2007-07-12 2009-01-15 Volcano Corporation Catheter for in vivo imaging
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
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
US9173047B2 (en) 2008-09-18 2015-10-27 Fujifilm Sonosite, Inc. Methods for manufacturing ultrasound transducers and other components
US9184369B2 (en) 2008-09-18 2015-11-10 Fujifilm Sonosite, Inc. Methods for manufacturing ultrasound transducers and other components
EP3576137A1 (de) 2008-09-18 2019-12-04 FUJIFILM SonoSite, Inc. Ultraschallwandler
WO2010039950A1 (en) 2008-10-02 2010-04-08 Eberle Michael J Optical ultrasound receiver
US20100228130A1 (en) * 2009-03-09 2010-09-09 Teratech Corporation Portable ultrasound imaging system
EP2608730B1 (de) 2010-08-27 2019-07-24 Ekos Corporation Vorrichtung zur behandlung intrakranialer blutungen
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
US9858668B2 (en) 2012-10-05 2018-01-02 Volcano Corporation Guidewire artifact removal in images
US9286673B2 (en) 2012-10-05 2016-03-15 Volcano Corporation Systems for correcting distortions in a medical image and methods of use thereof
US9324141B2 (en) 2012-10-05 2016-04-26 Volcano Corporation Removal of A-scan streaking artifact
US10070827B2 (en) 2012-10-05 2018-09-11 Volcano Corporation Automatic image playback
US20140100454A1 (en) 2012-10-05 2014-04-10 Volcano Corporation Methods and systems for establishing parameters for three-dimensional imaging
US9292918B2 (en) 2012-10-05 2016-03-22 Volcano Corporation Methods and systems for transforming luminal images
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
CA2887421A1 (en) 2012-10-05 2014-04-10 David Welford Systems and methods for amplifying light
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
JP6322210B2 (ja) 2012-12-13 2018-05-09 ボルケーノ コーポレイション 標的化された挿管のためのデバイス、システム、および方法
US11406498B2 (en) 2012-12-20 2022-08-09 Philips Image Guided Therapy Corporation Implant delivery system and implants
EP2934311B1 (de) 2012-12-20 2020-04-15 Volcano Corporation Katheter mit nahtlosem übergang
US9730613B2 (en) 2012-12-20 2017-08-15 Volcano Corporation Locating intravascular images
EP2934334A4 (de) * 2012-12-20 2016-09-07 Jeremy Stigall Katheteranordnung mit verkürzter spitze
US10942022B2 (en) 2012-12-20 2021-03-09 Philips Image Guided Therapy Corporation Manual calibration of imaging system
WO2014107287A1 (en) 2012-12-20 2014-07-10 Kemp Nathaniel J Optical coherence tomography system that is reconfigurable between different imaging modes
US10939826B2 (en) 2012-12-20 2021-03-09 Philips Image Guided Therapy Corporation Aspirating and removing biological material
WO2014100530A1 (en) 2012-12-21 2014-06-26 Whiseant Chester System and method for catheter steering and operation
US9486143B2 (en) 2012-12-21 2016-11-08 Volcano Corporation Intravascular forward imaging device
JP2016501625A (ja) 2012-12-21 2016-01-21 ジェローム マイ, 可変線密度での超音波撮像
US10058284B2 (en) 2012-12-21 2018-08-28 Volcano Corporation Simultaneous imaging, monitoring, and therapy
EP2936426B1 (de) 2012-12-21 2021-10-13 Jason Spencer System und verfahren zur grafischen verarbeitung medizinischer daten
US9615878B2 (en) 2012-12-21 2017-04-11 Volcano Corporation Device, system, and method for imaging and tissue characterization of ablated tissue
WO2014100579A1 (en) 2012-12-21 2014-06-26 David Anderson Functional gain measurement technique and representation
WO2014099867A1 (en) * 2012-12-21 2014-06-26 Paul Hoseit Imaging catheter for imaging from within balloon
JP2016507892A (ja) 2012-12-21 2016-03-10 デイビッド ウェルフォード, 光の波長放出を狭幅化するためのシステムおよび方法
EP2936241B1 (de) 2012-12-21 2020-10-21 Nathaniel J. Kemp Leistungseffiziente optische pufferung mit einem polarisationserhaltenden optischen schalter
WO2014100606A1 (en) 2012-12-21 2014-06-26 Meyer, Douglas Rotational ultrasound imaging catheter with extended catheter body telescope
JP2016501623A (ja) 2012-12-21 2016-01-21 アンドリュー ハンコック, 画像信号のマルチ経路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
EP2965263B1 (de) 2013-03-07 2022-07-20 Bernhard Sturm Multimodale segmentierung in intravaskulären bildern
US10226597B2 (en) 2013-03-07 2019-03-12 Volcano Corporation Guidewire with centering mechanism
EP2967391A4 (de) 2013-03-12 2016-11-02 Donna Collins Systeme und verfahren zur diagnose koronarer mikrovaskulärer erkrankungen
US11154313B2 (en) 2013-03-12 2021-10-26 The Volcano Corporation Vibrating guidewire torquer and methods of use
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
JP6339170B2 (ja) 2013-03-13 2018-06-06 ジンヒョン パーク 回転式血管内超音波装置から画像を生成するためのシステム及び方法
US9301687B2 (en) 2013-03-13 2016-04-05 Volcano Corporation System and method for OCT depth calibration
US11026591B2 (en) 2013-03-13 2021-06-08 Philips Image Guided Therapy Corporation Intravascular pressure sensor calibration
US10292677B2 (en) 2013-03-14 2019-05-21 Volcano Corporation Endoluminal filter having enhanced echogenic properties
US9592027B2 (en) 2013-03-14 2017-03-14 Volcano Corporation System and method of adventitial tissue characterization
US12343198B2 (en) 2013-03-14 2025-07-01 Philips Image Guided Therapy Corporation Delivery catheter having imaging capabilities
SG10201702432YA (en) 2013-03-14 2017-05-30 Ekos Corp Method and apparatus for drug delivery to a target site
US10426590B2 (en) 2013-03-14 2019-10-01 Volcano Corporation Filters with echogenic characteristics
US10219887B2 (en) 2013-03-14 2019-03-05 Volcano Corporation Filters with echogenic characteristics
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
CN105899142B (zh) 2014-01-10 2020-04-10 火山公司 检测与动脉瘤修复相关联的内漏
WO2015106197A2 (en) 2014-01-10 2015-07-16 Volcano Corporation Detecting endoleaks associated with aneurysm repair
WO2015108973A1 (en) 2014-01-14 2015-07-23 Volcano Corporation Methods and systems for clearing thrombus from a vascular access site
EP3094241B1 (de) 2014-01-14 2018-07-04 Volcano Corporation Systeme und verfahren zur beurteilung der arterienvenösen fistelreifung in der hämodialyse
JP2017509366A (ja) 2014-01-14 2017-04-06 ボルケーノ コーポレイション 血管アクセス部位創成のためのカテーテルアセンブリ
US10238816B2 (en) 2014-01-14 2019-03-26 Volcano Corporation Devices and methods for forming vascular access
WO2015108957A1 (en) 2014-01-14 2015-07-23 Volcano Corporation Systems for improving an av access site
WO2015108942A1 (en) 2014-01-14 2015-07-23 Volcano Corporation Vascular access evaluation and treatment
US20150289749A1 (en) 2014-04-11 2015-10-15 Volcano Corporation Imaging and treatment device
WO2015167923A1 (en) * 2014-04-28 2015-11-05 Koninklijke Philips N.V. Pre-doped solid substrate for intravascular devices
JP6400826B2 (ja) 2014-07-15 2018-10-03 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 肝内シャントのためのデバイス及び方法
CN107072636A (zh) 2014-08-21 2017-08-18 皇家飞利浦有限公司 用于穿通闭塞的装置和方法
CN107530049B (zh) 2015-02-20 2021-06-04 皇家飞利浦有限公司 支持成像的斑块切除设备
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
EP3435869B1 (de) 2016-03-30 2023-05-10 Koninklijke Philips N.V. Intravaskuläres bildgebungsgerät und dazugehörige montagemethode
JP2019516477A (ja) 2016-05-20 2019-06-20 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 血管内圧及び断面内腔測定に基づく腎デナベーションのための患者層別化デバイス及び方法
WO2018130449A1 (en) * 2017-01-12 2018-07-19 Koninklijke Philips N.V. Support members for connection of components in intraluminal devices, systems, and methods
US12186130B2 (en) * 2017-03-31 2025-01-07 Philips Image Guided Therapy Corporation Annular integrated circuit controller for intraluminal ultrasound imaging device
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
JP7653791B2 (ja) 2018-06-27 2025-03-31 コーニンクレッカ フィリップス エヌ ヴェ 管腔内医療用超音波撮像における患者インタフェースモジュール(pim)のための動的リソース再設定
JP7577544B2 (ja) 2018-06-28 2024-11-05 コーニンクレッカ フィリップス エヌ ヴェ 内部的に超音波支援された治療薬の局所的送達
JP2021529038A (ja) 2018-06-28 2021-10-28 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 活性治療薬の外部標的化送達
US20210345989A1 (en) 2018-10-04 2021-11-11 Koninklijke Philips N.V. Fluid flow detection for ultrasound imaging devices, systems, and methods
US12507984B2 (en) 2019-01-07 2025-12-30 Philips Image Guided Therapy Corporation Strain relief for intraluminal ultrasound imaging and associated devices, systems, and methods
EP3692893A1 (de) * 2019-02-05 2020-08-12 Koninklijke Philips N.V. Sensor mit einem angepassten gehäuse
JP7202263B2 (ja) * 2019-06-24 2023-01-11 朝日インテック株式会社 カテーテル、カテーテルセット、および医療装置
US20220370037A1 (en) 2019-10-10 2022-11-24 Koninklijke Philips N.V. Vascular tissue characterization devices, systems, and methods
EP4044931B1 (de) 2019-10-17 2025-12-03 Verathon INC. Vorrichtungen und verfahren für abtastung mit ultraschall

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
DE2308443A1 (de) * 1972-02-22 1973-08-30 Univ Erasmus Untersuchungsgeraet mit katheter zum untersuchen eines hohlen organes mit hilfe von ultraschallwellen und verfahren zum herstellen des katheters
US3938502A (en) * 1972-02-22 1976-02-17 Nicolaas Bom Apparatus with a catheter for examining hollow organs or bodies with the ultrasonic waves
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
AU2928889A (en) * 1988-02-02 1989-08-25 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
EP0750883B1 (de) 2002-04-24
JP3732854B2 (ja) 2006-01-11
DE69430490D1 (de) 2002-05-29
EP0637937A1 (de) 1995-02-15
JPH07505820A (ja) 1995-06-29
CA2235947C (en) 2003-01-07
EP0750883A1 (de) 1997-01-02
EP1327417B1 (de) 2010-09-15
JP2006055649A (ja) 2006-03-02
EP0750883B2 (de) 2009-04-22
DE69432448T2 (de) 2004-03-04
EP1327417A2 (de) 2003-07-16
JP2005342535A (ja) 2005-12-15
JP3831743B2 (ja) 2006-10-11
CA2133475C (en) 1998-07-14
EP0637937B1 (de) 2003-04-09
EP1327417A3 (de) 2003-09-10
DE69430490T3 (de) 2009-11-05
CA2235947A1 (en) 1994-08-18
DE69435314D1 (de) 2010-10-28
WO1994017734A1 (en) 1994-08-18
DE69432448D1 (de) 2003-05-15
DE69430490T2 (de) 2003-01-02
ATE216570T1 (de) 2002-05-15
CA2133475A1 (en) 1994-08-18
US5368037A (en) 1994-11-29
ATE481034T1 (de) 2010-10-15

Similar Documents

Publication Publication Date Title
DE69432448D1 (de) Ultraschallkatheter sensor
EP0629993A3 (de) Anpassungsschicht zum Anpassen du akustischen Impedanz von klinischen Ultraschallwandler.
DK1011448T3 (da) Pick-up-enhed for et elektronisk stetoskop
EP0458146A3 (en) Ultrasonic transducer with reduced acoustic cross coupling
EP0919793A3 (de) Coriolisdurchflussmesser mit digitalem Regelsystem
EP0146049A3 (de) Ankopplungsvorrichtung
DE68921860D1 (de) Wandler für die medizinische Ultraschall-Bilderzeugung.
AU529150B2 (en) Duplex ultrasonic imaging system with repetitive excitation of common transducer in doppler modality
EP0313828A3 (de) Schalldämpfer
NO981475L (no) Ultralydsonde for hÕndholdt ultralyddiagnoseinstrument
DE69837416D1 (de) Leitendes Rückelement für einen zusammengesetzten Wandler
ATE35338T1 (de) Ultraschallwandler.
DK0738883T3 (da) Ultralydstransducer med integreret indstillelig forstærker
EP1136841A3 (de) Bilderzeugungsverfahren und -anordnung, und Ultraschallabbildungsgerät
ATE548860T1 (de) Akustischer anpassungs werkstoff,verfahren zur herstellung desselben und ultraschallübertrager mit diesem wekstoff
IL94333A0 (en) Device for measuring the speed of blood flows by ultrasonic echograph at an increased measuring speed
ES2145849T3 (es) Transductor sonico para un sistema de alarma contra robo.
EP1484585A3 (de) Coriolisdurchflussmesser mit digitalem Regelsystem
DE69108870D1 (de) Überwachung von Rückschlagventilen.
JPH0473865U (de)
ITRM910213A1 (it) Dispositivo portatile per la rivelazione degli impulsi cerebrali, con allarme anti - sonno durante la guida.
JPH03122808U (de)
SE9103383D0 (sv) Givare foer akustisk trumma
RU1821734C (en) Ultrasonic piezoelectric transducer
FR2454150A1 (fr) Filtres metallosoniques pour circuits acoustiques

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties