NL7215339A - - Google Patents

Info

Publication number
NL7215339A
NL7215339A NL7215339A NL7215339A NL7215339A NL 7215339 A NL7215339 A NL 7215339A NL 7215339 A NL7215339 A NL 7215339A NL 7215339 A NL7215339 A NL 7215339A NL 7215339 A NL7215339 A NL 7215339A
Authority
NL
Netherlands
Application number
NL7215339A
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 filed Critical
Publication of NL7215339A publication Critical patent/NL7215339A/xx

Links

Classifications

    • 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
    • B06B1/0625—Annular array
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Mechanical Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
NL7215339A 1972-01-21 1972-11-13 NL7215339A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722202989 DE2202989A1 (de) 1972-01-21 1972-01-21 Fokussierter ultraschallwandler

Publications (1)

Publication Number Publication Date
NL7215339A true NL7215339A (xx) 1973-07-24

Family

ID=5833703

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7215339A NL7215339A (xx) 1972-01-21 1972-11-13

Country Status (4)

Country Link
CH (1) CH545575A (xx)
DE (1) DE2202989A1 (xx)
FR (1) FR2168538B3 (xx)
NL (1) NL7215339A (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2241078B1 (xx) * 1973-08-16 1977-08-12 France Etat
US3950723A (en) * 1974-02-21 1976-04-13 Westinghouse Electric Corporation Sonar apparatus
CA1201197A (en) * 1975-09-15 1986-02-25 Commonwealth Of Australia (The) Variable focus transducer
AT348797B (de) * 1976-04-08 1979-03-12 Kretztechnik Gmbh Schallkopf zur verbesserung des seitlichen aufloesungsvermoegens bei untersuchungen mit ultraschall nach dem impuls-echoverfahren
JPS54155683A (en) * 1978-05-30 1979-12-07 Matsushita Electric Ind Co Ltd Electronic scanning system ultrasoniccwave tomooinspection device
US4242911A (en) * 1979-02-01 1981-01-06 Mediscan, Inc. Ultrasonic medical diagnostic apparatus and method
FR2466164A1 (fr) * 1979-09-26 1981-03-27 Labo Electronique Physique Transducteur ultrasonore a sensibilite variable et dispositif d'emission-reception ultrasonore equipe de ce transducteur
DE3003153C2 (de) * 1980-01-30 1982-04-29 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Vorrichtung zur fernbedienten Ortung von Oberflächen
US4398539A (en) * 1980-06-30 1983-08-16 Second Foundation Extended focus transducer system
US4398116A (en) * 1981-04-30 1983-08-09 Siemens Gammasonics, Inc. Transducer for electronic focal scanning in an ultrasound imaging device
DE3119295A1 (de) * 1981-05-14 1982-12-16 Siemens AG, 1000 Berlin und 8000 München Einrichtung zum zerstoeren von konkrementen in koerperhoehlen
JPS58132677A (ja) * 1982-02-03 1983-08-08 Hitachi Medical Corp 超音波撮像装置
DE3302886C2 (de) * 1983-01-28 1985-06-20 Dieter Dipl.-Ing. 6652 Bexbach Kiefer Entfernungsmeßgerät
FR2554341B1 (fr) * 1983-11-03 1986-03-14 Rabelais Universite Francois Dispositif combine pour former une image tomographique et pour etablir une mesure velocimetrique doppler, au moyen d'ultrasons, notamment pour des examens cardiovasculaires
US5150712A (en) * 1983-12-14 1992-09-29 Edap International, S.A. Apparatus for examining and localizing tumors using ultra sounds, comprising a device for localized hyperthermia treatment
USRE33590E (en) 1983-12-14 1991-05-21 Edap International, S.A. Method for examining, localizing and treating with ultrasound
US5143073A (en) * 1983-12-14 1992-09-01 Edap International, S.A. Wave apparatus system
DE8815090U1 (xx) * 1988-12-03 1990-02-15 Dornier Medizintechnik Gmbh, 8000 Muenchen, De
DE102008028200B4 (de) 2008-06-12 2013-01-31 Karlsruher Institut für Technologie Ultraschallwandler mit variabler Fokuseinstellung

Also Published As

Publication number Publication date
FR2168538B3 (xx) 1976-01-23
CH545575A (xx) 1974-01-31
DE2202989A1 (de) 1973-07-26
FR2168538A1 (xx) 1973-08-31

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