CA998465A - Method and apparatus for focussing ultrasonic waves in a focal line - Google Patents

Method and apparatus for focussing ultrasonic waves in a focal line

Info

Publication number
CA998465A
CA998465A CA151,592A CA151592A CA998465A CA 998465 A CA998465 A CA 998465A CA 151592 A CA151592 A CA 151592A CA 998465 A CA998465 A CA 998465A
Authority
CA
Canada
Prior art keywords
ultrasonic waves
focal line
focussing
focussing ultrasonic
focal
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
Application number
CA151,592A
Other languages
English (en)
Other versions
CA151592S (en
Inventor
Christoph B. Burckhardt
Pierre-Andre Grandchamp
Heinz Hoffmann
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CH1458871A external-priority patent/CH543314A/de
Priority claimed from CH1484871A external-priority patent/CH543313A/de
Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of CA998465A publication Critical patent/CA998465A/en
Expired 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
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
    • 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
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Gynecology & Obstetrics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CA151,592A 1971-10-07 1972-09-13 Method and apparatus for focussing ultrasonic waves in a focal line Expired CA998465A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1458871A CH543314A (de) 1971-10-07 1971-10-07 Ultraschalloptik
CH1484871A CH543313A (de) 1971-10-12 1971-10-12 Verfahren und Einrichtung zur Konzentration von Ultraschall in einem langgestreckten Raumbereich

Publications (1)

Publication Number Publication Date
CA998465A true CA998465A (en) 1976-10-12

Family

ID=25714761

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,592A Expired CA998465A (en) 1971-10-07 1972-09-13 Method and apparatus for focussing ultrasonic waves in a focal line

Country Status (7)

Country Link
JP (1) JPS5238889B2 (de)
CA (1) CA998465A (de)
DD (1) DD101572A5 (de)
DK (1) DK147088C (de)
FR (1) FR2155600A5 (de)
NL (1) NL157430B (de)
SE (1) SE399329B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4994353A (de) * 1972-05-05 1974-09-07
CN109196679B (zh) 2015-12-01 2021-06-08 株式会社半导体能源研究所 发光元件、发光装置、电子设备及照明装置

Also Published As

Publication number Publication date
JPS5238889B2 (de) 1977-10-01
DK147088C (da) 1984-10-08
NL157430B (nl) 1978-07-17
NL7211701A (de) 1973-04-10
DE2249091A1 (de) 1973-04-12
JPS4846326A (de) 1973-07-02
DD101572A5 (de) 1973-11-12
FR2155600A5 (de) 1973-05-18
DE2249091B2 (de) 1977-05-18
SE399329B (sv) 1978-02-06
DK147088B (da) 1984-04-02

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