DE68923448D1 - Koppler für ultraschallwandler-sonde. - Google Patents

Koppler für ultraschallwandler-sonde.

Info

Publication number
DE68923448D1
DE68923448D1 DE68923448T DE68923448T DE68923448D1 DE 68923448 D1 DE68923448 D1 DE 68923448D1 DE 68923448 T DE68923448 T DE 68923448T DE 68923448 T DE68923448 T DE 68923448T DE 68923448 D1 DE68923448 D1 DE 68923448D1
Authority
DE
Germany
Prior art keywords
coupler
ultrasonic transducer
transducer probe
probe
ultrasonic
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 - Fee Related
Application number
DE68923448T
Other languages
English (en)
Other versions
DE68923448T2 (de
Inventor
Kenichi Hopufuru Naka Hayakawa
Kenji Kodan - Kawabe
Kazuhiro Kamioge Pauk Watanabe
Kiyoto Fujitsu Kojunso Matsui
Takaki Shimura
Shiro Takeda
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.)
Fukuda Denshi Co Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE68923448D1 publication Critical patent/DE68923448D1/de
Publication of DE68923448T2 publication Critical patent/DE68923448T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42Details of probe positioning or probe attachment to the patient
    • A61B8/4272Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281Details 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42Details of probe positioning or probe attachment to the patient
    • A61B8/4209Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
    • 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
    • G10K11/02Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
DE68923448T 1988-08-30 1989-08-29 Koppler für ultraschallwandler-sonde. Expired - Fee Related DE68923448T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP21570388 1988-08-30
JP21570288 1988-08-30
PCT/JP1989/000881 WO1990001902A1 (en) 1988-08-30 1989-08-29 Acoustic coupler

Publications (2)

Publication Number Publication Date
DE68923448D1 true DE68923448D1 (de) 1995-08-17
DE68923448T2 DE68923448T2 (de) 1995-12-07

Family

ID=26521005

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923448T Expired - Fee Related DE68923448T2 (de) 1988-08-30 1989-08-29 Koppler für ultraschallwandler-sonde.

Country Status (4)

Country Link
US (1) US5265614A (de)
EP (1) EP0413028B1 (de)
DE (1) DE68923448T2 (de)
WO (1) WO1990001902A1 (de)

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Also Published As

Publication number Publication date
DE68923448T2 (de) 1995-12-07
EP0413028B1 (de) 1995-07-12
WO1990001902A1 (en) 1990-03-08
EP0413028A1 (de) 1991-02-20
US5265614A (en) 1993-11-30

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