GB2009563A - Ultrasonic probes - Google Patents

Ultrasonic probes

Info

Publication number
GB2009563A
GB2009563A GB7844825A GB7844825A GB2009563A GB 2009563 A GB2009563 A GB 2009563A GB 7844825 A GB7844825 A GB 7844825A GB 7844825 A GB7844825 A GB 7844825A GB 2009563 A GB2009563 A GB 2009563A
Authority
GB
United Kingdom
Prior art keywords
transducer
stand
cell
angle theta
reflected
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.)
Withdrawn
Application number
GB7844825A
Inventor
Macdonald Green Ian
Lionel Delany John
Hill Alyson
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.)
EMI Ltd
Original Assignee
EMI 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 EMI Ltd filed Critical EMI Ltd
Priority to GB7844825A priority Critical patent/GB2009563A/en
Publication of GB2009563A publication Critical patent/GB2009563A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2487—Directing probes, e.g. angle probes
    • 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
    • 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
    • G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Multimedia (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biochemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

For ultrasonic examination of a body, such as the body of a patient, it is usual to place a transducer in contact with the body. A stand-off cell may be placed between the body and the transducer, for example to allow imaging of the skin line. The invention provides a solid stand-off cell which has input and output faces (3 and 4) inclined at an angle theta . The angle theta is chosen so that components of energy which are reflected at the stand-off cell output face (4) interfere destructively to reduce the intensity of such reflected energy at the transducer (1). <IMAGE>
GB7844825A 1977-11-24 1978-11-16 Ultrasonic probes Withdrawn GB2009563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7844825A GB2009563A (en) 1977-11-24 1978-11-16 Ultrasonic probes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4891877 1977-11-24
GB7844825A GB2009563A (en) 1977-11-24 1978-11-16 Ultrasonic probes

Publications (1)

Publication Number Publication Date
GB2009563A true GB2009563A (en) 1979-06-13

Family

ID=26266359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7844825A Withdrawn GB2009563A (en) 1977-11-24 1978-11-16 Ultrasonic probes

Country Status (1)

Country Link
GB (1) GB2009563A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029449A1 (en) * 1979-08-16 1981-03-26 Diasonics, Inc., Sunnyvale, Calif. ULTRASONIC SCANNER
EP0081033A1 (en) * 1981-12-04 1983-06-15 Siemens Aktiengesellschaft Ultrasonic scanner
EP0146051A2 (en) * 1983-12-16 1985-06-26 Hewlett-Packard Company Stand-off device with special fluid
US4552021A (en) * 1982-12-30 1985-11-12 Fujitsu Limited Electro-sound transducer eliminating acoustic multi-reflection, and ultrasonic diagnostic apparatus applying it
DE3733439A1 (en) * 1986-10-03 1988-04-14 Toshiba Kawasaki Kk HEADER FOR DIAGNOSTIC ULTRASONIC PROBE
DE3737593A1 (en) * 1986-11-06 1988-05-19 Toshiba Kawasaki Kk ULTRASONIC PROBE DEVICE
EP0283854A1 (en) * 1987-03-10 1988-09-28 Matsushita Electric Industrial Co., Ltd. Ultrasonic probe having ultrasonic propagation medium
EP0407779A1 (en) * 1989-07-10 1991-01-16 Richard Wolf GmbH Coupler for a lithotripter
EP0617922A1 (en) * 1993-04-01 1994-10-05 Armin Bollinger Doppler ultrasound probe with needle guide
GB2291191A (en) * 1994-07-07 1996-01-17 Mark Steven Whiteley Hand held doppler probe
EP0860697A2 (en) * 1997-02-21 1998-08-26 General Electric Company Hand-holdable probe for a sensing system

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029449A1 (en) * 1979-08-16 1981-03-26 Diasonics, Inc., Sunnyvale, Calif. ULTRASONIC SCANNER
EP0081033A1 (en) * 1981-12-04 1983-06-15 Siemens Aktiengesellschaft Ultrasonic scanner
US4552021A (en) * 1982-12-30 1985-11-12 Fujitsu Limited Electro-sound transducer eliminating acoustic multi-reflection, and ultrasonic diagnostic apparatus applying it
EP0146051B1 (en) * 1983-12-16 1989-02-01 Hewlett-Packard Company Stand-off device with special fluid
EP0146051A2 (en) * 1983-12-16 1985-06-26 Hewlett-Packard Company Stand-off device with special fluid
DE3733439A1 (en) * 1986-10-03 1988-04-14 Toshiba Kawasaki Kk HEADER FOR DIAGNOSTIC ULTRASONIC PROBE
DE3737593A1 (en) * 1986-11-06 1988-05-19 Toshiba Kawasaki Kk ULTRASONIC PROBE DEVICE
US4901729A (en) * 1987-03-10 1990-02-20 Matsushita Electric Industrial Co., Ltd. Ultrasonic probe having ultrasonic propagation medium
EP0283854A1 (en) * 1987-03-10 1988-09-28 Matsushita Electric Industrial Co., Ltd. Ultrasonic probe having ultrasonic propagation medium
EP0407779A1 (en) * 1989-07-10 1991-01-16 Richard Wolf GmbH Coupler for a lithotripter
DE3922641A1 (en) * 1989-07-10 1991-01-24 Wolf Gmbh Richard RUN FOR A LITHOTRIPSY DEVICE
US5065742A (en) * 1989-07-10 1991-11-19 Richard Wolf Gmbh Ultrasonic wave coupler for locating transducer in a lithotriptic apparatus
EP0617922A1 (en) * 1993-04-01 1994-10-05 Armin Bollinger Doppler ultrasound probe with needle guide
WO1994022373A1 (en) * 1993-04-01 1994-10-13 Armin Bollinger Coupling part as transmission element for ultrasonic doppler probes
GB2291191A (en) * 1994-07-07 1996-01-17 Mark Steven Whiteley Hand held doppler probe
EP0860697A2 (en) * 1997-02-21 1998-08-26 General Electric Company Hand-holdable probe for a sensing system
EP0860697A3 (en) * 1997-02-21 2000-07-19 General Electric Company Hand-holdable probe for a sensing system

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)