WO2007085892A3 - Hierarchical switching in ultra-high density ultrasound array - Google Patents

Hierarchical switching in ultra-high density ultrasound array Download PDF

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Publication number
WO2007085892A3
WO2007085892A3 PCT/IB2006/003300 IB2006003300W WO2007085892A3 WO 2007085892 A3 WO2007085892 A3 WO 2007085892A3 IB 2006003300 W IB2006003300 W IB 2006003300W WO 2007085892 A3 WO2007085892 A3 WO 2007085892A3
Authority
WO
WIPO (PCT)
Prior art keywords
tier
transducer elements
drive signals
drive
transducer
Prior art date
Application number
PCT/IB2006/003300
Other languages
French (fr)
Other versions
WO2007085892A2 (en
Inventor
Kobi Vortman
Yoav Medan
Avner Ezion
Original Assignee
Insightec Ltd
Kobi Vortman
Yoav Medan
Avner Ezion
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 Insightec Ltd, Kobi Vortman, Yoav Medan, Avner Ezion filed Critical Insightec Ltd
Priority to EP06820942.8A priority Critical patent/EP1960993B1/en
Priority to JP2008541839A priority patent/JP5087007B2/en
Priority to CN2006800439328A priority patent/CN101313354B/en
Publication of WO2007085892A2 publication Critical patent/WO2007085892A2/en
Publication of WO2007085892A3 publication Critical patent/WO2007085892A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8927—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array using simultaneously or sequentially two or more subarrays or subapertures
    • 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
    • A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52019—Details of transmitters
    • 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
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation

Abstract

A focused ultrasound system comprises a transducer having a multiplicity of transducer elements, drive circuitry that generates and outputs a plurality of drive signals, each offset by a respective phase difference, and a controller for selectively coupling the drive signals to respective transducer elements, the controller including a plurality of first tier switching modules and second tier switching modules. Each first tier module receives as an input the plurality of drive signals and outputs one of the drive signals in response to a drive signal selection signal. Each second tier module is coupled to a respective grouping of transducer elements and selectively couples a respective selected drive signal output from a first tier switching module to one or more of the transducer elements in response to a transducer element selection signal.
PCT/IB2006/003300 2005-11-23 2006-11-22 Hierarchical switching in ultra-high density ultrasound array WO2007085892A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06820942.8A EP1960993B1 (en) 2005-11-23 2006-11-22 Hierarchical switching in ultra-high density ultrasound array
JP2008541839A JP5087007B2 (en) 2005-11-23 2006-11-22 Hierarchical switching ultra high density ultrasonic array
CN2006800439328A CN101313354B (en) 2005-11-23 2006-11-22 Hierarchical switching in ultra-high density ultrasound array

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73986205P 2005-11-23 2005-11-23
US60/739,862 2005-11-23

Publications (2)

Publication Number Publication Date
WO2007085892A2 WO2007085892A2 (en) 2007-08-02
WO2007085892A3 true WO2007085892A3 (en) 2008-05-08

Family

ID=38309560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/003300 WO2007085892A2 (en) 2005-11-23 2006-11-22 Hierarchical switching in ultra-high density ultrasound array

Country Status (5)

Country Link
US (1) US8608672B2 (en)
EP (1) EP1960993B1 (en)
JP (1) JP5087007B2 (en)
CN (1) CN101313354B (en)
WO (1) WO2007085892A2 (en)

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