WO2009075280A1 - 超音波診断装置と超音波探触子 - Google Patents

超音波診断装置と超音波探触子 Download PDF

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Publication number
WO2009075280A1
WO2009075280A1 PCT/JP2008/072383 JP2008072383W WO2009075280A1 WO 2009075280 A1 WO2009075280 A1 WO 2009075280A1 JP 2008072383 W JP2008072383 W JP 2008072383W WO 2009075280 A1 WO2009075280 A1 WO 2009075280A1
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WO
WIPO (PCT)
Prior art keywords
bias voltage
ultrasonic
section
magnitude
diagnostic equipment
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.)
Ceased
Application number
PCT/JP2008/072383
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English (en)
French (fr)
Inventor
Katsunori Asafusa
Shinichiro Kishi
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.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical Corp
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 Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to US12/808,101 priority Critical patent/US9089874B2/en
Priority to EP08858444.6A priority patent/EP2223654A4/en
Priority to CN2008801198027A priority patent/CN101888809B/zh
Priority to JP2009545425A priority patent/JP5303472B2/ja
Publication of WO2009075280A1 publication Critical patent/WO2009075280A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves

Landscapes

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

Abstract

　本発明の超音波診断装置は、バイアス電圧供給部により供給されるバイアス電圧の大きさによって電気機械結合係数が変わる複数の振動要素を有する超音波探触子と、前記超音波探触子から受信される反射エコー信号に基づいて超音波画像を構成する超音波画像構成部と、前記超音波画像を表示する表示部と、を備えた超音波診断装置であって、前記振動要素のコラプス電圧に対する前記バイアス電圧の大きさを演算する演算部と、前記演算されたバイアス電圧の大きさを記憶する記憶部と、前記記憶されたバイアス電圧の大きさにより前記バイアス電圧供給部に前記バイアス電圧を前記振動要素に供給させる制御部と、を備える。
PCT/JP2008/072383 2007-12-13 2008-12-10 超音波診断装置と超音波探触子 Ceased WO2009075280A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/808,101 US9089874B2 (en) 2007-12-13 2008-12-10 Ultrasonic diagnostic apparatus and ultrasonic probe
EP08858444.6A EP2223654A4 (en) 2007-12-13 2008-12-10 Ultrasonic diagnostic equipment and ultrasonic probe
CN2008801198027A CN101888809B (zh) 2007-12-13 2008-12-10 超声波诊断装置和超声波探头
JP2009545425A JP5303472B2 (ja) 2007-12-13 2008-12-10 超音波診断装置と超音波探触子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007321718 2007-12-13
JP2007-321718 2007-12-13

Publications (1)

Publication Number Publication Date
WO2009075280A1 true WO2009075280A1 (ja) 2009-06-18

Family

ID=40755522

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/072383 Ceased WO2009075280A1 (ja) 2007-12-13 2008-12-10 超音波診断装置と超音波探触子

Country Status (5)

Country Link
US (1) US9089874B2 (ja)
EP (1) EP2223654A4 (ja)
JP (1) JP5303472B2 (ja)
CN (1) CN101888809B (ja)
WO (1) WO2009075280A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012095111A (ja) * 2010-10-27 2012-05-17 Olympus Corp 超音波プローブ装置及びその制御方法
WO2013125626A1 (ja) * 2012-02-23 2013-08-29 日立アロカメディカル株式会社 超音波診断装置及び超音波探触子
JP2014510472A (ja) * 2011-03-04 2014-04-24 エプコス アクチエンゲゼルシャフト マイクロフォン及び２つのバックプレート間で膜を位置決めする方法
JP2015100472A (ja) * 2013-11-22 2015-06-04 キヤノン株式会社 静電容量型トランスデューサの駆動方法および駆動装置
JP2017029759A (ja) * 2016-09-21 2017-02-09 キヤノン株式会社 静電容量型トランスデューサの駆動方法および駆動装置
JP2020502944A (ja) * 2016-12-22 2020-01-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 容量性高周波微小電気機械スイッチのシステム及び動作方法

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DE102010042875A1 (de) * 2010-10-25 2012-04-26 Siemens Aktiengesellschaft Verfahren zur Regelung einer Vorspannung für einen kapazitiven mikromechanischen Ultraschallwandler
US8995690B2 (en) 2011-11-28 2015-03-31 Infineon Technologies Ag Microphone and method for calibrating a microphone
US9281744B2 (en) 2012-04-30 2016-03-08 Infineon Technologies Ag System and method for a programmable voltage source
US9502023B2 (en) 2013-03-15 2016-11-22 Fujifilm Sonosite, Inc. Acoustic lens for micromachined ultrasound transducers
JP6234073B2 (ja) * 2013-06-07 2017-11-22 キヤノン株式会社 静電容量型トランスデューサの駆動装置、及び被検体情報取得装置
JP6513674B2 (ja) * 2013-08-27 2019-05-15 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． デュアルモードｃｍｕｔトランスデューサ
US9332369B2 (en) 2013-10-22 2016-05-03 Infineon Technologies Ag System and method for automatic calibration of a transducer
JP6472313B2 (ja) 2015-04-16 2019-02-20 キヤノン株式会社 探触子及び情報取得装置
US10856840B2 (en) * 2016-06-20 2020-12-08 Butterfly Network, Inc. Universal ultrasound device and related apparatus and methods
US11712221B2 (en) 2016-06-20 2023-08-01 Bfly Operations, Inc. Universal ultrasound device and related apparatus and methods
US11061000B2 (en) 2016-12-01 2021-07-13 Koninklijke Philips N.V. CMUT probe, system and method
JP7105207B2 (ja) * 2019-03-22 2022-07-22 富士フイルムヘルスケア株式会社 超音波プローブ、超音波診断装置および超音波プローブの製造方法
TW202210830A (zh) * 2020-04-16 2022-03-16 美商蝴蝶網路公司 用於超音波裝置中之電路系統及/或換能器之內建自測試的方法和電路系統

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS63154160A (ja) 1986-12-18 1988-06-27 株式会社日立メデイコ 超音波診断装置
JPH0380841A (ja) * 1989-08-24 1991-04-05 Toshiba Corp 超音波診断装置
JP2002530145A (ja) * 1998-11-19 2002-09-17 アキューソン コーポレイション マイクロ機械構成部品を使用した診断用医用超音波システムとトランスデューサ
JP2006020313A (ja) 2004-06-30 2006-01-19 General Electric Co <Ge> 高感度容量性微細加工超音波トランスデューサ

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DE3502638A1 (de) * 1985-01-26 1986-07-31 MWB Messwandler-Bau AG, 8600 Bamberg Verfahren, schaltung und einrichtung zur beseitigung der gleichspannungskomponente eines kapazitiven wechselspannungsteilers
JP3145455B2 (ja) * 1991-12-17 2001-03-12 ローム株式会社 半導体集積回路装置
US7780597B2 (en) * 2003-02-14 2010-08-24 Siemens Medical Solutions Usa, Inc. Method and apparatus for improving the performance of capacitive acoustic transducers using bias polarity control and multiple firings
CN1863485B (zh) * 2003-10-02 2010-09-08 株式会社日立医药 超声波探头、超声波成像设备以及超声波成像方法
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JP4790315B2 (ja) * 2005-05-31 2011-10-12 オリンパスメディカルシステムズ株式会社 静電容量型超音波振動子
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JP4822453B2 (ja) * 2005-11-11 2011-11-24 株式会社日立メディコ 超音波探触子及び超音波診断装置
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JPS63154160A (ja) 1986-12-18 1988-06-27 株式会社日立メデイコ 超音波診断装置
JPH0380841A (ja) * 1989-08-24 1991-04-05 Toshiba Corp 超音波診断装置
JP2002530145A (ja) * 1998-11-19 2002-09-17 アキューソン コーポレイション マイクロ機械構成部品を使用した診断用医用超音波システムとトランスデューサ
JP2006020313A (ja) 2004-06-30 2006-01-19 General Electric Co <Ge> 高感度容量性微細加工超音波トランスデューサ

Non-Patent Citations (4)

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Title
"Proceedings of 2001 IEEE ULTRASONICS SYMPOSIUM", October 2001, article BARIS BAYRAM ET AL.: "Influence of the Electrode Size and Location on the Performance of a CMUT", pages: 949 - 952, XP010584667 *
GOKSEN G. YARALIOGLU ET AL.: "Calculation and Measurement of Electromechanical Coupling Coefficient of Capacitive Micromachined Ultrasonic Transducers", IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL, vol. 50, no. 4, April 2003 (2003-04-01), pages 449 - 456, XP008136293 *
MICROMACHINED ULTRASONIC TRANSDUCER: IEEE TRANS. ULTRASON. FERROELECT. FREQ. CONTR., vol. 45, May 1998 (1998-05-01), pages 678 - 690
See also references of EP2223654A4 *

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8867314B2 (en) 2010-10-27 2014-10-21 Olympus Corporation Ultrasonic probe device and its control method
JP2012095111A (ja) * 2010-10-27 2012-05-17 Olympus Corp 超音波プローブ装置及びその制御方法
US9197967B2 (en) 2011-03-04 2015-11-24 Epcos Ag Microphone and method to position a membrane between two backplates
JP2014510472A (ja) * 2011-03-04 2014-04-24 エプコス アクチエンゲゼルシャフト マイクロフォン及び２つのバックプレート間で膜を位置決めする方法
JPWO2013125626A1 (ja) * 2012-02-23 2015-07-30 日立アロカメディカル株式会社 超音波診断装置及び超音波探触子
WO2013125626A1 (ja) * 2012-02-23 2013-08-29 日立アロカメディカル株式会社 超音波診断装置及び超音波探触子
US9476861B2 (en) 2012-02-23 2016-10-25 Hitachi, Ltd. Ultrasound diagnostic device and ultrasound probe
JP2015100472A (ja) * 2013-11-22 2015-06-04 キヤノン株式会社 静電容量型トランスデューサの駆動方法および駆動装置
US10016788B2 (en) 2013-11-22 2018-07-10 Canon Kabushiki Kaisha Method and device for driving capacitance transducer
JP2017029759A (ja) * 2016-09-21 2017-02-09 キヤノン株式会社 静電容量型トランスデューサの駆動方法および駆動装置
JP2020502944A (ja) * 2016-12-22 2020-01-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 容量性高周波微小電気機械スイッチのシステム及び動作方法
JP2022166105A (ja) * 2016-12-22 2022-11-01 コーニンクレッカ フィリップス エヌ ヴェ 容量性高周波微小電気機械スイッチのシステム及び動作方法
JP7208901B2 (ja) 2016-12-22 2023-01-19 コーニンクレッカ フィリップス エヌ ヴェ 容量性高周波微小電気機械スイッチのシステム及び動作方法
JP7391152B2 (ja) 2016-12-22 2023-12-04 コーニンクレッカ フィリップス エヌ ヴェ 容量性高周波微小電気機械スイッチのシステム及び動作方法

Also Published As

Publication number Publication date
EP2223654A4 (en) 2017-09-06
JP5303472B2 (ja) 2013-10-02
CN101888809A (zh) 2010-11-17
JPWO2009075280A1 (ja) 2011-04-28
US9089874B2 (en) 2015-07-28
CN101888809B (zh) 2012-11-28
EP2223654A1 (en) 2010-09-01
US20100268081A1 (en) 2010-10-21

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