JP5371386B2 - 互いに対向するトランスデューサを備える超音波診断装置 - Google Patents
互いに対向するトランスデューサを備える超音波診断装置 Download PDFInfo
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- JP5371386B2 JP5371386B2 JP2008292108A JP2008292108A JP5371386B2 JP 5371386 B2 JP5371386 B2 JP 5371386B2 JP 2008292108 A JP2008292108 A JP 2008292108A JP 2008292108 A JP2008292108 A JP 2008292108A JP 5371386 B2 JP5371386 B2 JP 5371386B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0825—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the breast, e.g. mammography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/461—Displaying means of special interest
- A61B8/463—Displaying means of special interest characterised by displaying multiple images or images and diagnostic data on one display
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/483—Diagnostic techniques involving the acquisition of a 3D volume of data
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
-
- 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
- G01S15/8995—Combining images from different aspect angles, e.g. spatial compounding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/13—Tomography
- A61B8/15—Transmission-tomography
-
- 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
- G01S15/8918—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being linear
-
- 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
- G01S15/8929—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a three-dimensional transducer configuration
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
図1を参照すれば、本発明の実施形態による超音波診断装置は互いに対向する一対のトランスデューサ10、20を備える。図2a及び図2bに示した通り、各トランスデューサ10、20は送信信号を超音波信号に変換して送信スキャンラインに沿って対象体に送信し、対象体から受信された超音波信号を受信信号に変換するための多数の変換素子(element)11、21を備える。各トランスデューサ10、20の変換素子11、21は線状配列(linear array)形態を有する。2つのトランスデューサ10、20の間の距離は対象体によって、診断条件に応じて任意に調節することができる。対象体は互いに対向する2つのトランスデューサ10、20の間に固定されることによって人体のような対象体の動きによる誤差を減らすことができる。
130送信ビームフォーマ
140受信ビームフォーマ
150格納部
160DSP
170DSC
180ディスプレイ部
190トランスデューサ移動部
195圧力判断部
196回転角算出部
Claims (9)
- 超音波診断装置であって、
互いに対向し、それぞれが超音波信号を対象体に送信し前記対象体から反射される超音波エコー信号を受信する超音波信号を送受信する一対のトランスデューサと、
反射モードまたは透過モードで前記トランスデューサそれぞれから受信信号を取得し、前記取得された受信信号に基づいて複数の予備フレームを形成し、前記複数の予備フレームを平均または合成して超音波映像を形成するデジタル信号処理部とを備えることを特徴とする超音波診断装置。 - 前記それぞれのトランスデューサは、線状配列形態の多数の変換素子を備えることを特徴とする請求項1に記載の超音波診断装置。
- 前記超音波信号が対象体に設定されたスキャンラインに沿って集束されるように前記変換素子に印加される送信信号を遅延して提供するための送信ビームフォーマと、
前記各変換素子から入力される受信信号をデジタル信号に変換し、前記デジタル信号を遅延して受信データを形成するための受信ビームフォーマと、
前記超音波映像をディスプレイするためのディスプレイ部と
をさらに備えることを特徴とする請求項2に記載の超音波診断装置。 - 前記一対のトランスデューサのうち少なくとも一つを軸方向に移動させるためのトランスデューサ移動部をさらに備えることを特徴とする請求項3に記載の超音波診断装置。
- 前記トランスデューサ間の距離に基づいて対象体に加えられる圧力の大きさを判断するための圧力判断部をさらに備え、
前記デジタル信号処理部は、前記圧力判断部で判断された圧力の大きさに基づいて弾性映像データを形成し、かつ、前記弾性映像データをディスプレイフォーマットに合うようにスキャン変換し、
前記ディスプレイ部は、前記スキャン変換された弾性映像データに基づいて弾性映像をディスプレイすることを特徴とする請求項4に記載の超音波診断装置。 - 前記トランスデューサそれぞれの両端から延びた拡張接触部をさらに備えることを特徴とする請求項5に記載の超音波診断装置。
- 前記移動部は、前記トランスデューサのうち少なくとも一つを同一平面上で回転させ、又は前記一対のトランスデューサが互いに対向しながら一つのトランスデューサが反対側トランスデューサを軸に回転するように動作することを特徴とする請求項4に記載の超音波診断装置。
- 前記トランスデューサの回転角を算出するための回転角算出部をさらに備え、前記デジタル信号処理部は前記回転角に基づいて多数の超音波断面映像データを形成し、前記多数の超音波断面映像データを合成して3次元映像を形成することを特徴とする請求項7に記載の超音波診断装置。
- 互いに対向して超音波信号を送受信する一対の追加トランスデューサをさらに備え、前記追加トランスデューサは前記一対のトランスデューサに直角に配置されることを特徴とする請求項1に記載の超音波診断装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070116168A KR101132531B1 (ko) | 2007-11-14 | 2007-11-14 | 서로 마주 보는 트랜스듀서를 구비하는 초음파 진단 장치 |
KR10-2007-0116168 | 2007-11-14 |
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JP2009119275A JP2009119275A (ja) | 2009-06-04 |
JP5371386B2 true JP5371386B2 (ja) | 2013-12-18 |
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JP2008292108A Expired - Fee Related JP5371386B2 (ja) | 2007-11-14 | 2008-11-14 | 互いに対向するトランスデューサを備える超音波診断装置 |
Country Status (4)
Country | Link |
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US (1) | US20090131797A1 (ja) |
EP (1) | EP2060930B1 (ja) |
JP (1) | JP5371386B2 (ja) |
KR (1) | KR101132531B1 (ja) |
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JP5616232B2 (ja) * | 2007-12-17 | 2014-10-29 | コーニンクレッカ フィリップス エヌ ヴェ | 弾性イメージングにおけるひずみ利得補償の方法およびシステム |
WO2010120907A2 (en) | 2009-04-14 | 2010-10-21 | Maui Imaging, Inc. | Multiple aperture ultrasound array alignment fixture |
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KR102103137B1 (ko) | 2012-03-26 | 2020-04-22 | 마우이 이미징, 인코포레이티드 | 가중 인자들을 적용함으로써 초음파 이미지 품질을 향상시키는 시스템들 및 방법들 |
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2007
- 2007-11-14 KR KR1020070116168A patent/KR101132531B1/ko active IP Right Grant
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2008
- 2008-11-14 US US12/271,753 patent/US20090131797A1/en not_active Abandoned
- 2008-11-14 EP EP08019896A patent/EP2060930B1/en active Active
- 2008-11-14 JP JP2008292108A patent/JP5371386B2/ja not_active Expired - Fee Related
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US20090131797A1 (en) | 2009-05-21 |
KR20090049845A (ko) | 2009-05-19 |
EP2060930A1 (en) | 2009-05-20 |
KR101132531B1 (ko) | 2012-04-03 |
JP2009119275A (ja) | 2009-06-04 |
EP2060930B1 (en) | 2012-10-17 |
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