JP2010042266A - 超音波撮像装置および超音波撮像方法 - Google Patents
超音波撮像装置および超音波撮像方法 Download PDFInfo
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- JP2010042266A JP2010042266A JP2009221937A JP2009221937A JP2010042266A JP 2010042266 A JP2010042266 A JP 2010042266A JP 2009221937 A JP2009221937 A JP 2009221937A JP 2009221937 A JP2009221937 A JP 2009221937A JP 2010042266 A JP2010042266 A JP 2010042266A
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- 238000000034 method Methods 0.000 title claims description 16
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 238000003384 imaging method Methods 0.000 claims description 56
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- 230000002596 correlated effect Effects 0.000 abstract description 3
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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
-
- 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
-
- 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
- G01S7/52077—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 with means for elimination of unwanted signals, e.g. noise or interference
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Acoustics & Sound (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
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- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
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- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
【解決手段】画像合成手段を備えた超音波診断装置において、コントラスト分解能の向上と空間分解能の向上を両立させるため、合成する画像間で相関をとり、画像間の変位量を計算。変位量が大きい時は包絡線検波後の信号を合成し、変位量が小さい時はRF信号を合成する。もしくは、変位量に応じてミキシング周波数を可変とし、位置ずれの程度に応じて、空間分解能の向上とコントラスト分可能向上のバランスを取る。
【選択図】図2
Description
11…CPU
12…メモリ
13…ハードディスク
14…バス
21…入力装置
22…表示装置
23…送波ビームフォーマ
24…受波ビームフォーマ
31…送受分離器
32…超音波探触子。
Claims (2)
- 被検体に与えるべき送波超音波ビームを形成するための超音波パルス信号を送出し、前記被検体から反射された超音波パルス信号から形成された受波超音波ビームを受信する情報処理装置と、前記超音波パルス信号に応じて送波超音波ビームを形成するための送波超音波ビームフォーマと、該送波超音波ビームフォーマの出力を送受分離器を介して与えられて前記被検体に送波超音波ビームを送出する超音波探触子と、該超音波探触子に受信される前記被検体から反射された超音波パルス信号を送受分離器を介して与えられて前記受波超音波ビームを形成する受波ビームフォーマとよりなり、
前記情報処理装置は被検体に対して複数の角度方向から撮像した前記被検体のBモード画像データを合成し、合成画像を表示するためのプログラムを処理する処理部を備えるとともに、前記異なる角度での各フレームの前記受波超音波ビームを指定された参照周波数でヘテロダイン検波を行なう超音波撮像装置であって、前記参照周波数の指定が予め操作者が行なう操作により設定されることを特徴とする超音波撮像装置。 - 超音波探触子から超音波パルスを被検体に送信した結果、前記被検体から反射される超音波パルスから形成された受信超音波ビームに基づき、複数の角度方向から撮像した前記被検体のBモード画像データを合成し、合成画像を表示する情報処理装置による超音波撮像方法であって、
前記受波超音波ビームをヘテロダイン検波するための参照周波数の指定が可能であることを特徴とする超音波撮像方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009221937A JP5357684B2 (ja) | 2003-08-06 | 2009-09-28 | 超音波撮像装置および超音波撮像方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003206184 | 2003-08-06 | ||
| JP2003206184 | 2003-08-06 | ||
| JP2009221937A JP5357684B2 (ja) | 2003-08-06 | 2009-09-28 | 超音波撮像装置および超音波撮像方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005512903A Division JP4426530B2 (ja) | 2003-08-06 | 2004-06-09 | 超音波撮像装置および超音波撮像方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2010042266A true JP2010042266A (ja) | 2010-02-25 |
| JP5357684B2 JP5357684B2 (ja) | 2013-12-04 |
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| JP2009221937A Expired - Lifetime JP5357684B2 (ja) | 2003-08-06 | 2009-09-28 | 超音波撮像装置および超音波撮像方法 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2005512903A Expired - Fee Related JP4426530B2 (ja) | 2003-08-06 | 2004-06-09 | 超音波撮像装置および超音波撮像方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US7473226B2 (ja) |
| EP (1) | EP1652475B1 (ja) |
| JP (2) | JP4426530B2 (ja) |
| CN (1) | CN1805710A (ja) |
| WO (1) | WO2005013829A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023184056A (ja) * | 2022-06-17 | 2023-12-28 | 富士フイルムヘルスケア株式会社 | 超音波診断装置 |
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| EP2088932B1 (en) | 2006-10-25 | 2020-04-08 | Maui Imaging, Inc. | Method and apparatus to produce ultrasonic images using multiple apertures |
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| CN101438967B (zh) * | 2007-11-22 | 2012-09-05 | Ge医疗系统环球技术有限公司 | 超声成像设备 |
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| JP2012071115A (ja) * | 2010-08-30 | 2012-04-12 | Toshiba Corp | 超音波診断装置 |
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- 2004-06-09 WO PCT/JP2004/008391 patent/WO2005013829A1/ja not_active Ceased
- 2004-06-09 JP JP2005512903A patent/JP4426530B2/ja not_active Expired - Fee Related
- 2004-06-09 CN CNA2004800167273A patent/CN1805710A/zh active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5357684B2 (ja) | 2013-12-04 |
| EP1652475B1 (en) | 2016-08-31 |
| EP1652475A4 (en) | 2011-03-30 |
| JPWO2005013829A1 (ja) | 2006-09-28 |
| JP4426530B2 (ja) | 2010-03-03 |
| WO2005013829A1 (ja) | 2005-02-17 |
| US20060173334A1 (en) | 2006-08-03 |
| US8079956B2 (en) | 2011-12-20 |
| US20090118617A1 (en) | 2009-05-07 |
| CN1805710A (zh) | 2006-07-19 |
| EP1652475A1 (en) | 2006-05-03 |
| US7473226B2 (en) | 2009-01-06 |
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