JP4590609B2 - 超音波検査装置 - Google Patents
超音波検査装置 Download PDFInfo
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- JP4590609B2 JP4590609B2 JP2004063700A JP2004063700A JP4590609B2 JP 4590609 B2 JP4590609 B2 JP 4590609B2 JP 2004063700 A JP2004063700 A JP 2004063700A JP 2004063700 A JP2004063700 A JP 2004063700A JP 4590609 B2 JP4590609 B2 JP 4590609B2
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- 238000007689 inspection Methods 0.000 title claims description 11
- 230000017531 blood circulation Effects 0.000 claims description 32
- 238000004458 analytical method Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 8
- 230000000740 bleeding effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000002902 bimodal effect Effects 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000013507 mapping Methods 0.000 claims 1
- 230000002123 temporal effect Effects 0.000 claims 1
- 230000004217 heart function Effects 0.000 description 8
- 238000003745 diagnosis Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 210000005240 left ventricle Anatomy 0.000 description 5
- 230000000747 cardiac effect Effects 0.000 description 4
- 208000032843 Hemorrhage Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002405 diagnostic procedure Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000002861 ventricular Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 210000005242 cardiac chamber Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003205 diastolic effect Effects 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000005246 left atrium Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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Claims (1)
- 二次元に配列された複数の振動子を備え、送波振動子により連続波もしくは周期的な間隔で断続波を生体内に送波し、受波振動子により生体内からの反射波を受波する機能を有するプローブと、プローブにおける受波振動子個々に対応して設けけられているドプラ解析回路と、ドプラ解析回路個々に対応して設けられているADコンバータと、ADコンバータから得た前記受波振動子のドプラ情報をFFT(高速フーリエ変換)解析するデジタル回路とを有し、
生体内の血流に反射しドプラ変位を受けた反射波をプローブの受波振動子で受信した後、
ドプラ回路で変位周波数のみを検出して得た周波数情報を、ADコンバータでアナログ信号をデジタル信号に変換し、
デジタル回路にてフーリエ演算により周波数解析をおこなって、周波数情報から血流の速度情報を、信号強度から血流パワーを算出し、得られたFFT解析情報を表示器のある表示回路に転送するものであって、
表示回路では、転送されたFFT解析情報を、モニタ中の血流マッピングエリア内に、速度が速い順に色彩を変えてカラー表示で二次元表示し、
これと同時に、FFT解析情報の算出した血流の速度情報、血流パワーに基づく血流速度エネルギ総和の時系列変化波形を、前記二次元表示したモニタ中の時系列変化波形表示エリア内に表示すると共に、
これと同時に、血流速度エネルギ総和の時系列変化波形の一心拍分を空間方向に積分することによる心臓からの駆出血流を、前記二次元表示したモニタ中の駆出血流モニタエリア内にモニタ表示することで、
連続して表示する方法と、心電図のR波により同期をとり、一心拍における波形をそのままの波形で表示するか、心拍平均をとることにより時間的なばらつきを排除した2峰性の波形を表示することを特徴とする超音波連続波または、超音波断続波ドプラ法による超音波検査装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004063700A JP4590609B2 (ja) | 2004-03-08 | 2004-03-08 | 超音波検査装置 |
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JP2004063700A JP4590609B2 (ja) | 2004-03-08 | 2004-03-08 | 超音波検査装置 |
Publications (2)
Publication Number | Publication Date |
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JP2005245911A JP2005245911A (ja) | 2005-09-15 |
JP4590609B2 true JP4590609B2 (ja) | 2010-12-01 |
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JP2004063700A Expired - Lifetime JP4590609B2 (ja) | 2004-03-08 | 2004-03-08 | 超音波検査装置 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101517753B1 (ko) | 2012-10-29 | 2015-05-15 | 삼성메디슨 주식회사 | 초음파 영상에 관련된 복수의 파라미터들에 대한 값들을 동시에 디스플레이하기 위한 방법 및 장치 |
CN103793924A (zh) * | 2014-01-28 | 2014-05-14 | 河海大学 | 一种基于fht-cc的流场图像自适应运动矢量估计方法 |
JP7369637B2 (ja) * | 2020-02-18 | 2023-10-26 | 富士フイルムヘルスケア株式会社 | 超音波診断装置、方法およびプログラム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0866399A (ja) * | 1994-06-22 | 1996-03-12 | Toshiba Corp | 超音波診断装置 |
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- 2004-03-08 JP JP2004063700A patent/JP4590609B2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0866399A (ja) * | 1994-06-22 | 1996-03-12 | Toshiba Corp | 超音波診断装置 |
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