JP2009545406A5 - - Google Patents

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JP2009545406A5
JP2009545406A5 JP2009523047A JP2009523047A JP2009545406A5 JP 2009545406 A5 JP2009545406 A5 JP 2009545406A5 JP 2009523047 A JP2009523047 A JP 2009523047A JP 2009523047 A JP2009523047 A JP 2009523047A JP 2009545406 A5 JP2009545406 A5 JP 2009545406A5
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transducer
ultrasonic
response
echo signal
imaging
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JP5154554B2 (ja
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Priority claimed from PCT/US2007/074996 external-priority patent/WO2008016992A1/en
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Claims (18)

  1. 超音波で画像化する装置であって、
    極性が交互の超音波励起パルスを送信し、また、前記励起信号に応答して超音波エコー信号を受け取るように構成され且つ配置された超音波変換器と、
    受け取った前記超音波エコー信号を受け取り、且つこれに重み付け方式を適用するため、超音波変換器に連結された手段とを有し、前記重み付け方式は、次式、即ち、
    Figure 2009545406
    によって与えられ、上式において、tは、1ずつ増える加算指数であり、P+/-及びP-/+は、互いに逆の極性の励起パルスに応答したエコー信号であり、nは、2以上である加算上限であり、a、b、cは、重み付け係数である装置。
  2. nは、3以上である、請求項1記載の装置。
  3. a,b,cは、それぞれ、1、2、1に等しい、請求項1記載の装置。
  4. 前記受け取ったエコー信号は、高調波応答を含む、請求項1記載の装置。
  5. 前記受け取ったエコー信号は、低調波応答を含む、請求項1記載の装置。
  6. 前記受け取ったエコー信号は、超高調波応答(ultraharmonic response)を含む、請求項1記載の装置。
  7. 前記超音波変換器は、カテーテル利用型超音波変換器である、請求項1記載の装置。
  8. 関心のある部位を画像化するように、前記変換器を機械的に走査するための手段を更に有する、請求7項記載の装置。
  9. 前記励起パルスは、15MHz以上の搬送周波数で送信される、請求項1記載の装置。
  10. 前記励起パルスは、20MHz以上の搬送周波数で送信される、請求項1記載の装置。
  11. 前記変換器を機械的に走査する手段は、前記変換器を回転させる手段を有する、請求項7記載の装置。
  12. 前記変換器は、変換器アレイを有し、更に、前記装置は、
    前記変換器アレイを機械的に動かす手段と、
    前記変換器アレイを動かしているときに前記変換器アレイにより複数の2次元画像を得る手段と、
    3次元画像を形成するように、前記複数の2次元画像を組み合わせるための手段と、を更に有する、請求項1記載の装置。
  13. 前記変換器は単一変換器要素を有し、更に、前記装置は、
    前記単一変換器要素を機械的に動かす手段と、
    前記単一変換器要素を動かしているときに前記単一変換器要素により複数の2次元画像を得る手段と、
    3次元画像を形成するように、前記複数の2次元画像を組み合わせるための手段と、を更に有する、請求項1記載の装置。
  14. 気泡破壊イメージング技術を用いるように構成された、請求項1記載の装置。
  15. 2周波数イメージング技術を用いるように構成された、請求項1記載の装置。
  16. 反復率イメージング技術を用いる用に構成された、請求項1記載の装置。
  17. 気泡記憶イメージング技術を用いるように構成された、請求項1記載の装置。
  18. 気泡破壊イメージング技術、2周波数イメージング技術、反復率イメージング技術、気泡記憶イメージング技術、又はこれらの組合せを用いて画像化するように構成された、請求項1記載の装置。
JP2009523047A 2006-08-01 2007-08-01 非線形イメージングのためのパルスインバージョンシーケンス Expired - Fee Related JP5154554B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US82110606P 2006-08-01 2006-08-01
US60/821,106 2006-08-01
US82486206P 2006-09-07 2006-09-07
US60/824,862 2006-09-07
PCT/US2007/074996 WO2008016992A1 (en) 2006-08-01 2007-08-01 Pulse inversion sequences for nonlinear imaging

Publications (3)

Publication Number Publication Date
JP2009545406A JP2009545406A (ja) 2009-12-24
JP2009545406A5 true JP2009545406A5 (ja) 2010-09-16
JP5154554B2 JP5154554B2 (ja) 2013-02-27

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US (1) US7967753B2 (ja)
EP (1) EP2076179B1 (ja)
JP (1) JP5154554B2 (ja)
CA (1) CA2659645C (ja)
WO (1) WO2008016992A1 (ja)

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