JP2002539877A5 - - Google Patents

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JP2002539877A5
JP2002539877A5 JP2000607530A JP2000607530A JP2002539877A5 JP 2002539877 A5 JP2002539877 A5 JP 2002539877A5 JP 2000607530 A JP2000607530 A JP 2000607530A JP 2000607530 A JP2000607530 A JP 2000607530A JP 2002539877 A5 JP2002539877 A5 JP 2002539877A5
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pulse
operates
transmit
code
compression
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JP2002539877A (ja
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Priority claimed from US09/283,346 external-priority patent/US6213947B1/en
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【特許請求の範囲】
【請求項１】 ａ）符号化された超音波送信ビームを体内に送出し、
ｂ）当該送信ビームに応じて、身体から受信信号を獲得し、
ｃ）パルス圧縮関数によって特徴付けられる圧縮フィルタに当該受信信号を与え、そして
ｄ）イメージングモードで当該圧縮フィルタによって発生された圧縮受信信号をイメージ処理するステップを含み、
当該送信ビームが、それぞれのトランスジューサアパーチャ全体で空間的に一定の位相変調関数によって特徴付けられ、そして、
イメージングモードが、自動相関処理を用いたカラードップラーイメージング，パルス反転高調波ドップラーイメージング、スペクトルドップラーイメージング、ひずみイメージング、及びこれらの組合せを含む群から選択される医療診断超音波イメージング方法。
【請求項２】 第１コードで変調された第１セットのコード化された送信波形を発生するように作動し、第１送信ビームの方向に沿って第１送信ビームを形成するようにタイミングをとる少なくとも１つの第１パルス発生器と、
第２コードで変調された第２セットのコード化された送信波形を発生するように作動し、前記第１送信ビームの方向から空間的に異なる第２送信ビームの方向に沿って第２送信ビームを形成するようにタイミングをとる少なくとも１つの第２パルス発生器と、
前記第１及び第２パルス発生器のそれぞれと結合し、前記第１及び第２セットの非線形の位相変調送信波形の両方の発生を開始するように作動するコントローラと、
前記第１及び第２パルス発生の選択された１つと結合された複数のトランスジューサエレメントを備えたトランスジューサプローブと、
前記トランスジューサエレメントと結合された受信機であってそれぞれ異なる第１及び第２パルス圧縮関数により特徴づけられた第１及び第２圧縮フィルタを備えた受信機と、
を備えている医療診断超音波イメージングシステム。
【請求項３】 第１コードで変調された第１セットのコード化された送信波形を発生するように作動し、主要焦点で第１送信ビームを発生するようにタイミングをとる少なくとも１つの第１パルス発生器と、
前記第１コードとは異なる第２コードで変調された第２セットのコード化された送信波形を発生するように作動し、同様の焦点で第２送信ビームを形成するようにタイミングをとる少なくとも１つの第２パルス発生器と、
前記第１及び第２パルス発生器のそれぞれと結合し、前記第１及び第２セットのコード化された送信波形の両方の発生を開始するように作動するコントローラと、
前記第１及び第２パルス発生の選択された１つと結合された複数のトランスジューサエレメントを備えたトランスジューサプローブと、
前記トランスジューサエレメントと結合された受信機であってそれぞれ異なる第１及び第２パルス圧縮関数により特徴づけられた第１及び第２圧縮フィルタを備えた受信機と、
を備えている医療診断超音波イメージングシステム。
JP2000607530A 1999-03-31 2000-03-28 コード化送信パルスを用いた医療診断用超音波イメージングシステム Pending JP2002539877A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/283,346 US6213947B1 (en) 1999-03-31 1999-03-31 Medical diagnostic ultrasonic imaging system using coded transmit pulses
US09/283,346 1999-03-31
PCT/US2000/008188 WO2000057769A2 (en) 1999-03-31 2000-03-28 Ultrasonic imaging system using coded transmit pulses

Publications (2)

Publication Number Publication Date
JP2002539877A JP2002539877A (ja) 2002-11-26
JP2002539877A5 true JP2002539877A5 (ja) 2007-05-31

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JP2000607530A Pending JP2002539877A (ja) 1999-03-31 2000-03-28 コード化送信パルスを用いた医療診断用超音波イメージングシステム

Country Status (5)

Country Link
US (1) US6213947B1 (ja)
JP (1) JP2002539877A (ja)
AU (1) AU4037500A (ja)
DE (1) DE10084420T1 (ja)
WO (1) WO2000057769A2 (ja)

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