JP2009034533A - 携帯型超音波装置及び該診断装置 - Google Patents
携帯型超音波装置及び該診断装置 Download PDFInfo
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Abstract
【解決手段】4つのエイシック上に製造され、Bモード、ドップラー画像処理その他の多くの機能を実行可能であり、装置は単一ユニット、又は二ユニットとして製造され、表示ユニットを持ったまま、あるいは適当な位置に置いたままで映像を観察できる。アレ−変換器および、エコーを発信し、受信する該アレー変換器素子に接続するトランシーバ回路および該トランシーバ回路に接続し、超音波発信を制御し、遅延させ、そしてアレー変換器素子が受信したエコー信号を結合して超音波ビームを形成するビーム形成器からなり、これらが1つの収容容器内に配設されている携帯型超音波診断装置。
【選択図】図1
Description
Claims (39)
- 収納容器; 該収納容器内に位置し、音響窓から患者にアクセスするアレ−変換器; 該収納容器内に位置し、該アレー変換器の素子を駆動して超音波を発信し、かつ該素子のエコーを受信する該素子に接続するトランシーバ回路; および該収納容器内に位置し、該トランシーバ回路に接続し、該アレ−変換器による超音波発信を制御し、遅延させ、そして該アレー変換器の該素子が受信したエコー信号を結合し、超音波ビームを形成するビーム形成器からなる携帯型超音波装置。
- 該トランシーバ回路が集積回路上に製造される請求項1の携帯型超音波装置。
- 該ビーム形成器が集積回路上に製造される請求項2の携帯型超音波装置。
- 該トランシーバ回路が、該ビーム形成器に応答し、該変換器素子を選択して駆動する変換器素子ドライバおよび、該変換器素子ドライバ,該変換器素子、および該ビーム形成器に接続し、交互に該変換器素子を該ドライバによって駆動させ、かつ該ビーム形成器用のエコー信号を受信させるマルチプレクサ回路を有する請求項3の携帯型超音波装置。
- 該マルチプレクサ回路が,選択された1つの該変換器素子に該ドライバからの駆動信号を送る、多数の該変換器素子と変換器素子ドライバの間を接続する発信マルチプレクサ、および該変換器素子の1つが受信したエコー信号を該ビーム形成器に送る、該ビーム形成器と多数の変換器素子の間を接続する受信マルチプレクサからなる請求項4の携帯型超音波装置。
- さらに、各ドライバからの駆動信号を選択された変換器素子に送るために、それぞれが多数の該変換器素子と変換器素子ドライバの間を接続する多数の発信マルチプレクサからなり、ここに該発信マルチプレクサが該アレー変換器の発信開口を決定する変換器開口選択信号に応答する請求項5の携帯型超音波装置。
- 該アレー変換器が、隣接した変換器素子のグループによってそれぞれが形成された複数の発信開口を有し、ここに、該隣接した変換器素子のグループの各素子が、該多数の発信マルチプレクサのそれぞれ1つに接続し、これによって、グループの該変換器が、超音波発信シーケンスの間、該複数の発信マルチプレクサにより全て駆動される請求項6の携帯型超音波装置。
- さらに、先に発信されたビームのエコー信号を受信する一方、1つの発信ビーム用の該変換器開口選択信号を受けるための、該発信マルチプレクサに接続するデータ記憶装置からなる請求項6の携帯型超音波装置。
- さらに、それぞれが多数の変換器素子と該ビーム形成器の間を接続する多数の受信マルチプレクサからなり、ここに該受信マルチプレクサが,該変換器の選択された素子が受信したエコー信号を該ビーム形成器に送る変換器開口選択信号に応答して超音波ビームを作成する請求項5の携帯型超音波装置。
- 該アレ−変換器が、それぞれが隣接した変換器素子のグループによって形成された複数の受信開口を有し、ここに該隣接した変換器素子のグループのそれぞれの素子が、該多数の受信マルチプレクサのそれぞれ1つに接続し、これによって超音波走査線を受信する一方、グループの変換器により受信されたエコー信号が全て該多数の受信マルチプレクサによって該ビーム形成器に転送される請求項9の携帯型超音波装置。
- さらに、先に発信された走査線のエコー信号を受信する一方、1つの走査線用の該変換器開口選択信号を受信するための、該受信マルチプレクサに接続するデータ記憶装置を有する請求項9の携帯型超音波装置。
- 該受信マルチプレクサが接続されて組合せ受信開口を形成する請求項9の携帯型超音波装置。
- 該受信マルチプレクサの対が、同じ受信位相のエコー信号を受信する異なる変換器素子に接続し; そしてここに、ビーム形成において遅延される前に、それぞれの対の2つの受信マルチプレクサによって受信されるエコー信号が結合される請求項12の携帯型超音波装置。
- 該トランシーバ回路が、該ビーム形成器に応答し、該変換器素子に接続し、ビーム形成器は超音波発信するために該変換器素子を駆動させる高電圧マルチプレクサ回路を有する、請求項3の携帯型超音波装置。
- エコー走査線受信の間、該エコー信号に適用される利得を制御するための受信エコー信号に接続する時間利得制御回路を、さらに該トランシーバ回路が有する請求項2の携帯型超音波装置。
- 時間利得制御回路が、1番目と2番目の縦列TGC増幅器を有する請求項15の携帯型超音波装置。
- さらに、該アレ−変換器の該素子が受信したエコー信号をフィルタ処理するために接続する帯域通過フィルタ回路からなる請求項1の携帯型超音波装置。
- さらに、該アレー変換器の該素子が受信したエコー信号をフィルタ処理する該トランシーバ回路の集積回路に接続する帯域通過フィルタ回路からなる請求項2の携帯型超音波装置。
- 該帯域通過フィルタ回路がさらに、エコー電流信号をエコー電圧信号に変換するための手段を含む請求項2の携帯型超音波装置。
- 収納容器; 該収納容器内に位置し、音響窓を通じて患者にアクセスするアレ−変換器; 該収納容器内の該アレー変換器のすぐ後に位置し、該アレー変換器の素子に接続し、超音波を発信するために該素子を駆動し、該素子からのエコーを受信するトランシーバ回路; および、該収納容器内に位置し、該トランシーバ回路に接続する、該アレ−変換器により超音波の発信を制御し、超音波ビームを形成するために該アレー変換器の該素子により受信されたエコー信号を遅延させ、結合させるビーム形成器、からなる携帯型超音波装置。
- トランシーバ回路が、集積回路形式で製造される請求項20の携帯型超音波装置。
- 該ビーム形成器がディジタルビーム形成器である請求項21の携帯型超音波装置。
- 該アレ−変換器が、曲面リニアアレ−変換器である請求項20の携帯型超音波装置。
- アレ−変換器、ビーム形成器、および、駆動信号を該変換器アレーの素子に、そして該変換器アレーの素子からのエコー信号を該ビーム形成器のチャネルに多重化する該アレー変換器と該ビーム形成器に接続する発信/受信集積回路からなる超音波画像処理装置であって、該集積回路上に位置し、駆動命令信号に応答し、該変換器素子の個々の素子に接続する出力を有し、該アレー変換器の素子を選択的に駆動するための多数の発信マルチプレクサ、該集積回路上に位置し、該ビーム形成器のチャネルに接続するエコーデータバス、該集積回路上に位置し、個々の該変換器素子に接続し、該エコーデータバスに接続する出力を有し、該変換器素子により受信されたエコー信号を該ビーム形成器のチャネルに選択的に導く多数の受信マルチプレクサからなる、超音波画像処理装置。
- さらに、該集積回路上に位置し、受信エコー信号を可変的に増幅するための多数のTGC増幅器からなる請求項24の超音波画像処理装置。
- さらに、該集積回路上に位置し、該マルチプレクサに接続し、制御信号を該マルチプレクサに適用するための制御レジスタからなる請求項24の超音波画像処理装置。
- さらに、該アレー変換器と該ビーム形成器に接続し、N:1,1:M構造を有し、ここにNが該変換器アレ−の開口素子の数で割られた該変換器アレ−素子の数であり、そしてMはビーム形成器のチャネルの数である、1または2以上の該発信/受信集積回路からなる請求項24の超音波画像処理装置。
- 該変換器アレ−が128の素子を有する請求項27の超音波画像処理装置。
- Mが8の整数倍数である請求項28の超音波画像処理装置。
- Mが16と等しい請求項29の超音波画像処理装置。
- 開口を形成している変換器素子の数が64である請求項29の超音波画像処理装置。
- さらに、2つの該変換器素子が受信したエコー信号を該データバスの共通ラインに導く手段からなる請求項24の超音波画像処理装置。
- 該導く手段が、ビーム形成のための組合せ開口を形成する手段からなる請求項32の超音波画像処理装置。
- 該導く手段が、ビーム形成の前に、隣接変換器素子により受信されたエコー信号を結合する手段からなる請求項32の超音波画像処理装置。
- さらに、ファインピッチ発信開口を形成するために該発信マルチプレクサを制御する手段、および1または2以上の粗いピッチの受信開口、組合せ開口、または合成開口を形成するために、該受信マルチプレクサを制御する手段からなる請求項24の超音波画像処理装置。
- 多数の変換器素子を有する超音波アレ−変換器、該変換器による超音波の発信を制御し、該変換器によるエコー信号の受信に応答する発信/受信集積回路を有する超音波診断画像処理装置において、該集積回路上に位置し、該変換器素子のそれぞれ1つに接続する出力を有し、操作されるかまたは焦点合わせされた超音波を発信するために該変換器素子を選択的に駆動するための、多数の変換器パルサ; および該集積回路に位置し、該変換器素子のそれぞれ1つに接続する入力を有し、該それぞれの変換器素子からのエコー信号を受信するための、複数のレシーバからなる超音波診断画像処理装置。
- 該レシーバが、該それぞれの変換器素子から受信されたエコー信号を増幅する複数の増幅器からなる請求項36の超音波診断画像処理装置。
- 該レシーバがさらに、該それぞれの変換器素子が受信したエコー信号を受信ビーム形成器のチャネルに転送する手段からなる請求項36の超音波診断画像処理装置。
- 該変換器パルサが、操作され又は焦点合わせされた超音波を発信するために、該変換器素子を選択的に駆動する発信ビーム形成器により与えられた信号に応答する複数の入力を有する請求項38の超音波診断画像処理装置。
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Also Published As
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EP0875203B1 (en) | 2005-06-15 |
CN100337594C (zh) | 2007-09-19 |
NO981475L (no) | 1998-10-05 |
EP0875203A3 (en) | 1999-12-22 |
NO981475D0 (no) | 1998-04-01 |
CN1242978A (zh) | 2000-02-02 |
BR9801212A (pt) | 1999-06-29 |
KR19980081072A (ko) | 1998-11-25 |
KR100532359B1 (ko) | 2006-01-27 |
JP4696150B2 (ja) | 2011-06-08 |
AU5971898A (en) | 1998-10-08 |
NO326814B1 (no) | 2009-02-23 |
DE69830539T2 (de) | 2006-05-11 |
JPH10277035A (ja) | 1998-10-20 |
US5893363A (en) | 1999-04-13 |
ATE297688T1 (de) | 2005-07-15 |
EP0875203A2 (en) | 1998-11-04 |
AU727381B2 (en) | 2000-12-14 |
DE69830539D1 (de) | 2005-07-21 |
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