JP6199868B2 - 低コストトランスデューサアレイ用励起スキーム - Google Patents
低コストトランスデューサアレイ用励起スキーム Download PDFInfo
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- JP6199868B2 JP6199868B2 JP2014531353A JP2014531353A JP6199868B2 JP 6199868 B2 JP6199868 B2 JP 6199868B2 JP 2014531353 A JP2014531353 A JP 2014531353A JP 2014531353 A JP2014531353 A JP 2014531353A JP 6199868 B2 JP6199868 B2 JP 6199868B2
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Images
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- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0866—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving foetal diagnosis; pre-natal or peri-natal diagnosis of the baby
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- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0891—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of blood vessels
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- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
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- 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
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- G01S15/88—Sonar systems specially adapted for specific applications
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- 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
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- 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
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- 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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- G—PHYSICS
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- 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
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Description
Claims (13)
- グループによる動作のために、複数のトランスデューサ素子のうちの多くの素子の部分に対応して一つ又はそれより多くのグループの間でそれぞれ割り当てるための前記複数のトランスデューサ素子のアレイと、
前記割り当てに基づいて、前記動作は、前記グループのうちの現在のグループの前記素子を用いて時間的に並行して、及びグループによって時間的に連続して、イメージングするように構成される超音波画像収集プロセッサと
を有する超音波装置であって、前記グループは相互に素子に関して互いにかみ合うように互いに対して空間的に配置され、時間的に並行してイメージングする前記動作は、非フェイズド態様で独立にイメージングするために前記グループのうちの前記現在のグループの前記素子を動作させることを有し、
前記プロセッサはさらに前記グループ分けを変更し、
前記変更が、その少なくとも一つがグループの素子間の、各自の最小非ゼロ素子間非隣接性度によって特徴付けられる、少なくとも二つの間隔状態の一方と他方との間の移行を有する、
超音波装置。 - 医用画像収集のため、及び血管のマップを形成する、前記動作を介したイメージングために構成され、前記アレイは前記動作のための非フェイズドアレイを有し、前記装置は前記イメージングにおいて使用されるビームをフォーカスするためにもステアリングするためにも前記一つ又はそれより多くのグループの前記素子のいずれも集合的に使用しない、請求項1に記載の装置。
- 前記独立のイメージングは前記グループのうちの前記現在のグループの前記素子を介したイメージングを有し、前記プロセッサは更に、前記独立のイメージングにおいて前記素子を介して、前記素子に空間的に対応するピクセルに関連するドップラパワーを測定し、前記装置は前記測定の結果に基づいて、前記ピクセルに関する有無を決定するために構成される、請求項1に記載の装置。
- 前記プロセッサは更に、前記イメージングを分析するため、及び前記分析の結果に基づいて前記変更を実行するために構成される、請求項1に記載の装置。
- 医用画像収集のため、及び血管サイズと血管深さとの少なくとも一つを示す入力に応答した自動的な前記移行のために構成される、請求項1に記載の装置。
- 前記現在のグループの前記素子が対応する幾何学的中心を持つ各面を持ち、前記装置が前記現在のグループの素子間の、最小非ゼロ素子間非隣接性度について構成され、当該最小値は前記幾何学的中心間の最小距離をあらわす、請求項1に記載の装置。
- 前記現在のグループの前記素子は一つ又はそれより多くのペアの素子を集合的に有し、前記装置は、前記最小距離が、前記一つ又はそれより多くのペアに対して、前記グループの別のものの一部の素子が前記ペア間に完全に介在するように仮想的にシフトされることを可能にするために十分であり、前記幾何学的中心が同一線上にない場合、前記対応する幾何学的中心を同一線上にする、請求項6に記載の装置。
- 前記現在のグループの前記素子は一つ又はそれより多くのペアの素子を集合的に有し、前記装置は、前記最小距離が、前記一つ又はそれより多くのペアに対して、前記グループの別の一つ又はそれより多くの一部の二素子が前記ペア間に集合的に介在するように仮想的にシフトされることを可能にするために十分であり、前記幾何学的中心が同一線上にない場合、前記対応する幾何学的中心を同一線上にする、請求項6に記載の装置。
- 前記現在のグループの素子が前記グループの別のものの少なくとも一つの各介在素子によってペアに関して分離される、請求項1に記載の装置。
- 前記グループが素子に関して相互排他的である、請求項1に記載の装置。
- 前記イメージングが医用イメージングを有し、前記装置は、一つよりも多くの前記グループの間の前記割り当てに基づく前記動作のために構成される、請求項1に記載の装置。
- 手持ち式の、スタンドアロンの診断装置が前記装置を有する、請求項1に記載の装置。
- トランスデューサ素子のうちの多くの素子の一つ又はそれより多くのグループにグループ分けされる前記トランスデューサ素子の非フェイズドアレイを有する超音波イメージング装置のためのコンピュータ可読媒体であって、前記媒体は、一連の動作を実行するためのプロセッサによって実行可能な命令を有し、その中でも前記動作が、
前記グループのうちの現在のグループの前記素子を用いて時間的に並行して、及びグループによって時間的に連続して、前記アレイを介してイメージングし、前記イメージングは素子に関して独立に実行され、当該グループはペアに関して、相互に素子に関して互いにかみ合うように互いに対して空間的に配置され、
前記プロセッサはさらに前記グループ分けを変更し、
前記変更が、その少なくとも一つがグループの素子間の、各自の最小非ゼロ素子間非隣接性度によって特徴付けられる、少なくとも二つの間隔状態の一方と他方との間の移行を有する、
コンピュータ可読媒体。
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US201161537668P | 2011-09-22 | 2011-09-22 | |
US61/537,668 | 2011-09-22 | ||
PCT/IB2012/054910 WO2013042029A1 (en) | 2011-09-22 | 2012-09-17 | Excitation schemes for low-cost transducer arrays |
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JP2014526362A JP2014526362A (ja) | 2014-10-06 |
JP2014526362A5 JP2014526362A5 (ja) | 2015-11-05 |
JP6199868B2 true JP6199868B2 (ja) | 2017-09-20 |
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US (1) | US9579078B2 (ja) |
EP (1) | EP2745138A1 (ja) |
JP (1) | JP6199868B2 (ja) |
CN (1) | CN103814305B (ja) |
BR (1) | BR112014006480A2 (ja) |
IN (1) | IN2014CN01873A (ja) |
MX (1) | MX2014003333A (ja) |
RU (1) | RU2640444C2 (ja) |
WO (1) | WO2013042029A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9282945B2 (en) | 2009-04-14 | 2016-03-15 | Maui Imaging, Inc. | Calibration of ultrasound probes |
US10226234B2 (en) | 2011-12-01 | 2019-03-12 | Maui Imaging, Inc. | Motion detection using ping-based and multiple aperture doppler ultrasound |
US9788813B2 (en) | 2010-10-13 | 2017-10-17 | Maui Imaging, Inc. | Multiple aperture probe internal apparatus and cable assemblies |
US9668714B2 (en) | 2010-04-14 | 2017-06-06 | Maui Imaging, Inc. | Systems and methods for improving ultrasound image quality by applying weighting factors |
JP6092109B2 (ja) | 2010-10-13 | 2017-03-08 | マウイ イマギング,インコーポレーテッド | 凹面超音波トランスデューサ及び3dアレイ |
US9265484B2 (en) | 2011-12-29 | 2016-02-23 | Maui Imaging, Inc. | M-mode ultrasound imaging of arbitrary paths |
CN104135937B (zh) | 2012-02-21 | 2017-03-29 | 毛伊图像公司 | 使用多孔超声确定材料刚度 |
CN104620128B (zh) | 2012-08-10 | 2017-06-23 | 毛伊图像公司 | 多孔径超声探头的校准 |
CN104582582B (zh) | 2012-08-21 | 2017-12-15 | 毛伊图像公司 | 超声成像系统存储器架构 |
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RU2640444C2 (ru) | 2018-01-09 |
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