JP7096237B2 - 信号チャネル数が少ない管腔内撮像デバイス - Google Patents
信号チャネル数が少ない管腔内撮像デバイス Download PDFInfo
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- A—HUMAN NECESSITIES
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
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- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/445—Details of catheter construction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- 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
- A61B8/4488—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/461—Displaying means of special interest
- A61B8/466—Displaying means of special interest adapted to display 3D data
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/56—Details of data transmission or power supply
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
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- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
- G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
- G01S15/8927—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array using simultaneously or sequentially two or more subarrays or subapertures
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Description
本願は、2016年10月3日に出願された米国仮特許出願第62/403,311号及び2016年12月22日に出願された米国仮特許出願第62/437,778号の利益及び優先権を主張し、これらは参照することによりその全体が組み込まれる。
τ=dsinθ/v
ここで、dはサブアレイの最大寸法であり、θは最大ビームステアリング角であり、vは撮像される物体内の音速である。幾つかの実施例では、撮像素子サブアレイ420の面積は、その寸法の二乗に比例するので、最大サブアレイ面積Aは、利用可能な遅延の二乗に比例する。
A∝τ2
個々の撮像素子サブアレイ420それぞれの面積が大きいほど、音響アパーチャ全体、即ち、撮像素子アレイ302全体をカバーするのに必要となるサブアレイの数は少なくなる。幾つかの実施例では、各撮像素子サブアレイ420は、素線を通して1本の信号線を供給するので、ケーブルに必要な超音波信号線の数Nは、利用可能な遅延の二乗に反比例する。
N∝1/τ2
Claims (14)
- 管腔内撮像デバイス用の撮像アセンブリであって、
前記管腔内撮像デバイスの遠位部に配置され、複数のサブアレイに配列される複数の撮像素子を含む撮像アレイと、
前記管腔内撮像デバイスの前記遠位部に配置され、前記複数のサブアレイのうちの少なくとも2つのサブアレイの撮像素子から受信される信号を個別にビーム形成する複数のマイクロチャネルを含み、前記撮像アレイが取り付けられたマイクロビームフォーマ集積回路と、
前記マイクロビームフォーマ集積回路に結合される2本以上の信号線と、
を含み、
各信号線は、前記少なくとも2つのサブアレイのうちの1つのサブアレイに対応して、対応する前記サブアレイに特有のビーム形成信号を受信し、
前記複数のマイクロチャネルそれぞれは、前記サブアレイの前記撮像素子から受信される前記信号の整列のための、前記サブアレイのサイズ及び最大ビームステアリング角に依存した最大遅延量を実現する被制御可変遅延素子を含む、撮像アセンブリ。 - 前記撮像素子は、超音波トランスデューサである、請求項1に記載の撮像アセンブリ。
- 前記撮像アレイは、2次元アレイである、請求項1に記載の撮像アセンブリ。
- 前記2本以上の信号線を含むケーブルを更に含み、前記ケーブルは更に、前記マイクロビームフォーマ集積回路に給電するための1本以上の電力線を含む、請求項1に記載の撮像アセンブリ。
- 前記ケーブルは更に、前記マイクロビームフォーマ集積回路に制御信号を通信するための1つ以上の制御線を含む、請求項4に記載の撮像アセンブリ。
- 前記管腔内撮像デバイスは、2D画像及び3D画像を生成する、請求項1に記載の撮像アセンブリ。
- 前記撮像アセンブリは、前記2本以上の信号線を含むケーブルを更に含み、512個を超える素子のアレイを含み、前記ケーブルは、合計で16本以下の信号線を含む、請求項1に記載の撮像アセンブリ。
- 前記ケーブルは、前記信号線、電力線、及び制御線を含む、合計で30本以下の線を含む、請求項7に記載の撮像アセンブリ。
- 前記2本以上の信号線を含むケーブルを更に含み、前記ケーブルは、前記マイクロビームフォーマ集積回路に直接結合される、請求項1に記載の撮像アセンブリ。
- 前記2本以上の信号線を含むケーブルを更に含み、前記ケーブルは、前記マイクロビームフォーマ集積回路に結合されるインターポーザに結合される、請求項1に記載の撮像アセンブリ。
- 前記インターポーザは、前記マイクロビームフォーマ集積回路にワイヤボンディングされる、請求項10に記載の撮像アセンブリ。
- 複数の前記被制御可変遅延素子は、撮像素子の前記少なくとも2つのサブアレイそれぞれの前記複数の撮像素子についてビーム形成を行うように使用される、請求項1に記載の撮像アセンブリ。
- 前記複数の被制御可変遅延素子は、電荷結合素子、アナログランダムアクセスメモリ又はタップ付きアナログ遅延線の少なくとも1つを含む、請求項12に記載の撮像アセンブリ。
- 管腔内撮像システムのトランスデューサアレイであって、
複数のサブアレイに配列される複数の撮像素子と、
ビームフォーマと、
を含み、
前記複数の撮像素子及び前記ビームフォーマは、前記管腔内撮像システムのカテーテルの遠位部に配置され、
前記複数の撮像素子は、前記ビームフォーマに取り付けられ、
前記ビームフォーマは、
被制御可変遅延素子をそれぞれ含む複数のマイクロチャネルと、
信号線と、
を含み、
前記複数のマイクロチャネルそれぞれの前記被制御可変遅延素子は、前記サブアレイのサイズ及び最大ビームステアリング角に依存した最大遅延量を実現して、前記サブアレイの前記撮像素子からの信号を整列させ、
前記信号線は、整列された前記信号を受信し、前記管腔内撮像システムに送信する、トランスデューサアレイ。
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US201662403311P | 2016-10-03 | 2016-10-03 | |
US62/403,311 | 2016-10-03 | ||
US201662437778P | 2016-12-22 | 2016-12-22 | |
US62/437,778 | 2016-12-22 | ||
PCT/EP2017/074278 WO2018065254A1 (en) | 2016-10-03 | 2017-09-26 | Intraluminal imaging devices with a reduced number of signal channels |
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JP2019528975A JP2019528975A (ja) | 2019-10-17 |
JP2019528975A5 JP2019528975A5 (ja) | 2020-11-12 |
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US (2) | US11911217B2 (ja) |
EP (1) | EP3518774B1 (ja) |
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CA3110612A1 (en) | 2018-08-31 | 2020-03-05 | The College Of The Holy & Undivided Trinity Of Queen Elizabeth | Ultrasound based three-dimensional lesion verification within a vasculature |
MX2023000625A (es) | 2020-07-14 | 2023-02-22 | Chong Kun Dang Pharmaceutical Corp | Nuevos compuestos como inhibidor de histona desacetilasa 6, y composicion farmaceutica que los comprende. |
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JP2013184064A (ja) | 2012-03-09 | 2013-09-19 | Oldelft Bv | 超音波イメージングデバイスに使用される超音波トランスデューサを製造する方法、およびその方法によって製造された超音波トランスデューサおよび超音波プローブ |
WO2015150385A2 (en) | 2014-03-31 | 2015-10-08 | Koninklijke Philips N.V. | Ic die, ultrasound probe, ultrasonic diagnostic system and method |
WO2016097959A1 (en) | 2014-12-15 | 2016-06-23 | Koninklijke Philips N.V. | Compact ultrasound transducer with direct coax attachment |
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US20240188931A1 (en) | 2024-06-13 |
JP2019528975A (ja) | 2019-10-17 |
WO2018065254A1 (en) | 2018-04-12 |
EP3518774A1 (en) | 2019-08-07 |
US20200214670A1 (en) | 2020-07-09 |
US11911217B2 (en) | 2024-02-27 |
EP3518774B1 (en) | 2021-09-01 |
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