JP6694061B2 - 折り畳み可能な2次元cmut−on−cmosアレイ - Google Patents
折り畳み可能な2次元cmut−on−cmosアレイ Download PDFInfo
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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
- A61B8/12—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
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4245—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient
- A61B8/4254—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient using sensors mounted on the probe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61B8/4477—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device using several separate ultrasound transducers or probes
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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
- A61B8/4494—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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- 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
- G01S15/8913—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using separate transducers for transmission and reception
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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
- G01S15/8925—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
- G01S15/8929—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a three-dimensional transducer configuration
-
- 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
- G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
-
- 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
- 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
- G01S7/52017—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
- G01S7/52079—Constructional features
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/0011—Manufacturing of endoscope parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
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Description
体腔内に挿入されるように構成され、第1の内腔直径および遠位開口を有する第1の内腔を有する、挿入チューブと、
第2の内腔および前記第1の内腔直径よりも小さい外径を有し、前記第1の内腔に挿入される管状のチャネルと、
支持構造であって、折り畳まれた状態で前記挿入チューブの内壁と前記管状のチャネルの外壁との間の空間を通じて前記遠位開口へ通されるよう構成されると共に、前記遠位開口を通じて前記支持構造が出ると、前記第1の内腔を横切る方向に展開して前記第1の内腔直径よりも大きい支持寸法に至るように構成されている、支持構造と、
前記支持構造によって支持された超音波トランスデューサの複数の平面状の2次元(2D)アレイであって、前記第1の内腔直径よりも小さい横方向寸法を有する、複数の平面状の2Dアレイと、を備える。
別の実施形態において、前記支持構造の展開された状態において、前記支持構造の近位端が前記管状チャネルを完全に取り囲む。
第1の内腔直径および遠位開口を有する第1の内腔を有する挿入チューブを体腔内に挿入するステップと、
第2の内腔と前記第1の内腔直径よりも小さいチャネル外径とを有する管状チャネルを第1の内腔に挿入するステップと、
前記挿入チューブの内壁と前記管状チャネルの外壁との間の空間を介して支持構造を折り畳んだ状態で前記遠位開口に通すステップと、
前記第1の内腔直径よりも大きい支持寸法に達するように、前記遠位開口を通って出た前記支持構造体を前記第1の内腔を横切る方向に展開させるステップと、
前記支持構造によって超音波トランスデューサの複数の平面状の2次元(2D)アレイを支持するステップであって、前記複数の平面状の2Dアレイは、前記第1の内腔直径よりも小さい横方向寸法を有する、ステップと、を含む。
市販および研究段階の双方の心臓内超音波検査(ICE)システムにおいて著しい進展が生じているが、結果として得られる画質は、7F−10F直径のICEカテーテルの物理的な寸法によって根本的に制限されている。ICEカテーテルは、心臓への干渉を補助するため、解剖学的特徴における好ましい視点が得られるように操縦することができるが、代表的には、その遠位端は、1次元(1D)または2次元(2D)の圧電超音波撮像アレイを担持する1〜1.5cmの長い剛性の先端となっている。これらの圧電トランスデューサアレイは、代表的には単一の材料ブロックから機械加工されるものであると共に、各アレイ要素を外部装置に別々に接続する複雑な相互接続を有する裏当て構造を有しているため、フレキシブルな先端とすることはできない。その結果、方位方向ではアレイは10mmまで大きくすることができるが、1Dアレイの仰角方向の寸法は2.3−3.3mmに制限される。このため、1Dアレイは、方位方向において良好な解像度を提供するが、仰角方向において解像度は約3倍悪くなる。寸法の制限はまた、撮像または治療目的のために設けられる総合音響出力を制限する。
以下の説明において、図面中の同様の要素には同様の番号が付され、必要に応じて識別番号に文字を付加することによって同様の要素の区別がなされる。
Claims (9)
- 体腔内に挿入されるように構成され、第1の内腔直径および遠位開口を有する第1の内腔を有する、挿入チューブと、
第2の内腔および前記第1の内腔直径よりも小さい外径を有し、前記第1の内腔に挿入される管状のチャネルと、
支持構造であって、折り畳まれた状態で前記挿入チューブの内壁と前記管状のチャネルの外壁との間の空間を通じて前記遠位開口へ通されるよう構成されると共に、前記遠位開口を通じて前記支持構造が出ると、前記第1の内腔を横切る方向に展開して前記第1の内腔直径よりも大きい支持寸法に至るように構成されている、支持構造と、
前記支持構造によって支持された超音波トランスデューサの複数の平面状の2次元(2D)アレイであって、前記複数の2Dアレイを前記挿入チューブ内に収めることができるように当該複数の2Dアレイのそれぞれは少なくとも一辺が前記第1の内腔直径よりも小さい、複数の平面状の2Dアレイと、
を備え、
前記支持構造は、前記第1の内腔の対称軸と平行な回転軸を有するヒンジによって側部が互いに接続されている2つの2D支持体を備え、
前記2つの2D支持体は、前記支持構造を展開された状態に配置するために、対抗方向に前記ヒンジの周りに回転し、
前記複数の平面状の2Dアレイは、前記2つの2D支持体にそれぞれ取り付けられた2つの2Dアレイを備え、
前記管状のチャネルは、前記折り畳まれた状態で前記2つの2D支持体の間に配置される、装置。 - 前記支持構造の展開された状態において、前記複数の2Dアレイは、単一平面内にある、請求項1に記載の装置。
- 前記単一平面の法線は、前記第1の内腔の対称軸に垂直である、請求項2に記載の装置。
- 少なくとも1つの前記2Dアレイに近接して固定配置された少なくとも1つのセンサを備え、前記少なくとも1つのセンサは、前記少なくとも1つの前記2Dアレイの位置および向きを提供する、請求項1に記載の装置。
- 前記アレイに電力を供給すると共に前記アレイから信号を取得するために、2Dアレイに電気的相互接続として直接接続された導電性ワイヤを備える、請求項1に記載の装置。
- 前記複数の2Dアレイが取り付けられたフレキシブル基板を備え、前記フレキシブル基板が前記支持構造に取り付けられている、請求項1に記載の装置。
- 前記アレイに電力を供給すると共に前記アレイから信号を取得するために、前記基板上に形成されて前記2Dアレイに電気的相互接続として接続された導電性トレースを備える、請求項6に記載の装置。
- 前記トランスデューサは、容量性マイクロマシン超音波トランスデューサ(CMUT)を備える、請求項1に記載の装置。
- 前記トランスデューサは、圧電マイクロマシン超音波トランスデューサ(pMUT)を備える、請求項1に記載の装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562248400P | 2015-10-30 | 2015-10-30 | |
| US62/248,400 | 2015-10-30 | ||
| PCT/US2016/058524 WO2017074875A1 (en) | 2015-10-30 | 2016-10-24 | Foldable 2-d cmut-on-cmos arrays |
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| Publication Number | Publication Date |
|---|---|
| JP2018531724A JP2018531724A (ja) | 2018-11-01 |
| JP6694061B2 true JP6694061B2 (ja) | 2020-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2018521520A Active JP6694061B2 (ja) | 2015-10-30 | 2016-10-24 | 折り畳み可能な2次元cmut−on−cmosアレイ |
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| Country | Link |
|---|---|
| US (1) | US11660073B2 (ja) |
| EP (1) | EP3367943B1 (ja) |
| JP (1) | JP6694061B2 (ja) |
| CN (1) | CN108135646B (ja) |
| AU (1) | AU2016343928B2 (ja) |
| CA (1) | CA2994309A1 (ja) |
| IL (1) | IL257686B (ja) |
| WO (1) | WO2017074875A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11660073B2 (en) | 2015-10-30 | 2023-05-30 | Georgia Tech Research Corporation | Foldable 2-D CMUT-on-CMOS arrays |
| JP7203824B2 (ja) | 2017-08-15 | 2023-01-13 | コーニンクレッカ フィリップス エヌ ヴェ | 周波数調整可能な管腔内超音波装置 |
| KR102607016B1 (ko) * | 2018-01-31 | 2023-11-29 | 삼성메디슨 주식회사 | 초음파 프로브 |
| JP2021525632A (ja) | 2018-05-31 | 2021-09-27 | マット・マクグラス・デザイン・アンド・カンパニー,リミテッド・ライアビリティー・カンパニーMatt Mcgrath Design & Co, Llc | 複数配列を使用する医用撮像方法 |
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| CN110871158B (zh) * | 2019-12-12 | 2025-01-07 | 深圳先进技术研究院 | 超声换能设备及超声换能器 |
| US11717258B2 (en) * | 2020-05-12 | 2023-08-08 | GE Precision Healthcare LLC | Methods and systems for a shape-changing invasive deployable device |
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-
2016
- 2016-10-24 US US15/333,035 patent/US11660073B2/en active Active
- 2016-10-24 EP EP16860572.3A patent/EP3367943B1/en active Active
- 2016-10-24 CN CN201680057152.2A patent/CN108135646B/zh active Active
- 2016-10-24 WO PCT/US2016/058524 patent/WO2017074875A1/en not_active Ceased
- 2016-10-24 JP JP2018521520A patent/JP6694061B2/ja active Active
- 2016-10-24 AU AU2016343928A patent/AU2016343928B2/en not_active Ceased
- 2016-10-24 CA CA2994309A patent/CA2994309A1/en active Pending
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| IL257686B (en) | 2021-08-31 |
| WO2017074875A1 (en) | 2017-05-04 |
| US20170119348A1 (en) | 2017-05-04 |
| IL257686A (en) | 2018-06-28 |
| US11660073B2 (en) | 2023-05-30 |
| EP3367943A4 (en) | 2019-07-24 |
| AU2016343928B2 (en) | 2021-01-28 |
| CA2994309A1 (en) | 2017-05-04 |
| CN108135646A (zh) | 2018-06-08 |
| JP2018531724A (ja) | 2018-11-01 |
| EP3367943B1 (en) | 2021-02-24 |
| AU2016343928A1 (en) | 2018-02-22 |
| CN108135646B (zh) | 2021-08-24 |
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