JP2018510007A - 超音波イメージングシステムのトランスデューサ上に配置された膨潤性材料を備えるシステムおよび方法 - Google Patents
超音波イメージングシステムのトランスデューサ上に配置された膨潤性材料を備えるシステムおよび方法 Download PDFInfo
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Classifications
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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
-
- 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
- A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
- A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
-
- 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
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/445—Details of catheter construction
-
- 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
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- Health & Medical Sciences (AREA)
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- Surgery (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Acoustics & Sound (AREA)
- Gynecology & Obstetrics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
本発明は、超音波イメージングシステム並びに同システムの製造方法および使用方法に関する。本発明は、また、カテーテル内に配置されたトランスデューサおよびトランスデューサ上に配置された膨潤性材料を備える超音波イメージングシステムに関し、また、超音波システム、カテーテルおよびトランスデューサの製造方法および使用方法に関する。
Claims (15)
- 患者の心臓血管系に挿入されるように構成および配置され、遠位端、近位端および長手方向長さを有し、近位部と遠位部とを含むシースであって、同シースに沿って前記近位部から前記遠位部まで延びる内腔を画定する前記シースを有する長尺のカテーテルと、
前記カテーテルの前記内腔に挿入されるように構成および配置されたイメージングコアと、
を備え、
前記イメージングコアが、
近位端および遠位端を有する回転可能な長尺の駆動軸と、
前記駆動軸の前記遠位端に連結され、前記駆動軸の回転に起因して回転するように構成され、印加された電気信号の音響信号への変換および受信されたエコー信号の電気信号への変換を行うように構成および配置された少なくとも1つのトランスデューサを有するイメージング装置と、
少なくとも前記少なくとも1つのトランスデューサ上に配置され、前記駆動軸の回転に伴って回転し、流体に曝されると膨潤するように構成および配置され、任意に膨潤する膨潤性材料と、
を有する、超音波システムのためのカテーテルアセンブリ。 - 前記膨潤性材料が、水、生理食塩水、または血液のうちの少なくとも1つに曝されると膨潤するように構成および配置される、
請求項1に記載のカテーテルアセンブリ。 - 前記膨潤性材料がヒドロゲルである、
請求項1または2に記載のカテーテルアセンブリ。 - 前記膨潤性材料が、前記トランスデューサからの音響信号が前記トランスデューサから前記膨潤性材料を通って前記シースに直接入るように、膨張して前記トランスデューサと前記シースとの間の空間を直接満たすように構成および配置される、
請求項1〜3のいずれか一項に記載のカテーテルアセンブリ。 - 前記膨潤性材料が、前記イメージングコアに機械的にまたは化学的に取り付けられる、
請求項1〜4のいずれか一項に記載のカテーテルアセンブリ。 - 前記膨潤性材料が膨潤したときに滑らかである、
請求項1〜5のいずれか一項に記載のカテーテルアセンブリ。 - 前記駆動軸に連結された駆動ユニットをさらに備え、
前記駆動ユニットが、前記駆動軸の回転を制御するように構成および配置されている、
請求項1〜6のいずれか一項に記載のカテーテルアセンブリ。 - 前記イメージングコアに接続された制御モジュールをさらに備え、
前記制御モジュールが、
前記イメージングコアに電気的に接続され、前記少なくとも1つのトランスデューサに電気信号を送信するように構成および配置されたパルスジェネレータと、
前記イメージングコアに電気的に接続され、前記少なくとも1つのトランスデューサから受信した電気信号を処理して、少なくとも1つの画像を形成するように構成および配置されたプロセッサと、を有する、
請求項1〜7のいずれか一項に記載のカテーテルアセンブリ。 - 印加された電気信号の音響信号への変換および受信されたエコー信号の電気信号への変換を行うように構成および配置された少なくとも1つのトランスデューサと、
少なくとも前記少なくとも1つのトランスデューサ上に配置された膨潤性材料と、
を備え、
前記膨潤性材料が、水、生理食塩水または血液のうちの少なくとも1つに曝されると膨潤するように構成および配置され、任意にはハイドロゲルであり、少なくとも1つのトランスデューサに機械的にまたは化学的に取り付けられることがあり、任意に膨潤する、イメージング装置。 - 前記少なくとも1つのトランスデューサを準備することと、
少なくとも前記少なくとも1つのトランスデューサ上に前記膨潤性材料を配置することと、
を含む、請求項1〜8のいずれか一項に記載のカテーテルアセンブリまたは請求項9に記載のイメージング装置の形成方法。 - 前記少なくとも1つのトランスデューサ上に前記膨潤性材料を配置することには、前記少なくとも1つのトランスデューサを前記膨潤性材料または前記膨潤性材料の前駆体でコーティングすることを含み、
前記形成方法は、前記膨潤性材料または前記膨潤性材料の前記前駆体を架橋または硬化させて、前記少なくとも1つのトランスデューサまたは前記イメージングコアに前記膨潤性材料を機械的にまたは化学的に連結させることをさらに任意に含む、
請求項10に記載の方法。 - 前記イメージングコアを前記カテーテルの前記シース内に挿入することと、
前記膨潤性材料を前記流体に曝して、前記膨潤性材料を前記シース内で膨潤させることと、
前記駆動軸を前記シース内で膨潤した前記膨潤性材料とともに回転させることと、
を含む、請求項1〜8のいずれか一項に記載のカテーテルアセンブリの使用方法。 - 前記膨潤性材料を前記流体に曝すことには、水または生理食塩水を前記カテーテルの前記シースに注入することを含む、
請求項12に記載の方法。 - 前記膨潤性材料を前記流体に曝すことには、血液を前記カテーテルの前記シース内に流入させることを含む、
請求項12に記載の方法。 - 前記膨潤性材料を前記流体に曝すことには、前記トランスデューサからの音響信号が前記トランスデューサから前記膨潤性材料を通って前記シースに直接入るように、前記膨潤性材料が膨潤して前記トランスデューサと前記シースとの間の空間を直接満たすことを含む、
請求項12〜14のいずれか一項に記載の方法。
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US201562157385P | 2015-05-05 | 2015-05-05 | |
US62/157,385 | 2015-05-05 | ||
PCT/US2016/030573 WO2016179176A1 (en) | 2015-05-05 | 2016-05-03 | Systems and methods with a swellable material disposed over a transducer of and ultrasound imaging system |
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JP2018510007A true JP2018510007A (ja) | 2018-04-12 |
JP6475363B2 JP6475363B2 (ja) | 2019-02-27 |
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US (1) | US10456105B2 (ja) |
EP (1) | EP3256048B1 (ja) |
JP (1) | JP6475363B2 (ja) |
CN (2) | CN117179817A (ja) |
WO (1) | WO2016179176A1 (ja) |
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