JP6109463B1 - 超音波プローブおよび超音波プローブの製造方法 - Google Patents
超音波プローブおよび超音波プローブの製造方法 Download PDFInfo
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Abstract
Description
図1は、本発明の実施の形態に係る内視鏡システムを模式的に示す図である。内視鏡システム1は、超音波内視鏡を用いて人等の被検体内の超音波診断を行うシステムである。この内視鏡システム1は、図1に示すように、超音波内視鏡2と、超音波観測装置3と、内視鏡観察装置4と、表示装置5と、光源装置6とを備える。
上述した実施の形態では、撥水部16a,16bをフッ素コーティングにより形成するものとして説明したが、構造部材16に対して超撥水処理を施すことができれば、この限りでない。例えば、疎水性シリカコーティングとしてもよいし、二重粗さ構造としてもよい。二重粗さ構造とは、具体的には、ナノメートルサイズの突起を含むマイクロメートルサイズの複数の突起(凹凸形状)を有する表面粗さ構造である。フッ素コーティングや疎水性シリカコーティングなどの撥水コーティングは、二重粗さ構造と比して製造が容易で比較的低コストである一方、二重粗さ構造とすれば、撥水コーティングと比して撥水性を高めることができる。なお、「超撥水」とは、水滴を保持する面に対して150°を超える接触角で水滴が接する現象のことをいう。
2 超音波内視鏡
3 超音波観測装置
4 内視鏡観察装置
5 表示装置
6 光源装置
10 超音波振動子
11 圧電素子
12 第1音響整合層
13 第2音響整合層
14 音響レンズ
15 バッキング材
16 構造部材
16A 第1構造部材
16B 第2構造部材
16a,16b 撥水部
17 基板
21 挿入部
22 操作部
23 ユニバーサルケーブル
24 コネクタ
31 超音波ケーブル
41 ビデオケーブル
61 光ファイバケーブル
Claims (8)
- シート状の部材の端部同士を接着剤により接着した筒状をなし、超音波の音響インピーダンスを調整する音響整合層と、
前記音響整合層の内周面側に周方向に沿って配列され、電気信号の入力に応じて超音波を出射するとともに、外部から入射した超音波をエコー信号に変換する複数の圧電素子と、
円板状をなし、前記音響整合層の周方向のなす面と直交する長手方向の少なくとも一方の端部側に設けられ、外側面の少なくとも一部が前記音響整合層の内部に固定される構造部材と、
を備え、
前記構造部材は、外側面の一部であって、前記音響整合層の前記端部により形成される空隙を径方向で含む領域に設けられ、撥水性を有する撥水部
を有することを特徴とする超音波プローブ。 - 円板状をなし、前記音響整合層の長手方向の他方の端部側に設けられ、外側面が前記音響整合層の内部に固定される第2の構造部材
をさらに備え、
前記第2の構造部材は、外側面の一部であって、前記空隙を径方向で含む領域に設けられ、撥水性を有する撥水部
を有することを特徴とする請求項1に記載の超音波プローブ。 - 前記撥水部は、撥水コーティング処理が施された表面からなることを特徴とする請求項1に記載の超音波プローブ。
- 前記撥水コーティング処理は、フッ素コーティング処理、または疎水性シリカ粒子コーティング処理であることを特徴とする請求項3に記載の超音波プローブ。
- 前記撥水部は、ナノメートルサイズの突起を含むマイクロメートルサイズの複数の突起を有する二重粗さ構造であることを特徴とする請求項1に記載の超音波プローブ。
- 前記撥水部は、前記空隙によって外部に露出する領域に形成されることを特徴とする請求項1に記載の超音波プローブ。
- 前記構造部材は、前記撥水部が形成された部分以外の外側面が、接着剤を介して前記音響整合層に接着されることを特徴とする請求項1に記載の超音波プローブ。
- 圧電素子用母材に音響整合層用母材を積層することで成形用部材を作成する積層処理工程と、
前記成形用部材を所定のピッチで切断して、圧電素子および音響整合層を形成する切断工程と、
内周側に前記圧電素子が配置されるように変形させることで筒状の第1の構造体を形成する形成工程と、
撥水性を有する撥水部が外周面の一部に形成された円板状の構造部材を、該撥水部が前記第1の構造体の端部に対向するよう、前記筒状の構造体に挿入することで、前記構造部材が配置された第2の構造体を作成する組付工程と、
前記第2の構造体における前記第1の構造体と前記構造部材との間に接着剤を流すことによって、前記撥水部を除く前記構造部材の外周面を、前記第1の構造体に接着する接着工程と、
を含むことを特徴とする超音波プローブの製造方法。
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JP2015105542 | 2015-05-25 | ||
JP2015105542 | 2015-05-25 | ||
PCT/JP2016/063967 WO2016190101A1 (ja) | 2015-05-25 | 2016-05-11 | 超音波プローブ |
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JP6109463B1 true JP6109463B1 (ja) | 2017-04-05 |
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US (1) | US20170303893A1 (ja) |
EP (1) | EP3305203A4 (ja) |
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CN106572841B (zh) * | 2014-08-08 | 2019-10-01 | 奥林巴斯株式会社 | 超声波观察装置、超声波观察装置的制造方法 |
EP3165169B1 (en) * | 2014-11-21 | 2023-02-22 | Olympus Corporation | Ultrasonic vibrator and ultrasonic endoscope |
JP2020512144A (ja) * | 2017-03-31 | 2020-04-23 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 管腔内超音波撮像デバイスのための環状集積回路コントローラ |
JP6758272B2 (ja) | 2017-10-24 | 2020-09-23 | オリンパス株式会社 | 超音波振動子及び超音波内視鏡 |
JP7013249B2 (ja) * | 2018-01-16 | 2022-01-31 | オリンパス株式会社 | 超音波プローブ |
WO2020051879A1 (zh) * | 2018-09-14 | 2020-03-19 | 深圳迈瑞生物医疗电子股份有限公司 | 一种乳腺机探头盒及乳腺机 |
CN115721221A (zh) * | 2020-02-27 | 2023-03-03 | 北京石头创新科技有限公司 | 清洁机器人 |
JP7366239B2 (ja) * | 2020-03-26 | 2023-10-20 | 富士フイルム株式会社 | 超音波内視鏡 |
WO2022104686A1 (zh) * | 2020-11-20 | 2022-05-27 | 深圳先进技术研究院 | 超声波内窥镜系统及其超声换能器 |
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US20170303893A1 (en) | 2017-10-26 |
EP3305203A4 (en) | 2019-01-09 |
EP3305203A1 (en) | 2018-04-11 |
JPWO2016190101A1 (ja) | 2017-06-08 |
CN107205726A (zh) | 2017-09-26 |
CN107205726B (zh) | 2020-07-14 |
WO2016190101A1 (ja) | 2016-12-01 |
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