JP2022519380A - 医療デバイスにおける超音波通信 - Google Patents
医療デバイスにおける超音波通信 Download PDFInfo
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Abstract
Description
本開示は、一般に、超音波通信の分野に関する。より具体的には、本開示は、超音波信号を使用する双方向通信用に構成された医療デバイスを包含する。
医療用インプラント、特にin situで調節可能な医療用インプラントには、in vivoでさまざまな力が作用する。例えば、このような調節可能な医療用インプラントは、手足の変形や脊柱側弯症などの状態を治療するために、手足の延長や脊椎の調節可能な外科手術で使用される。通常、これらの調節可能な医療用インプラントは、1つ又は複数の骨に固定され、且つ、患者の転帰が達成されるまで、時間の経過とともに徐々に調節される。
本開示は、患者の身体上及び/又は身体内に配置された医療デバイス間の経皮的超音波パワー伝送及び双方向データ通信を提供する。
外部トランシーバからインプラントに超音波信号を送信すること、
超音波トランスデューサを備えたインプラントで超音波信号を受信すること、
超音波トランスデューサを使用して信号を電気エネルギーに変換すること、及び
電気エネルギーを使用してインプラントにパワーを供給すること、
を包含する。
患者の体内にインプラントを配置すること、
トランシーバを患者の体の上に又は体内に配置すること、及び
インプラントとトランシーバとの間で超音波信号を経皮的に送信すること、
を包含する。
患者の体内にデバイスを埋め込むこと、
超音波信号を使用してパワー又はデータの少なくとも1つをデバイスに送信すること、及び
超音波信号を使用してデバイスからデータを送信すること、
を包含する。
患者の体内にセンサモジュールを埋め込むステップ、
超音波信号を使用して、ワイヤレスパワー又はデータのうちの少なくとも1つをセンサモジュールに送信するステップ、及び
超音波信号を使用して、センサモジュールからデータを送信するステップ、
を包含する。
これら及び他の特徴は、添付の図面を検討することにより、当業者によってさらに理解されるであろう。ここで、
限定ではなく説明の目的で、特定の実施形態の詳細及び説明が、当業者が本発明を作成及び使用することが可能となるように、以下に提供される。これらの詳細及び説明は、特定の実施形態を代表するものにすぎない。しかしながら、明示的に説明されない無数の他の実施形態は、本明細書を徹底的に検討することにより、当技術分野の技術を有する者によって容易に理解されるであろう。したがって、本開示のレビューアは、特許請求の範囲によって本発明の範囲を解釈する必要がある。そして、そのような範囲は、本明細書に記載及び図示された実施形態によって限定されてはならない。
i) インプラントと圧電トランスデューサと間の超音波伝送効率を改善するためのインピーダンス整合、及び
ii) 電子機器を接地する回路、
を考慮するかもしれない。
例えば、コントローラは、外部トランシーバ900の長さに沿った既知の位置を、超音波トランスデューサ901b、901c、901d、又は外部トランシーバ900上に配置された超音波トランスデューサのアレイに割り当てることができる。
外部トランシーバから患者の体内に位置決めされたインプラントに超音波信号を送信するステップ;
超音波トランスデューサを使用して前記インプラントで前記超音波信号を受信するステップ;
前記超音波トランスデューサを使用して前記超音波信号を電気エネルギーに変換するステップ;及び
前記電気エネルギーを使用して、前記インプラントの少なくとも一部にパワーを供給するステップ;
を包含する。
インプラントにセンサモジュールを提供するステップ、
前記インプラントを患者の体内に配置するステップ、
超音波信号を使用して、ワイヤレスパワー又はデータのうちの少なくとも1つをトランシーバから前記センサモジュールに経皮的に送信するステップ、及び
超音波信号を使用して、前記センサモジュールから前記トランシーバにワイヤレスパワー又はデータのうちの少なくとも1つを送信するステップ、
を包含する。
530 センサモジュール
900 外部トランシーバ
910 3次デバイス
A 患者
Claims (62)
- 少なくとも1つの超音波トランスデューサを有するインプラント;及び
外部トランシーバ;
を含む、超音波通信のためのシステムであって、
ここで、前記超音波トランスデューサは、前記外部トランシーバによって送信された超音波信号からパワーを受け取るように適合されている、システム。 - ここで、前記少なくとも1つの超音波トランスデューサが圧電トランスデューサを含む、請求項1に記載のシステム。
- 前記インプラントが調節可能なインプラントを含む、請求項2に記載のシステム。
- ここで、前記調節可能なインプラントのアクチュエータは、前記超音波トランスデューサによって前記超音波信号から受信された電気エネルギーによってパワーを供給される、請求項3に記載のシステム。
- 前記調節可能なインプラントは、パワーストレージデバイス、及び充電回路をさらに含み、且つここで、前記充電回路は、前記超音波トランスデューサから受け取った前記電気エネルギーを使用して前記パワーストレージデバイスを充電するように構成される、請求項4に記載のシステム。
- 前記インプラントは、コントローラをさらに含む、請求項5に記載のシステム。
- センサと超音波トランスデューサとを包含するインプラント;及び
外部トランシーバ;
を含む、超音波通信のためのシステムであって、
ここで、前記インプラントは、前記超音波トランスデューサによって生成された超音波信号を使用して、前記センサによって得られたデータを前記外部トランシーバに送信するように適合されている、システム。 - ここで、前記超音波トランスデューサが圧電トランスデューサを含む、請求項7に記載のシステム。
- 前記インプラントは、コントローラをさらに含む、請求項8に記載のシステムであって;
ここで、前記コントローラは、前記センサによって感知されたデータを変調された信号に変換するように構成される、システム。 - 前記インプラントは、前記超音波トランスデューサによって生成された前記超音波信号から受信された電気エネルギーによってパワーを供給されるアクチュエータをさらに含む、請求項9に記載のシステム。
- 前記インプラントは、パワーストレージデバイス、及び充電回路をさらに含み、且つここで、前記充電回路は、前記超音波トランスデューサによって前記超音波信号から受信された前記電気エネルギーを使用して前記パワーストレージデバイスを充電するように構成される、請求項10に記載のシステム。
- 超音波トランスデューサに動作可能に結合されたアクチュエータを有するインプラント;及び
外部トランシーバ;
を含む、超音波通信のためのシステムであって、
ここで、前記超音波トランスデューサは、前記アクチュエータにパワーを供給するために前記外部トランシーバによって送信された超音波信号からパワーを受け取るように構成される;且つ
ここで、前記インプラントは、前記超音波トランスデューサを介して前記外部トランシーバとの間でデータを送受信するように構成されている、システム。 - ここで、前記超音波トランスデューサが圧電トランスデューサを含む、請求項12に記載のシステム。
- ここで、前記インプラントが、前記圧電トランスデューサによって受信された前記超音波信号からパワーを受け取る、請求項13に記載のシステム。
- 前記インプラントは、センサ及びコントローラをさらに含む、請求項14に記載のシステムであって;
ここで、前記コントローラは、前記センサによって取得されたデータを変調された信号に変換するように構成される、システム。 - 前記インプラントは、パワーストレージデバイス及び対応する充電回路をさらに含む、請求項15に記載のシステムであって;
ここで、前記充電回路は、前記超音波トランスデューサによって前記超音波信号から受信された電気エネルギーを使用して前記パワーストレージデバイスを充電するように構成される、システム。 - 超音波トランスデューサ;及び
前記超音波トランスデューサに動作可能に結合されたコントローラ;
を含む、超音波通信のためのセンサモジュールであって、
ここで、当該センサモジュールは、経皮的超音波パワー又は超音波信号を使用するデータ転送のうちの少なくとも1つのために構成される、センサモジュール。 - ここで、当該センサモジュールは、インプラントと統合されるように適合されている、請求項17に記載のセンサモジュール。
- 当該センサモジュールの少なくとも一部が、前記インプラントの内部部分内に配置されている、請求項18に記載のセンサモジュール。
- ここで、当該センサモジュールの少なくとも一部が、前記インプラントの外部部分に配置されている、請求項18に記載のセンサモジュール。
- ここで、前記超音波トランスデューサは、外部トランシーバから超音波信号を受信する、及び前記超音波信号を電気エネルギーに変換するように構成される、請求項17に記載のセンサモジュール。
- ここで、前記超音波トランスデューサが、第2のインプラントから超音波信号を受信する、及び前記超音波信号を電気エネルギーに変換するように構成される、請求項17に記載のセンサモジュール。
- ここで、前記超音波トランスデューサが圧電トランスデューサを含む、請求項17に記載のセンサモジュール。
- ここで、前記コントローラは、バイナリ位相シフトキーイングを使用して前記超音波信号を変調するように構成される、請求項17に記載のセンサモジュール。
- カプセル化をさらに含む、請求項17に記載のセンサモジュールであって、ここで、前記カプセル化は気密シールを提供する、センサモジュール。
- パワーストレージデバイスをさらに含む、請求項17に記載のセンサモジュール。
- 前記超音波トランスデューサによって収集された電気エネルギーを使用して前記パワーストレージデバイスを充電するように構成された再充電回路をさらに含む、請求項26に記載のセンサモジュール。
- センサをさらに含む、請求項27に記載のセンサモジュール。
- 前記センサ、前記超音波トランスデューサ、前記コントローラ、及び前記パワーストレージデバイスを動作可能に接続する少なくとも1つの相互接続をさらに含む、請求項28に記載のセンサモジュール。
- ここで、前記超音波トランスデューサが、中空の円筒形圧電トランスデューサを含む、請求項29に記載のセンサモジュール。
- 前記センサモジュールは、シャーシをさらに含む、請求項30に記載のセンサモジュールであって;
ここで、前記シャーシの少なくとも一部は、前記中空の円筒形圧電トランスデューサを貫通して延在するように構成される;且つ
ここで、前記少なくとも1つの相互接続の少なくとも一部は、前記パワーストレージデバイスをプリント回路基板に動作可能に接続する前記シャーシを貫通して延在する、センサモジュール。 - 以下のステップ:
患者の体内にインプラントを配置するステップ;
前記患者の体に隣接して外部トランシーバを配置するステップ;
超音波信号を使用して、ワイヤレスパワー又はデータのうちの少なくとも1つを前記インプラントに送信するステップ;
を含む、超音波通信の方法。 - 以下のステップ:
超音波信号を使用して、ワイヤレスパワー又はデータのうちの少なくとも1つを前記インプラントから前記外部トランシーバに送信するステップ、
をさらに含む、請求項32に記載の方法。 - 以下のステップ:
センサモジュールをインプラントと統合するステップ;
前記インプラントを患者の体内に配置するステップ;
前記患者の体に隣接して外部トランシーバを配置するステップ;
超音波信号を使用して、ワイヤレスパワー又はデータのうちの少なくとも1つを前記センサモジュールに送信するステップ;及び
超音波信号を使用して、ワイヤレスパワー又はデータのうちの少なくとも1つを前記センサモジュールから前記外部トランシーバに送信するステップ;
を含む、超音波通信の方法。 - 超音波を使用してパワーを送信する方法であって、以下のステップ:
超音波信号を外部トランシーバから超音波トランスデューサを有するインプラントに送信するステップ;
前記超音波トランスデューサを備えた前記インプラントで前記超音波信号を受信するステップ;
前記超音波トランスデューサを使用して前記超音波信号を電気エネルギーに変換するステップ;及び
前記電気エネルギーを使用して前記インプラントにパワーを供給するステップ;
を含む方法。 - 超音波を使用して経皮的データ通信を実現する方法であって、以下:
患者の体内に少なくとも1つの超音波トランスデューサを有するインプラントを提供すること;
トランシーバを前記患者の体の上に配置すること;
超音波信号を使用して前記インプラントから前記トランシーバにデータを送信すること;
を含む方法。 - 超音波を使用して経皮的データ伝送を実現する方法であって、以下:
患者の体内に少なくとも1つの超音波トランスデューサを有するインプラントを提供すること;
トランシーバを前記患者の体の上に配置すること;
超音波を使用して前記インプラントから前記トランシーバにデータを送信すること;
を含む方法。 - 超音波を使用して経皮的双方向データ伝送を実現する方法であって、以下のステップ:
患者の体内に少なくとも1つの超音波トランスデューサを有するインプラントを提供するステップ;
外部トランシーバを使用して、ワイヤレスパワー又はデータのうちの少なくとも1つを前記インプラントに送信するステップ;及び
変調された超音波信号を使用して、前記インプラントから前記外部トランシーバにデータを送信するステップ;
を含む方法。 - 超音波を使用して経皮的双方向データ送信を達成する方法であって、以下のステップ:
患者の体内にセンサモジュールを有するインプラントを提供するステップ;
ワイヤレスパワー又はデータのうちの少なくとも1つを前記センサモジュールに送信するステップ;及び
変調された超音波信号を使用して前記センサモジュールからデータを送信するステップ;
を含む方法。 - ここで、前記センサモジュールが、インプラントに取り外し可能に結合されるように構成される、請求項39に記載の方法。
- ここで、前記センサモジュールは、前記インプラントからのデータを感知するように構成されたセンサをさらに含み、前記データは、前記インプラントの物理的特性に対応する、請求項39に記載の方法。
- ここで、前記センサモジュールがコントローラをさらに含む、請求項39に記載の方法。
- ここで、前記センサモジュールが、前記コントローラに動作可能に結合された超音波トランスデューサをさらに含み、前記超音波トランスデューサは、変調された超音波信号を送信するように構成される、請求項42に記載の方法。
- 導電性エポキシをさらに含む、請求項43に記載の方法であって、ここで、前記導電性エポキシが前記超音波トランスデューサと前記インプラントとの間に配置され、超音波によって観察されるインピーダンスの量を低減する、方法。
- 以下:
超音波通信に適合され、且つ患者の体内に配置されるように構成された複数の医療用インプラント;
ホストステータスに指定されている複数の医療用インプラントのうちの少なくとも1つ及びクライアントステータスに指定されている前記複数の医療用インプラントの残り;
を含むボディエリアネットワークであって、
ここで、データは超音波信号を介して当該ボディエリアネットワークを介して送信される、ボディエリアネットワーク。 - 外部トランシーバをさらに含む、請求項45に記載のボディエリアネットワークであって、前記外部トランシーバは超音波通信用に構成され、且つ前記患者の体に隣接して又は前記患者の体内に配置される、ボディエリアネットワーク。
- ここで、前記外部トランシーバは、前記外部トランシーバが利用可能であるとき、前記外部トランシーバが所与のホストステータスであるようなマスターホストステータスを有する、請求項46に記載のボディエリアネットワーク。
- 以下:
患者の皮膚に隣接して少なくとも1つの超音波トランスデューサを配置すること;
前記少なくとも1つの超音波トランスデューサを使用して超音波を送信すること;
前記少なくとも1つの超音波トランスデューサによって観察された透過量又は反射量のうちの少なくとも1つを測定すること;及び
測定値をつなぎ合わせて、骨密度のプロットを形成すること;
を含む骨密度イメージングのための方法。 - ここで、前記少なくとも1つの超音波トランスデューサが一次元アレイを含む、請求項48に記載の方法。
- ここで、前記少なくとも1つの超音波トランスデューサが2次元アレイを含む、請求項48に記載の方法。
- ここで、前記少なくとも1つの超音波トランスデューサが、患者が着用するように構成されたウェアラブルデバイスの内面に配置される、請求項48に記載の方法。
- ここで、前記ウェアラブルデバイスは、付加製造技術を使用して製造される、請求項51に記載の方法。
- ここで、前記少なくとも1つの超音波トランスデューサは、前記少なくとも1つの超音波トランスデューサから測定データを受信するように構成されたコントローラに動作可能に接続され、且つここで、前記コントローラは、前記測定データを処理して骨密度の前記プロットを形成するように構成されている、請求項51の方法。
- 以下のステップ:
低骨密度の位置を特定すること、及び治療周波数で超音波を低骨密度の前記位置に送信すること、
をさらに含む、請求項52に記載の方法。 - 前記少なくとも1つの超音波トランスデューサが圧電ポリフッ化ビニリデン(PVDF)材料を含む、請求項48に記載の方法。
- 骨の長さの増加を測定するための方法であって、
前記骨の第1の位置に第1の超音波マーカーを配置すること;
前記骨の第2のセクションに第2の超音波マーカーを配置すること;
前記骨の少なくとも一部の周りにトランスデューサアレイ、少なくとも1つの超音波トランスデューサを含む前記トランスデューサアレイ、を配置すること、;
前記少なくとも1つの超音波トランスデューサから超音波を送信すること;
前記トランスデューサアレイ上の各位置で前記超音波トランスデューサによって観察された透過量又は反射量のうちの少なくとも1つを測定すること;
前記トランスデューサアレイによって得られた測定値をつなぎ合わせて超音波画像を形成すること;
前記第1の超音波マーカーと前記第2の超音波マーカーとの間の前記超音波画像上の距離を測定すること;
を含む方法。 - ここで、前記トランスデューサアレイが1次元アレイを含む、請求項56に記載の方法。
- ここで、前記トランスデューサアレイが2次元アレイを含む、請求項56に記載の方法。
- ここで、前記トランスデューサアレイが、患者が着用するように構成されたウェアラブルデバイスの内面に配置される、請求項56に記載の方法。
- ここで、前記ウェアラブルデバイスは、付加製造技術を使用して製造される、請求項59に記載の方法。
- ここで、前記トランスデューサアレイは、前記少なくとも1つの超音波トランスデューサから測定値を受信するように構成されたコントローラに動作可能に接続され、且つここで、前記コントローラは、前記骨の長さの変化を決定するために前記測定値を処理するように構成される、請求項60に記載の方法。
- 前記トランスデューサアレイ上に配置された超音波導電性材料、前記少なくとも1つの超音波トランスデューサと前記患者の皮膚との間のインピーダンスを最小化するように構成された前記超音波導電性材料、をさらに含む、請求項61に記載の方法。
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2020
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- 2020-02-07 CN CN202080012601.8A patent/CN113424555A/zh active Pending
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JP2012507340A (ja) * | 2008-10-31 | 2012-03-29 | ミルックス・ホールディング・エスエイ | エネルギーの無線伝送を使用して骨調節を操作するためのデバイスおよび方法 |
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WO2020163792A8 (en) | 2021-08-12 |
CN113424555A (zh) | 2021-09-21 |
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AU2020217806A1 (en) | 2021-08-26 |
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EP3922039A1 (en) | 2021-12-15 |
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