JP7467668B2 - 非代償性心不全を治療するための医療デバイス - Google Patents
非代償性心不全を治療するための医療デバイス Download PDFInfo
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- A—HUMAN NECESSITIES
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/135—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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- A—HUMAN NECESSITIES
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
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- Pulmonology (AREA)
- External Artificial Organs (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Electrotherapy Devices (AREA)
Description
Claims (15)
- 心臓を治療するための医療デバイスシステムであって、
プロセッサ及びポンプを有する制御システムと、
第1の位置で前記制御システムに連結される第1端及び第1の拡張可能部材に連結される第2端を有し、前記第1の拡張可能部材の近位に配置される第1の開口部を含み、前記第1の拡張可能部材が上大静脈内に配置されるように構成される第1の長尺シャフトと、
前記第1の位置とは異なる第2の位置で前記制御システムに連結される第1端及び第2の拡張可能部材に連結される第2端を有し、前記第2の拡張可能部材の近位に配置される第2の開口部を含み、前記第2の拡張可能部材が下大静脈内に配置されるように構成される第2の長尺シャフトと、
前記第1の開口部を通って前記第1の長尺シャフトの一部分内に延在し、前記第1の拡張可能部材の近位に配置される第1端及び前記制御システムに連結される第2端を含み、第1のパラメータを感知するように設計される第1の感知部材と、
前記第2の開口部を通って前記第2の長尺シャフトの一部分内に延在し、前記第2の拡張可能部材の近位に配置される第1端及び前記制御システムに連結される第2端を含み、第2のパラメータを感知するように設計される第2の感知部材と、を備え、
前記ポンプは前記第1のパラメータ、前記第2のパラメータにおける変化又は前記第1のパラメータ及び前記第2のパラメータの両方における変化に基づいて前記第1の拡張可能部材、前記第2の拡張可能部材又は前記第1の拡張可能部材及び前記第2の拡張可能部材の両方を拡張又は収縮するように設計される、システム。 - 前記第1のパラメータ、前記第2のパラメータ又は前記第1のパラメータ及び前記第2のパラメータの両方は血圧である、請求項1に記載のシステム。
- 前記第1の感知部材、前記第2の感知部材又は前記第1の感知部材及び前記第2の感知部材の両方はMEMSセンサを含む、請求項1又は請求項2に記載のシステム。
- 前記第1の感知部材、前記第2の感知部材又は前記第1の感知部材及び前記第2の感知部材の両方は光ファイバセンサを含む、請求項1から請求項3のいずれか一項に記載のシステム。
- 前記第1の感知部材、前記第2の感知部材又は前記第1の感知部材及び前記第2の感知部材の両方は流体充填圧力感知カテーテルを含む、請求項1から請求項4のいずれか一項に記載のシステム。
- 前記第1の拡張可能部材は、前記第1の拡張可能部材が頸静脈を通過した後に、前記上大静脈内に配置されるように構成され、前記第2の拡張可能部材は、前記第2の拡張可能部材が大腿静脈を通過した後に、前記下大静脈内に配置されるように構成される、請求項1から請求項5のいずれか一項に記載のシステム。
- 前記第1の拡張可能部材及び前記第2の拡張可能部材の両方が大腿静脈を通過した後に、前記第1の拡張可能部材は前記上大静脈内に配置されるように構成され、前記第2の拡張可能部材は前記下大静脈内に配置されるように構成される、請求項1から請求項5のいずれか一項に記載のシステム。
- 前記第1の拡張可能部材に隣接して配置される第1端と、前記制御システムに連結される第2端と、を有する第3の感知部材をさらに備え、前記第3の感知部材は第3のパラメータを感知するように設計される、請求項1から請求項7のいずれか一項に記載のシステム。
- 前記第2の拡張可能部材に隣接して配置される第1端と、前記制御システムに連結される第2端と、を有する第4の感知部材をさらに備え、前記第4の感知部材は第4のパラメータを感知するように設計される、請求項8に記載のシステム。
- 前記第1の拡張可能部材は前記第1の感知部材の遠位端と前記第3の感知部材の遠位端との間に配置される、請求項8又は請求項9に記載のシステム。
- 前記第1の拡張可能部材に連結される第1端と、前記制御システムに連結される第2端と、その中に延在する複数の内腔と、を有する第1の長尺シャフトをさらに備え、前記第1の感知部材の少なくとも一部分が前記複数の内腔の第1の内腔の少なくとも一部分の中に延在する、請求項1から請求項10のいずれか一項に記載のシステム。
- 前記第2の感知部材の少なくとも一部分は前記複数の内腔の第2の内腔の少なくとも一部分の中に延在する、請求項11に記載のシステム。
- メモリをさらに備え、前記メモリは前記プロセッサによって実行可能な一連の命令を含み、前記一連の命令は前記第1のパラメータ、前記第2のパラメータにおける変化又は前記第1のパラメータ及び前記第2のパラメータの両方における変化に基づいて前記第1の拡張可能部材及び前記第2の拡張可能部材の両方を拡張するように構成される、請求項1から請求項12のいずれか一項に記載のシステム。
- 心臓を治療するための医療デバイスであって、
プロセッサ及びポンプを有する制御システムと、
第1の位置で前記制御システムに連結される第1端及び第1の拡張可能部材に連結される第2端を有し、前記第1の拡張可能部材の近位に配置される第1の開口部を含み、前記第1の拡張可能部材が上大静脈内に配置されるように構成される第1の長尺シャフトと、
前記第1の位置とは異なる第2の位置で前記制御システムに連結される第1端及び第2の拡張可能部材に連結される第2端を有し、前記第2の拡張可能部材の近位に配置される第2の開口部を含み、前記第2の拡張可能部材が下大静脈内に配置されるように構成される第2の長尺シャフトと、
前記第1の開口部を通って延在し、前記第1の拡張可能部材の近位に配置される第1端及び前記制御システムに連結される第2端を有し、第1のパラメータを感知するように設計される第1の圧力感知部材と、
前記第2の開口部を通って延在し、前記第2の拡張可能部材の近位に配置される第1端及び前記制御システムに連結される第2端を有し、第2のパラメータを感知するように設計される第2の圧力感知部材と、
前記第1の拡張可能部材の遠位かつ前記第1の拡張可能部材に隣接して配置される第1端を有し、前記制御システムに連結される第2端を含み、第3のパラメータを感知するように設計される第3の圧力感知部材と、
前記第2の拡張可能部材の遠位に配置される第1端及び前記制御システムに連結される第2端を有し、第4のパラメータを感知するように設計される第4の圧力感知部材と、を備え、
前記ポンプは前記第1のパラメータ、前記第2のパラメータ、前記第3のパラメータ又は前記第4のパラメータにおける変化に基づいて前記第1の拡張可能部材、前記第2の拡張可能部材又は前記第1の拡張可能部材及び前記第2の拡張可能部材の両方を拡張又は収縮するように設計される、システム。 - 前記第1のパラメータ、前記第2のパラメータ又は前記第1のパラメータ及び前記第2のパラメータの両方は血圧である、請求項14に記載のシステム。
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