JP2020116384A - 組立型三尖弁逆流症手術用器具 - Google Patents
組立型三尖弁逆流症手術用器具 Download PDFInfo
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- 201000001943 Tricuspid Valve Insufficiency Diseases 0.000 title claims abstract description 60
- 206010044640 Tricuspid valve incompetence Diseases 0.000 title claims abstract description 50
- 230000000903 blocking effect Effects 0.000 claims abstract description 72
- 210000001147 pulmonary artery Anatomy 0.000 claims abstract description 39
- 210000000591 tricuspid valve Anatomy 0.000 claims abstract description 35
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Abstract
Description
また、体内組立型で三尖弁オリフィスに遮断部が正確に位置するように調整可能なので、患者に応じてカスタムメイド手術が可能である。
この時、前記連結ワイヤー80を前記連結チューブ20に挿入し、前記連結ワイヤー80に沿って体内を移動する。
12 遮断膜
14 支持ワイヤー
16 遮断バルーン
17 バルーンチューブ
18 バルーン調節器
19 リング状ワイヤー
20 連結チューブ
22 連結チューブルーメン
30 肺動脈固定部材
40 シースチューブ
50 ガイドワイヤー
60 下大静脈固定部材
70 組立部
72 第1組立体
72a 締結溝
74 第2組立体
74a 締結突起
80 連結ワイヤー
90 連結ワイヤー組立部
92 第1連結ワイヤー組立体
94 第2連結ワイヤー組立体
Claims (11)
- 組立型三尖弁逆流症手術用器具であって、
肺動脈に設置される肺動脈固定部材と、
連結ワイヤーに沿って移動できるように内部に連結チューブルーメンが形成された連結チューブと、
前記肺動脈固定部材の下端に結合される第1組立体、及び前記連結チューブの上端に結合される第2組立体を備え、前記肺動脈固定部材と前記連結チューブが組み立てられるようにする組立部と、
前記連結チューブの下端に結合されて下大静脈に設置される下大静脈固定部材と、
前記連結チューブの一側に結合され、三尖弁を斜めに貫通して三尖弁オリフィスを遮断する遮断部とを含む、組立型三尖弁逆流症手術用器具。 - 前記第1組立体の内周面にはねじ山が形成され、
前記第2組立体の外周面には前記第1組立体のねじ山に対応するねじ山が形成されることにより、前記第1組立体と前記第2組立体とが螺合されることを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。 - 前記第1組立体は、球状であり、
前記第2組立体は、前記第1組立体を包み込むトング形状に弾性を有する弾性トングであり、
前記第2組立体を前記第1組立体に向かって押すと、前記第1組立体の外面に沿って前記第2組立体が広がってから弾性によって再び元の状態に戻ることを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。 - 前記第1組立体は側面に締結溝が設けられ、
前記第2組立体は側面に締結突起が設けられ、
前記第2組立体を前記第1組立体に向かって押すと、前記締結突起が前記締結溝に挿入されて前記第1組立体と前記第2組立体とが組み立てられることを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。 - 前記組立型三尖弁逆流症手術用器具は、
前記第1組立体の一側に結合され、内周面にねじ山が形成された第1連結ワイヤー組立体と、前記連結ワイヤーの上端に結合され、外周面には前記第1連結ワイヤー組立体に形成されたねじ山に対応するねじ山が形成された第2連結ワイヤー組立体とを備える連結ワイヤー組立部をさらに含み、
前記連結ワイヤー組立部は、螺合され、前記連結ワイヤーの回転によって結合が解除されることを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。 - 前記肺動脈固定部材及び前記下大静脈固定部材は放射状構造を有することを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。
- 前記肺動脈固定部材及び前記下大静脈固定部材はリボン状に形成されることを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。
- 前記組立型三尖弁逆流症手術用器具は、内部に前記組立型三尖弁逆流症手術用器具を挿入することができるルーメン(lumen)が形成されたチューブ状のシースチューブをさらに含み、
体内への進入時に前記組立型三尖弁逆流症手術用器具が窄まった状態で前記シースチューブ内に挿入されて移動し、
目標位置への到達時に前記シースチューブを除去すると、前記組立型三尖弁逆流症手術用器具が展開されることを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。 - 前記遮断部は、両端が前記連結チューブに結合される支持ワイヤーと、
一側が前記連結チューブに固定され、前記支持ワイヤーによって支持される遮断膜とをさらに含むことを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。 - 前記遮断部は、膨張または収縮することができるバルーン状の遮断バルーンであり、
上端が前記遮断バルーンに連結されて連通するバルーンチューブと、
前記バルーンチューブの他端に連結されて患者の体外に設置され、前記遮断バルーンを膨張または収縮させるバルーン調節器とをさらに含むことを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。 - 前記遮断部は、前記連結チューブが貫通するように設置され、中心軸が前記連結チューブに斜めに形成されたリング状ワイヤーと、
前記連結チューブと前記リング状ワイヤーとを連結する遮断膜とをさらに含むことを特徴とする、請求項1に記載の組立型三尖弁逆流症手術用器具。
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