JP7123293B2 - 弁形成用バルーンポンピングシステム - Google Patents
弁形成用バルーンポンピングシステム Download PDFInfo
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- JP7123293B2 JP7123293B2 JP2018093835A JP2018093835A JP7123293B2 JP 7123293 B2 JP7123293 B2 JP 7123293B2 JP 2018093835 A JP2018093835 A JP 2018093835A JP 2018093835 A JP2018093835 A JP 2018093835A JP 7123293 B2 JP7123293 B2 JP 7123293B2
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Description
青線は動脈圧波形の1周期を示し、横軸が時間、縦軸が動脈圧値す動脈圧波形は、大動脈弁後の動脈の血流量と相関することを示す。黄色線は左室圧波形の1周期を示し、横軸が時間、縦軸が左心圧値す左室圧波形は、左室のポンプ機能と相関することを示す。収縮期では、左心室が収縮し大動脈弁が解放されており、多くの血流が心臓から動脈へと送り出され、拡張期では、左心室が拡張し、大動脈弁が閉鎖され、動脈(末梢側)の血流量は小さくなる。動脈圧と左室圧の同時圧格差が弁機能の状態を表す。
Claims (4)
- 大動脈弁狭窄症を有する大動脈弁の拡張用のバルーンを備える弁形成用バルーンポンピングシステムであって、
患者の心電図データを取得する心電図データ取得手段と、
前記心電図データに基づいて患者の予測心拍動周期を算出する、予測心拍動周期算出手段と、カテーテルを介して前記バルーン内へキャリア流体の導入及び排出を行うバルーン動作手段と、を備え、
前記バルーンは、患者の大動脈内の大動脈弁を含む領域に留置されるものであり、そのサイズは拡張時に全ての大動脈に対して当接できる短径を有し、、
前記バルーン動作手段における前記キャリア流体の導入及び排出は、前記予測心周期に基づく患者の拍動に同期して行う、
ことを特徴とする弁形成用バルーンポンピングシステム。 - 患者の動脈圧波形データを取得する動脈圧波形データ取得手段と、前記動脈圧波形データに基づいて前記予測心周期を補正する、予測心周期補正手段と、を備える、ことを特徴とする請求項1に記載の弁形成用バルーンポンピングシステム。
- 前記バルーンは、複数のバルーンで構成される、ことを特徴とする請求項1又は2のいずれかに記載の医療用バルーン装置。
- 前記キャリア流体は、ヘリウムガスである、ことを特徴とする請求項1~3のいずれかに記載の医療用バルーン装置。
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JP2018093835A JP7123293B2 (ja) | 2018-05-15 | 2018-05-15 | 弁形成用バルーンポンピングシステム |
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JP2019198417A JP2019198417A (ja) | 2019-11-21 |
JP7123293B2 true JP7123293B2 (ja) | 2022-08-23 |
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CN114259646A (zh) * | 2022-01-11 | 2022-04-01 | 丰凯利医疗器械(上海)有限公司 | 血液循环辅助装置及控制系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080004485A1 (en) | 2006-06-30 | 2008-01-03 | Moreschi Rafael M | Trans-Septal Heart Assist Devices and Methods of Use |
WO2013180286A1 (ja) | 2012-05-31 | 2013-12-05 | 日本ゼオン株式会社 | タイミング検出装置、タイミング検出プログラム、iabp駆動装置及びiabp駆動プログラム |
JP2014509218A (ja) | 2011-01-18 | 2014-04-17 | ロマ ヴィスタ メディカル、インコーポレイテッド | 膨張式医療用デバイス |
US20170252543A1 (en) | 2016-03-04 | 2017-09-07 | C.R.Bard, Inc. | Perfusion balloon with internal valve |
JP2018057880A (ja) | 2017-11-10 | 2018-04-12 | 日本光電工業株式会社 | 生体情報測定装置、生体情報測定方法、及びプログラム |
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2018
- 2018-05-15 JP JP2018093835A patent/JP7123293B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080004485A1 (en) | 2006-06-30 | 2008-01-03 | Moreschi Rafael M | Trans-Septal Heart Assist Devices and Methods of Use |
JP2014509218A (ja) | 2011-01-18 | 2014-04-17 | ロマ ヴィスタ メディカル、インコーポレイテッド | 膨張式医療用デバイス |
WO2013180286A1 (ja) | 2012-05-31 | 2013-12-05 | 日本ゼオン株式会社 | タイミング検出装置、タイミング検出プログラム、iabp駆動装置及びiabp駆動プログラム |
US20170252543A1 (en) | 2016-03-04 | 2017-09-07 | C.R.Bard, Inc. | Perfusion balloon with internal valve |
JP2018057880A (ja) | 2017-11-10 | 2018-04-12 | 日本光電工業株式会社 | 生体情報測定装置、生体情報測定方法、及びプログラム |
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JP2019198417A (ja) | 2019-11-21 |
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