NEWLY DEVELOPED BLOOD PUMP AND CONTROL UNIT FOR NEONATAL EXTRACORPOREAL MEMBRANE OXYGENATION
We developed a new automatically driven blood pump for neonatal extracorporeal membrane oxygenation circuit. Our blood pumps consisted of a pair of sac-typed air driven blood pumps with LED sensors, which are controlled with three types of pumping mode. A-mode: the output was as same as the intake m...
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| Published in | Jinko Zoki Vol. 23; no. 1; pp. 328 - 331 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Japanese |
| Published |
JAPANESE SOCIETY FOR ARTIFICIAL ORGANS
1994
一般社団法人 日本人工臓器学会 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0300-0818 1883-6097 |
| DOI | 10.11392/jsao1972.23.328 |
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| Abstract | We developed a new automatically driven blood pump for neonatal extracorporeal membrane oxygenation circuit. Our blood pumps consisted of a pair of sac-typed air driven blood pumps with LED sensors, which are controlled with three types of pumping mode. A-mode: the output was as same as the intake meeting the Starling's law, B-mode: the output was modified by delaying compression of the blood chambers after they filled, and C-mode: the blood pumps kept a constant output by applying positive or negative pressure on the air chambers regardless of the resistence at both the inflow and outflow. These characteristics of each mode were demonstrated on a mock circulation. Our experiment suggests the usefulness combining these modes for neonatal ECMO, and makes all of ECMO course automatically controlled and safely operated starting and maintaining with A-mode and B-mode, and weaning performed with C-mode. |
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| AbstractList | We developed a new automatically driven blood pump for neonatal extracorporeal membrane oxygenation circuit. Our blood pumps consisted of a pair of sac-typed air driven blood pumps with LED sensors, which are controlled with three types of pumping mode. A-mode: the output was as same as the intake meeting the Starling's law, B-mode: the output was modified by delaying compression of the blood chambers after they filled, and C-mode: the blood pumps kept a constant output by applying positive or negative pressure on the air chambers regardless of the resistence at both the inflow and outflow. These characteristics of each mode were demonstrated on a mock circulation. Our experiment suggests the usefulness combining these modes for neonatal ECMO, and makes all of ECMO course automatically controlled and safely operated starting and maintaining with A-mode and B-mode, and weaning performed with C-mode. We developed a new automatically driven blood pump for neonatal extracorporeal membrane oxygenation circuit. Our blood pumps consisted of a pair of sac-typed air driven blood pumps with LED sensors, which are controlled with three types of pumping mode. A-mode: the output was as same as the intake meeting the Starling's law, B-mode: the output was modified by delaying compression of the blood chambers after they filled, and C-mode: the blood pumps kept a constant output by applying positive or negative pressure on the air chambers regardless of the resistence at both the inflow and outflow. These characteristics of each mode were demonstrated on a mock circulation. Our experiment suggests the usefulness combining these modes for neonatal ECMO, and makes all of ECMO course automatically controlled and safely operated starting and maintaining with A-mode and B-mode, and weaning performed with C-mode. 新しく試作した新生児用自動制御ECMO装置について模式循環回路を使用して性能評価を行った。検討した自動制御モードは、A:帰来量の全てを拍出するAutomaticモード、B:ポンプの拡張期から駆出期への移行を遅らせることにより、帰来量からある程度減量した拍出量となるDelayモード、C:設定された拍動数で駆動空気圧の陽・陰圧を自動調整して常時一定量を取り込み、拍出するConstantモード、の3種類である。結果:(1)Aモードでの駆動; 前負荷一定、後負荷増加で、拍出回数・流:量は不変、駆動空気圧は上昇した。後負荷一定、前負荷増加で、拍出回数・駆動空気圧・流量は増加した。(2)Bモードでの駆動; 帰来量のある程度減量した拍出量になった。(3)Cモードでの駆動; 前負荷一定、後負荷増加で、流量は変化なく、陽圧は上昇した。後負荷一定、前負荷増加で、陰圧は減少、陽圧は変化しなかった。 |
| Author | TAKAGI, H. ITO, T. SEO, T. UMEDA, T. ITO, F. SUZUKI, A. |
| Author_FL | 伊藤 喬廣 梅田 隆司 瀬尾 孝彦 伊藤 不二男 高木 啓之 鈴木 晃 |
| Author_FL_xml | – sequence: 1 fullname: 梅田 隆司 – sequence: 2 fullname: 伊藤 喬廣 – sequence: 3 fullname: 瀬尾 孝彦 – sequence: 4 fullname: 伊藤 不二男 – sequence: 5 fullname: 高木 啓之 – sequence: 6 fullname: 鈴木 晃 |
| Author_xml | – sequence: 1 fullname: ITO, F. organization: Department of Surgery, Nagoya University Branch Hospital – sequence: 1 fullname: UMEDA, T. organization: Department of Surgery, Nagoya University Branch Hospital – sequence: 1 fullname: SEO, T. organization: Department of Surgery, Nagoya University Branch Hospital – sequence: 1 fullname: TAKAGI, H. organization: SEIJO CLINIC – sequence: 1 fullname: SUZUKI, A. organization: AISIN HUMAN SYSTEMS CO., LTD – sequence: 1 fullname: ITO, T. organization: Department of Surgery, Nagoya University Branch Hospital |
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| References | 5) 高木啓之, 高木登志子: 心臓のStarlingの法則の血液ポンプへの導入. 人工臓器20: 887, 1991 2) Ito T, Takagi H, Seo T: New Neonatal and Pediatric Veno-Arterial Extracorporeal Membrane Oxygenation Circuit Using Automatically Driven Pumps. Artificial Organs 14: 186, 1990 4) 瀬尾孝彦, 伊藤喬廣, 飯尾賢治, 加藤純爾, 高木啓之: 自動制御血液ポンプを用いた新生児・小児用自動ECMO装置の開発と性能. 人工臓器21: 32, 1992 3) 瀬尾孝彦, 伊藤喬廣, 飯尾賢治, 加藤純爾, 高木啓之: 改良型高木式ポンプを用いた小児用自動制御ECMO装置の開発. 人工臓器20: 1195, 1991 6) Takagi H, Okamoto A, Takamatu M: New Artificial Heart Which Operates on Starling's Law. Artificial Organs 14: 49, 1991 1) 瀬尾孝彦, 伊藤喬廣, 飯尾賢治, 岸田喜彦, 加藤純爾, 原田徹, 高木啓之: 先天性横隔膜ヘルニアに応用可能な新生児用ECMO回路の試作. 小児外科22: 793, 1990 |
| References_xml | – reference: 3) 瀬尾孝彦, 伊藤喬廣, 飯尾賢治, 加藤純爾, 高木啓之: 改良型高木式ポンプを用いた小児用自動制御ECMO装置の開発. 人工臓器20: 1195, 1991 – reference: 4) 瀬尾孝彦, 伊藤喬廣, 飯尾賢治, 加藤純爾, 高木啓之: 自動制御血液ポンプを用いた新生児・小児用自動ECMO装置の開発と性能. 人工臓器21: 32, 1992 – reference: 2) Ito T, Takagi H, Seo T: New Neonatal and Pediatric Veno-Arterial Extracorporeal Membrane Oxygenation Circuit Using Automatically Driven Pumps. Artificial Organs 14: 186, 1990 – reference: 5) 高木啓之, 高木登志子: 心臓のStarlingの法則の血液ポンプへの導入. 人工臓器20: 887, 1991 – reference: 6) Takagi H, Okamoto A, Takamatu M: New Artificial Heart Which Operates on Starling's Law. Artificial Organs 14: 49, 1991 – reference: 1) 瀬尾孝彦, 伊藤喬廣, 飯尾賢治, 岸田喜彦, 加藤純爾, 原田徹, 高木啓之: 先天性横隔膜ヘルニアに応用可能な新生児用ECMO回路の試作. 小児外科22: 793, 1990 |
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| SubjectTerms | automatic control system ECMO neonate |
| Title | NEWLY DEVELOPED BLOOD PUMP AND CONTROL UNIT FOR NEONATAL EXTRACORPOREAL MEMBRANE OXYGENATION |
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