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ウェアラブル全置換型人工心臓システム用小型空気圧駆動装置の開発-駆動装置の小型高効率化に関する基礎的検討-

ウェアラブル全置換型人工心臓システム用小型空気圧駆動装置の開発-駆動装置の小型高効率化に関する基礎的検討-

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カテゴリ: 論文誌(論文単位)

グループ名: 【C】電子・情報・システム部門

発行日: 2015/11/01

タイトル(英語): Development of a Compact Pneumatic Drive Unit for a Wearable Total Artificial Heart System―Improvement and Evaluation on the Size and Power Consumption of the Drive Unit―

著者名: 大沼 健太郎(国立循環器病研究センター研究所),住倉 博仁(国立循環器病研究センター研究所),築谷 朋典(国立循環器病研究センター研究所),巽 英介(国立循環器病研究センター研究所),妙中 義之(国立循環器病研究センター研究所),武輪 能明(国立循環器病研究センター研究所),水野 敏秀(国立循環器病研究センター研究所),片野 一夫(東京電機大学理工学部),小嶋 孝一((株)イワキ),向林 宏((株)イワキ),本間 章彦(東京電機大学理工学部)

著者名(英語): Kentaro Ohnuma (National Cerebral and Cardiovascular Center Research Institute), Hirohito Sumikura (National Cerebral and Cardiovascular Center Research Institute), Tomonori Tsukiya (National Cerebral and Cardiovascular Center Research Institute), Eisuke Tatsumi (National Cerebral and Cardiovascular Center Research Institute), Yoshiyuki Taenaka (National Cerebral and Cardiovascular Center Research Institute), Yoshiaki Takewa (National Cerebral and Cardiovascular Center Research Institute), Toshihide Mizuno (National Cerebral and Cardiovascular Center Research Institute), Kazuo Katano (School of Science and Engineering Tokyo Denki University), Koichi Kojima (IWAKI Co., Ltd.), Hiroshi Mukaibayashi (IWAKI Co., Ltd.), Akihiko Homma (School of Science and Engineering Tokyo Denki University)

キーワード: 全置換型人工心臓,空気圧駆動装置,ピストン-クランク機構,模擬循環試験  Total artificial heart,Pneumatic drive unit,Piston-crank mechanism,Mock circulation test

要約(英語): We have been developing a pneumatic total artificial heart (PTAH) system which was driven by a wearable pneumatic drive unit (WPD). The WPD which have driven one blood pump by one actuator, called as WPD100, had problems such as high power consumption, large size and excessive negative air pressure. To solve these problems, we developed a WPD twin head type (WPD TH) equipped with a mechanism to drive two pumps by one actuator and relief valves to avoid excessive negative pressure. In this study, we evaluated the performance and characteristics of the WPD TH in a mock circulation test and numerical calculation. As a result, the maximum flow rates of the left and right pumps driven by the WPD TH were 7.9 L/min and 9.3 L/min even under the pressure release in diastole. The maximum power consumption and the efficiency were 27.6 W and 6.6% in the case of right and left pumps driven from side to side, and these were improved in comparison with WPD100. The alternate drive method had advantages of suppressing vibration and a mechanical load in the numerical calculation. These results indicated that the WPD TH had a basic performance to realize a wearable PTAH system.

本誌: 電気学会論文誌C(電子・情報・システム部門誌) Vol.135 No.11 (2015) 特集:電気関係学会関西連合大会

本誌掲載ページ: 1376-1385 p

原稿種別: 論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejeiss/135/11/135_1376/_article/-char/ja/

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