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  1. 060 工学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

植込み型除細動器における血圧センサを用いた細動検出方法および出力回路の検討

http://hdl.handle.net/10191/25896
http://hdl.handle.net/10191/25896
b160931f-ac5c-4522-9559-26026a5e43e3
名前 / ファイル ライセンス アクション
24_3_157-162.pdf 24_3_157-162.pdf (649.0 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-02-28
タイトル
タイトル 植込み型除細動器における血圧センサを用いた細動検出方法および出力回路の検討
タイトル
タイトル 植込み型除細動器における血圧センサを用いた細動検出方法および出力回路の検討
言語 en
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
その他のタイトル
その他のタイトル Fibrillation Detection Method Using Blood Pressure Sensor and Evaluation of Output Circuit in Implantable Defibrillator
著者 牧野, 秀夫

× 牧野, 秀夫

WEKO 38799

牧野, 秀夫

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斉藤, 義明

× 斉藤, 義明

WEKO 38800

斉藤, 義明

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三田村, 好矩

× 三田村, 好矩

WEKO 38801

三田村, 好矩

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三上, 智久

× 三上, 智久

WEKO 38802

三上, 智久

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著者別名
識別子Scheme WEKO
識別子 38803
姓名 Makino, Hideo
著者別名
識別子Scheme WEKO
識別子 38804
姓名 Saitoh, Yoshiaki
著者別名
識別子Scheme WEKO
識別子 38805
姓名 Mitamura, Yoshinori
著者別名
識別子Scheme WEKO
識別子 38806
姓名 Mikami, Tomohisa
抄録
内容記述タイプ Abstract
内容記述 To obtain a high reliability of fibrillation detection in an implantable automatic defibrillator, a new fibrillation sensor has been developed, and also the defibrillator circuit has been improved. For reliable fibrillation sensing, dual criteria before delivering a shock has been required. Therefore, for the first purpose, a new fibrillation sensing method feasible to simultaneous use with existing ECG sensing, was considered. In our research, blood pressure variation was used as another fibrillation detection factor, and a loss of rhythmic output of the sensor was used to detect fibrillation condition. To be more specific, to detect blood pressure variations intravenously, a catheter type variable capacitance pressure sensor of low power consumption was developed. As the sensing unit, an electret condenser microphone (Matsushita Electric Co. Ltd.: WM 063) was used. The outside was covered with an adhesive (Ciba Geigy Co. Ltd.: Araldite) and polyurethane (Nippon polyurethane Co. Ltd.: P-22 S) for waterproofing and providing antithrombogenesity. For the second purpose, the output circuit of the defibrillator was improved. A gate turn-off thyristor (Hitachi Co. Ltd.: GFT 20 B) was used as an output switching device for consuming energy effectively. The developed sensor and defibrillator were tested in animal experiments. The blood pressure sensor was able to detect the right ventricular pressure variations for 6 weeks at maximum in chronic experiments using 4 mongrel dogs. In acute experiments, the sensor detected electrically induced fibrillation, and defibrillating shock was delivered automatically. Moreover, recharge time after the first stimulation was about 25% shorter because of the residual energy remaining in the capacitor by the improved output circuit. From the results, it has become possible to detect fibrillation reliably using blood pressure sensor as well as ECG. Therefore, by combining the blood pressure sensor and ECG sensing for accurate fibrillation sensing, and by improving the output circuit, development of a high-performance defibrillator has become possible.
書誌情報 医用電子と生体工学
en : 医用電子と生体工学

巻 24, 号 3, p. 157-162, 発行日 1986-06
出版者
出版者 日本生体医工学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 00213292
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00016981
著者版フラグ
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