Improvement on Automatic Bubble Flowmeter

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概要

• 論文の詳細を見る

• The automatic bubble flowmeter with vacuum tubes which has been used so far is apt to be unreliable. In view of this, we have completed a reliable, easy-to-operate, automatic bubble flowmeter in which vacuum tubes are replaced by transistors. It has a U-shape glass tube and a time ordinator, which enables flow velocity to be recorded on smoked paper. It was impossible with the old bubble flowmeter with simple U-shape glass tube to determine flow volume above 250 cc/min. The new flowmeter tube is fitted with a bypass joining the necks which enables the total flow volume to be determined from the partial volume passing through the U-tube. By this method flow volume can now be determined up to 1250 cc/min. In addition this paper includes a report on determinations of cardiac output, coronary blood flow and femoral blood flow in animals, which were carried out with the new flowmeter.

• 社団法人日本循環器学会の論文
• 1961-04-15

著者

• Ohashi Shigeru

  Department Of Pharmacology Nippon Medical School

• YAGO NAGATAKA

  Department of Pharmacology, Nippon Medical School

• Yago Nagataka

  Department Of Pharmacology Nippon Medical School

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