Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Aloka Co Ltd
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Publication date
Application filed by Aloka Co LtdfiledCriticalAloka Co Ltd
Priority to JP5656779UpriorityCriticalpatent/JPS586405Y2/ja
Publication of JPS55156713UpublicationCriticalpatent/JPS55156713U/ja
Application grantedgrantedCritical
Publication of JPS586405Y2publicationCriticalpatent/JPS586405Y2/ja
A combined ultrasonic linear array scanner and pulsed Doppler velocimeter for the estimation of blood flow in the foetus and adult abdomen-I: Technical aspects
Comparison of high pulse repetition frequency and continuous wave Doppler echocardiography for velocity measurement and gradient prediction in children with valvular and congenital heart disease