ULTRASONIC DIAGNOSTIC DEVICE

PROBLEM TO BE SOLVED: To provide the continuous images of a concerned time phase as many as number of heart beats without increasing the capacitance of an ultrasonic scan line memory by setting the concerned time phase of any arbitrary period during one heart beat of a signal of a living body and recording the image of that concerned time phase. SOLUTION: A living body signal and concerned time phase mark generating part 13 is provided for inputting the signal of the living body from an electrocardiograph 11 as a signal detecting means, fetching signal into a signal memory, reading out that signal, sending it to a display device 9 and generating a mark showing the concerned time phase of arbitrary width on this signal of the living body. Then, a concerned time phase setting control panel 14 for setting the concerned time phase of the arbitrary period during one heart beat of the signal is connected to an operation control panel 12, and only the image of the concerned time phase set by this concerned time phase setting control panel 14 is repeatedly recorded in an ultrasonic scan line memory group 5. Thus, the continuous images of the concerned time phase can be provided for many heart beats without increasing the capacitance of the ultrasonic scan line memory.