Surgery – Truss – Pad
Patent
1990-07-05
1992-09-08
Jaworski, Francis
Surgery
Truss
Pad
12866101, A61B 806
Patent
active
051449544
ABSTRACT:
An ultrasonic diagnosing apparatus is disclosed which performs transmission/reception of an ultrasonic wave with respect to an object by using an ultrasonic transducer, detects a Doppler shift signal from a reception signal, and displays ultrasonic data based on the data obtained by frequency-analyzing the Doppler shift signal. The apparatus includes a control section. The control section controls at least a transmitter/receiver so as to sequentially scan a plurality of ultrasonic beam scanning lines as a group. In addition, the control section performs group scanning by sequentially changing the ultrasonic beam scanning lines selected as the group while repeating sequential scanning within the group, thus performing beam scanning of the entire scanning region, thereby decreasing the sampling frequency for Doppler data without changing the pulse repetition frequency, and scanning in the scanning order of the ultrasonic beam with respect to the group, said scanning order corresponding to the group scanning direction of the ultrasonic beam scanning lines selected as the group.
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Jaworski Francis
Kabushiki Kaisha Toshiba
Manuel George
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