Ultrasonic diagnostic apparatus

Details Ultrasonic diagnostic apparatus Ultrasonic diagnostic apparatus

1988-10-07

1990-12-25

Jaworski, Francis

Surgery

Truss

Pad

7386125, A61B 800

Patent

active

049795139

ABSTRACT:
Pulses of an ultrasonic wave beam are emitted into a body at a predetermined repetition period. Echo pulses of the ultrasonic wave beam are received via a plurality of different channels. Each of the received pulses is converted simultaneously into corresponding electric signals of the respective channels. A time-dependent change in a variation between the electric signals of the respective channels is derived. A component of a speed of moving matter within the body in a predetermined direction is calculated on the basis of the derived time-dependent change. The moving matter causes the echo pulses. The predetermined direction is perpendicular to a direction of travel of the ultrasonic wave beam pulses.

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patent: 4759375 (1988-07-01), Namehawa
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patent: 4790322 (1988-12-01), Iinuma
patent: 4800891 (1989-01-01), Kim

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