Ultrasonic imaging apparatus

Details Ultrasonic imaging apparatus Ultrasonic imaging apparatus

1990-07-24

1992-01-21

Jaworski, Francis

Surgery

Truss

Pad

7386125, A61B 800

Patent

active

050819968

ABSTRACT:
An ultrasonic imaging apparatus comprises an ultrasonic transducer for transmitting ultrasonic beams to a subject and converting echoes from the subject to echo signals, a scan controller for selectively switching a scanning mode between a first scanning mode in which a predetermined number of rasters in each of a plurality of scanning blocks each having the predetermined number of rasters are scanned repeatedly and echo signals at a predetermined number of sample points in each of the rasters are extracted block by block and a second scanning mode in which a plurality of rasters are repeatedly scanned a predetermined number of times while at least one raster is shifted sequentially and data are output at constant intervals, a transmitter/receiver circuit for driving the ultrasonic transducer in accordance with a scanning mode selected by the scan controller, processes the echo signals output from the ultrasonic transducer to output an image signal and a television monitor for visually displaying the image signal.

REFERENCES:
patent: 4817619 (1989-04-01), Sugiyama et al.
patent: 4888694 (1989-12-01), Chesarek
patent: 4993417 (1991-02-01), Seo
patent: 5014710 (1991-05-01), Maslak et al.

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