Ultrasonic diagnostic apparatus
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United States of America Patent
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-
Oct 19, 1999
Grant Date -
N/A
app pub date -
Nov 19, 1997
filing date -
Jul 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is provided an ultrasonic diagnostic apparatus in which ultrasonic waves are transmitted into the subject, the ultrasonic waves reflected within the subject are received to obtain received signals, and an image is produced in accordance with the received signals thus obtained, and particularly to an ultrasonic diagnostic apparatus having a function of guiding a puncture needle to be introduced into the subject. Of a scanning area formed with a number of scanning lines scanned by ultrasonic waves, within the subject, a first area including a part or a whole of a passage of a puncture needle is scanned with a scanning density higher than that of a second area, excepting the first area, of said scanning area.
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