Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1999-02-25
2000-11-14
Jaworski, Francis J.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
600461, A61B 800
Patent
active
061463299
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. A sensor which measures the tip length of the puncture needle is used to set up the first area.
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Abstract of Japan, Ultrasonic Tomographic Apparatus for Guiding Puncture Needle, Nov. 28, 1988, Hitachi Medical Corp, Kenichi Hirayae.
Fujitsu Limited
Jaworski Francis J.
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