Ultrasonic diagnostic apparatus

Details Ultrasonic diagnostic apparatus Ultrasonic diagnostic apparatus

1997-11-19

1999-10-19

Jaworski, Francis J.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600447, A61B 800

Patent

active

059679859

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.

REFERENCES:
patent: 4346717 (1982-08-01), Haerten
patent: 4567896 (1986-02-01), Barrea et al.
patent: 4870867 (1989-10-01), Shaulor
patent: 5095910 (1992-03-01), Powers
patent: 5379642 (1995-01-01), Reckwerdt et al.
patent: 5471989 (1995-12-01), Roundhill et al.

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