Ultrasonic diagnostic apparatus

Details Ultrasonic diagnostic apparatus Ultrasonic diagnostic apparatus

1994-06-28

1996-05-14

Jaworski, Francis

Surgery

Truss

Pad

A61B 806

Patent

active

055158579

ABSTRACT:
A bloodstream velocity image is formed by scanning a two-dimensional region including a blood vessel in a body to be examined with an ultrasonic wave. A velocity profile is formed by distributing either one of average velocities and maximum velocities of bloodstream velocities at a plurality of positions arranged along a first direction, along a second direction which is perpendicular to the first direction and extending across the blood vessel. A bloodstream volume is calculated from the velocity profile and a blood vessel diameter. Thus, an error caused by movement of a blood vessel accompanying pulsation can be decreased.

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patent: 5379771 (1995-01-01), Kawasaki et al.
patent: 5425365 (1993-03-01), Iinuma

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