3D ultrasound imaging using 2D array

Details 3D ultrasound imaging using 2D array 3D ultrasound imaging using 2D array

1998-10-07

2000-09-26

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

128916, 128147, 600447, A61B 800

Patent

active

061236691

ABSTRACT:
A three-dimensional imaging method using an ultrasound wave enables a region of interest to be extracted through threshold processing. The method above has its image readily adversely affected and the technique has not yet been too much advanced from the practical viewpoint. By creating an image based on the harmonics components contained in an echo signal it is possible to acquire a high image quality and to advance a practical application of the three-dimensional imaging by the ultrasound wave. The harmonics wave is produced in proportion to sound pressure. That is, the higher the sound pressure, more harmonics components are produced. As a result, the ultrasound beam is effectively narrowed and the spatial resolution is improved. Since the harmonics components are not too much produced from a grating lobe lower in sound pressure than a main lobe, the production of the grating lobe is effectively suppressed, so that an image quality is prominently improved.

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