High resolution 3d ultrasound imaging system deploying a...

Details High resolution 3d ultrasound imaging system deploying a... High resolution 3d ultrasound imaging system deploying a...

G - Physics

01

S

G01S 15/89 (2006.01) A61B 8/00 (2006.01)

Patent

CA 2290240

An adaptive multidimensional beamformer having near-instantaneous convergence for ultrasound imaging systems deploying multidimensional sensor arrays is disclosed. In a first step, the multidimensional beamformer is decomposed into sub-apertures. Each sub-aperture is then again decomposed into two coherent subsets of circular and/or line array beamformers in different coordinate directions of the multidimensional array. Implementation of the multidimensional beamformer according to the present invention provides the basis for a 3D ultrasound imaging system according to the present invention comprising a compact multidimensional sensor array and a compact processing unit that is field deployable and generates high resolution three--dimensional images in real time. It is also possible to capture four- dimensional images, the fourth dimension being time and the resulting images forming a video image of a volume of a moving organ.

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