Doppler imaging device

Details Doppler imaging device Doppler imaging device

1993-02-08

1994-10-25

Jaworski, Francis

Surgery

Truss

Pad

A61B 806

Patent

active

053579640

ABSTRACT:
A device and method for producing an image of a fluid moving through a medium. An acoustic wave insonifies the medium to produce Doppler shifted scattering from randomly located scatterers in the moving fluid. At least eight channels of acoustic detectors detect signals reflected from the medium and the amplitudes of the scattered signal is determined at each channel for at least one Doppler shifted frequency. Time averaged channel-to-channel amplitude correlations are produced using the Doppler shifted amplitude data from which the image of the moving fluid is calculated.

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