Patent ID: 6638226
Filing Date: 2003-10-28
Classification: A61B,G01S

Abstract:
A portable ultrasound system for scanning a region of interest with ultrasound energy to image a fluid moving within the region of interest comprising.a hand held probe having a transducer array mounted therein; a front-end interface unit having a beamforming device and a transceiver chip, the front-end interface unit being connected to the handheld probe and to a data processing system; a Doppler processing system disposed in the data processing system, having at least one parallel computing element, and a memory coupled to the at least one parallel computing element, the memory having stored therein a sequence of instructions to execute Doppler processing by demodulating data collected from the region of interest to obtain in-phase and quadrature data, averaging a plurality of frames of data, and converting phase shift data to an index.