Patent · US Active

Synthetic aperture doppler ultrasound methods and apparatus

US9658331B2 · kind B2 · utility

1Cited by

17References

21Claims

0Family size

Assignee

Carestream Health, Inc. · US

Inventors

Bhaskar Ramamurthy · Los Altos, US
Sean Murphy · Sunnyvale, US

Key dates

Filing date	Nov 25, 2013
Grant date	May 23, 2017
Priority date	—
Expiry date	Jan 4, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG01S15/8988
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Ultrasound data is acquired by a synthetic aperture technique which uses multiple ultrasound transmissions from point sources. RF data is stored and processed. Doppler velocities for pixels in an insonified region are obtained by processing the stored data. One or more pan boxes may be provided. Doppler velocities may be determined by obtaining I and Q images for a plurality of frames and performing autocorrelation across the frames for some or all pixels in the frames.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.