US 10,376,233 B2
Diffraction source compensation in medical diagnostic ultrasound viscoelastic imaging
Yassin Labyed, Maple Valley, WA (US); and Liexiang Fan, Sammamish, WA (US)
Assigned to Siemens Medical Solutions USA, Inc., Malvern, PA (US)
Filed by Siemens Medical Solutions USA, Inc., Malvern, PA (US)
Filed on Apr. 8, 2016, as Appl. No. 15/94,883.
Prior Publication US 2017/0290560 A1, Oct. 12, 2017
Int. Cl. A61B 8/00 (2006.01); A61B 8/08 (2006.01); G01S 7/52 (2006.01); G01S 15/89 (2006.01)
CPC A61B 8/08 (2013.01) [A61B 8/485 (2013.01); A61B 8/587 (2013.01); G01S 7/5205 (2013.01); G01S 7/52022 (2013.01); G01S 7/52042 (2013.01); G01S 7/52071 (2013.01); G01S 15/8915 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method for viscoelastic imaging with a medical diagnostic ultrasound scanner, the method comprising:
transmitting from a transducer an acoustic radiation force impulse by the ultrasound scanner as a transmit beam with a beam profile along a scan line;
measuring, by a receive beamformer of the ultrasound scanner, displacements as a function of time within the beam profile along the scan line, at least some of the displacements responsive to the acoustic radiation force impulse;
generating, by an image processor, a first profile from the displacements for a first location;
calculating, by the image processor, a scale weighting of the first profile relative to a reference profile;
estimating, by the image processor, a viscoelastic characteristic based on the scale weighting; and
generating on a display an image of the viscoelastic characteristic.