Methods and systems for blood speckle imaging
US11147539B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2017 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Nov 16, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B8/488
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The systems and methods generally relate to blood speckle imaging. The systems and methods transmit a plurality of transmit (Tx) beams from an ultrasound probe to a region of interest (ROI). The plurality of Tx beams are transmitted successively with respect to each other. At least two of the plurality of Tx beams overlap at a common position. The systems and methods estimate velocity fields from the speckle tracking, and weight the velocity fields based on weighting signals to form weighted velocity fields. The weighting signal being centered at transmit beam axes of the plurality of Tx beams. The systems and methods interpolate the weighted velocity fields that overlap at the common position to adjust a portion of the weighted velocity fields, and generate an image on a display of a combined velocity field by combining the weighted velocity fields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.