Patent ID: 11944497
Assignee: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 23:
24. The method of claim 2, further comprising:
transmitting the plane ultrasound beams to the user-selected scanning target along an ultrasound propagation direction;
receiving the echoes of the plane ultrasound beams to obtain a group of plane ultrasound echo signals;
obtaining at least two frames of image data according to the group of plane ultrasound echo signals, selecting a tracking region in a first frame of image data and searching a tracking result region in a second frame of image data which corresponds to the tracking region, and obtaining the flow velocity vector information of the user-selected target points according to locations of the tracking region and the tracking result region and a time interval between the first frame and the second frame of image data; and

obtaining the Doppler flow velocity information according to the group of plane ultrasound echo signals.