Three-dimensional ultrasound imaging method and device
AssigneeShenzhen Mindray Bio-Medical Electronics Co., Ltd.
InventorsYaoxian Zou, Muqing Lin, Zhijie Chen
Life of this patent
Estimating the term…
Abstract
The three-dimensional ultrasound imaging method comprise emitting an ultrasonic wave to a fetal head; receiving an ultrasonic echo to acquire an ultrasonic echo signal; acquiring three-dimensional volume data of the fetal head according to the ultrasonic echo signal; detecting a median sagittal section from the three-dimensional volume data according to features of the median sagittal section of the fetal head; determining a facing orientation of the fetal head in the median sagittal section; displaying the median sagittal section as an image suitable for observation according to the facing orientation of the fetal head.
Claims13
A three-dimensional ultrasound imaging method, comprising:
- transmitting ultrasound waves to a fetal head;
- receiving ultrasound echoes to obtain ultrasound echo signals;
- obtaining a three-dimensional volume data of the fetal head according to the ultrasound echo signals;
- extracting a median sagittal section image from the three-dimensional volume data based on characteristics of a median sagittal section of a fetal head;
- detecting image regions representing specific tissue areas of the fetal head in at least one of the extracted median sagittal section image and a section image which is parallel to or intersects with the extracted median sagittal section image;
- determining an orientation of the fetal head in the extracted median sagittal section image based on the image regions;
- and
- rotating the extracted median sagittal section image based on the orientation of the fetal head such that in the rotated and extracted median sagittal section image the fetal head is in a pre-set orientation, or marking the orientation of the fetal head in the extracted median sagittal section image.
A three-dimensional ultrasound imaging device, comprising:
- a probe which transmits ultrasound waves to a fetal head and receives ultrasound echoes to obtain ultrasound echo signals;
- a three-dimensional imaging unit which obtains a three-dimensional volume data of the fetal head using the ultrasound echo signals, extracts a median sagittal section image from the three-dimensional volume data based on characteristics of a median sagittal section of a fetal head, determines an orientation of the fetal head in the extracted median sagittal section image, and rotates the extracted median sagittal section image based on the orientation of the fetal head such that in the rotated and extracted median sagittal section image the fetal head is in a pre-set orientation or marks the orientation of the fetal head in the extracted median sagittal section image;
- and
- a display which displays the extracted median sagittal section image.
A three-dimensional ultrasound imaging method, comprising:
- transmitting ultrasound waves to a fetal head;
- receiving ultrasound echoes to obtain ultrasound echo signals;
- obtaining a three-dimensional volume data of the fetal head according to the ultrasound echo signals;
- extracting a median sagittal section image from the three-dimensional volume data based on characteristics of a median sagittal section of a fetal head;
- detecting at least two image regions representing specific tissue areas of the fetal head which have a mutual positional relationship in at least one of the extracted median sagittal section image and a section image which is parallel to or intersects with the extracted median sagittal section image;
- determining an orientation of the fetal head in the extracted median sagittal section image based on the positions and/or shapes of these image regions;
- and
- rotating the extracted median sagittal section image based on the orientation of the fetal head such that in the rotated and extracted median sagittal section image the fetal head is in a pre-set orientation, or marking the orientation of the fetal head in the extracted median sagittal section image.
Dependencies are inferred from the claim text.