CN-122004912-A - Multi-part joint scanning method and device, medical imaging equipment and computer equipment

CN122004912ACN 122004912 ACN122004912 ACN 122004912ACN-122004912-A

Abstract

The invention relates to the technical field of medical imaging, and discloses a multi-part joint scanning method, a multi-part joint scanning device, medical imaging equipment and computer equipment. Firstly, determining the reconstruction range of at least two parts to be scanned based on the locating slice images. Then, a moving bed range is determined based on the reconstruction range of at least two parts to be scanned and the corresponding scanning modes. And generating a scanning sequence based on the moving bed range and preset scanning parameters, wherein the scanning sequence comprises a sub-scanning sequence corresponding to each part to be scanned, and the adjacent sub-scanning sequences are automatically switched in the scanning process. And finally, sending a scanning sequence to the medical imaging equipment to obtain scanning data, and obviously improving the efficiency of multi-part joint scanning on the premise of ensuring the image quality.

Inventors

LI WEI
LIU JINJUN
TONG LIXIA
LOU SHANSHAN

Assignees

东软医疗系统股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260327

Claims (12)

1. A multi-site joint scan method, the method comprising: Determining the reconstruction range of at least two parts to be scanned based on the positioning sheet image; determining a moving bed range based on the reconstruction range of the at least two parts to be scanned and the corresponding scanning mode; Generating a scanning sequence based on the moving bed range and preset scanning parameters, wherein the scanning sequence comprises a sub-scanning sequence corresponding to each part to be scanned, and the adjacent sub-scanning sequences are automatically switched in the scanning process; the scan sequence is transmitted to a medical imaging device to obtain scan data.
2. The method of claim 1, wherein the at least two locations to be scanned include a first location to be scanned and a last location to be scanned, the determining a range of motion based on a reconstructed range of the at least two locations to be scanned and a corresponding scan pattern comprising: Determining a sub-moving bed range of the part to be scanned according to the reconstruction range of each part to be scanned and the corresponding scanning mode, wherein exposure operation is carried out in the sub-moving bed range; Determining the initial position of the moving bed range according to the sub-moving bed range of the first part to be scanned; Determining the end position of the moving bed range according to the sub-moving bed range of the part to be scanned; wherein the range of motion includes the sub-range of motion for each of the locations to be scanned.
3. The method of claim 1, wherein the obtaining scan data comprises: The medical imaging equipment obtains a sub-moving bed range of each part to be scanned, a scanning time corresponding to each part to be scanned and a scanning interval time corresponding to an adjacent part to be scanned based on at least the scanning sequence, wherein the scanning interval time is a non-exposure time; The medical imaging equipment determines scanning bed movement information corresponding to the moving bed range according to the sub-moving bed range of each part to be scanned, the scanning time and the scanning interval time corresponding to each part to be scanned, wherein the scanning bed movement information comprises the position and the speed information of a scanning bed; and the medical imaging equipment controls the scanning bed to move according to the scanning bed movement information, and performs exposure acquisition in a sub-moving bed range corresponding to each part to be scanned to obtain scanning data.
4. A method according to claim 3, further comprising: constructing scanning conditions of the pre-scanned part to be scanned in the scanning interval time, wherein the scanning conditions comprise high-voltage information required to be built when the pre-scanned part to be scanned is scanned; and triggering exposure immediately when the scanning bed moves to the initial position of the sub-moving bed range of the part to be scanned in the pre-scanning.
5. The method of claim 4, wherein the site to be scanned comprises a motion site, the method further comprising: And scanning the motion part under the condition of no gating signal or gating signal.
6. The method of claim 5, wherein scanning the motion site in the presence of a gating signal further comprises: and controlling the movement of the scanning bed based on the gate control signal in the scanning interval time so that the scanning bed moves to the initial position of the sub-moving bed range of the moving part at the target phase time or the preset time before the target phase time of the moving part.
7. The method according to claim 1, wherein the scanning mode of the previous part to be scanned among the adjacent parts to be scanned adopts a spiral scanning mode, and after the scanning of the previous part to be scanned is completed, the part to be scanned is directly moved to the starting position of the sub-moving range of the next part to be scanned without stopping the bed.
8. The method according to any one of claims 1-7, wherein the region to be scanned comprises a head and neck region and a heart region, the method being suitable for coronary enhanced scanning.
9. The method of claim 8, wherein the cardiac site is scanned using an axial scan and the head and neck site is scanned using a helical scan.
10. A multi-site joint scanning apparatus, the apparatus comprising: The reconstruction range determining module is used for determining the reconstruction range of at least two parts to be scanned based on the locating piece image; The moving bed range determining module is used for determining a moving bed range based on the reconstruction range of the at least two parts to be scanned and the corresponding scanning modes; The scanning sequence generation module is used for generating a scanning sequence based on the moving bed range and preset scanning parameters, wherein the scanning sequence comprises a sub-scanning sequence corresponding to each part to be scanned, and the adjacent sub-scanning sequences are automatically switched in the scanning process; and the scanning data acquisition module is used for sending the scanning sequence to the medical imaging equipment so as to acquire scanning data.
11. A medical imaging device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 9 when the computer program is executed.
12. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any one of claims 1 to 9 when the computer program is executed.

Description

Multi-part joint scanning method and device, medical imaging equipment and computer equipment Technical Field The present invention relates to the field of medical imaging technologies, and in particular, to a multi-position joint scanning method, a multi-position joint scanning device, a medical imaging apparatus, and a computer apparatus. Background In clinical CT examination, when a scan site is discontinuous in the body axis direction (for example, head+pelvis, head and neck cta+heart CTA), the scan site is split into a plurality of independent scan sequences according to the scan site, and the scan is sequentially started by an operator, so that in the process of scanning at different scan sites, operations such as confirmation by the operator, stoppage of a scan bed, acceleration and deceleration are required. The actions increase the overall examination time of the patient and prolong the equipment occupation time. Therefore, a new multi-site joint scan method needs to be proposed. Disclosure of Invention The embodiments of the present specification aim to solve at least one of the technical problems in the related art to some extent. For this reason, the embodiments of the present specification provide a multi-site joint scanning method, apparatus, medical imaging device, and computer device. The embodiment of the specification provides a multi-part joint scanning method, which comprises the following steps: Determining the reconstruction range of at least two parts to be scanned based on the positioning sheet image; determining a moving bed range based on the reconstruction range of the at least two parts to be scanned and the corresponding scanning mode; Generating a scanning sequence based on the moving bed range and preset scanning parameters, wherein the scanning sequence comprises a sub-scanning sequence corresponding to each part to be scanned, and the adjacent sub-scanning sequences are automatically switched in the scanning process; the scan sequence is transmitted to a medical imaging device to obtain scan data. In one embodiment, the at least two to-be-scanned positions include a first to-be-scanned position and a last to-be-scanned position, and the determining the moving bed range based on the reconstructed range of the at least two to-be-scanned positions and the corresponding scanning mode includes: Determining a sub-moving bed range of the part to be scanned according to the reconstruction range of each part to be scanned and the corresponding scanning mode, wherein exposure operation is carried out in the sub-moving bed range; Determining the initial position of the moving bed range according to the sub-moving bed range of the first part to be scanned; Determining the end position of the moving bed range according to the sub-moving bed range of the part to be scanned; wherein the range of motion includes the sub-range of motion for each of the locations to be scanned. In one embodiment, the obtaining scan data includes: The medical imaging equipment obtains a sub-moving bed range of each part to be scanned, a scanning time corresponding to each part to be scanned and a scanning interval time corresponding to an adjacent part to be scanned based on at least the scanning sequence, wherein the scanning interval time is a non-exposure time; The medical imaging equipment determines scanning bed movement information corresponding to the moving bed range according to the sub-moving bed range of each part to be scanned, the scanning time and the scanning interval time corresponding to each part to be scanned, wherein the scanning bed movement information comprises the position and the speed information of a scanning bed; and the medical imaging equipment controls the scanning bed to move according to the scanning bed movement information, and performs exposure acquisition in a sub-moving bed range corresponding to each part to be scanned to obtain scanning data. In one embodiment, the method further comprises: constructing scanning conditions of the pre-scanned part to be scanned in the scanning interval time, wherein the scanning conditions comprise high-voltage information required to be built when the pre-scanned part to be scanned is scanned; and triggering exposure immediately when the scanning bed moves to the initial position of the sub-moving bed range of the part to be scanned in the pre-scanning. In one embodiment, the site to be scanned comprises a motion site, and the method further comprises: And scanning the motion part under the condition of no gating signal or gating signal. In one embodiment, in the presence of a gating signal, scanning the motion part further comprises: and controlling the movement of the scanning bed based on the gate control signal in the scanning interval time so that the scanning bed moves to the initial position of the sub-moving bed range of the moving part at the target phase time or the preset time before the target phase time of the moving part. I