阅读说明：本技术 一种扫描控制方法、装置、设备及存储介质 (Scanning control method, device, equipment and storage medium ) 是由 林阳阳 于 2019-10-12 设计创作，主要内容包括：本申请实施例公开了一种扫描控制方法、装置、设备及存储介质,涉及医疗设备技术领域,该方法具体包括：获取扫描参数和CT设备的机器参数；根据所述扫描参数、所述机器参数和待扫描区域,确定进行扫描时的扫描位置；根据确定的扫描位置对所述待扫描区域进行扫描。本申请实施例的技术方案基于获取的扫描参数和机器参数进行扫描位置的确定,使得基于所确定的扫描位置进行扫描时,减少了对待扫描对象进行CT扫描时的辐射剂量,从而减少了对待扫描对象的健康的影响,并提高了医疗资源的利用率。(The embodiment of the application discloses a scanning control method, a device, equipment and a storage medium, which relate to the technical field of medical equipment, and the method specifically comprises the following steps: acquiring scanning parameters and machine parameters of CT equipment; determining a scanning position during scanning according to the scanning parameters, the machine parameters and the area to be scanned; and scanning the area to be scanned according to the determined scanning position. According to the technical scheme of the embodiment of the application, the scanning position is determined based on the acquired scanning parameters and the machine parameters, so that when scanning is performed based on the determined scanning position, the radiation dose of an object to be scanned during CT scanning is reduced, the influence on the health of the object to be scanned is reduced, and the utilization rate of medical resources is improved.)

1. A scan control method, comprising:

acquiring scanning parameters and machine parameters of CT equipment;

determining a scanning position during scanning according to the scanning parameters, the machine parameters and the area to be scanned;

and scanning the area to be scanned according to the determined scanning position.

2. The method of claim 1, wherein the scan parameters include a pitch, a collimation width, and a radius of a scan field corresponding to the region to be scanned; the machine parameters include position information of the bulb focus.

3. The method of claim 2, wherein determining a scanning position when scanning according to the scanning parameters, the machine parameters and the area to be scanned comprises:

determining the bed entering amount when the scanning bed moves according to the screw pitch;

determining scanning offset according to the collimation width, the radius of the scanning visual field and the position information of the bulb focus;

and determining a target scanning position according to the bed entering amount, the difference value of the scanning offset and the original scanning position corresponding to the area to be scanned.

4. The method of claim 3, wherein determining a target scanning position according to the bed entering amount, the difference of the scanning offset amount and an original scanning position corresponding to the region to be scanned comprises:

determining a scanning advance according to the difference value of the bed entering amount and the scanning offset;

determining the initial coordinate of the target scanning position according to the difference value between the initial coordinate of the original scanning position and the scanning advance;

determining the end coordinate of the target scanning position according to the difference value between the end coordinate of the original scanning position and the scanning advance;

correspondingly, scanning the region to be scanned according to the determined scanning position includes:

and scanning the area to be scanned according to the determined starting coordinate and the determined ending coordinate of the target scanning position.

5. The method of any of claims 2-4, wherein the position information of the bulb focus is a distance between the bulb focus and a reference isocenter position.

6. A scan control apparatus, comprising:

the parameter acquisition module is used for acquiring scanning parameters and machine parameters of the CT equipment;

the scanning position determining module is used for determining a scanning position during scanning according to the scanning parameters, the machine parameters and the area to be scanned;

and the scanning module is used for scanning the area to be scanned according to the determined scanning position.

7. The apparatus of claim 6, wherein the scan parameters include a pitch, a collimation width, and a radius of a scan field corresponding to the region to be scanned; the machine parameters include position information of the bulb focus.

8. The apparatus of claim 7, wherein the scan position determination module comprises:

the bed entering amount determining unit is used for determining the bed entering amount when the scanning bed moves according to the screw pitch;

the scanning offset determining unit is used for determining the scanning offset according to the collimation width, the radius of the scanning visual field and the position information of the bulb focus;

and the target scanning position determining unit is used for determining a target scanning position according to the bed entering amount, the difference value of the scanning offset and the original scanning position corresponding to the area to be scanned.

9. A CT apparatus, comprising:

one or more processors;

a memory for storing one or more programs;

when executed by the one or more processors, cause the one or more processors to implement a scan control method as recited in any one of claims 1-5.

10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out a scan control method according to any one of claims 1 to 5.

Technical Field

The embodiment of the application relates to the technical field of medical equipment, in particular to a scanning control method, a scanning control device, scanning control equipment and a storage medium.

Background

Common scanning modes of CT (Computed Tomography) apparatuses include three modes, i.e., plain film, axial scan, and helical scan. In order to effectively acquire scan data of a region of interest during helical scanning, a reconstruction range is usually set according to the region of interest, and a certain amount of scan start position is set in front of the reconstruction range.

However, the radiation dose of the object to be scanned during CT scanning is increased by adopting the above method, which not only brings certain influence to the health of the object to be scanned, but also causes medical resource waste and reduces the utilization rate of medical resources.

Disclosure of Invention

The application provides a scanning control method, a scanning control device, scanning control equipment and a storage medium, which are used for reducing the radiation dose when CT scanning is carried out on an object to be scanned, reducing the health influence on the object to be scanned and simultaneously improving the utilization rate of medical resources.

In a first aspect, an embodiment of the present application provides a scan control method, including:

acquiring scanning parameters and machine parameters of CT equipment;

determining a scanning position during scanning according to the scanning parameters, the machine parameters and the area to be scanned;

and scanning the area to be scanned according to the determined scanning position.

Optionally, the scanning parameters include a screw pitch, a collimation width, and a radius of a scanning field corresponding to the region to be scanned; the machine parameters include position information of the bulb focus.

Optionally, determining a scanning position when scanning is performed according to the scanning parameter, the machine parameter, and the region to be scanned, including:

determining the bed entering amount when the scanning bed moves according to the screw pitch;

determining scanning offset according to the collimation width, the radius of the scanning visual field and the position information of the bulb focus;

and determining a target scanning position according to the bed entering amount, the difference value of the scanning offset and the original scanning position corresponding to the area to be scanned.

Optionally, determining a target scanning position according to the bed entering amount, the difference between the scanning offset amounts, and the original scanning position corresponding to the region to be scanned, includes:

determining a scanning advance according to the difference value of the bed entering amount and the scanning offset;

determining the initial coordinate of the target scanning position according to the difference value between the initial coordinate of the original scanning position and the scanning advance;

determining the end coordinate of the target scanning position according to the difference value between the end coordinate of the original scanning position and the scanning advance;

correspondingly, scanning the region to be scanned according to the determined scanning position includes:

and scanning the area to be scanned according to the determined starting coordinate and the determined ending coordinate of the target scanning position.

Optionally, the position information of the focus of the bulb tube is a distance between the focus of the bulb tube and the reference isocenter position.

In a second aspect, an embodiment of the present application further provides a scan control apparatus, including:

the parameter acquisition module is used for acquiring scanning parameters and machine parameters of the CT equipment;

the scanning position determining module is used for determining a scanning position during scanning according to the scanning parameters, the machine parameters and the area to be scanned;

and the scanning module is used for scanning the area to be scanned according to the determined scanning position.

In a third aspect, an embodiment of the present application further provides a CT apparatus, including:

one or more processors;

a memory for storing one or more programs;

when the one or more programs are executed by the one or more processors, the one or more processors are caused to implement a scan control method as provided in an embodiment of the first aspect.

In a fourth aspect, the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a scan control method as provided in the embodiments of the first aspect.

According to the embodiment of the application, the scanning position during scanning is determined by acquiring the scanning parameters and the machine parameters of the CT equipment according to the scanning parameters, the machine parameters and the region to be scanned, and the region to be scanned is scanned according to the determined scanning position. According to the technical scheme, the scanning position is determined based on the acquired scanning parameters and the machine parameters, so that when scanning is performed based on the determined scanning position, the radiation dose of an object to be scanned during CT scanning is reduced, the influence on the health of the object to be scanned is reduced, and the utilization rate of medical resources is improved.

Drawings

FIG. 1A is a flowchart of a scan control method according to one embodiment of the present application;

fig. 1B is a schematic diagram of a scanning position determining process in one embodiment of the present application;

fig. 2 is a structural diagram of a scanning control apparatus in a second embodiment of the present application;

fig. 3 is a structural diagram of a CT apparatus according to a third embodiment of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.