CN111407295B - Scanning control method, device, equipment and storage medium - Google Patents
Scanning control method, device, equipment and storage medium Download PDFInfo
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- CN111407295B CN111407295B CN202010229347.9A CN202010229347A CN111407295B CN 111407295 B CN111407295 B CN 111407295B CN 202010229347 A CN202010229347 A CN 202010229347A CN 111407295 B CN111407295 B CN 111407295B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The embodiment of the application discloses a scanning control method, a scanning control device, scanning control equipment and a storage medium. The method comprises the following steps: if the current scanning operation is emergency scanning, determining a target rotating speed corresponding to an anode target of the bulb; and controlling the anode target according to the target rotating speed, and executing the current scanning operation. According to the embodiment of the application, the target rotating speed corresponding to the anode target of the bulb tube is carried out during emergency scanning, and then the anode target is controlled to rotate according to the target rotating speed during the current scanning operation, so that the heat of the bulb tube can be taken away in time, the damage to the bulb tube caused by suddenly increasing the temperature of the bulb tube during emergency scanning is avoided, the emergency scanning requirement can be met, and the bulb tube is better protected.
Description
Technical Field
Embodiments of the present application relate to the field of control, and in particular, to a scan control method, apparatus, device, and storage medium.
Background
Before a patient is scanned by a medical imaging device such as CT (Computed Tomography) or the like, preheating of the bulb is usually performed to protect the anode target surface of the bulb and prevent the temperature of the target surface from sudden chapping or damage.
Emergency scanning means that in an emergency situation, the bulb is not preheated or is not completely preheated, and the heat capacity is low, but the patient needs to be immediately scanned, so that the patient can be ensured to visit in time. The bulb cannot be preheated during emergency scanning, so that the bulb is generally aged.
How to meet the emergency scanning requirement and better protect the bulb at the same time becomes a problem to be solved urgently.
Disclosure of Invention
The application provides a scanning control method, a scanning control device, scanning control equipment and a storage medium, so that a bulb can be better protected during emergency scanning.
In a first aspect, an embodiment of the present application provides a scan control method, including:
if the current scanning operation is emergency scanning, determining a target rotating speed corresponding to an anode target of the bulb;
and controlling the anode target to rotate according to the target rotating speed, and executing the current scanning operation.
In a second aspect, an embodiment of the present application further provides a scan control apparatus, including:
the target rotating speed determining module is used for determining the target rotating speed corresponding to the anode target of the bulb tube when the current scanning operation is emergency scanning;
and the scanning control module is used for controlling the anode target to rotate according to the target rotating speed and executing the current scanning operation.
In a third aspect, an embodiment of the present application further provides a medical imaging apparatus, including a bulb, further including:
one or more processors;
a memory for storing one or more programs;
the 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 provided by the embodiments of the first aspect.
In a fourth aspect, embodiments of the present application also provide a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a scan control method as provided by the embodiments of the first aspect.
According to the embodiment of the application, when the current scanning operation is identified as emergency scanning, the target rotating speed corresponding to the anode target of the bulb tube is determined; and controlling the anode target to rotate according to the target rotating speed, and executing the current scanning operation. According to the technical scheme, the target rotating speed corresponding to the anode target of the bulb tube is carried out during emergency scanning, and then the anode target is controlled to rotate according to the target rotating speed when current scanning operation is carried out, so that heat of the bulb tube can be taken away timely, the damage to the bulb tube caused by suddenly increasing the temperature of the bulb tube during emergency scanning is avoided, emergency scanning requirements can be met, and the bulb tube is protected better.
Drawings
FIG. 1 is a flow chart of a scan control method according to a first embodiment of the present application;
FIG. 2 is a flow chart of a scan control method in a second embodiment of the application;
fig. 3 is a block diagram of a scanning control device in a third embodiment of the present application;
fig. 4 is a block diagram of a medical imaging apparatus according to a fourth embodiment of the present application.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings.
Example 1
Fig. 1 is a flowchart of a scan control method according to a first embodiment of the present application. The embodiment of the application is suitable for the situation that the medical imaging equipment needs to be used for emergency scanning of a patient when the medical imaging equipment does not preheat the bulb tube or does not preheat the bulb tube completely. The method is executed by a scanning control device which is realized by software and/or hardware and is specifically configured in a data processing device of medical imaging equipment.
A scan control method as shown in fig. 1, comprising:
s110, if the current scanning operation is emergency scanning, determining a target rotating speed corresponding to an anode target of the bulb;
in this case, the bulb is not preheated or is not completely preheated in the emergency, but the heat capacity is low, and the patient is required to be scanned immediately, so that the patient can be scanned in a timely manner.
Optionally, an emergency scanning mode can be added in the medical imaging device, and the emergency scanning mode can be entered through touch operation of a worker; and when the mode identification corresponding to the emergency scanning mode is identified, determining the current scanning operation as emergency scanning.
Or alternatively, whether the current scanning operation is emergency scanning can be judged according to the heat capacity of the bulb tube. Specifically, if the heat capacity of the bulb at the current moment is smaller than the set threshold, determining that the current scanning operation is emergency scanning. The threshold value of the bulb can be determined by a skilled person according to the requirement or an experience value.
The heat capacity is understood to mean, among other things, the amount of heat load or maximum heat load allowed by the bulb or bulb anode target. The heat capacity may be embodied in the form of a ratio coefficient having a value of not more than 1, for example 10%. It should be noted that the bulb is actually a large high vacuum cathode ray diode for generating X-rays. The working principle is as follows: the cathode filament is heated by applying current, and free electron cloud is generated, namely high-voltage electricity is applied to the cathode and anode, the potential difference is increased suddenly, the free electronic book in an active state is driven by a high-voltage electric field, the cathode tells the anode target to be impacted, energy conversion occurs, only a small part of electric energy (for example, 1 percent) is converted into X rays at the moment, the X rays are emitted by a window, and most (for example, 99 percent) of the electric energy is converted into heat, and the heat is taken away by the rotation of the anode target.
Since the bulb has not yet been preheated or completely preheated during an emergency scan, the bulb heat cannot be slowly increased to the required heat capacity for the target scan through a series of specific low power protocols. Therefore, under the emergency scanning condition, a reasonable anode target rotating speed needs to be set, so that heat generated by the bulb tube is timely dissipated, and meanwhile, the phenomenon that a rotating shaft is broken due to the high rotating speed of the anode target is avoided.
In order to give consideration to the service lives of the bulb tube and the anode target rotating shaft, different target rotating speeds are generally adopted during normal scanning and emergency scanning, and generally, the target rotating speed during emergency scanning is larger than that during normal scanning, so that timely evacuation of heat can be ensured.
And S120, controlling the anode target to rotate according to the target rotating speed, and executing the current scanning operation.
Illustratively, the anode target rotation is controlled according to the target rotation speed, which may be that the target rotation speed is sent to an anode target motor, the anode target is controlled to rotate to the target rotation speed by the motor, and after the anode target rotates to the target rotation speed, the current scanning operation is performed by a scanning protocol.
In an alternative implementation of the embodiment of the present application, the anode target is controlled to rotate to a target rotation speed; scanning the positioning image of the object to be scanned at the target rotating speed to obtain a scanning result of the positioning image; and executing the current scanning operation according to the positioning image scanning result.
In another alternative implementation of the embodiment of the present application, in order to further reduce the duration of the emergency scan, the positioning image scanning and the anode target rotation acceleration process may also be performed simultaneously. Illustratively, controlling the anode target to rotate; in the rotation process of the anode target, if the anode target rotates to a positioning rotating speed, synchronously executing positioning image scanning; if the anode target rotates to the target rotating speed, executing the current scanning operation according to a positioning image scanning result; wherein the positioning rotational speed is less than the target rotational speed. The positioning rotating speed is the rotating speed of the anode target in the process of scanning the positioning image.
According to the embodiment of the application, when the current scanning operation is emergency scanning, the target rotating speed corresponding to the anode target of the bulb tube is determined; and controlling the anode target to rotate according to the target rotating speed, and executing the current scanning operation. According to the technical scheme, the target rotating speed corresponding to the anode target of the bulb tube is carried out during emergency scanning, and then the anode target is controlled to rotate according to the target rotating speed when current scanning operation is carried out, so that heat of the bulb tube can be taken away timely, the damage to the bulb tube caused by suddenly increasing the temperature of the bulb tube during emergency scanning is avoided, emergency scanning requirements can be met, and the bulb tube is protected better.
Example two
Fig. 2 is a flowchart of a scanning control method in a second embodiment of the present application, and the embodiment of the present application is optimized and improved based on the technical solutions of the foregoing embodiments.
Further, the operation of determining the target rotating speed corresponding to the anode target of the bulb is refined to determine the target scanning power required by the current scanning operation; and determining the target rotating speed corresponding to the anode target of the bulb tube according to the target scanning power so as to perfect a determining mechanism of the target rotating speed.
A scan control method as shown in fig. 2, comprising:
s210, if the current scanning operation is emergency scanning, determining target scanning power required by the current scanning operation.
In an optional implementation manner of the embodiment of the present application, the current scan power or the default scan power may be directly used as the target scan power; the scanning power set by the staff for the object to be scanned can also be used as the target scanning power.
In order to achieve accurate matching of the scanning power and the object to be scanned, reduce radiation dose to the low-power scanning object, increase accuracy of scanning results to the high-power scanning object, in another alternative implementation of the embodiment of the present application, determination of target scanning power may also be performed for different objects to be scanned. The target scan power may also be determined, for example, based on the body type of the object to be scanned.
Optionally, the determining the target scan power according to the body type of the object to be scanned may be: determining the body type of the object to be scanned according to the positioning image scanning result; and determining the scanning power matched with the body type as the target scanning power.
It should be noted that, the positioning image scanning is to perform a one-time scanning including a set scanning area by using low power before scanning the set scanning area of the object to be scanned according to the scanning protocol, and determine the scanning area according to the positioning image scanning result, so as to realize scanning positioning, thereby guiding the subsequent protocol scanning according to the determined scanning area.
Or alternatively, the determining the target scanning power according to the body type of the object to be scanned may further be: determining the body type of the object to be scanned according to the bearing force of the scanning bed when the object to be scanned is loaded; and determining the scanning power matched with the body type as the target scanning power.
For example, a pressure sensor may be provided in the scanner bed, and when the object to be scanned is lying on the scanner bed for a set period of time, the value of the pressure sensor is read, and the body shape of the object to be scanned is determined based on the comparison of the pressure sensor with the set threshold value. The number and the numerical value of the set threshold values can be determined by a technician according to the needs or experience values, and the set threshold values are only required to be matched with the number of the scanning powers supported by the medical imaging equipment. The set time period can be determined by a technician according to the requirement or an empirical value, such as 5 seconds.
Wherein, whether the object to be scanned is lying or not can be determined by the fluctuation condition of the value of the pressure sensor. If the pressure sensor value suddenly increases and then becomes stable within a set period of time, it is determined that the object to be scanned has been lying on the scanning bed. The set time period may be determined by a skilled person according to the need or an empirical value, and may be 30 seconds, for example.
S220, determining the target rotating speed corresponding to the anode target of the bulb tube according to the target scanning power.
In an optional implementation manner of the embodiment of the present application, determining, according to the target scan power, the target rotation speed corresponding to the anode target of the bulb may be: and taking the rotating speed of the emergency scanning mode under the target scanning power as the target rotating speed.
For example, the rotation speed comparison table under the normal scan and the emergency scan may be set in advance for different scan powers; correspondingly, searching the rotation speed under the emergency scanning matched with the target scanning power in the rotation speed comparison table, and taking the searching result as the target rotation speed.
Taking the medical imaging device as an example to support two scan powers, high power and low power, for example. The target rotation speed can be searched and matched according to the following rotation speed comparison table:
| low power rotational speed | High power rotational speed | |
| Routine scanning | 50Hz | 120Hz |
| Emergency scan | 80Hz | 150Hz |
Correspondingly, when scanning is performed with low power, during emergency scanning, the rotating speed of 80Hz is used as the target rotating speed; in the conventional scanning, a rotation speed of 50Hz is used as the target rotation speed. When high power is adopted for scanning, a rotating speed of 150Hz is adopted as a target rotating speed during emergency scanning; in the conventional scanning, a rotation speed of 120Hz is used as the target rotation speed.
In another optional implementation manner of the embodiment of the present application, determining, according to the target scan power, the target rotation speed corresponding to the anode target of the bulb may be: determining adjacent scanning power with the target scanning power, and taking the rotating speed of a conventional scanning mode under the adjacent scanning power as the target rotating speed; wherein the adjacent scan power is not less than the target scan power.
It should be noted that, when the target scan power is the highest scan power of the medical imaging device, the target scan power itself may be used as the adjacent scan power.
For example, a rotation speed map may be set in advance for different scanning powers; correspondingly, in the rotating speed comparison table, determining adjacent scanning power of the target scanning power; and searching the rotating speed under emergency scanning matched with the adjacent scanning power, and taking the searching result as a target rotating speed.
Taking the medical imaging device as an example to support two scan powers, high power and low power, for example. The target rotation speed can be searched and matched according to the following rotation speed comparison table:
| low power rotational speed | High power rotational speed |
| 50Hz | 120Hz |
Correspondingly, when scanning is performed by adopting low power, during emergency scanning, taking high power as adjacent scanning power, and adopting a rotating speed of 120Hz corresponding to the rotating speed of the high power as a target rotating speed; in the conventional scanning, a rotation speed of 50Hz is used as the target rotation speed. When the high power is to be adopted for scanning, in emergency scanning, the high power is not higher power as the adjacent scanning power, so the high power is directly adopted as the adjacent scanning power, and the 120Hz rotating speed corresponding to the high power rotating speed is adopted as the target rotating speed; in the conventional scanning, a rotation speed of 120Hz is used as the target rotation speed.
The values of the rotational speeds in the different rotational speed comparison tables can be determined by a skilled person according to empirical values or repeatedly determined through a plurality of experiments, and can also be determined according to the scanning power and the anode target.
And S230, controlling the anode target to rotate according to the target rotating speed, and executing the current scanning operation.
According to the embodiment of the application, the target scanning power required by the current scanning operation is determined by refining the determining process of the target rotating speed; the target rotating speed corresponding to the anode target of the bulb tube is determined according to the target scanning power, so that a determination mechanism of the target rotating speed is perfected, meanwhile, when the medical imaging equipment supports multiple scanning powers, the target rotating speed can be determined according to different scanning powers, the accuracy of a target rotating speed determination result is improved, the damage of the rotating shaft of the anode target caused by the excessive rotating speed is avoided, and meanwhile, the situation that the bulb tube is aged or damaged due to the fact that heat cannot be taken away in time due to the excessively low rotating speed is avoided.
Example III
Fig. 3 is a block diagram of a scan control device in a third embodiment of the present application. The embodiment of the application is suitable for the situation that the medical imaging equipment needs to be used for emergency scanning of a patient when the medical imaging equipment does not preheat the bulb tube or does not preheat the bulb tube completely. The device is realized by software and/or hardware and is specifically configured in the data processing equipment of the medical imaging equipment.
The and middle scanning control device shown in fig. 3 includes: a target rotational speed determination module 310 and a scan control module 320. Wherein, the liquid crystal display device comprises a liquid crystal display device,
the target rotation speed determining module 310 is configured to determine a target rotation speed corresponding to an anode target of the bulb when the current scanning operation is emergency scanning;
and the scanning control module 320 is configured to control the rotation of the anode target according to the target rotation speed, and perform the current scanning operation.
According to the embodiment of the application, when the current scanning operation is identified as emergency scanning, the target rotating speed corresponding to the anode target of the bulb tube is determined through the target rotating speed determining module; and controlling the anode target to rotate according to the target rotating speed by a scanning control module, and executing the current scanning operation. According to the technical scheme, the target rotating speed corresponding to the anode target of the bulb tube is carried out during emergency scanning, and then the anode target is controlled to rotate according to the target rotating speed when current scanning operation is carried out, so that heat of the bulb tube can be taken away timely, the damage to the bulb tube caused by suddenly increasing the temperature of the bulb tube during emergency scanning is avoided, emergency scanning requirements can be met, and the bulb tube is protected better.
Further, the target rotation speed determination module 310 includes:
a target scanning power determining unit for determining a target scanning power required by the current scanning operation;
and the target rotating speed determining unit is used for determining the target rotating speed corresponding to the anode target of the bulb tube according to the target scanning power.
Further, the target scan power determining unit is specifically configured to:
determining the target scanning power according to the body type of the object to be scanned; or alternatively, the process may be performed,
and taking the current scanning power as the target scanning power.
Further, the target scan power determining unit is specifically configured to, when determining the target scan power according to the body type of the object to be scanned:
determining the body type of the object to be scanned according to the positioning image scanning result; and/or determining the body type of the object to be scanned according to the bearing force of the scanning bed when the object to be scanned is loaded;
and determining the scanning power matched with the body type as the target scanning power.
Further, the target rotation speed determining unit is specifically configured to:
taking the rotating speed of the emergency scanning mode under the target scanning power as the target rotating speed; or alternatively, the process may be performed,
determining adjacent scanning power of the target scanning power, and taking the rotating speed of a conventional scanning mode under the adjacent scanning power as the target rotating speed; wherein the adjacent scan power is not less than the target scan power.
Further, the scan control module 320 includes:
the rotation control module is used for controlling the anode target to rotate;
the scanning control module is used for synchronously executing positioning image scanning if the anode target rotates to a positioning rotating speed in the rotating process of the anode target;
the scanning control module is also used for executing the current scanning operation according to a positioning image scanning result if the anode target rotates to the target rotating speed;
wherein the positioning rotational speed is less than the target rotational speed.
Further, the apparatus further comprises:
the heat capacity acquisition module is used for acquiring the heat capacity of the bulb at the current moment;
and the emergency scanning determining module is used for determining that the current scanning operation is emergency scanning if the heat capacity of the bulb tube at the current moment is smaller than a set threshold value.
The scanning control device can execute the scanning control method provided by any embodiment of the application, and has the corresponding functional modules and beneficial effects of executing the scanning control method.
Example IV
Fig. 4 is a structural diagram of a medical imaging apparatus according to a fourth embodiment of the present application, the apparatus including: input device 410, output device 420, processor 430, and storage device 440.
Wherein, the input device 410 is used for receiving the current scanning operation;
an output device 420 for outputting a target rotational speed to the anode target motor;
one or more processors 430;
the storage device 440 is used for storing one or more programs.
In fig. 4, for example, a processor 430 is shown, the input device 410 of the medical imaging apparatus may be connected to the output device 420, the processor 430 and the storage device 440 by a bus or other means, and the processor 430 and the storage device 440 are also connected by a bus or other means, for example, by a bus connection in fig. 4.
In this embodiment, the processor 430 in the medical imaging device may receive the current scan job through the input device 410; it is also possible to identify whether the current scanning job is an emergency scan; when the current scanning operation is identified as emergency scanning, determining a target rotating speed corresponding to an anode target of the bulb tube during emergency scanning; the target rotation speed may also be output to the anode target motor through the output device 420, thereby controlling the anode target to rotate according to the target rotation speed and performing the current scanning operation.
The storage device 440 in the medical imaging apparatus is used as a computer readable storage medium, and may be used to store one or more programs, such as a software program, a computer executable program, and a module, such as program instructions/modules (e.g., the target rotation speed determining module 310 and the scan control module 320 shown in fig. 3) corresponding to the scan control method in the embodiment of the present application. The processor 430 executes various functional applications and data processing of the medical imaging apparatus by executing software programs, instructions and modules stored in the storage device 440, that is, implements the scanning control method in the above-described method embodiment.
The storage 440 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for a function; the storage data area may store data and the like (such as the current scanning job and the target rotation speed in the above-described embodiment). In addition, the storage 440 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device. In some examples, storage 440 may further include memory remotely located relative to processor 430, which may be connected to a server via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Example five
The fifth embodiment of the present application further provides a computer readable storage medium having a computer program stored thereon, where the program, when executed by a scan control apparatus, implements a scan control method provided by the implementation of the present application, the method including: if the current scanning operation is emergency scanning, determining a target rotating speed corresponding to an anode target of the bulb; and controlling the anode target to rotate according to the target rotating speed, and executing the current scanning operation.
From the above description of embodiments, it will be clear to a person skilled in the art that the present application may be implemented by means of software and necessary general purpose hardware, but of course also by means of hardware, although in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, etc., and include several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments of the present application.
Note that the above is only a preferred embodiment of the present application and the technical principle applied. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, while the application has been described in connection with the above embodiments, the application is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the application, which is set forth in the following claims.
Claims (9)
1. A scan control method, comprising:
if the current scanning operation is emergency scanning, determining a target rotating speed corresponding to an anode target of the bulb;
controlling the anode target to rotate according to the target rotating speed, and executing the current scanning operation;
wherein, confirm the goal rotational speed that the positive pole target of bulb corresponds, include:
determining target scanning power required by current scanning operation;
according to the target scanning power, determining a target rotating speed corresponding to an anode target of the bulb, including: setting a rotating speed comparison table aiming at different scanning powers in advance; determining target scanning power required by the current scanning operation; determining adjacent scanning power of the target scanning power in the rotating speed comparison table; searching the rotating speed under emergency scanning matched with the adjacent scanning power, and taking the searching result as the target rotating speed;
the determining the target scanning power required by the current scanning operation comprises the following steps: and determining the target scanning power according to the body type of the object to be scanned.
2. The method of claim 1, wherein determining the target scan power required for the current scan job further comprises:
and taking the current scanning power as the target scanning power.
3. The method of claim 1, wherein determining the target scan power based on the body type of the object to be scanned comprises:
determining the body type of the object to be scanned according to the positioning image scanning result; and/or determining the body type of the object to be scanned according to the bearing force of the scanning bed when the object to be scanned is loaded;
and determining the scanning power matched with the body type as the target scanning power.
4. The method of claim 1, wherein determining a target rotational speed for an anode target of a bulb based on the target scan power comprises:
taking the rotating speed of the emergency scanning mode under the target scanning power as the target rotating speed; or alternatively, the process may be performed,
determining adjacent scanning power of the target scanning power, and taking the rotating speed of a conventional scanning mode under the adjacent scanning power as the target rotating speed; wherein the adjacent scan power is not less than the target scan power.
5. The method of claim 1, wherein controlling the anode target rotation according to the target rotational speed and performing the current scanning operation comprises:
controlling the anode target to rotate;
in the rotation process of the anode target, if the anode target rotates to a positioning rotating speed, synchronously executing positioning image scanning;
if the anode target rotates to the target rotating speed, executing the current scanning operation according to a positioning image scanning result;
wherein the positioning rotational speed is less than the target rotational speed.
6. The method according to claim 1, wherein the method further comprises:
the heat capacity of the bulb at the current moment is obtained,
and if the acquired heat capacity is smaller than a set threshold value, determining that the current scanning operation is emergency scanning.
7. A scan control apparatus, comprising:
the target rotating speed determining module is used for determining the target rotating speed corresponding to the anode target of the bulb tube when the current scanning operation is emergency scanning;
the scanning control module is used for controlling the anode target to rotate according to the target rotating speed and executing the current scanning operation;
a target rotational speed determination module comprising:
a target scanning power determining unit, configured to determine a target scanning power required by the current scanning operation;
the target rotating speed determining unit is used for determining the target rotating speed corresponding to the anode target of the bulb tube according to the target scanning power;
the target rotating speed determining unit is specifically configured to set a rotating speed comparison table for different scanning powers in advance; determining adjacent scanning power of the target scanning power in the rotating speed comparison table; searching the rotating speed under emergency scanning matched with the adjacent scanning power, and taking the searching result as the target rotating speed;
the target scan power determining unit is specifically configured to: and determining the target scanning power according to the body type of the object to be scanned.
8. A medical imaging device comprising a bulb, further comprising:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, causes the one or more processors to implement a scan control method as recited in any one of claims 1-6.
9. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements a scanning control method as claimed in any one of claims 1-6.
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| CN113343459B (en) * | 2021-06-02 | 2023-04-25 | 康达洲际医疗器械有限公司 | Assessment method and device for heat capacity state of bulb tube and electronic equipment |
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