CN115501506B - Particle radiation therapy system and control method of particle radiation therapy system - Google Patents
Particle radiation therapy system and control method of particle radiation therapy system Download PDFInfo
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- CN115501506B CN115501506B CN202211396890.3A CN202211396890A CN115501506B CN 115501506 B CN115501506 B CN 115501506B CN 202211396890 A CN202211396890 A CN 202211396890A CN 115501506 B CN115501506 B CN 115501506B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1064—Monitoring, verifying, controlling systems and methods for adjusting radiation treatment in response to monitoring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1071—Monitoring, verifying, controlling systems and methods for verifying the dose delivered by the treatment plan
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N2005/1074—Details of the control system, e.g. user interfaces
Abstract
The invention discloses a particle radiation therapy system and a control method of the particle radiation therapy system, and belongs to the technical field of radiation equipment. The system comprises: at least one radiation room system, the radiation room system comprising an imaging system, a motion system, a particle beam delivery system, and a security system; the treatment control system is respectively connected with the image system, the motion system, the particle beam delivery system and the safety system, and the safety system is used for outputting a device interlocking signal and a device alarm signal; a particle beam supply system connected with the treatment control system; the therapy control system includes a user interaction component. The system accurately positions a target radiation area by controlling an image system and a motion system through a treatment control system, then controls a particle beam supply system to provide particle beams meeting requirements, delivers the particle beams through a particle beam delivery system, and carries out real-time safety monitoring through a safety system, so that the reliability and the safety of the system are improved in multiple directions.
Description
Technical Field
The invention belongs to the technical field of radiation equipment, and particularly relates to a particle radiation therapy system and a control method of the particle radiation therapy system.
Background
Particle radiation therapy is a form of external beam radiation therapy that uses a high energy proton, ion, electron or electron beam to treat tumors or other diseases. By using protons or positively charged particles to target the tumor region of a patient for treatment, the treatment can effectively protect nearby healthy tissues and greatly reduce side effects.
The particle radiotherapy process is accompanied by a large amount of radiation, when the operation is abnormal, the treatment effect of a patient can be influenced, and the operator or the operation equipment can be damaged.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a particle radiation therapy system and a control method thereof, which can accurately position a patient and improve the safety and reliability of the system in many aspects.
In a first aspect, the present invention provides a particle radiation therapy system, the system comprising:
at least one radiation room system comprising an imaging system, a motion system, a particle beam delivery system, and a safety system;
a treatment control system connected to the imaging system, the motion system, the particle beam delivery system, and the safety system, respectively, the safety system configured to output a device interlock signal and a device alarm signal;
a particle beam supply system connected with the therapy control system;
the treatment control system comprises a user interaction component for receiving first user input of radiation treatment information of a second user;
the image system is used for acquiring current image information of the body part of the second user, and the current image information is used for registering with user image information of the radiotherapy information to determine a target radiation area of the second user;
the motion system is used for driving the particle beam delivery system to move to the target radiation area;
the treatment control system is used for sending beam current scheduling request information to the particle beam supply system based on the radiotherapy information;
the particle beam supply system is used for generating and distributing target particle beams to the particle beam delivery system based on the beam scheduling request information;
the treatment control system is used for determining scanning path information of the target radiation area based on the radiotherapy information and controlling the particle beam delivery system to deliver the target particle beam according to the scanning path information.
According to the particle radiation therapy system, the image system and the motion system are controlled by the therapy control system to accurately position the target radiation area, the particle beam supply system is controlled to provide particle beams meeting the requirements, the particle beam delivery system is controlled to deliver the particle beams, the reliability of the particle radiation process is improved, meanwhile, the safety system carries out real-time safety monitoring, and the safety of the system is improved in multiple directions.
According to one embodiment of the invention, the therapy control system comprises:
the radiation room components correspond to the radiation room systems one by one, and the radiation room components are used for controlling the work flow in the radiation room systems corresponding to the radiation room components;
a beam scheduling component connected with the particle beam supply system;
the imaging system comprises an imaging registration assembly, a motion assembly and a dose delivery assembly, wherein the imaging registration assembly is connected with the imaging system, the motion assembly is connected with the motion system, and the dose delivery assembly is connected with the particle beam delivery system.
According to one embodiment of the invention, the treatment control system includes a monitoring component coupled to the safety system, the monitoring component configured to monitor component status of the treatment control system and sensor status of the radiation room system, and to process the device interlock signal and the device alarm signal output by the safety system.
According to an embodiment of the present invention, the moving system includes a positioning device and a rotating frame, the rotating frame is mounted on the positioning device, the particle beam delivery system includes a beam modulating device, the beam modulating device is mounted on the rotating frame, the rotating frame is configured to control a beam direction in which the beam modulating device delivers a particle beam, and the positioning device is configured to drive the beam modulating device to move to the target radiation area.
According to one embodiment of the invention, the therapy control system comprises a user verification component for verifying the user identity of the first user or the second user.
In a second aspect, the present invention provides a control method based on the particle radiation therapy system, including:
acquiring radiotherapy information of a second user;
controlling an image system to acquire current image information of the body part of the second user;
registering based on the current image information and user image information of the radiotherapy information, and determining a target radiation region of the second user;
controlling a motion system to drive a particle beam delivery system to move to the target radiation area;
transmitting beam scheduling request information to the particle beam supply system based on the radiotherapy information;
determining scan path information for the target radiation region based on the radiation therapy information;
and controlling a particle beam delivery system to deliver the target particle beam generated and distributed by the particle beam supply system according to the scanning path information.
According to the control method based on the particle radiation therapy system, the target radiation area is accurately positioned by controlling the image system and the motion system through the therapy control system, then the particle beam supply system is controlled to provide particle beams meeting requirements, the particle beam delivery system is controlled to deliver, the reliability of the particle radiation process is improved, meanwhile, the safety system carries out real-time safety monitoring, and the safety of the system is improved in multiple directions.
According to an embodiment of the present invention, the acquiring radiation therapy information of the second user includes:
acquiring radiotherapy information of a second user under the condition that the identity verification of the first user is passed;
the control image system collects the current image information of the second user body part, and the control image system comprises:
controlling the image system to acquire the current image information under the condition that the identity authentication of the second user passes and the shooting area of the image system is clear;
the controlling particle beam delivery system puts in the target particle beam current generated and distributed by the particle beam supply system according to the scanning path information, and the method comprises the following steps:
and controlling the particle beam delivery system to deliver the target particle beam according to the scanning path information under the condition that the radiation room system is cleared and the radiation confirmation information input by the first user is received.
According to an embodiment of the invention, the control motion system drives the particle beam delivery system to move to the target radiation region, comprising:
and controlling the motion system to drive the particle beam delivery system to move to the target radiation area under the condition that the registration rate of the target radiation area is greater than a threshold value of the registration rate.
According to an embodiment of the present invention, the controlling the particle beam delivery system to deliver the target particle beam generated and distributed by the particle beam supply system according to the scan path information includes:
and under the condition that the dose of the target particle beam is smaller than a dose threshold, controlling the particle beam delivery system to deliver the target particle beam according to the scanning path information.
According to an embodiment of the invention, the method further comprises:
receiving collision alarm information of the radiation room system output by a safety system;
controlling the radiation chamber system to enter a collision handling mode in which the motion system apparatus is jogged at a safe speed.
In a third aspect, the present invention provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for controlling a particle radiation therapy system as described in the first aspect.
In a fourth aspect, the invention provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of controlling a particle radiation therapy system as described in the first aspect above.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
the target radiation area is accurately positioned by controlling the image system and the motion system through the treatment control system, then the particle beam supply system is controlled to provide particle beams meeting requirements, the particle beam delivery system is controlled to deliver, the reliability of the particle radiation process is improved, meanwhile, the safety system carries out real-time safety monitoring, and the safety of the system is improved in multiple directions.
Furthermore, the treatment control system and the safety system have an anti-collision function, when the safety system detects that collision occurs, collision information is sent to a monitoring assembly of the treatment control system, the treatment control system can display collision warning on a user interaction assembly, the treatment control system simultaneously controls the radiation room system with the collision to enter a collision processing mode, and in the collision processing mode, equipment of the motion system is operated in a inching mode at a preset safety speed, so that collision accidents are prevented from being further aggravated, and the safety of the system is improved.
Furthermore, the user identity of the first user controlling the particle beam delivery and the user identity of the second user receiving the particle beam delivery are ensured to be correct, the target radiation area determined by the treatment control system and the requested target particle beam are accurate, and the reliability of the particle radiation treatment process of the particle radiation treatment system is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a particle radiation therapy system according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for controlling a particle radiation therapy system according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart illustrating operation of a particle radiation therapy system according to an embodiment of the present invention;
FIG. 4 is a second schematic flow chart illustrating the operation of a particle radiation therapy system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Reference numerals are as follows:
100: a particle radiation therapy system; 110: a therapy control system; 111: a user interaction component; 112: a radiation chamber assembly; 113: a beam current scheduling component; 114: a dose delivery assembly; 115: a monitoring component; 116: an imaging registration component; 117: a motion assembly; 118: a user authentication component;
130: a particle beam supply system; 140: a particle beam delivery system; 150: a security system; 160: an imaging system; 170: a motion system;
500: an electronic device; 501: a processor; 502: a memory.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The terms first, second and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the invention may be practiced other than those illustrated or described herein, and that the objects identified as "first," "second," etc. are generally a class of objects and do not limit the number of objects, e.g., a first object may be one or more. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The particle radiation therapy system 100 and the control method of the particle radiation therapy system 100 according to the embodiments of the present invention are described in detail below with reference to the accompanying drawings by specific embodiments and application scenarios thereof.
As shown in fig. 1, a particle radiation therapy system 100 according to an embodiment of the present invention includes: at least one radiation room system, a treatment control system 110, and a particle beam supply system 130;
wherein each radiation room system includes an imaging system 160, a motion system 170, a particle beam delivery system 140, and a safety system 150.
It is understood that in an actual particle radiation therapy scenario, a plurality of radiation rooms may be provided, each for performing particle radiation therapy.
The treatment control system 110 is used to coordinate the overall particle radiation treatment process of the particle radiation treatment system 100 and the required hardware and software resources.
The treatment control system 110 is connected to the imaging system 160, the motion system 170, the particle beam delivery system 140 and the safety system 150 in the radiation room system, respectively, and can control the motion system 170 to accurately position the patient and the particle beam delivery system 140 to complete particle beam delivery based on the image registration result of the imaging system 160, thereby achieving the purpose of treatment.
The safety system 150 is used for outputting a device interlock signal and a device alarm signal, and performing real-time safety monitoring on the imaging system 160, the motion system 170 and the particle beam delivery system 140 in the radiation room system.
It should be noted that the safety system 150 is configured to process the device interlock signal and the device alarm signal and upload the device interlock signal and the device alarm signal to the therapy control system 110.
The device interlock signal refers to an interlock signal between each device in the radiation room system, and the device interlock signal processed by the safety system 150 can realize mutual restriction of actions between each device in the radiation room system, thereby improving the safety of the radiation room system.
The device alarm signal refers to an alarm signal for monitoring the respective running state of the devices in the radiation room system, and the device alarm signal processed by the safety system 150 can be used for carrying out safety monitoring on the devices in the radiation room system, so that real-time alarm is realized, and the safety of the radiation room system is improved.
For example, when the devices in the radiation room system collide, the safety system 150 can give an alarm in time and make corresponding protective measures according to the interlocking relationship among the devices.
The particle beam supply system 130 is connected to the treatment control system 110, and the treatment control system 110 can output beam scheduling and beam request information to the particle beam supply system 130, and the particle beam supply system 130 is used for providing a particle beam meeting the requirements.
The treatment control system 110 includes a user interaction component 111, the user interaction component 111 for receiving radiation treatment information of a second user input by a first user.
The first user is a physician or physicist who can operate the particle radiation therapy system 100, control the particle radiation therapy process, and the second user is a patient person who receives the particle beam delivery.
The radiotherapy information of the second user includes identity information of the second user, position information of a lesion site, treatment plan information, and the like.
In this embodiment, the user interaction component 111 may be a graphical user interface having functionality to display information and accept input.
The user interaction component 111 is an important component for interacting with a user, and when the user interaction component 111 is a graphical user interface, the graphical user interface may include a general graphical user interface, a clinical graphical user interface, a login screen, a GUI actuator, and the like.
The graphical user interface may also include a commissioning graphical user interface for displaying radiation treatment plan information for the second user, information for the second user currently receiving beam delivery in the radiation room, treatment status, and system status in the radiation room system.
The user interaction component 111 allows the first user to perform workflow activities, configure, monitor, authenticate, move devices, and operate the various systems in the radiation room system.
It should be noted that the user interaction component 111 may also display the device interlock signal and the device alarm signal processed by the security system 150, and may perform adjustment control of each device in real time according to the states of the device interlock signal and the device alarm signal.
The imaging system 160 is configured to acquire current image information of a body part of the second user, where the current image information is used for registration with user image information of the radiotherapy information to determine a target radiation region of the second user.
The imaging system 160 can collect image information (i.e., current image information) of a lesion site of a patient, and perform registration comparison with original image information (i.e., user image information of radiotherapy information) of the patient, so as to accurately position a region of the patient requiring particle radiotherapy.
The motion system 170 is used to drive the particle beam delivery system 140 to move to the target radiation region, and the treatment control system 110 may control the motion system 170 to move to drive the particle beam delivery system 140 to move to the target radiation region.
Wherein the motion system 170 not only performs position control of the treatment control system 110, but also feeds back the position status of the motion system 170 and the particle beam delivery system 140 to the treatment control system 110 in real time.
The treatment control system 110 is configured to send beam scheduling request information to the particle beam supply system 130 based on the radiotherapy information; the particle beam supply system 130 is configured to generate and distribute a target particle beam to the particle beam delivery system 140 based on the beam scheduling request information.
The beam scheduling request information includes dose information of the particle beam, and the particle beam supply system 130 generates a target particle beam with a corresponding dose according to the beam scheduling request information.
It is understood that when there are a plurality of radiation rooms, the treatment control system 110 sends beam scheduling request information to the particle beam supply system 130 according to the radiotherapy information of the patient in a certain radiation room, and the particle beam supply system 130 generates a target particle beam according to the beam scheduling request information and distributes the target particle beam to the particle beam delivery system 140 of the radiation room.
The treatment control system 110 is configured to determine scanning path information of the target radiation region based on the radiotherapy information, and control the particle beam delivery system 140 to deliver the target particle beam according to the scanning path information.
In actual implementation, the particle beam delivery system 140 can perform pencil beam scanning according to the scanning path information to accurately deliver the target particle beam.
The particle radiation therapy system 100 is exemplified as a cyclotron proton therapy system.
In the treatment process, the treatment control system 110 of the cyclotron proton treatment system controls the particle beam supply system 130, i.e. the accelerator, to provide the particle beam meeting the requirements on one hand, controls the imaging system 160 and the motion system 170 in the radiation room to accurately position the patient on the other hand, and finally controls the particle beam delivery system 140 to deliver the particle beam, and controls the beam direction and the dose with high precision so that the particle beam reaches the target area of the tumor to achieve the treatment purpose.
According to the particle radiation therapy system 100 provided by the embodiment of the invention, the therapy control system 110 controls the imaging system 160 and the motion system 170 to accurately position a target radiation area, and then controls the particle beam supply system 130 to provide particle beams meeting requirements, and controls the particle beam delivery system 140 to deliver, so that the reliability of a particle radiation process is improved, and meanwhile, the safety system 150 carries out real-time safety monitoring, and the safety of the multi-azimuth system is improved.
In some embodiments, the treatment control system 110 includes:
the radiation room assemblies 112 correspond to the radiation room systems one by one, and the radiation room assemblies 112 are used for controlling the work flow in the radiation room systems corresponding to the radiation room assemblies 112;
the beam scheduling component 113, the beam scheduling component 113 is connected with the particle beam supply system 130;
an imaging registration assembly 116, a motion assembly 117, and a dose delivery assembly 114, the imaging registration assembly 116 being coupled to an imaging system 160, the motion assembly 117 being coupled to a motion system 170, and the dose delivery assembly 114 being coupled to a particle beam delivery system 140.
The beam scheduling component 113 implements the allocation and scheduling of the particle beam request through the management of the particle beam supply system 130, and the beam scheduling component 113 operates only one example of the particle beam supply system 130 to control the particle beam supply system 130 to provide particle beam resources for a plurality of radiation room systems.
The motion assembly 117 is coupled to the motion system 170 and interacts with the motion system 170 for controlling various devices of the motion system 170 within the irradiation room.
The motion assembly 117 may include a motion coordination module, an axial motion module, a path planning module, and an optical tracking module, and has functions of motion coordination, multi-axis motion, single-axis motion, path planning, and optical tracking, and may implement high-precision control of each device of the motion system 170.
The radiation room assemblies 112 are the heart of the treatment control system 110, and each radiation room assembly 112 manages the workflow of the corresponding radiation room system and contains workflow engine services, including workflow engines and workflow descriptions.
The workflow engine coordinates the workflow of the various systems in the radiation room system within a single radiation room, each radiation room can perform the workflow independently of the other radiation rooms, and the radiation room assembly 112 is not connected to external systems such as the particle beam supply system 130.
The imaging registration component 116 is connected to the imaging system 160, interacts with the imaging system 160, and performs registration comparison between the current image information and the user image information of the radiotherapy information to accurately locate a target radiation region where a second user needs to perform particle radiotherapy.
The dose delivery component 114 is coupled to the particle beam delivery system 140, and interacts with the particle beam delivery system 140, and the dose delivery component 114 is used to manage the particle beam dose delivery process.
In some embodiments, the treatment control system 110 may include a monitoring component 115, the monitoring component 115 being coupled to the safety system 150, the monitoring component 115 being configured to monitor the status of components of the treatment control system 110 and sensors of the radiation room system, and to process the device interlock signals and device alarm signals output by the safety system 150.
The monitoring component 115 is used to monitor the component status corresponding to each system to which the treatment control system 110 is connected, and the monitoring component 115 can monitor the component status of the imaging registration component 116, the motion component 117, the dose delivery component 114, and the beam scheduling component 113.
The monitoring component 115 can also monitor the real-time monitoring status of sensors disposed in each system of the radiation room system, for example, the particle beam delivery system 140 is provided with a radiation sensor, when the particle beam delivery system 140 performs particle beam delivery, the radiation sensor detects that the radiation value of the surrounding environment outside the target radiation area exceeds a corresponding safety threshold, and feeds back to the monitoring component 115 to remind the leakage risk.
The monitoring component 115 can be used to read and process equipment interlock signals and equipment alarm signals from the safety system 150, interlock related systems or equipment in real time when a system in the radiology room system fails, and provide detailed information about the same.
It should be noted that the treatment control system 110 and the safety system 150 have an anti-collision function, when the safety system 150 detects a collision, the treatment control system 110 sends collision information to the monitoring component 115 of the treatment control system 110, the treatment control system 110 may display a collision warning at the user interaction component 111, and the treatment control system 110 simultaneously controls the radiation room system in which the collision occurs to enter a collision processing mode, in which the devices of the motion system 170 perform jog operations at a preset safety speed, so as to prevent further aggravation of the collision accident and improve the system safety.
In some embodiments, the motion system 170 includes a positioning device and a rotating gantry, the rotating gantry is mounted to the positioning device, the particle beam delivery system 140 includes a beam modulating device mounted to the rotating gantry, the rotating gantry is configured to control a beam direction of the particle beam delivered by the beam modulating device, and the positioning device is configured to drive the beam modulating device to move to the target emission area.
The positioning device, the rotating gantry, and the beam modulating device are controlled by the treatment control system 110, wherein the positioning device can be used for positioning of a second user, for example, the positioning device is a treatment couch capable of moving and controlling lifting, the movement and lifting of the treatment couch are controlled, and the second user on the treatment couch can be positioned at a proper position.
The treatment control system 110 controls the rotating frame, adjusts the beam direction of the particle beam thrown by the beam modulation equipment, and the treatment control system 110 controls the beam modulation equipment, so that the dose and the throwing speed of the thrown particle beam can be controlled.
In some embodiments, the therapy control system 110 may further include a user verification component 118, the user verification component 118 to verify a user identity of the first user or the second user.
It can be understood that by ensuring that the user identity of the first user controlling the particle beam delivery and the user identity of the second user receiving the particle beam delivery are correct, the accuracy of the target radiation region and the requested target particle beam determined by the treatment control system 110 is improved, and the reliability of the particle radiation treatment process of the particle radiation treatment system 100 is further improved.
The workflow of the first user operating the particle radiation therapy system 100 may include starting a session, installing and verifying auxiliary equipment, selecting and opening an irradiation field (a target radiation area where particle beam delivery is required) of a second user, controlling the positioning equipment to move to a bed of the second user, verifying information of the second user, performing rough positioning of the second user, clearing an image area affecting the system, performing image photographing, image registration, confirming a registration result, correcting the positioning of the second user, driving the beam modulation equipment to move to the target treatment area by the rotating frame, clearing a radiation room, confirming radiotherapy information of the second user by the first user, requesting a target particle beam, delivering the target particle beam, ending delivery of the target particle beam, executing a next irradiation field or a bed of the second user, and closing session and ending therapy.
A specific embodiment of the workflow of the particle radiation therapy system 100 is described below.
As shown in FIG. 3, the first user selects the operating mode, enters a username password, and upon entering the treatment control system 110, opens a session that includes patient (i.e., second user) information and treatment plan information.
And then installing an optical tracking system and verifying, installing beam modulation equipment and verifying, and if the verification fails, reinstalling verification until the verification passes, wherein the process cannot be continued.
Then, an irradiation field is selected and opened, and while the irradiation field is opened, the treatment control system 110 sends the irradiation field information to the particle beam delivery system 140 for verification, if the verification fails, the process cannot be continued, and the irradiation field meeting the requirement needs to be opened again.
The physician and the patient enter the radiology room, and the physician operates the control couch to move to the upper bed and verify whether the patient is consistent with the patient information on the treatment control system 110, if not, the procedure cannot be continued, and the session corresponding to the patient needs to be retrieved.
If the positions are consistent, the patient is put on the bed and the body position is fixed, and the doctor controls the treatment bed to move to the isocenter marked by the laser to finish the coarse positioning of the patient.
Then, the image area is cleared, the image system 160 performs image photographing and image registration, the image system 160 sends the registration result to the treatment control system 110 after the registration is completed, a doctor who needs corresponding authority confirms the registration result at this time, and if the registration result exceeds the limit value configured in the configuration file, the confirmation fails, the process cannot be continued, and the image photographing and the image registration need to be performed again.
After the configuration result is confirmed, the doctor corrects the position of the treatment table to control the treatment table to move to the treatment position, and controls the rotating frame and the beam current modulation equipment to move to the treatment position. The physician checks the radiology department and the physicist cross-checks the prescription information in the radiation treatment information displayed on the treatment control system 110 graphical user interface and confirms the treatment plan, and if there is a deviation in the treatment plan and there is no confirmation of the pass, the current treatment procedure is ended.
After the treatment plan is verified, the physician requests a beam on the treatment control system 110, the beam scheduling component 113 of the treatment control system 110 schedules the accelerator and the transport line of the particle beam supply system 130, the particle beam delivery system 140 controls the beam to start delivering, after the beam is finished, the next irradiation field or the patient is put into the bed, and finally the session is closed to finish the treatment.
The following describes a control method provided by the present invention based on the above-mentioned particle radiation therapy system 100, and the execution subject of the control method can be the treatment control system 110 of the particle radiation therapy system 100.
The control method of the particle radiation therapy system 100 can be applied to a terminal, and can be specifically executed by hardware or software in the terminal.
The terminal includes, but is not limited to, a portable communication device such as a mobile phone or a tablet computer having a touch sensitive surface (e.g., a touch screen display and/or a touch pad). It should also be understood that in some embodiments, the terminal may not be a portable communication device, but rather a desktop computer having a touch-sensitive surface (e.g., a touch screen display and/or touchpad).
In the following various embodiments, a terminal including a display and a touch-sensitive surface is described. However, it should be understood that the terminal may include one or more other physical user interface devices such as a physical keyboard, mouse, and joystick.
As shown in fig. 2, the method for controlling the particle radiation therapy system 100 includes: step 210 to step 270.
Step 220, controlling the image system 160 to acquire the current image information of the body part of the second user;
and 270, controlling the particle beam delivery system 140 to deliver the target particle beam generated and distributed by the particle beam supply system 130 according to the scanning path information.
It should be noted that the control method of the particle radiation therapy system 100 is executed in a strict order, and if the previous step is not executed or passed, the flow cannot be continued.
According to the control method of the particle radiation therapy system 100, the therapy control system 110 controls the image system 160 and the motion system 170 to accurately position the target radiation area, then controls the particle beam supply system 130 to provide the particle beam meeting the requirements, controls the particle beam delivery system 140 to deliver, improves the reliability of the particle radiation process, and simultaneously, the safety system 150 carries out real-time safety monitoring and improves the safety of the system in multiple directions.
In some embodiments, the step 210 of obtaining radiation therapy information of the second user comprises:
acquiring radiotherapy information of a second user under the condition that the identity verification of the first user is passed;
step 220, controlling the imaging system 160 to acquire the current image information of the body part of the second user, including:
controlling the image system 160 to collect current image information when the second user passes the authentication and the shooting area of the image system 160 is clear;
and controlling the particle beam delivery system 140 to deliver the target particle beam according to the scanning path information under the condition that the radiation room system is cleared and the radiation confirmation information input by the first user is received.
When the first user logs in the treatment control system 110 and needs to be authenticated, if the first user passes the authentication, the radiotherapy information of the second user is acquired after the first user is confirmed to be the user who can operate the treatment control system 110, and the reliability of the operator of the treatment control system 110 is ensured.
When the image system 160 collects the current image information, after the image area collected by the image system 160 is cleared, the image photographing is performed to collect the current image information of the second user, so that other users are prevented from interfering with the collection of the current image information of the second user, and the accuracy of the current image information of the second user is ensured.
The method comprises the steps of receiving radiation confirmation information input by a first user, confirming information and a treatment plan of a second user, and ensuring that beam delivery can be executed after a radiation room is cleared, delivering a target particle beam to the corresponding second user, ensuring the treatment effect, clearing the radiation room, ensuring that other users cannot be influenced by radiation of the particle beam, and improving the safety of the system.
In some embodiments, step 240, controlling the motion system 170 to drive the particle beam delivery system 140 to move to the target radiation region includes:
in case the registration ratio of the target radiation region is larger than the registration ratio threshold, the control motion system 170 drives the particle beam delivery system 140 to move to the target radiation region.
After the registration of the current image information and the user image information of the radiotherapy information is performed, the registration result uploaded by the image system 160 needs to be confirmed, and when the registration rate of the target radiation region of the registration result is greater than the registration rate threshold configured in the configuration file, the motion system 170 may be controlled to drive the particle beam delivery system 140 to move to the target radiation region.
For example, the threshold of the registration ratio may be 98%, and the motion system 170 may be controlled to drive the particle beam delivery system 140 to move to the target radiation region only if the registration ratio of the target radiation region is greater than 98%, so as to ensure the accuracy of the target radiation region and the reliability of the treatment process.
And when the registration rate of the target radiation region does not reach the threshold of the registration rate as a registration result, imaging registration needs to be executed again, or current image information needs to be shot again for registration.
In some embodiments, the step 270 of controlling the particle beam delivery system 140 to deliver the target particle beam current generated and distributed by the particle beam supply system 130 according to the scan path information includes:
and controlling the particle beam delivery system 140 to deliver the target particle beam according to the scanning path information under the condition that the dose of the target particle beam is smaller than the dose threshold.
In this embodiment, the particle beam delivery system 140 verifies the dose information of the target particle beam, and if the dose exceeds a safe dose threshold, a high dose alarm is generated and beam delivery is not performed.
And under the condition that the dose of the target particle beam is smaller than the dose threshold, controlling the particle beam delivery system 140 to deliver the target particle beam according to the scanning path information, and ensuring the safety of the delivery of the target particle beam.
In some embodiments, the method of controlling the particle radiation therapy system 100 further comprises:
receiving collision alarm information of the radiation room system output by the safety system 150;
the radiation room system is controlled to enter a collision handling mode in which the equipment of the motion system 170 is jogged at a safe speed.
In this embodiment, the treatment control system 110 and the safety system 150 have an anti-collision function, and when the safety system 150 detects that a collision occurs in the radiation room system, the corresponding collision warning information is output, so as to control the radiation room system in the collision to enter a collision processing mode, and in the collision processing mode, the devices of the motion system 170 perform inching operation at a preset safe speed, so as to prevent further aggravation of the collision accident and improve the safety of the system.
It should be noted that the equipment of the motion system 170 is not allowed to move under one of the following conditions: the user is not logged in; the security system 150 interlocks with the alarm; beam current in the radiation chamber is queuing or is irradiating; the irradiation in the irradiation chamber is in a suspended state; the particle beam delivery system 140 is in a treatment mode.
A specific embodiment is described below.
As shown in fig. 4, authentication authorization is performed when a user logs into the treatment control system 110, the user being a physician (i.e., a first user) who may operate the treatment control system 110 to control a workflow, step 410.
In this step, authentication authorization is performed, including authentication authorization for the physician and authentication of the patient in the radiology room.
In step 420, after the image area is cleared, image photographing is performed.
Before performing image photographing, an optical tracking system and a beam modulation device are installed, an irradiation field is selected, a doctor and a patient enter a radiation room, and the doctor operates to control the treatment couch to move to a bed position and verify whether the patient is consistent with the patient information on the treatment control system 110.
If the positions are consistent, the patient is put on the bed and the body position is fixed, and the doctor controls the treatment bed to move to the laser marked isocenter position, so that the coarse positioning of the patient is completed. The image area is cleared and the imaging system 160 performs image capture and image registration.
After the registration is completed, the image system sends the registration result to the treatment control system 110, and at this time, a physician who needs a corresponding specific user right confirms the registration result, and if the registration result is lower than the limit value configured in the configuration file, the confirmation fails, the process cannot be continued, and image photographing and image registration need to be performed again.
In the current session, the treatment control system 110 allows the user to move the couch to the treatment position only if the registration result is applied; when the registration result is below the registration rate threshold configured in the configuration file, the user cannot confirm on the therapy control system 110 and the current workflow cannot continue, and if so, imaging registration needs to be re-performed.
And step 460, after the radiation room is cleared, performing beam delivery.
The particle beam delivery system 140 will verify the dose information from the treatment control system 110 and if the dose exceeds a safe dose threshold, a high dose alarm will be generated and beam delivery will not occur.
The therapy control system 110 and the safety system 150 have an anti-collision function, and when the safety system 150 detects a collision and sends a collision message to the therapy control system 110, the therapy control system 110 displays a warning and enters a collision processing mode in which the devices of the motion system 170 are only allowed to jog at a pre-configured safe speed.
The therapy control system 110 does not allow device motion of the motion system 170 when one of the following conditions: the user is not logged in; the security system 150 interlocks with the alarm; beam current in the radiation chamber is queuing or is irradiating; the irradiation in the irradiation chamber is in a suspended state; the particle beam delivery system 140 is in a treatment mode.
In some embodiments, as shown in fig. 5, an electronic device 500 is further provided in an embodiment of the present invention, and includes a processor 501, a memory 502, and a computer program stored in the memory 502 and capable of being executed on the processor 501, where the computer program is executed by the processor 501 to implement the processes of the above-mentioned embodiment of the control method of the particle radiation therapy system 100, and can achieve the same technical effects, and therefore, for avoiding repetition, the details are not repeated here.
An embodiment of the present invention further provides a non-transitory computer-readable storage medium, where a computer program is stored on the non-transitory computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the above-mentioned embodiment of the control method for the particle radiation therapy system 100, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read only memory ROM, a random access memory RAM, a magnetic or optical disk, and the like.
Embodiments of the present invention also provide a computer program product, which includes a computer program, and the computer program is executed by a processor to implement the control method of the particle radiation therapy system 100.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read only memory ROM, a random access memory RAM, a magnetic or optical disk, and the like.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of embodiments of the present invention is not limited to performing functions in the order illustrated or discussed, but may include performing functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A particle radiation therapy system, comprising:
at least one radiation room system comprising an imaging system, a motion system, a particle beam delivery system, and a safety system;
a treatment control system connected to the imaging system, the motion system, the particle beam delivery system, and the safety system, respectively, the safety system configured to output a device interlock signal and a device alarm signal;
a particle beam supply system connected with the therapy control system;
the treatment control system comprises a user interaction component for receiving first user input of radiation treatment information of a second user;
the image system is used for acquiring current image information of the body part of the second user, and the current image information is used for registering with user image information of the radiotherapy information to determine a target radiation area of the second user;
the motion system is used for driving the particle beam delivery system to move to the target radiation area;
the treatment control system is used for sending beam current scheduling request information to the particle beam supply system based on the radiotherapy information;
the particle beam supply system is used for generating and distributing target particle beams to the particle beam delivery system based on the beam scheduling request information;
the treatment control system is used for determining scanning path information of the target radiation area based on the radiotherapy information and controlling the particle beam delivery system to deliver the target particle beam according to the scanning path information.
2. The particle radiation therapy system of claim 1, wherein said therapy control system comprises:
the radiation room components correspond to the radiation room systems one by one, and the radiation room components are used for controlling the work flow in the radiation room systems corresponding to the radiation room components;
a beam scheduling component connected with the particle beam supply system;
the imaging system comprises an imaging registration assembly, a motion assembly and a dose delivery assembly, wherein the imaging registration assembly is connected with the imaging system, the motion assembly is connected with the motion system, and the dose delivery assembly is connected with the particle beam delivery system.
3. The particle radiation therapy system of claim 1, wherein said treatment control system includes a monitoring component, said monitoring component being coupled to said safety system, said monitoring component for monitoring a component status of said treatment control system and a sensor status of said radiation room system, and processing said device interlock signal and said device alarm signal output by said safety system.
4. The particle radiation therapy system of any one of claims 1-3, wherein said motion system comprises a yaw apparatus and a rotating gantry, said rotating gantry mounted to said yaw apparatus, said particle beam delivery system comprising a beam modulation apparatus mounted to said rotating gantry, said rotating gantry for controlling a beam direction of a particle beam delivered by said beam modulation apparatus, said yaw apparatus for driving said beam modulation apparatus to move to said target irradiation zone.
5. The particle radiation therapy system of any one of claims 1-3, wherein the therapy control system comprises a user verification component for verifying a user identity of the first user or the second user.
6. A method for controlling a particle radiation therapy system according to any one of claims 1 to 5, comprising:
acquiring radiotherapy information of a second user;
controlling an image system to acquire current image information of the body part of the second user;
registering based on the current image information and user image information of the radiotherapy information, and determining a target radiation region of the second user;
controlling a motion system to drive a particle beam delivery system to move to the target radiation area;
transmitting beam scheduling request information to the particle beam supply system based on the radiotherapy information;
determining scan path information for the target radiation region based on the radiation therapy information;
and controlling a particle beam delivery system to deliver the target particle beam generated and distributed by the particle beam supply system according to the scanning path information.
7. The method for controlling a particle radiation therapy system according to claim 6, wherein said obtaining radiation therapy information of a second user comprises:
acquiring radiotherapy information of a second user under the condition that the identity verification of the first user is passed;
the control image system collects the current image information of the second user body part, and the control image system comprises:
controlling the image system to acquire the current image information under the condition that the identity authentication of the second user passes and the shooting area of the image system is clear;
the controlling particle beam delivery system puts in the target particle beam current generated and distributed by the particle beam supply system according to the scanning path information, and the method comprises the following steps:
and controlling the particle beam delivery system to deliver the target particle beam according to the scanning path information under the condition that the radiation room system is cleared and the radiation confirmation information input by the first user is received.
8. The method of claim 6, wherein the controlling the movement system to move the particle beam delivery system to the target radiation region comprises:
and controlling the motion system to drive the particle beam delivery system to move to the target radiation area under the condition that the registration rate of the target radiation area is greater than a threshold value of the registration rate.
9. The method of claim 6, wherein the controlling the particle beam delivery system to deliver the target particle beam current generated and distributed by the particle beam supply system according to the scan path information comprises:
and under the condition that the dose of the target particle beam is smaller than a dose threshold value, controlling the particle beam delivery system to deliver the target particle beam according to the scanning path information.
10. The method for controlling a particle radiation therapy system according to any one of claims 6-9, further comprising:
receiving collision alarm information of the radiation room system output by a safety system;
controlling the radiation chamber system to enter a collision handling mode in which the motion system's devices are jogged at a safe speed.
11. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing a method of controlling a particle radiation therapy system according to any one of claims 6-10 when executing the computer program.
12. A non-transitory computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, implements the method of controlling a particle radiation therapy system according to any one of claims 6 to 10.
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