CN107050663A - The automatic treatment record verification method and system of a kind of linear accelerator - Google Patents
The automatic treatment record verification method and system of a kind of linear accelerator Download PDFInfo
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- CN107050663A CN107050663A CN201611205428.5A CN201611205428A CN107050663A CN 107050663 A CN107050663 A CN 107050663A CN 201611205428 A CN201611205428 A CN 201611205428A CN 107050663 A CN107050663 A CN 107050663A
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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
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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
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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
- A61N5/1075—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus
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Abstract
Verification method and system are recorded the invention discloses a kind of automatic treatment of linear accelerator, belongs to external exposure radiotherapy apparatus technical field.System verifies whether the launched field of selection is effective status, and when only launched field is effective, system, which is just sent out, allows Shu Zhiling to be irradiated to patient before patient treats according to the treatment log file previously produced.In patient treatment procedure, the dosage that system record has been treated, if treatment is interrupted, dosage and interruption source when record is interrupted, in the whole therapeutic process of patient, automatic record every time irradiation when each launched field therapeutic state and verified, system of the invention has the advantages that safe and reliable, easy to use and simple in construction.
Description
Technical field
The invention belongs to external exposure radiotherapy apparatus technical field, and in particular to a kind of automatic treatment for linear accelerator
Record the method and system of checking.
Background technology
Linear accelerator is the capital equipment currently used for radiotherapy, and 70% tumor patient can be obtained by radiotherapy
Preferable therapeutic effect.
Tumor patient is in applicable line accelerator treatment, and a course for the treatment of will typically divide 20 times or so, every time treatment
Up to more than ten sometimes of launched field number, easily cause patient's reirradiation or leakage when operating accelerator for operator
According to situation, and in irradiation process offset and interrupt the situation of irradiation if there is equipment fault or patient position, also need
Continue remaining dosage when irradiation is interrupted.Therefore therapeutic process record for linear accelerator come radiotherapy tumor patient
It is particularly important.
Therapeutic process is recorded by the way of plan record is manually filled in major part hospital at present, partly using meter
The hospital of calculation machine management is using in the treatment record input database by the way of manually entering in a computer by patient.More than
All there is operation inconvenience in recording mode, easily produce mistake, and can not point out operator during linear accelerator treatment and prevent
The operation of the mistake such as reirradiation.
The content of the invention
In view of this, verification method and system are recorded the invention provides a kind of automatic treatment of linear accelerator, suffered from
In the whole therapeutic process of person, automatic record every time irradiation when each launched field therapeutic state and verified, with it is safe and reliable, make
With convenient and simple in construction advantage.
A kind of automatic treatment record checking system of linear accelerator, the system includes communication interface circuit, switching value and connect
Mouth circuit, dose monitoring module, interlocking detection module and treatment record authentication module；
The communication interface circuit is with ADC system (the automatic dosage control system of RS485 serial ports and linear accelerator main frame
System) circuit connection；The major function of ADC system is：The ionising radiation for producing ray to accelerator by ionisation chamber is converted into electricity
Signal, then it is converted into real-time dose value by integrating circuit and single-chip microcomputer；
The dose monitoring module receives the real-time dosage letter that linear accelerator ADC system is sent by communication interface circuit
Cease and carry out conversion process, the dosage that the generation current launched field of patient has been treated；
The switching value interface circuit is connected with the circuit of auxiliary system of linear accelerator main frame, receives linear accelerator auxiliary
The multichannel interlocking switch amount signal of auxiliary system output；The function of accessory system is the institutes such as each modulator of monitoring accelerator, accelerating tube
There is the working condition of subsystem, the malfunction of each subsystem is converted into switching value electric signal；
The multichannel interlocking that interlocking monitoring modular receives the generation of linear accelerator accessory system by switching value interface circuit is opened
Pass measures signal and carries out logic synthesis processing, the reason for generation patient is treated when interrupting.
The treatment record authentication module verifies selection before patient treats according to the treatment log file previously produced
Whether launched field is effective status, and it is effective status not treat or treat interruption, when only launched field is effective, treatment record checking mould
Block, which is just sent out, allows Shu Zhiling to give accelerator main control module, accelerator main control module after receiving and allowing Shu Zhiling, control plus
The beam irradiation system that goes out of fast device main frame goes out beam patient is irradiated.
Further, in patient treatment procedure, the dosage that dose monitoring module and interlocking monitoring modular record have been treated,
If treatment is interrupted, dosage and interruption source when record is interrupted.
A kind of automatic treatment record verification method of linear accelerator, this method realizes that step is as follows：
The first step：Before one patient's same day treats, when reading the treatment plan data of the patient, one is generated uniquely
Patient's same day treats log file；
Therapeutic state, which is divided into, does not treat, has treated, treating three kinds of states of interruption, when creating treatment log file, acquiescence
Therapeutic state is non-therapeutic state；
Treatment reason is interrupted to stop beam, equipment fault, close rate operation presetting range including the manual broken height pressure of operator
Or treatment time exceedes presetting range；
Second step：Before the launched field or the Ziye treatment that select current patents, treatment record authentication module reads treatment note
Record the therapeutic state of the Ziye in file；If therapeutic state allows treatment not treat；If having treated, then point out
The Ziye has been treated, and does not allow reirradiation；Interrupted if treatment, then Ziye when prompting is interrupted the reason for treating and interrupted
Remaining dosage, and the preset dosage of accelerator is automatically set as remaining dose value；
3rd step：During accelerator goes out beam irradiation, dose monitoring module receives straight line by communication interface circuit
The real-time dosage information of accelerator ADC system circuit transmission simultaneously carries out conversion process, the agent that the generation current launched field of patient has been treated
Amount；Interlock monitoring modular and the multichannel interlocking switch amount letter that linear accelerator accessory system is produced is received by switching value interface circuit
Number；
4th step：Detect whether beam irradiation is interrupted, if the launched field or Ziye therapeutic process that currently select are not interrupted, plus
Fast device preset dose irradiation is complete stop beam when, treatment record authentication module by patient's same day treat in log file when
The launched field of preceding selection or the therapeutic state of Ziye are set to treat, and doses remaining is set to 0, and launched field treatment is completed；
If the treatment of operator's manual interruption or device fails in the launched field or Ziye therapeutic process that currently select, plus
The multichannel interlocking switch amount signal that fast device will stop the accessory system output in beam interruption treatment, accelerator immediately can also be produced
Change to indicate trouble point；Interlocking monitoring modular is given birth to according to the change of interlocking switch amount signal according to logical relation set in advance
Into failure cause, continual cure then returns to second step until launched field treats completion.
Further, in the 4th step, what dose monitoring module timing receipt linear accelerator ADC system circuit was sent
Real-time dosage information, when interruption is treated, the treatment record preset dosage of authentication module subtracts the dosage work for interrupting and having been treated when treating
The doses remaining for the treatment of is interrupted for current launched field or Ziye；Because the working frequency for interlocking monitoring modular is higher than dose monitoring mould
Block, does not upgrade in time for the real-time dosage that prevents dosage monitoring modular from receiving, after dose monitoring module will be when interrupting treatment
The double unchanged value of real-time dosage received is as the dosage treated；
Then, treatment record authentication module will treat patient's same day the launched field or Ziye currently selected in log file
Therapeutic state be set to treatment and interrupt, the failure cause of generation and the doses remaining that calculates are set to treatment log file
In.
Beneficial effect：
1st, compared with existing recording mode, the present invention is capable of the treatment information of full-automatic record patient, easy to operate,
Greatly reduce the workload of operating personnel.
2nd, the present invention can verify that the therapeutic state of selected launched field or Ziye before the treatment, and provide corresponding prompting, prevent
Irradiation and leakage irradiation are only duplicated, the security for the treatment of is improved.
3rd, the present invention generates a unique same day treatment log file for a patient, and system occupancy is small, realizes letter
It is single.
Brief description of the drawings
Fig. 1 is system theory of constitution figure of the invention；
Fig. 2 is the flow chart of the automatic record verification method of the present invention.
Embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, checking system is recorded the invention provides a kind of automatic treatment of linear accelerator, it includes：
Communication interface circuit, switching value interface circuit, dose monitoring module, interlocking detection module, treatment record authentication module；
Communication interface circuit is connected with ADC (automatic dosage control) circuit system of RS485 serial ports and linear accelerator main frame
Connect；The major function of ADC system is：The ionising radiation for producing ray to accelerator by ionisation chamber is converted into electric signal, then passes through
Cross integrating circuit and single-chip microcomputer is converted into real-time dose value.
Dose monitoring module receives the real-time dosage information of linear accelerator ADC system transmission simultaneously by communication interface circuit
Carry out conversion process, the dosage that the generation current launched field of patient has been treated；
Switching value interface circuit is connected with the circuit of auxiliary system of linear accelerator main frame, receives linear accelerator auxiliary system
The multichannel interlocking switch amount signal of system output；The major function of accessory system is：The institutes such as each modulator of monitoring accelerator, accelerating tube
There is the working condition of subsystem, the malfunction of each subsystem is converted into switching value electric signal.
The multichannel interlocking that interlocking monitoring modular receives the generation of linear accelerator accessory system by switching value interface circuit is opened
Pass measures signal and carries out logic synthesis processing, the reason for generation patient is treated when interrupting.
Treatment record authentication module verifies the launched field of selection according to the treatment log file previously produced before patient treats
Whether it is effective status (not treating or treat interruption), when only launched field is effective, treatment record authentication module, which is just sent out, allows beam
Instruct and give accelerator main control module, accelerator main control software is after receiving and allowing Shu Zhiling, and control accelerator main frame goes out beam
Irradiation system goes out beam and patient is irradiated.In patient treatment procedure, according to dose monitoring module and interlocking monitoring modular note
The dosage treated is recorded, if treatment is interrupted, dosage and interruption source when record is interrupted.
As shown in Figure 2, a kind of automatic treatment record verification method of linear accelerator of the invention realizes that step is as follows：
The first step：Before one patient's same day treats, when reading the treatment plan data of the patient, one is generated uniquely
Patient's same day treats log file, the entitled patient's name+current date+plan UID of file.Treatment log file includes surname
Name, medical record number, enterprise number, launched field number, the Ziye number of each launched field, the preset dosage of each Ziye, the doses remaining of each Ziye, each son
Wild therapeutic state, interruption treatment reason etc..
Therapeutic state, which is divided into, does not treat, has treated, treating three kinds of states of interruption.When creating treatment log file, acquiescence
Therapeutic state is non-therapeutic state.
Interrupt treatment reason and stop beam, equipment fault (modulator failure, accelerating tube event including the manual broken height pressure of operator
Barrier, ionisation chamber failure, treatment head failure, electron gun failure etc.), close rate operation presetting range, treatment time exceed preset model
Enclose.
Second step：Before the launched field or the Ziye treatment that select current patents, treatment record authentication module reads treatment note
Record the therapeutic state of the Ziye in file.If therapeutic state allows treatment not treat；If having treated, then point out
The Ziye has been treated, and does not allow reirradiation；Interrupted if treatment, then Ziye when prompting is interrupted the reason for treating and interrupted
Remaining dosage, and the preset dosage of accelerator is automatically set as remaining dose value.
3rd step：During accelerator goes out beam irradiation, dose monitoring module is by communication interface circuit with 1 time/S's
The real-time dosage information of frequency reception linear accelerator ADC system circuit transmission simultaneously carries out conversion process, and generation patient currently penetrates
The dosage that open country has been treated.Interlock monitoring modular and the multichannel that linear accelerator accessory system is produced is received by switching value interface circuit
Interlocking switch amount signal, to accelerate response speed, the working frequency of interlocking monitoring modular is 10 times/S, is faster than dose monitoring module
Working frequency.
4th step：If the launched field or Ziye therapeutic process that currently select are all gone well, accelerator shines in preset dosage
Shoot away when stopping beam, treatment record authentication module treats patient's same day the launched field or Ziye currently selected in log file
Therapeutic state be set to treat, doses remaining is set to 0.
If the treatment of operator's manual interruption or device fails in the launched field or Ziye therapeutic process that currently select, plus
The multichannel interlocking switch amount signal that fast device will stop the accessory system output in beam interruption treatment, accelerator immediately can also be produced
Change to indicate trouble point.Interlocking monitoring modular is given birth to according to the change of interlocking switch amount signal according to logical relation set in advance
Into failure cause, continual cure then returns to second step.
The real-time dosage information that dose monitoring module timing receipt linear accelerator ADC system circuit is sent, interrupts treatment
When, the treatment record preset dosage of authentication module subtracts the dosage treated during interruption treatment and controlled as current launched field or Ziye interruption
The doses remaining for the treatment of.Because the working frequency for interlocking monitoring modular is higher than dose monitoring module, to prevent dosage monitoring modular from connecing
The real-time dosage received does not upgrade in time, dose monitoring module by interrupt treat when after the double real-time dosage received
Unchanged value is used as the dosage treated.
Then, treatment record authentication module will treat patient's same day the launched field or Ziye currently selected in log file
Therapeutic state be set to treatment and interrupt, the failure cause of generation and the doses remaining that calculates are set to treatment log file
In.
In summary, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of linear accelerator automatic treatment record checking system, it is characterised in that the system include communication interface circuit,
Switching value interface circuit, dose monitoring module, interlocking detection module and treatment record authentication module；
The communication interface circuit is connected with RS485 serial ports with the ADC system circuit of linear accelerator main frame；The work(of ADC system
It can be that the ionising radiation for producing ray to accelerator by ionisation chamber is converted into electric signal, then turn by integrating circuit and single-chip microcomputer
Turn to real-time dose value；
The dose monitoring module receives the real-time dosage information of linear accelerator ADC system transmission simultaneously by communication interface circuit
Carry out conversion process, the dosage that the generation current launched field of patient has been treated；
The switching value interface circuit is connected with the circuit of auxiliary system of linear accelerator main frame, receives linear accelerator auxiliary system
The multichannel interlocking switch amount signal of system output；The function of accessory system is all points of each modulator of monitoring accelerator, accelerating tube etc.
The working condition of system, switching value electric signal is converted into by the malfunction of each subsystem；
Interlock monitoring modular and the multichannel interlocking switch amount that linear accelerator accessory system is produced is received by switching value interface circuit
Signal simultaneously carries out logic synthesis processing, the reason for generation patient is treated when interrupting.
The treatment record authentication module verifies the launched field of selection according to the treatment log file previously produced before patient treats
Whether it is effective status, it is effective status not treat or treat interruption, when only launched field is effective, treatment record authentication module is
Hair allows Shu Zhiling to give accelerator main control module, and accelerator main control module controls accelerator after receiving and allowing Shu Zhiling
The beam irradiation system that goes out of main frame goes out beam patient is irradiated.
2. the automatic treatment record checking system of linear accelerator as claimed in claim 1, it is characterised in that in patient's treatment
During, the dosage treated according to dose monitoring module and interlocking monitoring modular record, if treatment is interrupted, when record is interrupted
Dosage and interruption source.
3. the automatic treatment record verification method of a kind of linear accelerator, it is characterised in that this method realizes that step is as follows：
The first step：Before one patient's same day treats, when reading the treatment plan data of the patient, unique trouble is generated
Person's same day treats log file；
Therapeutic state, which is divided into, does not treat, has treated, treating three kinds of states of interruption, when creating treatment log file, the treatment of acquiescence
State is non-therapeutic state；
Treatment reason is interrupted to stop beam, equipment fault, close rate operation presetting range or control including the manual broken height pressure of operator
The treatment time exceedes presetting range；
Second step：Before the launched field or the Ziye treatment that select current patents, treatment record authentication module reads treatment record text
The therapeutic state of the Ziye of this in part；If therapeutic state allows treatment not treat；If having treated, then the son is pointed out
Open country has been treated, and does not allow reirradiation；Interrupted if treatment, then the Ziye is remaining when prompting is interrupted the reason for treating and interrupted
Dosage, and the preset dosage of accelerator is automatically set as remaining dose value；
3rd step：During accelerator goes out beam irradiation, dose monitoring module receives linear accelerating by communication interface circuit
The real-time dosage information of device ADC system circuit transmission simultaneously carries out conversion process, the dosage that the generation current launched field of patient has been treated；Connection
Lock monitoring modular and the multichannel interlocking switch amount signal that linear accelerator accessory system is produced is received by switching value interface circuit；
4th step：Detect whether beam irradiation is interrupted, if the launched field or Ziye therapeutic process that currently select are not interrupted, accelerator
Preset dose irradiation is complete stop beam when, treatment record authentication module, which treats patient's same day in log file, currently to be selected
The launched field or the therapeutic state of Ziye selected are set to treat, and doses remaining is set to 0, and launched field treatment is completed；
If the treatment of operator's manual interruption or device fails, accelerator in the launched field or Ziye therapeutic process that currently select
The multichannel interlocking switch amount signal that accessory system is exported that will stop in beam interruption treatment, accelerator immediately can also produce change
To indicate trouble point；Interlock monitoring modular and event is generated according to logical relation set in advance according to the change of interlocking switch amount signal
Hinder reason, continual cure then returns to second step until launched field treats completion.
4. the automatic treatment record verification method of linear accelerator as claimed in claim 3, it is characterised in that the 4th step
In, the real-time dosage information that dose monitoring module timing receipt linear accelerator ADC system circuit is sent when interrupting treatment, is controlled
The treatment record preset dosage of authentication module, which is subtracted, interrupts what the dosage treated during treatment was treated as current launched field or Ziye interruption
Doses remaining；The working frequency for interlocking monitoring modular is higher than dose monitoring module, after dose monitoring module will be when interrupting treatment
The double unchanged value of real-time dosage received is as the dosage treated；Treatment record authentication module will be by the patient
The launched field or the therapeutic state of Ziye currently selected in same day treatment log file is set to treatment and interrupted, and the failure of generation is former
Cause and the doses remaining calculated are set into treatment log file.
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| CN107785068A (en) * | 2017-11-20 | 2018-03-09 | 深圳市医诺智能科技发展有限公司 | The data transmission method and interface platform for the treatment of planning systems and medical accelerator |
| CN108744308A (en) * | 2018-05-28 | 2018-11-06 | 沈阳东软医疗系统有限公司 | Radiotherapy control method, device, system and equipment and storage medium |
| WO2022140988A1 (en) * | 2020-12-28 | 2022-07-07 | 西安大医集团股份有限公司 | Interruption processing method and system, and electronic device and computer storage medium |
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