CN109259777A - A kind of monitoring method and system of digital medical X-ray shooting system - Google Patents
A kind of monitoring method and system of digital medical X-ray shooting system Download PDFInfo
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- CN109259777A CN109259777A CN201811206463.8A CN201811206463A CN109259777A CN 109259777 A CN109259777 A CN 109259777A CN 201811206463 A CN201811206463 A CN 201811206463A CN 109259777 A CN109259777 A CN 109259777A
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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
- A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
- A61B6/586—Detection of faults or malfunction of the device
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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
- A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
- A61B6/581—Remote testing of the apparatus or devices
Abstract
The invention discloses the monitoring methods and system of a kind of digital medical X-ray shooting system, method including X-ray tube monitoring: several are monitored under the stress state of equipment gap influences the impact factor of X-ray tube lifetime, then the X-ray tube aging effects factor is influenced by several obtain the integrated contributory factor of X-ray tube, then compare the integrated contributory factor of X-ray tube and the default impact factor of X-ray tube, generate monitoring report；The monitoring method of flat panel detector monitoring: acquiring the work times of flat panel detector under continuous operation mode, then compares the work times of flat panel detector and the work times of preset flat panel detector, generates monitoring report；The monitoring method of critical mechanical movement parts: then the total run time of medical X-ray camera chain under monitoring continuous operation mode compares the runing time and preset runing time monitored, generates monitoring report.Long-range monitoring of the equipment manufacturer for equipment can be achieved in the present invention, can monitor the operating status of equipment in time, when equipment occurs abnormal, monitoring report is issued user and manufacturer, the maintenance for prompting user and manufacturer to be corrected accordingly.
Description
Technical field
The present invention relates to medical X-ray camera chain monitoring technical fields, and in particular to a kind of digital medical X-ray is taken the photograph
The monitoring method and system of shadow system.
Background technique
Digital medical X-ray shooting system (DR) be in hospital actinoscopy be most widely used for disorder in screening
Foundation class image documentation equipment；X-ray plain film daily in the large-scale Grade A hospital in China takes the photograph piece amount about in 400-600 according to investigations
Or so.Since patient's inspection amount is big, stabilization of equipment performance requires high；With the increase of use time, equipment image quality is influenced
Component capabilities can change；Need to make again by the means of correction that loading environment is accurate, acquisition device performance is stablized.Separately
The outer critical component easy to wear for influencing equipment safety performance is regularly replaced.The regular calibration for carrying out equipment is to guarantee to set
It is standby to operate normally, the important means of better services hospital.
In the use process of digital medical X-ray shooting system (DR), need periodically regular to being carried out with lower component
Check: X-ray bulb characteristic correction, flat panel detector correction, critical mechanical movement parts service life easy to wear check prompt.X
Ray tube, flat panel detector influence the quality of equipment imaging, the aging effects equipment safety of critical mechanical movement parts easy to wear
Performance is stablized.
By investigation, the digital medical X of existing equipment use environment and the preferable most Grade A hospitals of maintenance is penetrated
Line camera chain not will do it the inspection of regularly above-mentioned critical component, this is steady by the quality and equipment that will affect equipment imaging
It is qualitative.Corresponding front three hospital below does not reach wanting for the regular working service of equipment even more to the maintenance and concern of equipment
It asks.
It can be seen that device manufacturer lacks this in terms of the periodic maintenance and stability monitoring for how guaranteeing to sell equipment
The long-range equipment maintenance system of kind, more commonly when equipment, which breaks down, to be influenced to use, hospital is just reported for repairment, at this time
It will influence whether the use of hospital equipment.
Summary of the invention
To solve deficiency in the prior art, the present invention provides a kind of monitoring side of digital medical X-ray shooting system
Method and system solve X-ray shooting system real-time monitoring shortage in the prior art, can not timely and effective monitoring device operation shape
The technical issues of state and operation information.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of monitoring method of digital medical X-ray shooting system, including X-ray tube monitoring method, flat panel detector
Monitoring method, critical mechanical movement parts monitoring method；
The method of X-ray tube monitoring is: several are monitored under the stress state of equipment gap influences the shadow of X-ray tube lifetime
The factor is rung, then the X-ray tube aging effects factor is influenced by several and obtains the integrated contributory factor of X-ray tube, then compare
Compared with the default impact factor of the integrated contributory factor of X-ray tube and X-ray tube, monitoring report is generated；
The monitoring method of flat panel detector monitoring is: the work times of flat panel detector are acquired under continuous operation mode,
Then compare the work times of flat panel detector and the work times of preset flat panel detector, generate monitoring report；
The monitoring method of critical mechanical movement parts is: total fortune of medical X-ray camera chain under monitoring continuous operation mode
Then the row time compares the runing time and preset runing time monitored, generates monitoring report.
As a kind of prioritization scheme, a kind of monitoring method of digital medical X-ray shooting system above-mentioned: influences X and penetrate
The impact factor in spool service life include X-ray tube voltage value impact factor, current value impact factor and time for exposure influence because
Son, voltage value, current value, the unit of time for exposure are KV, mA, ms respectively.
As a kind of prioritization scheme, a kind of monitoring method of digital medical X-ray shooting system above-mentioned: by several
A specific method for influencing the integrated contributory factor that the X-ray tube aging effects factor obtains X-ray tube is: by the electricity of X-ray tube
Pressure value, current value, time for exposure are divided into multiple sections, correspond to corresponding impact factor in each range, X-ray tube it is comprehensive
Close the product that impact factor is equal to voltage value impact factor, current value impact factor and time for exposure impact factor.
As a kind of prioritization scheme, a kind of monitoring method of digital medical X-ray shooting system above-mentioned: X-ray tube
The demarcation interval of voltage value successively include: [40,80], [81,100], [101,126], [127,142], [143,150], electricity
The corresponding impact factor of pressure value is successively: 0.5,0.8,1,1.5,2；
The demarcation interval of the current value of X-ray tube successively includes: [100,320], [360,630], [800,1000], electric current
Being worth corresponding impact factor is successively: 0.7,1.0,1.5；
The demarcation interval of time for exposure successively includes: [10,400], [400,600], [600,1000], and the time for exposure is corresponding
Impact factor be successively: 0.8,1,1.6.
As a kind of prioritization scheme, a kind of monitoring method of digital medical X-ray shooting system above-mentioned: critical mechanical
Movement parts include wirerope and motor.
As a kind of prioritization scheme, a kind of monitoring method of digital medical X-ray shooting system above-mentioned: further include by
The monitoring report of generation is sent to remote test device.
As a kind of prioritization scheme, a kind of monitoring method of digital medical X-ray shooting system above-mentioned: further including auxiliary
Assisted correction, auxiliary corrective include the correcting of X-ray tube, and the correcting method of X-ray tube is to emit difference to X-ray tube
Voltage value and current value, so that X-ray tube is exposed operation under the voltage value and current value, the X for obtaining reality output is penetrated
Spool inherent characteristic voltage-to-current curve of output, then compares the curve of output and the preset voltage-to-current of X-ray tube exports
Curve, and generate examining report.
A kind of monitoring system of digital medical X-ray shooting system, including remote monitoring module, auxiliary corrective module,
Equipment self-inspection surveys module, and it includes the high pressure generator for connecting X-ray tube that equipment self-inspection, which surveys module,；
Equipment self-inspection surveys module for mode locating for detection device and X-ray tube, flat panel detector, critical mechanical movement
Then the operating parameter of part joins the operation of mode locating for equipment and X-ray tube, flat panel detector, critical mechanical movement parts
Number is sent to equipment manufacturer and auxiliary corrective module by remote monitoring module；
Mode locating for equipment includes shutdown mode, standby mode, interval load mode and continuous operation mode；
Auxiliary corrective module is for realizing the instruction pipe of X-ray tube, the correction of flat panel detector and critical mechanical movement parts
Detection.
As a kind of prioritization scheme, a kind of monitoring system of digital medical X-ray shooting system above-mentioned, critical mechanical
Movement parts include wirerope and motor.
As a kind of prioritization scheme, a kind of monitoring system of digital medical X-ray shooting system above-mentioned further includes number
According to sharing module, data sharing module is used to emit the detection information that equipment self-inspection is surveyed in module to hospital equipment management system
System.
Advantageous effects of the invention: long-range monitoring of the equipment manufacturer for equipment, Neng Gouji can be achieved in the present invention
When monitor the operating status of equipment, when equipment occurs abnormal, monitoring report is issued into user and manufacturer, prompts user and factory
The maintenance that quotient is corrected accordingly.The data for being measured equipment self-inspection by data sharing module are detected the shape of component
The data such as state, time, equipment busy degree, failure rate, the failure problems statistics corrected according to the estimated needs of currently used frequency
Equipment management system of the information sharing to hospital；Realize digital management and maintenance of the school to equipment.
Detailed description of the invention
Fig. 1 is the work flow diagram of digital medical X-ray shooting system monitoring method；
Fig. 2 is digital medical X-ray shooting system self-detection module functional block diagram；
Fig. 3 is X-ray tube aging effects factor table；
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1 to Figure 2: present embodiment discloses a kind of monitoring methods of digital medical X-ray shooting system: packet
Include X-ray tube monitoring method, flat panel detector monitoring method, critical mechanical movement parts monitoring method.
Equipment is divided into four kinds of modes (operating status) first, including shutdown mode, standby mode, interval load mode and
Continuous operation mode.
Off-mode, any equipment are in closed state, do not influence on the performance of equipment and component；Standby shape
State, needing the performance of detection part, no change has taken place, and the service life that equipment uses will not change.The result of both state-detections
It is returned as sky, i.e., the component life for needing preservation & testing will not be had an impact.
According to real use state, interval load and continuous operation are the impossible two states that carry out simultaneously of equipment,
Exposure can be generated by having a rest when loading, be had a certain impact to the performance of X-ray bulb, flat panel detector；In long-time use process
The middle quality that image can be influenced by the change of physical and chemical properties.
And in the state of continuous operation, it will affect the service life of plant machinery moving component, the critical component mainly influenced has
The components such as wirerope, motor.
The method of X-ray tube monitoring is: several are monitored under the stress state of equipment gap influences the shadow of X-ray tube lifetime
The factor is rung, then the X-ray tube aging effects factor is influenced by several and obtains the integrated contributory factor of X-ray tube, then compare
Compared with the default impact factor of the integrated contributory factor of X-ray tube and X-ray tube, monitoring report is generated；Influence X-ray tube lifetime
Impact factor includes the voltage value impact factor, current value impact factor and time for exposure impact factor of X-ray tube, voltage value,
Current value, the unit of time for exposure are KV, mA, ms respectively.
The specific method that the X-ray tube aging effects factor obtains the integrated contributory factor of X-ray tube is influenced by several
It is: the voltage value, current value, time for exposure of X-ray tube is divided into multiple sections, corresponding corresponding influence in each range
The integrated contributory factor of the factor, X-ray tube is equal to voltage value impact factor, current value impact factor and time for exposure impact factor
Product.
It is as shown in Figure 3: the demarcation interval of the voltage value of X-ray tube successively include: [40,80], [81,100], [101,
126], [127,142], [143,150], the corresponding impact factor of voltage value is successively: 0.5,0.8,1,1.5,2；X-ray tube
The demarcation interval of current value successively includes: [100,320], [360,630], [800,1000], the corresponding impact factor of current value
It is successively: 0.7,1.0,1.5；The demarcation interval of time for exposure successively includes: [10,400], [400,600], [600,1000],
Time for exposure, corresponding impact factor was successively: 0.8,1,1.6.
The division of parameters and the determination of impact factor numerical value are the influence journeys generated according to parameter value to X-ray tube
The heat that degree and exposure generate carries out the numerical value that Comprehensive Evaluation determines.Integrated contributory factor λ shares 45 kinds of permutation and combination.
In formula: it be the corresponding impact factor of voltage value, ε is that current value is corresponding that λ, which is the integrated contributory factor of X-ray tube, α,
Impact factor, δ are time for exposure corresponding impact factors.
Accordingly under different exposure parameter integrated modes, obtained equivalent loss number reaches the exposure frequency of setting
Afterwards, it is necessary to which X-ray tube is corrected.The relational expression of X-ray tube exposure frequency and setting value is as follows:
In formula: it be the corresponding impact factor of voltage value, ε is that current value is corresponding that λ, which is the integrated contributory factor of X-ray tube, α,
Impact factor, δ are time for exposure corresponding impact factors, correspond to impact factor when wherein ni represents each exposure as α n* ε p* δ q
When exposure frequency.
The monitoring method of flat panel detector monitoring is: the work times of flat panel detector are acquired under continuous operation mode,
Then compare the work times of flat panel detector and the work times of preset flat panel detector, generate monitoring report.
Flat panel detector is identical to different exposure parameter collection process experienced, and there is no the differences of conditions of exposure
And the variation of collection process and acquisition window time occurs.Therefore flat panel detector correction time statistics be considered only with use
Number have relationship.It needs to be corrected when the Image Acquisition number of flat panel detector reaches the value of setting.
The monitoring method of critical mechanical movement parts is: total fortune of medical X-ray camera chain under monitoring continuous operation mode
Then the row time compares the runing time and preset runing time monitored, generates monitoring report.I.e.
In formula: tnFor the runing time of the n-th equipment of record；TmIt is the total run time of equipment.
The critical mechanical movement parts of the present embodiment include wirerope and motor.
The present embodiment further include will generate monitoring report (including X-ray tube monitoring report, flat panel detector monitoring report
Accuse, critical mechanical movement parts monitoring report) it is sent to remote test device.
The present embodiment further includes auxiliary corrective, and auxiliary corrective includes the correcting of X-ray tube, and the auxiliary of X-ray tube is rectified
Correction method is to emit different voltage value and current value to X-ray tube, exposes X-ray tube under the voltage value and current value
Light operation obtains the X-ray tube inherent characteristic voltage-to-current curve of output of reality output, then compares the curve of output and penetrate with X
The preset voltage-to-current curve of output of spool, and generate examining report.
The present embodiment also discloses a kind of monitoring system of digital medical X-ray shooting system, including remotely monitors mould
Block, auxiliary corrective module, equipment self-inspection survey module, and it includes the high pressure generator for connecting X-ray tube that equipment self-inspection, which surveys module,.
Equipment self-inspection surveys module for mode locating for detection device and X-ray tube, flat panel detector, critical mechanical movement
The operating parameter of part, then by mode locating for equipment (including shutdown mode, standby mode, interval load mode and continuous work
Operation mode) and X-ray tube, flat panel detector, critical mechanical movement parts operating parameter be sent to and set by remote monitoring module
Standby producer and auxiliary corrective module；
Auxiliary corrective module is for realizing the instruction pipe of X-ray tube, the correction of flat panel detector and critical mechanical movement parts
Detection.High pressure generator generate high-tension current, then drive X-ray tube work, generate exposure, obtain reality output based on X
The curve of output of the ray tube inherently KV and mA of characteristic, are then corrected X-ray tube, finally store up the result of correction
It is stored in high pressure generator.
The detection system of the present embodiment further includes data sharing module, if there is the equipment management system of oneself in hospital, number
The detection information that equipment self-inspection is surveyed in module can be emitted to hospital equipment management system according to sharing module, be carried out convenient for hospital
Observation.
Long-range monitoring of the equipment manufacturer for equipment can be achieved in the present invention, can monitor the operating status of equipment in time,
When equipment occurs abnormal, monitoring report is issued into user and manufacturer, the maintenance for prompting user and manufacturer to be corrected accordingly.
The data for being measured equipment self-inspection by data sharing module are detected the state of component, according to currently used
Frequency is estimated to need the data information sharings such as the time corrected, equipment busy degree, failure rate, failure problems statistics to arrive hospital
Equipment management system；Realize digital management and maintenance of the school to equipment.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of monitoring method of digital medical X-ray shooting system, it is characterised in that: including X-ray tube monitoring method, put down
Partitioned detector monitoring method, critical mechanical movement parts monitoring method；
X-ray tube monitoring method be: monitored under the stress state of equipment gap several influence X-ray tube lifetimes influence because
Then son influences the X-ray tube aging effects factor by several and obtains the integrated contributory factor of X-ray tube, then compares X and penetrate
The integrated contributory factor of spool and the default impact factor of X-ray tube generate monitoring report；
The monitoring method of flat panel detector monitoring is: the work times of flat panel detector is acquired under continuous operation mode, then
Compare the work times of flat panel detector and the work times of preset flat panel detector, generates monitoring report；
The monitoring method of critical mechanical movement parts is: under monitoring continuous operation mode when total operation of medical X-ray camera chain
Between, then compare the runing time and preset runing time monitored, generates monitoring report.
2. a kind of monitoring method of digital medical X-ray shooting system according to claim 1, it is characterised in that: shadow
The impact factor for ringing X-ray tube lifetime includes the voltage value impact factor, current value impact factor and time for exposure shadow of X-ray tube
The factor is rung, the voltage value, current value, the unit of time for exposure are KV, mA, ms respectively.
3. a kind of monitoring method of digital medical X-ray shooting system according to claim 2, it is characterised in that: logical
The specific method that crossing several influences the integrated contributory factor that the X-ray tube aging effects factor obtains X-ray tube is: by X-ray
The voltage value of pipe, current value, time for exposure are divided into multiple sections, and corresponding impact factor, X-ray are corresponded in each range
The integrated contributory factor of pipe is equal to the product of voltage value impact factor, current value impact factor and time for exposure impact factor.
4. a kind of monitoring method of digital medical X-ray shooting system according to claim 3, it is characterised in that: X is penetrated
The demarcation interval of the voltage value of spool successively include: [40,80], [81,100], [101,126], [127,142], [143,
150], the corresponding impact factor of voltage value is successively: 0.5,0.8,1,1.5,2；
The demarcation interval of the current value of X-ray tube successively includes: [100,320], [360,630], [800,1000], current value pair
The impact factor answered is successively: 0.7,1.0,1.5；
The demarcation interval of time for exposure successively includes: [10,400], [400,600], [600,1000], time for exposure corresponding shadow
Ringing the factor is successively: 0.8,1,1.6.
5. a kind of monitoring method of digital medical X-ray shooting system according to claim 1, it is characterised in that: institute
Stating critical mechanical movement parts includes wirerope and motor.
6. a kind of monitoring method of digital medical X-ray shooting system according to claim 1, it is characterised in that: also
Including the monitoring report of generation is sent to remote test device.
7. a kind of monitoring method of digital medical X-ray shooting system according to claim 1, it is characterised in that: also
Including auxiliary corrective, the auxiliary corrective includes the correcting of X-ray tube, and the correcting method of X-ray tube is to X-ray
Pipe emits different voltage value and current value, so that X-ray tube is exposed operation under the voltage value and current value, obtains reality
The X-ray tube inherent characteristic voltage-to-current curve of output of output, then compares the curve of output and the preset voltage-of X-ray tube
Electric current curve of output, and generate examining report.
8. a kind of monitoring system of digital medical X-ray shooting system, it is characterised in that: including remote monitoring module, auxiliary
Correction module, equipment self-inspection survey module, and it includes the high pressure generator for connecting X-ray tube that the equipment self-inspection, which surveys module,；
Equipment self-inspection surveys module for mode locating for detection device and X-ray tube, flat panel detector, critical mechanical movement parts
Then operating parameter leads to the operating parameter of mode locating for equipment and X-ray tube, flat panel detector, critical mechanical movement parts
It crosses remote monitoring module and is sent to equipment manufacturer and auxiliary corrective module；
Mode locating for equipment includes shutdown mode, standby mode, interval load mode and continuous operation mode；
Auxiliary corrective module is for realizing the instruction pipe of X-ray tube, the correction of flat panel detector and the detection of critical mechanical movement parts.
9. a kind of monitoring system of digital medical X-ray shooting system according to claim 8, it is characterised in that: institute
Stating critical mechanical movement parts includes wirerope and motor.
10. a kind of monitoring system of digital medical X-ray shooting system according to claim 8, it is characterised in that: also
Including data sharing module, the data sharing module is used to emit the detection information that equipment self-inspection is surveyed in module to hospital and set
Standby management system.
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| CN201811206463.8A CN109259777B (en) | 2018-10-17 | 2018-10-17 | Monitoring method and system of digital medical X-ray photography system |
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| CN201811206463.8A CN109259777B (en) | 2018-10-17 | 2018-10-17 | Monitoring method and system of digital medical X-ray photography system |
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| CN109259777B CN109259777B (en) | 2021-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111481223A (en) * | 2020-04-21 | 2020-08-04 | 西门子医疗系统有限公司 | Fault diagnosis method and device for vehicle-mounted computer tomography equipment |
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| CN109259777B (en) | 2021-12-24 |
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