CN106419918B - A kind of magnetic resonance imaging trigger device and magnetic resonance imaging control system and method - Google Patents
A kind of magnetic resonance imaging trigger device and magnetic resonance imaging control system and method Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Abstract
The invention belongs to medical magnetic resonance scan control technical field, a kind of magnetic resonance imaging trigger device and magnetic resonance imaging control system and method are provided.In the present invention, by using including trigger module, the magnetic resonance imaging trigger device of detection module and transmission module, so that when user carry out hold one's breath prepare when, according to the trigger action of user corresponding state change occurs for trigger module, the state of detection module detection trigger module, and corresponding command information is generated in the variation of trigger module generating state, and signal enhanced processing is carried out to command information, transmission module receives the command information after enhanced processing, and magnetic resonance imaging control device is sent to after the command information after enhanced processing is converted to corresponding digital signal, so that magnetic resonance imaging control device starts to be scanned user according to Digital Signals magnetic resonance imaging equipment, so that the opportunity that user independently selects scanning to start, avoid image artifacts caused by due to user is out of trim.
Description
Technical field
The invention belongs to medical magnetic resonance scan control technical field more particularly to a kind of magnetic resonance imaging trigger device and
Magnetic resonance imaging control system and method.
Background technique
Magnetic resonance imaging (Magnetic resonance imaging, MRI) is used as a kind of effective imaging diagnosis mode,
It is widely used in clinical application.When lesion occurs for human body somewhere, the proton of normal tissue and lesion tissue
The features such as density will appear difference, and magnetic resonance imaging can be good at detecting the presence of these differences, and be quantified to determine
Position.But magnetic resonance imaging also has its shortcoming: sweep time is longer, influences vulnerable to movement and generates artifact, especially in abdomen
Artifact is more prone to produce in the scanning of portion's histoorgan.
Currently, what the prior art was mainly taken is that operation doctor cries out mouth when carrying out abdomen breath-hold scans using magnetic resonance
It enables, guidance patient holds one's breath, and the time of scanning beginning is determined by operating doctor.However, the quality of holding one's breath due to patient is tight
Ghost image rings the image quality of magnetic resonance imaging, if patient and operation doctor's fitness are poor, it will so that magnetic resonance imaging is in disease
Start to scan when people is out of trim or in preparation process of holding one's breath, thus cause image artifacts serious, ineffective, shadow
Ring diagnostic result.
In conclusion existing magnetic resonance scanning method exist because patient hold one's breath it is out of trim caused by be easy to happen
The problem of image artifacts.
Summary of the invention
The purpose of the present invention is to provide a kind of magnetic resonance imaging trigger device and magnetic resonance imaging control system and method,
Aim to solve the problem that existing magnetic resonance scanning method exist because patient hold one's breath it is out of trim caused by be easy to happen image artifacts
The problem of.
The invention is realized in this way a kind of magnetic resonance imaging trigger device, connect with magnetic resonance imaging control device, institute
Magnetic resonance imaging control device is stated for controlling the working condition of magnetic resonance imaging equipment；The magnetic resonance imaging trigger device packet
It includes:
Trigger module, for when user carry out hold one's breath prepare when, corresponding shape is occurred according to the trigger action of the user
State variation；
Detection module is connect with the trigger module, for detecting the state of the trigger module, and in the trigger mode
Block generating state generates corresponding command information when changing, and carries out signal enhanced processing to described instruction information；
Transmission module is connect with the detection module, for receiving the command information after enhanced processing, and by the amplification
Treated is sent to the magnetic resonance imaging control device after command information is converted to corresponding digital signal, so that the magnetic
Resonance scan control device controls magnetic resonance imaging equipment according to the digital signal and starts to be scanned the user.
Another object of the present invention, which also resides in, provides a kind of magnetic resonance imaging control system, magnetic resonance imaging control system
System includes magnetic resonance imaging control device and above-mentioned magnetic resonance imaging trigger device.
A further object of the present invention, which also resides in, provides a kind of magnetic resonance imaging based on above-mentioned magnetic resonance imaging control system
Control method, the magnetic resonance imaging control method the following steps are included:
When user carry out hold one's breath prepare when, trigger module occurs corresponding state according to the trigger action of the user and becomes
Change；
Detection module detects the state of the trigger module, and generates accordingly in trigger module generating state variation
Command information, and to described instruction information carry out signal enhanced processing；
Transmission module receives the command information after enhanced processing, and the command information after the enhanced processing is converted to phase
The digital signal answered；
Magnetic resonance imaging control device receives the digital signal, and control magnetic resonance imaging dress according to the digital signal
It sets and starts to be scanned the user.
In the present invention, it is triggered by using the magnetic resonance imaging for including trigger module, detection module and transmission module
Device so that when user carry out hold one's breath prepare when, according to the trigger action of user corresponding state change, inspection occur for trigger module
The state of module detection trigger module is surveyed, and generates corresponding command information in the variation of trigger module generating state, and to finger
Information is enabled to carry out signal enhanced processing, transmission module receives the command information after enhanced processing, and by the instruction after enhanced processing
Information is sent to magnetic resonance imaging control device after being converted to corresponding digital signal so that magnetic resonance imaging control device according to
Digital Signals magnetic resonance imaging equipment starts to be scanned user so that user independently select scanning start when
Machine avoids image artifacts caused by due to user is out of trim, exists to solve existing magnetic resonance scanning method
Because patient hold one's breath it is out of trim caused by be easy to happen image artifacts the problem of.
Detailed description of the invention
Fig. 1 is into the modular structure schematic diagram of magnetic resonance imaging trigger device provided by one embodiment of the invention；
Fig. 2 is the structural schematic diagram of magnetic resonance imaging trigger device shown in FIG. 1；
Fig. 3 is another modular structure schematic diagram of magnetic resonance imaging trigger device provided by one embodiment of the invention；
Fig. 4 is the modular structure schematic diagram of magnetic resonance imaging control system provided by one embodiment of the invention；
Fig. 5 is the structural schematic diagram of magnetic resonance imaging control system shown in Fig. 4；
Fig. 6 is the flow diagram of magnetic resonance imaging control method provided by one embodiment of the invention；
Fig. 7 is another flow diagram of magnetic resonance imaging control method provided by another embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Realization of the invention is described in detail below in conjunction with specific attached drawing:
Fig. 1 shows the modular structure of magnetic resonance imaging trigger device 1 provided by one embodiment of the invention, for the ease of
Illustrate, only parts related to embodiments of the present invention are shown, and details are as follows:
As shown in Figure 1, magnetic resonance imaging trigger device 1 provided in an embodiment of the present invention and magnetic resonance imaging control device 2
Connection, and magnetic resonance imaging control device 2 is used to control the working condition of magnetic resonance imaging equipment (not shown)；Wherein,
Magnetic resonance imaging trigger device 1 includes trigger module 10, detection module 11 and transmission module 12.
Wherein, trigger module 10, for when user carry out hold one's breath prepare when, occurred according to the trigger action of user corresponding
State change；
Detection module 11 is connect with trigger module 10, for detecting the state of the trigger module, and in trigger module 10
Generating state generates corresponding command information when changing, and carries out signal enhanced processing to command information；
Transmission module 12 is connect with detection module 11, for receiving the command information after enhanced processing, and by enhanced processing
Command information afterwards is sent to magnetic resonance imaging control device 2 after being converted to corresponding digital signal, so that magnetic resonance imaging control
Device 2 processed starts to be scanned user according to Digital Signals magnetic resonance imaging equipment.
It should be noted that in the present embodiment, trigger module 10 is arranged in the screened room of magnetic resonance imaging, mould is detected
Block 11 and transmission module 12 are arranged in equipment room.
Further, Fig. 2 shows the structure of magnetic resonance imaging trigger device 1 provided by one embodiment of the invention, it is
Convenient for explanation, only parts related to embodiments of the present invention are shown, details are as follows:
As shown in Fig. 2, in the present embodiment, trigger module 10 is rubber pneumatic bag, when user carry out hold one's breath prepare when, rubber
Air bag is expiration state by suction condition variation according to the extrusion operation of user；Detection module 11 is respiration transducer, the breathing
Sensor is connect with rubber pneumatic bag by gas-guide tube 13, for detecting the state of rubber pneumatic bag, and when respiration transducer detects
To rubber pneumatic bag state by suction condition variation be expiration state when, respiration transducer according to state change generate accordingly finger
Information is enabled, and processing is amplified to the command information；Transmission module 12 includes analog-digital converter and PCI slot, analog-to-digital conversion
Command information after enhanced processing is converted to and is sent to magnetic resonance imaging control by PCI slot after corresponding digital signal by device
Device 2.
It is worth noting that, in the present embodiment, trigger module 10 can be by any pressure change applied according to the external world
And the device changed is realized, such as trigger module 10 can also be realized by air-impulse bag, it is not limited to rubber pneumatic bag.
Below to magnetic resonance imaging trigger device 1 provided in an embodiment of the present invention by taking entity structure shown in Fig. 2 as an example
Working principle illustrates, and details are as follows:
Firstly, being needed when being scanned time control using magnetic resonance imaging trigger device 1 provided in an embodiment of the present invention
Learning training is scanned to user by the methods of viewing video or scanning preview.
Later, user lie on hospital bed enter magnet chamber in etc. it is to be scanned, hold driver sweep always in user hand at this time
Rubber pneumatic bag, and operate doctor and register calibration system and carry out Scan orientation, breath-hold scans sequence is selected simultaneously to be discharged into scanning
Queue.
After user carries out adequate preparation, user squeezes the rubber pneumatic bag in hand, so that rubber pneumatic bag is due to the pressure that is subject to
Power and occur to change accordingly, i.e., rubber pneumatic bag by before suction condition variation be expiration state；Respiration transducer detects
Rubber pneumatic bag exhale outward with or the inside state of air-breathing, and detect the state of rubber pneumatic bag by air-breathing when respiration transducer
When state change is expiration state, respiration transducer generates corresponding command information according to the state change, which can
It is identified as user and has carried out preparation of holding one's breath, and analog-digital converter will be sent to after command information amplification, analog-digital converter should
The command information of simulation is converted to and is sent to magnetic resonance imaging control device 2 by PCI slot after corresponding digital signal, and magnetic is total
Vibration scan controller 2 controls magnetic resonance imaging equipment after receiving digital signal and starts to be scanned user.
In the present embodiment, it by allowing user to participate in scan control, allows users in oneself body and psychology
Oneself holds the opportunity that breath-hold scans start when preparing most abundant, avoids scanning caused by user and doctor's matching problem
Failure effectively improves quality of holding one's breath, and then preferably reduces influence of the respiratory movement to imaging, improves picture quality, in turn
Improve diagnostic accuracy.
Further, as shown in figure 3, magnetic resonance imaging trigger device 1 provided in an embodiment of the present invention further includes voice pair
Say module 14, the stopping that voice talk module 14 is used to receive the transmission of magnetic resonance imaging control device 2 is held one's breath phonetic order, and root
According to stop hold one's breath phonetic order sending hold one's breath stopping prompt so that user according to this hold one's breath stopping prompt stop hold one's breath.
In the present embodiment, by the way that voice talk module 14 is arranged in magnetic resonance imaging trigger device, so that voice pair
Say module 14 receive magnetic resonance imaging control device 2 send phonetic order of holding one's breath, and according to stop hold one's breath phonetic order prompt
User stops holding one's breath, so that user terminates to hold one's breath, adjustment breathing, to prepare the scanning of next sequence.
Fig. 4 shows the modular structure of magnetic resonance imaging control system 3 provided by one embodiment of the invention, for the ease of
Illustrate, only parts related to embodiments of the present invention are shown, and details are as follows:
As shown in figure 4, magnetic resonance imaging control system 3 shown in the embodiment of the present invention includes magnetic resonance imaging control device
2 with magnetic resonance imaging trigger device 1 as shown in Figure 1；It should be noted that in the present embodiment, magnetic resonance imaging control dress
It sets in 2 and is docked equipped with specific application program with scanning sequence, when magnetic resonance imaging control device 2 receives magnetic resonance imaging touching
When the digital signal that transmitting apparatus 1 occurs, magnetic resonance imaging control device 2 starts to transport according to the digital signal driver sweep sequence
Row, is scanned with controlling magnetic resonance imaging equipment to user.
Further, when magnetic resonance imaging control device 2, which controls magnetic resonance imaging equipment, to be scanned to user, if magnetic
Resonance scan control device 2 receives digital signal again, and magnetic resonance imaging control device 2 will receive digital signal again
Time carries out difference operation with the time for receiving digital signal before, and difference is compared with preset value, if difference is small
In preset value, then controls the stopping of magnetic resonance imaging equipment 2 and user is scanned；It is worth noting that, in the present embodiment, it
Before time of digital signal for receiving refer to when user is ready to, magnetic resonance is triggered by magnetic resonance imaging trigger device 1
Scan controller 2 controls time when magnetic resonance imaging equipment opens scanning；In addition, preset value refers to that magnetic resonance imaging fills
It sets when being scanned to user, by scanning the initial time value to the end of scan.
In the present embodiment, when magnetic resonance imaging equipment is scanned user, if magnetic resonance imaging control device 2 is again
Secondary to receive digital signal, magnetic resonance imaging control device 2 can calculate reception digital signal again and user carries out screen before
Receive the time difference between digital signal determines whether user currently holds one's breath exception when gas prepares, if user hold one's breath it is different
Often, then magnetic resonance imaging equipment stopping is immediately controlled to be scanned user, the image for preventing magnetic resonance imaging equipment from scanning
It is ineffective, further improve picture quality.
Further, as shown in figure 5, magnetic resonance imaging control device 2 includes intercom 20 and magnetic resonance imaging controller
21, in the present embodiment, which includes but is not limited to that the terminals such as desktop computer, laptop are set
It is standby.
Wherein, when the end of scan, intercom 20 is issued according to the phonetic order of operation doctor stops language of holding one's breath accordingly
Sound is instructed to the voice talk module 13 of magnetic resonance imaging trigger device 1, so that voice talk module 13 receives the stopping and holds one's breath
After phonetic order, according to the stopping hold one's breath phonetic order sending hold one's breath stopping prompt, with prompt user stop hold one's breath；In addition, working as
When the end of scan, magnetic resonance imaging controller 20 generates corresponding stop according to the stopping scan operation information that operation doctor inputs
Scan instruction is to magnetic resonance imaging equipment, so that magnetic resonance imaging equipment sweeps user according to stopping scan instruction stopping
It retouches.
In the present embodiment, by using magnetic resonance imaging trigger device 1 and magnetic resonance imaging control device 2, so that magnetic
Resonance scan trigger device 1 user carry out hold one's breath prepare when by the trigger action of user to magnetic resonance imaging control device 2
Send a notification message, magnetic resonance imaging control device 2 according to the notification message control magnetic resonance imaging equipment start to user into
Row scanning, so that user participates in scan control, and can be when oneself body and most abundant psychological preparation certainly
Oneself holds the opportunity that breath-hold scans start, and avoids and scans failure caused by user and doctor's matching problem, effectively improves screen
Makings amount, and then influence of the respiratory movement to imaging is preferably reduced, picture quality is improved, and then improve diagnostic accuracy.
Further, magnetic resonance imaging control system 3 based on shown in Fig. 4, the embodiment of the invention also provides a kind of magnetic
Resonance scan control method, as shown in fig. 6, the magnetic resonance imaging control method the following steps are included:
In step S60, when user carry out hold one's breath prepare when, trigger module occurs corresponding according to the trigger action of user
State change.
In step S61, detection module detects the state of trigger module, and generates in the variation of trigger module generating state
Corresponding command information, and signal enhanced processing is carried out to command information.
In step S62, transmission module receives the command information after enhanced processing, and by the command information after enhanced processing
Be converted to corresponding digital signal.
In step S63, magnetic resonance imaging control device receives digital signal, and is swept according to Digital Signals magnetic resonance
Imaging apparatus starts to be scanned user.
Further, as a preferred embodiment of the invention, as shown in fig. 7, magnetic provided by the embodiment of the present invention is total
The scan control method that shakes is further comprising the steps of:
In step S64, when the end of scan, magnetic resonance imaging control device sends the phonetic order that stops holding one's breath to voice
Intercommunication module.
In step S65, voice talk module, which receives, to be stopped holding one's breath phonetic order, and according to stopping phonetic order hair of holding one's breath
Stopping of holding one's breath out prompts.
In addition, as shown in fig. 7, magnetic resonance imaging control method provided by the embodiment of the present invention further includes step S66.
In step S66, when magnetic resonance imaging control device control magnetic resonance imaging equipment is scanned user, if
Magnetic resonance imaging equipment receives digital signal again, and magnetic resonance imaging control device will receive the time of digital signal again
Difference operation is carried out with the time for receiving digital signal before, and difference is compared with preset value, if difference is less than in advance
If value, then controls magnetic resonance imaging equipment stopping and user is scanned.
It should be noted that above-mentioned magnetic resonance imaging control method is controlled based on Fig. 4 and magnetic resonance imaging shown in fig. 5
What system 3 was realized, detailed schematic can refer to the description of Fig. 4 and Fig. 5, and details are not described herein again.
In embodiments of the present invention, by using the magnetic including trigger module 10, detection module 11 and transmission module 12
Resonance scan trigger device 1 so that when user carry out hold one's breath prepare when, trigger module 10 according to the trigger action of user occur phase
The state change answered, detection module 11 detects the state of trigger module 10, and generates in the variation of 10 generating state of trigger module
Corresponding command information, and signal enhanced processing is carried out to command information, transmission module 12 receives the instruction letter after enhanced processing
Breath, and it is sent to magnetic resonance imaging control device 2 after the command information after enhanced processing is converted to corresponding digital signal, with
Make magnetic resonance imaging control device 2 start to be scanned user according to Digital Signals magnetic resonance imaging equipment, and then makes
The opportunity that user independently selects scanning to start is obtained, image artifacts caused by due to user is out of trim are avoided, to solve
Existing magnetic resonance scanning method there are problems that holding one's breath because of patient it is out of trim caused by be easy to happen image artifacts.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (3)
1. a kind of magnetic resonance imaging control system, which is characterized in that the magnetic resonance scanning system includes magnetic resonance imaging control
Device and magnetic resonance imaging trigger device；
The magnetic resonance imaging trigger device, connect with magnetic resonance imaging control device, and the magnetic resonance imaging control device is used
In the working condition of control magnetic resonance imaging equipment；
The magnetic resonance imaging trigger device includes:
Trigger module, for when user carry out hold one's breath prepare when, corresponding state is occurred according to the trigger action of the user and is become
Change；
Detection module is connect with the trigger module, is sent out for detecting the state of the trigger module, and in the trigger module
Corresponding command information is generated when raw state change, and signal enhanced processing is carried out to described instruction information；
Transmission module is connect with the detection module, for receiving the command information after enhanced processing, and by the enhanced processing
Command information afterwards is sent to the magnetic resonance imaging control device after being converted to corresponding digital signal, so that the magnetic resonance
Scan controller controls the magnetic resonance imaging equipment according to the digital signal and starts to be scanned the user；
Voice talk module, the voice talk module are used to receive the stopping that the magnetic resonance imaging control device is sent and hold one's breath
Phonetic order, and according to it is described stopping hold one's breath phonetic order sending hold one's breath stopping prompt；
The trigger module be rubber pneumatic bag, when the user carry out hold one's breath prepare when, the rubber pneumatic bag is according to the user
Extrusion operation by suction condition variation be expiration state；
The detection module is respiration transducer, and the respiration transducer is connect with the rubber pneumatic bag by gas-guide tube, described
Respiration transducer detects the state of rubber pneumatic bag, and when the respiration transducer detects that the rubber pneumatic bag is become by suction condition
When turning to expiration state, the respiration transducer generates described instruction information according to the state change, and believes described instruction
Breath amplifies processing；
When the magnetic resonance imaging control device, which controls the magnetic resonance imaging equipment, to be scanned to the user, if described
Magnetic resonance imaging control device receives the digital signal again, and the magnetic resonance imaging control device will receive institute again
State time of digital signal and carry out difference operation with the time for receiving the digital signal before, and by difference and preset value into
Row compares, if the difference is less than the preset value, controls the magnetic resonance imaging equipment stopping and sweeps to the user
It retouches.
2. magnetic resonance imaging control system according to claim 1, which is characterized in that the transmission module includes that modulus turns
Parallel operation and PCI slot, after the command information after the enhanced processing is converted to corresponding digital signal by the analog-digital converter
The magnetic resonance imaging control device is sent to by the PCI slot.
3. a kind of magnetic resonance imaging control method based on magnetic resonance imaging control system described in claim 1, feature exist
In, the magnetic resonance imaging control method the following steps are included:
When user carry out hold one's breath prepare when, according to the trigger action of the user corresponding state change occurs for trigger module；
Detection module detects the state of the trigger module, and generates in trigger module generating state variation and refer to accordingly
Information is enabled, and signal enhanced processing is carried out to described instruction information；
Transmission module receives the command information after enhanced processing, and the command information after the enhanced processing is converted to accordingly
Digital signal；
Magnetic resonance imaging control device receives the digital signal, and control magnetic resonance imaging equipment is opened according to the digital signal
Beginning is scanned the user；
The magnetic resonance imaging control method is further comprising the steps of:
When the end of scan, the magnetic resonance imaging control device sends the phonetic order that stops holding one's breath to the speech talkback mould
Block；
The voice talk module reception is described to stop phonetic order of holding one's breath, and stops phonetic order sending screen of holding one's breath according to described
Gas stops prompt；
The magnetic resonance scanning method control is further comprising the steps of:
When the magnetic resonance imaging control device, which controls the magnetic resonance imaging equipment, to be scanned to the user, if described
Magnetic resonance imaging equipment receives the digital signal again, and the magnetic resonance imaging control device will receive the number again
The time of word signal carries out difference operation with the time for receiving the digital signal before, and difference and preset value are compared
Compared with if the difference controls the magnetic resonance imaging equipment stopping and is scanned to the user less than the preset value.
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| CN107874758A (en) * | 2017-10-27 | 2018-04-06 | 上海联影医疗科技有限公司 | The capturing method and system of respiratory cycle in magnetic resonance imaging |
| CN110269591B (en) * | 2019-06-27 | 2022-04-15 | 青岛大学附属医院 | Medical scanning image positioning method and device, computer equipment and medium |
| CN113125782A (en) * | 2019-12-31 | 2021-07-16 | 科美诊断技术股份有限公司 | Instruction generation method and device |
| WO2021237546A1 (en) * | 2020-05-28 | 2021-12-02 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for patient monitoring |
| WO2022226734A1 (en) * | 2021-04-26 | 2022-11-03 | 西安大医集团股份有限公司 | Imaging control method, medical imaging device, and imaging system |
| CN113782224A (en) * | 2021-09-13 | 2021-12-10 | 上海联影医疗科技股份有限公司 | Interactive device, nuclear magnetic resonance system and control method |
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| DE102011075289A1 (en) * | 2011-05-05 | 2012-11-08 | Siemens Aktiengesellschaft | A method and apparatus for assisting a patient in resuming a particular breath hold position for an imaging and magnetic resonance device |
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| CN104188680A (en) * | 2014-09-25 | 2014-12-10 | 中国人民解放军第三军医大学第二附属医院 | Radiography system with voice device and implementation method thereof |
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