CN114795181A

CN114795181A - Method and device for assisting children in adapting to nuclear magnetic resonance examination

Info

Publication number: CN114795181A
Application number: CN202210717571.1A
Authority: CN
Inventors: 王思伦
Original assignee: Shenzhen Yiwei Medical Technology Co Ltd
Current assignee: Shenzhen Yiwei Medical Technology Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-07-29
Anticipated expiration: 2042-06-23
Also published as: CN114795181B

Abstract

The invention discloses a method and a device for assisting a child to adapt to nuclear magnetic resonance examination, wherein the method is suitable for a virtual reality helmet provided with an inertial sensor, and comprises the following steps: detecting shaking operation of the virtual reality helmet in a training mode; when the shaking operation is detected to meet the condition of exiting the trigger, exiting the training mode; the training mode comprises the virtual reality helmet playing nuclear magnetic resonance sound and/or playing nuclear magnetic examination environment pictures. The method can timely detect discomfort of the child in nuclear magnetic resonance examination adaptation training (playing nuclear magnetic resonance sound and corresponding pictures) through the virtual reality helmet and timely quit the training environment in response to the detected discomfort, so that the time of the child in the fear environment is reduced.

Description

Method and device for assisting children in adapting to nuclear magnetic resonance examination

Technical Field

The invention relates to the technical field of nuclear magnetic resonance, in particular to a method and a device for assisting children in adapting to nuclear magnetic resonance examination.

Background

Magnetic Resonance Imaging (MRI) is an important place in medical systems, and not only can be used to help to investigate diseases of various parts of the body, such as the abdominal pelvis, the spine, the brain, etc., but also the development degree of the diseases can be more clearly understood through imaging professional equipment. However, since the detector is narrow, the detection process is often accompanied by loud sounds, and the person to be detected is required to be kept as still as possible.

In the prior art, there are two related technologies for helping a subject to adapt to nuclear magnetic resonance examination, the first is a fear sustained-release visual device for nuclear magnetic resonance claustrophobia provided in chinese patent with publication number CN109512431A, which is intended to help the subject to adapt to nuclear magnetic resonance examination in the detection process by providing varying vision for the subject to perform nuclear magnetic resonance examination to relieve fear of the subject. The second one is an augmented reality system for assisting the examinee to adapt to the magnetic resonance scanning environment, which is provided by chinese patent with publication number CN110910513A, and performs training before nuclear magnetic resonance examination for the examinee through virtual reality technology, and preliminary experimental data provided by the augmented reality system shows that the amplitude and frequency of head movements of the 8 year old child trained by the system in the magnetic resonance scanning can be reduced by more than half.

It has been found that when the second scheme is used to assist the detected child in performing the adaptive training, since many children are not familiar with the operation of the virtual reality helmet (i.e. VR head-mounted display, virtual reality head-mounted display) for the first time, when the child hears the nuclear magnetic resonance sound or sees the picture of the corresponding scene through the virtual reality helmet, the children cannot use the language to accurately express own feelings in time due to being younger and weaker in expression ability, if the operators or parents cannot observe the fear of the children in time and help the children to break away from the environment corresponding to the nuclear magnetic resonance sound or the picture played by the virtual reality helmet when the children fear, the children are in fear for a long time, which may aggravate the contradiction psychology of the children to the nuclear magnetic resonance, thereby causing the training effect of assisting the child to adapt to the nuclear magnetic resonance examination by VR to be counterproductive.

Disclosure of Invention

The present invention is directed to solve at least one of the technical problems in the prior art, and provides a method and an apparatus for assisting a child in adapting to a nuclear magnetic resonance examination, which can timely detect discomfort of the child during a nuclear magnetic resonance examination adaptation training (playing a nuclear magnetic resonance sound and a corresponding picture) performed by a virtual reality helmet and timely quit the training environment in response to the detected discomfort, thereby reducing the time for the child to stay in the uncomfortable environment.

In a first aspect, the present invention provides a method of assisting a child in adapting a nuclear magnetic resonance examination, adapted for use with a virtual reality helmet provided with inertial sensors, the method comprising:

detecting shaking operation of the virtual reality helmet in a training mode;

when the shaking operation is detected to meet the condition of exiting the trigger, exiting the training mode;

the training mode comprises the virtual reality helmet playing nuclear magnetic resonance sound and/or playing nuclear magnetic examination environment pictures.

Further, the method further comprises:

detecting shaking operation of the virtual reality helmet in a non-training mode;

and when the shaking operation is detected to meet the exit triggering condition, sending out an alarm signal.

Further, the exit trigger condition includes:

the time for which the shaking amplitude and/or the shaking frequency corresponding to the shaking operation are/is larger than the threshold value is/are larger than a first preset time.

Further, the method further comprises:

counting the sum of the first times and the second times to obtain qualified times; the first times are times that the duration of the training mode is longer than a second preset time when the shaking operation does not occur; the second times are times that the time for which the shaking operation does not meet the exit triggering condition is longer than a second preset time in the training mode;

and when the qualified times reach a time threshold value, judging that the training is qualified.

Further, the method further comprises:

acquiring child medical record data from a hospital medical record server;

acquiring nuclear magnetic resonance detection information from the child medical record data;

matching the nuclear magnetic resonance detection information with a preset nuclear magnetic resonance time-consuming library to determine the detection time-consuming;

and assigning the detection consumed time to the second preset time.

Further, the method further comprises:

and playing a breath-holding training picture in the training mode.

When a timing signal sent by a remote controller is received, starting breath holding timing and displaying the duration of continuously receiving the timing signal in real time in the breath holding training picture; the timing signal is a signal generated when a child presses a key on the remote controller.

And when the timing signal is not received, ending the breath holding timing and displaying the time length from the start of the breath holding timing to the end of the breath holding timing in the breath holding training picture.

Further, the method further comprises:

and when the number of times of qualified breath holding timing is larger than the qualified threshold value of the breath holding, judging that the breath holding is qualified.

In a second aspect, the present invention provides an apparatus for assisting a child-adapted nuclear magnetic resonance examination, comprising a virtual reality helmet provided with an inertial sensor, the virtual reality helmet comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method for assisting a child-adapted nuclear magnetic resonance examination according to any one of the first aspect of the present invention when executing the program.

In a second aspect, the present invention provides an apparatus for assisting a child-adapted nuclear magnetic resonance examination, comprising a virtual reality helmet provided with an inertial sensor, the virtual reality helmet comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method for assisting a child-adapted nuclear magnetic resonance examination according to any one of the first aspect when executing the program.

In a third aspect, the present invention provides a computer-readable storage medium having stored thereon computer-executable instructions for causing a computer to perform the method of assisting a child in adapting a nuclear magnetic resonance examination according to any one of the first aspect.

In a fourth aspect, the invention provides a computer program product comprising computer programs/instructions, characterized in that the computer programs/instructions, when executed by a processor, implement the steps of the method of assisting a child in adapting a nuclear magnetic resonance examination according to any one of the first aspect.

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 invention is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a diagram of an exemplary environment in which a method for assisting a child in adapting an MRI examination may be used.

FIG. 2 is a flow diagram illustrating a method for assisting a child in adapting an MRI examination, according to one embodiment.

FIG. 3 is a flow diagram illustrating a method for assisting a child in adapting an MRI examination, according to one embodiment.

FIG. 4 is a flow diagram illustrating a method for assisting a child in adapting an MRI examination, according to one embodiment.

FIG. 5 is a flow diagram illustrating a method for assisting a child in adapting an MRI examination, according to one embodiment.

FIG. 6 is a block diagram of a computer device in one embodiment.

Fig. 7 is a screen of a function menu that the remote controller can control in one embodiment.

FIG. 8 is a screen displayed in a non-training mode in one embodiment.

FIG. 9 is a screen displayed in a training mode in one embodiment.

FIG. 10 is a diagram illustrating the structure of a remote controller according to an embodiment.

Reference numerals:

110. a virtual reality helmet; 120. a hospital medical record server; 130. an operation terminal; 140. and a remote controller.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

FIG. 1 is a diagram of an exemplary environment in which a method for assisting a child in adapting an MRI examination may be used. Referring to fig. 1, the method of assisting a child in accommodating a nuclear magnetic resonance examination is applied to a virtual reality helmet 110 provided with inertial sensors. The embodiment shows an application environment comprising a hospital medical record server 120 for storing medical record data of a hospital, a virtual reality helmet 110 for wearing on the head of a child, a remote controller 140 for controlling the virtual reality helmet 110, and an operation terminal 130 for displaying synchronous pictures and sounds of the virtual reality helmet 110, wherein the operation terminal 130 can also reversely control functions executed by the virtual reality helmet. Specifically, the virtual reality helmet 110 is in communication connection with the medical record server 120 of the hospital through wifi, and the images and sounds in the virtual reality helmet 110 are synchronized to the operation terminal 130 through wifi, and the remote controller 140 is used for controlling specific functions in the virtual reality helmet 110. For example, when the virtual reality helmet 110 is not connected to the hospital medical record server 120, after a child lies on a training bed and wears the virtual reality helmet 110 on the child, the operator needs to manually select an option corresponding to training on the function menu screen shown in fig. 7 through the remote controller 140, and the function buttons are described as follows:

propagandizing before examination: controlling whether to display the propaganda and education before detection;

scene selection: controlling the background of the room, and displaying different wallpaper themes according to the selected theme;

nuclear magnetic equipment: controlling and displaying the appearance model of the nuclear magnetic equipment, and displaying according to the selected model;

nuclear magnetic scan sequence: controlling sound selection of scanning nuclear magnetic playing;

nuclear magnetic scan time: setting the playing time of the nuclear magnetic scanning sequence;

breath holding prompt: controlling whether a breath holding prompt is played or not when scanning starts, wherein the breath holding time is 15 seconds;

beginning a nuclear magnetic examination: and after clicking a confirmation button on the handle, entering a nuclear magnetic examination process according to a set program.

It can be understood that, after the virtual display helmet is connected to the medical record server 120 of the hospital through the network, the medical record number corresponding to the child can be input through the operation terminal 130, so that the medical record data of the child can be bound with the virtual reality helmet 110, and the virtual reality helmet 110 can automatically select the nuclear magnetic equipment and the nuclear magnetic scanning sequence according to the content on the medical record, and automatically match the detection time consumption corresponding to the child detection from the preset nuclear magnetic resonance time consumption library, and determine whether the detection item needs to be subjected to breath-holding training, and the like. Of course, the operator can still select the contents of pre-examination announcements, scene selection, etc. through the remote controller 140.

The announcements before examination play the following:

the following items were strictly prohibited from being brought into the nuclear magnetic compartment: (1) various magnetic cards including bank credit cards, medical insurance cards, and the like; (2) artificial electronic cochlea, hearing aids, electronic syringe pumps; (3) gold and silver jewellery/hair clip/pin; (4) glasses; (5) a denture; (6) electronic products such as mobile phones and watches; (7) stretchers, carts, and wheelchairs; (8) keys, coins, lighters, belts and other metal objects.

The technician is informed in advance of the presence of the metal implant: the artificial joint comprises a bracket, a silver clip, an artificial joint, a steel nail fixing plate, a bullet spring plate, an artificial eyeball, a false tooth, an artificial limb, a wig, an intrauterine device, a chemotherapy pump, an insulin pump, a nerve stimulator and the like.

Examine the limbs, joints and spine, please remove the protective clothing and plaster in advance.

Examination of the abdomen and pelvis: please urinate and defecate 15 minutes earlier.

And magnetic resonance enhancement examination, namely, patients who receive the abdominal pelvic part MR examination and injection contrast enhancement should fast and forbid water for more than 6 hours, and exercise is performed for about 15 seconds in advance.

There is a certain noise in the examination, and you do not need to be nervous. We will prepare the earplug for you; the physician should be guided without moving during the examination. Any discomfort can be caused, and the hand-lifting and foot-lifting indications can be given.

Please confirm that you know that you are aware of the above, and will enter the nuclear magnetic inspection process.

The method for assisting the adaptation of children to nuclear magnetic resonance examination provided by the embodiment of the invention will be described and explained in detail by several specific embodiments.

As shown in fig. 2, in one embodiment, a method of assisting a child in adapting a nuclear magnetic resonance examination is provided, the method being adapted for use with a virtual reality helmet 110 provided with inertial sensors, the method comprising the steps of:

step S201, detecting whether the virtual reality helmet 110 is in a training mode. Wherein the training mode includes the virtual reality helmet 110 playing nuclear magnetic resonance sound and/or playing nuclear magnetic examination environment pictures.

It can be understood that the child can listen to the virtual reality helmet 110 through the headphones to play the magnetic resonance sound, the sound emitted by the MRI during the scanning examination mainly comes from the gradient field, and the components emitting different gradient coils can generate vibration sound under the action of the lorentz force due to the continuous closing of the current and the continuous change of the intensity in the gradient coils according to the characteristics of the sequence. Various types of high-intensity noise can be generated along with the continuous switching of the gradient field in the checking process, and the stronger the gradient field is, the larger the oscillation is, the stronger the sound is; the faster the gradient field switches, the more harsh its sound will be. If different sequences are scanned, different sounds can be emitted, and even an experienced doctor can judge the scanning sequences according to the characteristics of the same sounds. These nuclear magnetic resonance sound are strange and noisy sound to children, can arouse children's feared mood, and this application can broadcast in advance and train, lets children adapt to in advance to can adapt to when really carrying out nuclear magnetic resonance and detecting. On the other hand, as shown in fig. 9, it shows the view angle that a child sees when entering the nuclear magnetic resonance apparatus for detection, and taking the picture corresponding to the view angle as the nuclear magnetic resonance environment picture can also help the child extract the adaptation.

In step S202, if in the training mode, the shaking operation of the virtual reality helmet 110 is detected.

In this embodiment, the shaking of the virtual reality helmet 110 is detected by the inertial sensor, and how to detect the shaking by the inertial sensor belongs to the prior art, which is not repeated here.

And step S203, when the shaking operation is detected to meet the exit triggering condition, exiting the training mode.

Specifically, the exit triggering condition includes:

and the time for which the shaking amplitude and/or the shaking frequency corresponding to the shaking operation is greater than the threshold value is greater than first preset time.

In this embodiment, considering that the child is active, if the child is determined to enter the fear only by the shaking amplitude and/or shaking frequency corresponding to the shaking operation, the training process is easily interrupted frequently. Therefore, in this embodiment, if the child feels fear or discomfort of shaking of the head of the child, the shaking may be continued for a period of time, and if the shaking may be caused by an aggressive factor, the duration of the shaking is shorter, and therefore, the quitting triggering condition is that the duration of the shaking amplitude and/or the shaking frequency corresponding to the shaking operation being greater than the threshold value is greater than the first preset time, so that the training process can be prevented from being interrupted frequently. For example, the first preset time is 3 seconds, and if the time for which the shaking amplitude and/or the shaking frequency corresponding to the shaking operation is greater than the threshold value is greater than 3 seconds, the training mode is exited.

In this embodiment, after the child wears the helmet, in the training mode, the virtual reality helmet 110 plays the nmr sound and/or plays the nmr environment picture, due to the strangeness of the sounds or pictures, the child may feel feared or uncomfortable, the child may shake the body or head to shake the virtual reality helmet 110, the inertial sensor may detect the shaking operation of the virtual reality helmet 110, although the child does not express discomfort or fear by language or crying, the state of the child in shaking is obviously unsuitable for training, and at this time, the virtual reality helmet 110 is triggered to timely exit from the training mode (exit from the training mode means stop the currently played nuclear magnetic resonance sound and/or nuclear magnetic examination environment picture) and play an animation to sooth the child, so as to reduce the fear of the child. In another example, when the training mode is exited, the external speaker or the LED lamp on the virtual reality helmet 110 may notify the operator or the parent that the child shakes his head during the training process, which may be bad, to help to take off the virtual reality helmet 110 and soothe the child, thereby reducing the fear of the child.

In step S204, if in the non-training mode, the shaking operation of the virtual reality helmet 110 is detected.

And S205, when the shaking operation is detected to meet the exit triggering condition, sending out an alarm signal.

In this embodiment, it is further considered that the child wears the virtual reality helmet 110 for the first time, even if the child does not start to play the nuclear magnetic resonance sound and/or play the nuclear magnetic examination environment picture, the child may also feel uncomfortable or fear, in order to monitor the psychological state of the child in the whole stage of wearing the virtual reality helmet 110 by the child, the detection of the shaking operation of the virtual reality helmet 110 may be performed in the non-training mode, the child may shake the body or the head to drive the virtual reality helmet 110 to shake when fear, the inertial sensor may detect the shaking operation of the virtual reality helmet 110, although the child does not express the discomfort or fear by the language or cry, the state of the child in shaking is obviously unsuitable for performing resonance, and at this time, the virtual reality helmet 110 may be triggered to send out an alarm signal in time. Specifically, the operating personnel or parents can be informed through the external speaker or the LED lamp on the virtual reality helmet 110 that the head of the child shakes during the training process, which may be bad in mood, help take off the virtual reality helmet 110 and placate the child, and reduce the fear of the child.

In one embodiment, in order to avoid false triggering of the alarm signal, a head detection device for detecting whether the virtual reality helmet 110 is currently worn by the user may be further installed at a position inside the virtual reality helmet 110, where the position is in contact with the face, and the head detection device sends a wearing signal to the virtual reality helmet 110 when detecting the head of the user, and the processor of the virtual reality helmet 110 performs steps S204 to S205 in response to the wearing signal, otherwise does not perform the steps. Specifically, the head detection device is a capacitive touch key. The principle of the capacitive touch key is that a human body senses capacitance to detect whether a human body touches the key. In short, when a human body approaches a capacitive touch key, a current generated by the human body is coupled to a static capacitor, which means that the capacitance value of the pressed capacitor reaches the maximum. At this time, the changed capacitance value transmits and converts the signal, so that the capacitance signal can be converted into some kind of control signal (i.e. a wearing signal), and the processor of the virtual reality helmet 110 will perform steps S204 to S205 in response to the wearing signal, otherwise not perform the steps. Therefore, when the operator carries the helmet when the virtual reality helmet 110 is turned on, if no user wears the virtual reality helmet 110, even if the helmet is frequently shaken to a large extent during the carrying process, the alarm will not be triggered by mistake.

In one embodiment, as shown in fig. 3, the method further comprises:

and step S302, counting the sum of the first times and the second times to obtain qualified times. The first times are times that the duration of the training mode is longer than a second preset time when the shaking operation does not occur; the second frequency is the frequency that the time for which the shaking operation does not meet the quit triggering condition is longer than a second preset time in the training mode.

And step S304, judging that the training is qualified when the qualified times reach a time threshold value.

Considering that only letting children adapt to the one-way training of nuclear magnetic resonance sound and/or nuclear magnetic examination environment picture through the virtual reality helmet 110 is still not enough, still need to gather children's results of training in time, therefore in this embodiment, it not only can be used for in time monitoring children whether in uncomfortable state to rock the detection, but also can judge children whether accord with the requirement that nuclear magnetic resonance detected, the degree that the head does not rock or rock accords with the detection requirement, and then judge children whether qualified through the number of times (qualified times) that children accord with the requirement that nuclear magnetic resonance detected in training many times, after children are qualified, just can let children carry out real nuclear magnetic resonance and detect, can improve children's success rate that nuclear magnetic resonance detected at this moment greatly. For example, the number threshold is 2, the second preset time is 5 minutes, when a child wears the virtual reality helmet 110, it is counted that the shaking operation does not occur, the number of times that the duration of the training mode is greater than the second preset time is one, and in the training mode, the number of times that the duration of the shaking operation that the duration of the quitting triggering condition is not satisfied is greater than the second preset time is also one, so that the qualified number is 2, the number threshold is reached, the training of the child is judged to be qualified, and the real nuclear magnetic resonance detection can be performed, so as to improve the success rate of the real nuclear magnetic resonance detection.

As shown in fig. 4, in one embodiment, the method further comprises:

in step S402, the child medical record data is obtained from the medical record server 120.

And step S404, acquiring nuclear magnetic resonance detection information from the child medical record data.

And step S406, matching the nuclear magnetic resonance detection information with a preset nuclear magnetic resonance time-consuming library, and determining the detection time-consuming.

And step S408, assigning the detection consumed time to the second preset time.

It will be appreciated that the time consumption of the nmr examination will vary from child to child depending on the organ, the scan sequence, and whether enhancement is required. If look up every children case history and set up the second preset time of each children can bring very big inconvenience for operating personnel manually. In this embodiment, the virtual reality helmet 110 is directly connected to the medical record server 120 of the hospital, so that the medical record data of the child can be directly read, and the nuclear magnetic resonance detection information can be obtained from the medical record data of the child, and the nuclear magnetic resonance detection information can include the organ to be detected of the child, the adopted scanning sequence and whether enhancement is needed, and then matching is performed from a preset nuclear magnetic resonance time-consuming library, which is obtained by counting according to a large amount of historical nuclear magnetic resonance detection data of the hospital by an operator. For example, the organ to be detected of a child is the brain, the scanning sequence adopted is the sequence a, enhancement is not required, 5 minutes are taken for detecting the nuclear magnetic resonance of the combination in the historical data which can be obtained by matching from a preset nuclear magnetic resonance time-consuming library, the detection time is determined to be 5 minutes, and then the second preset time corresponding to the child is assigned to be 5 minutes. It can be understood that not all the combinations of the nuclear magnetic resonance detection data appear in the historical data, so for the combinations which do not appear, the manual assignment can be performed according to the experience of the doctor, so that the detection time consumption of each combination can be matched from the preset nuclear magnetic resonance time consumption library. The detection time generally means that a child needs to remain still for one nuclear magnetic resonance detection or stay in the nuclear magnetic resonance equipment within an allowable range of motion amplitude, so that the detection time is allowed to have a little deviation. Compared with the mode shown in fig. 7 that the operator needs to select the detection time (i.e., the nuclear magnetic scanning time) through the remote controller 140, the embodiment connects the hospital medical record server 120 through the virtual reality helmet 110 to automatically match the detection time, which is greatly convenient for the operator to operate. It can be understood that after the virtual reality helmet 110 is connected to the medical record server 120 of the hospital, parameters such as nuclear magnetic equipment and nuclear magnetic scanning sequence can be automatically selected, and manual operation is performed wirelessly and manually through the remote controller 140, which is further convenient for operation of an operator.

As shown in fig. 5, in one embodiment, the method further comprises:

step S502, in the training mode, a breath-holding training picture is played.

Step S504, when receiving the timing signal sent by the remote controller 140, starting breath holding timing and displaying the duration of continuously receiving the timing signal in real time in the breath holding training picture; the timing signal is a signal generated when the child presses a key on the remote controller 140.

Step S506, when the timing signal is not received, ending breath holding timing and displaying the time length from the start of breath holding timing to the end of breath holding timing in the breath holding training picture.

It is understood that the switching to the breath-hold training screen may be performed by the remote controller 140 or the operation terminal 130. Only when the breath-hold training picture is played, the virtual reality helmet 110 receives the timing signal sent by the remote controller 140 and triggers the start of breath-hold timing. That is, no dedicated key needs to be added to the remote controller 140 by this setting. It is understood that in order to facilitate easy pressing of the key by a child, the key may be set as the key with the largest area on the remote controller 140, as shown in fig. 10, and the confirmation key on the remote controller 140 is selected to trigger generation of the timing signal. It can be understood that the virtual reality helmet 110 stores the key value of the selected confirmation key in the local storage in advance, and when a signal in the remote controller 140 mode is received under the condition of playing the breath-holding training picture, the key value of the received signal is compared with the key value selected in advance in the local storage, and if the key value of the received signal is the key value selected in advance in the local storage, the signal is determined to be a timing signal. The virtual reality helmet 110 then counts the duration of the received timing signal (e.g., the current time is continuously transmitted for 6 seconds), and takes the duration as the duration of the timing signal continuously received, which is displayed in real time in the breath-hold training screen. When the child releases the key after the timing signal is continuously sent for 16 seconds, the virtual reality helmet 110 receives a null signal from the remote controller 140, that is, the timing signal is not received, and at this time, the breath-hold timing is ended and the elapsed time (16 seconds) from the start of the breath-hold timing to the end of the breath-hold timing is displayed in the breath-hold training picture.

In this embodiment, it is considered that breath holding is required when abdominal nuclear magnetic resonance detection is performed, and therefore, breath holding training needs to be performed on children in advance. However, when performing breath-holding training, it is necessary to determine whether the child has the ability to hold the breath for a set period of time (e.g., 15 seconds), so it is necessary to count the condition of the child's breath-holding training. One conceivable scheme is to perform breath holding timing in a breath holding training picture played by the virtual reality helmet 110, so that a child can feed back the time that the child can hold his breath holding to an operator, but this method is not suitable for the child to operate, and has high operation difficulty and low accuracy. For example, a child may start holding a breath long after the start of timing, and the number of children's ability to hold a breath is not always able to operate in conjunction with an operator. Based on this, in this example, the remote controller 140 is used to trigger the start breath holding timing and the end breath holding timing, so as to automatically count the breath holding time, and the operability is strong and the accuracy is high. Meanwhile, the eyes of the child are covered by the virtual reality helmet 110, and the positions of the keys on the remote controller 140 cannot be seen, so that the operation is convenient, an operator can tell the child to press the keys after holding the breath and does not loosen the hands, and the hands are loosened when the child does not feel that the screen holds the breath, so that the child is unfamiliar with and cannot see the keys of the remote controller 140, the child does not need to specially find the positions of the keys due to the fact that the trigger operation of the breath-holding timing is finished, the child is greatly convenient to operate, meanwhile, the child can concentrate on the breath-holding when holding the breath, and the child cannot be distracted due to the fact that the positions of the keys are required to be found.

For example, in one example, the child presses a button while the breath-hold is started at 10:01:00, and the content displayed on the breath-hold training screen is "current breath-hold time: 0 second, in 10:01:05, the content seen by the child on the breath-hold training picture is' the current breath-hold time: 5 seconds, at 10:01:16, the content seen by the child on the breath-hold training picture is' the current breath-hold time: 16 seconds ", child's screen can not live in breath and unclamp the button simultaneously this moment, and the content that stops on the training picture of holding in breath is" child you are really excellent, and your holding in breath is long for: 16 seconds ". At this time, the operator can view the data through the operation terminal 130. The virtual reality helmet 110 also counts the data of the breath-holding duration each time, so as to facilitate the feedback of the training effect.

In one embodiment, the method further comprises:

In this embodiment, when the nuclear magnetic resonance detection project that children did relates to the breath holding, can count the qualified number of times of children's breath holding timing automatically, only can judge that children's breath holding ability reaches real nuclear magnetic resonance and detect the requirement when qualified number of times is greater than the qualified threshold value of breath holding, just can allow to carry out real nuclear magnetic resonance and detect this moment to improve children's nuclear magnetic resonance and detect the success rate. For example, if the elapsed time length after the breath holding timing is finished reaches 15 seconds, the breath holding timing is considered to be qualified, the breath holding qualification threshold is 3 times, and if the elapsed time length after the breath holding timing is finished for three times by the child reaches 15 seconds, the child is judged to be qualified in breath holding, and the real nuclear magnetic resonance detection can be performed.

On the other hand, in an embodiment, there is also provided an apparatus for assisting a child adaptation nuclear magnetic resonance examination, including a virtual reality helmet 110 provided with an inertial sensor, where the virtual reality helmet 110 includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and where the processor executes the program to implement the method for assisting a child adaptation nuclear magnetic resonance examination according to any one of the embodiments.

Since the embodiment of the apparatus and the embodiment of the method are based on the same inventive concept, they will not be described herein again.

FIG. 6 is a diagram illustrating an internal structure of a computer device in one embodiment. The computer device can be specifically the virtual reality helmet 110, the operation terminal 130 or the hospital medical record server 120 in fig. 1. As shown in fig. 6, the computer apparatus includes a processor, a memory, a network interface, an input device, and a display screen connected through a system bus. Wherein the memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and may further store a computer program which, when executed by the processor, causes the processor to implement a method of assisting a child in adapting a nuclear magnetic resonance examination. The internal memory may also have stored therein a computer program that, when executed by the processor, causes the processor to perform a method of assisting a child in adapting a nuclear magnetic resonance examination. Those skilled in the art will appreciate that the configuration shown in fig. 6 is a block diagram of only a portion of the configuration associated with aspects of the present invention and is not intended to limit the computing devices to which aspects of the present invention may be applied, and that a particular computing device may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.

In one embodiment, a computer-readable storage medium is provided, having stored thereon computer-executable instructions for causing a computer to perform the steps of the above-described method of assisting a child in accommodating nuclear magnetic resonance examinations. The steps of the method for assisting the child in adapting to the nuclear magnetic resonance examination may be steps of the method for assisting the child in adapting to the nuclear magnetic resonance examination in the above embodiments.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchlink DRAM (SLDRA), Rambus (Rambus) direct RAM (RDRA), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Claims

1. A method of assisting a child in adapting a nuclear magnetic resonance examination, adapted for use with a virtual reality helmet provided with inertial sensors, the method comprising:

detecting shaking operation of the virtual reality helmet in a training mode;

2. The method of assisting child adaptation for magnetic resonance examination of claim 1, further comprising:

3. A method of assisting child adaptation for nmr examination according to claim 1 or 2, wherein the exit trigger condition comprises:

4. The method of assisting child adaptation for magnetic resonance examination of claim 1, further comprising:

5. The method of assisting child adaptation for magnetic resonance examination of claim 4, further comprising:

acquiring child medical record data from a hospital medical record server;

and assigning the detection consumed time to the second preset time.

6. The method of assisting child adaptation for magnetic resonance examination of claim 1, further comprising:

playing a breath-holding training picture in a training mode;

when a timing signal sent by a remote controller is received, starting breath holding timing and displaying the duration of continuously receiving the timing signal in real time in the breath holding training picture; the timing signal is a signal generated when a child presses a key on the remote controller;

7. The method of assisting child adaptation for magnetic resonance examination of claim 6, further comprising:

8. An apparatus for assisting child-adapted nuclear magnetic resonance examination, comprising a virtual reality helmet provided with inertial sensors, the virtual reality helmet comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the program, implements a method of assisting child-adapted nuclear magnetic resonance examination as claimed in any one of claims 1 to 7.

9. A computer-readable storage medium having computer-executable instructions stored thereon for causing a computer to perform the method of assisting a child in accommodating nmr examinations according to any one of claims 1 to 7.

10. A computer program product comprising computer program/instructions, characterized in that the computer program/instructions, when executed by a processor, implement the steps of the method of assisting a child in adapting a nuclear magnetic resonance examination as claimed in any one of claims 1 to 7.