CN109887370A - A kind of helmet-type training simulation device for before magnetic resonance examination - Google Patents
A kind of helmet-type training simulation device for before magnetic resonance examination Download PDFInfo
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- CN109887370A CN109887370A CN201910329358.1A CN201910329358A CN109887370A CN 109887370 A CN109887370 A CN 109887370A CN 201910329358 A CN201910329358 A CN 201910329358A CN 109887370 A CN109887370 A CN 109887370A
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- 238000004088 simulation Methods 0.000 title claims abstract description 52
- 238000012549 training Methods 0.000 title claims abstract description 50
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 37
- 230000000241 respiratory effect Effects 0.000 claims abstract description 29
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000005481 NMR spectroscopy Methods 0.000 abstract description 15
- 230000006978 adaptation Effects 0.000 abstract description 9
- 206010006322 Breath holding Diseases 0.000 description 16
- 238000007689 inspection Methods 0.000 description 9
- 210000003128 head Anatomy 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 210000001015 abdomen Anatomy 0.000 description 4
- 210000000038 chest Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 208000019901 Anxiety disease Diseases 0.000 description 3
- 206010009244 Claustrophobia Diseases 0.000 description 3
- 230000036506 anxiety Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 208000019899 phobic disease Diseases 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses a kind of helmet-type training simulation devices for before magnetic resonance examination, including the helmet, simulation acoustical generator, eyeshade, respirator of holding one's breath, respiration transducer, timer and alarm；The simulation acoustical generator is arranged on the helmet, and for generating with magnetic resonance examination when identical noise；The eyeshade is arranged on the helmet, and is used to cover the eyes of user and light source can be isolated；The respirator of holding one's breath is arranged on the helmet, and the mouth and nose for covering user and energy air-isolation entrance；The respiration transducer setting is held one's breath on respirator described, and for detecting in the respirator of holding one's breath whether have respiratory movement or respiratory air flow；The simulation acoustical generator, respiration transducer, timer and alarm are connect with controller circuitry.The present invention is used to before nuclear magnetic resonance check carry out adaptation of holding one's breath to patient, and dark surrounds adapts to and noise adaptation, and patient can be allowed to experience nuclear magnetic resonance check equipment state in advance.
Description
Technical field
The invention belongs to a kind of helmet-type training simulation devices for before magnetic resonance examination.
Background technique
When existing magnetic resonance examination, have the following characteristics that
First, magnetic resonance examination room is closed, and magnet spaces are small, and ambient black (particularly with claustrophobia patient, needs to fit
It answers)；
Second, magnetic resonance is checking that noise is big (70-90 decibels), causes patient inadaptable；
Third, long in the thorax abdomen inspection item review time, breathing, which is held one's breath, requires high (differing within duration of holding one's breath 12-22 seconds)；
But patient tends not to adhere to time enough stealthily taking a breath, if not through adaptation training reach effect just directly on
Magnetic resonance equipment inspection, patient tend not to hold one's breath to time enough and influence Checking on effect.
Above-mentioned several features when in view of magnetic resonance examination, in thorax abdomen inspection item, patient affected by inspection (is especially put under house arrest probably
Fear disease or the bad person of psychology) exist and reasons is not known about etc. to magnetic resonance equipment completion cannot effectively be cooperated to check (frightened, anxiety
Deng) the drawbacks of, therefore before nuclear magnetic resonance check, it is highly desirable to ask adaptation simulation magnetic resonance environment and training of holding one's breath.
Summary of the invention
In order to which in view of above-mentioned one or more defects exist in the prior art, the present invention provides one kind to be used for magnetic resonance
Helmet-type training simulation device before inspection.
To achieve the above object, the present invention provides a kind of helmet-type training simulation device for before magnetic resonance examination,
It is characterized by comprising the helmets (1), simulation acoustical generator (2), eyeshade (3), respirator of holding one's breath (4), respiration transducer (5), timing
Device and alarm；The simulation acoustical generator (2) is arranged on the helmet (1), and for generating with magnetic resonance examination when is identical
Noise；The eyeshade (3) is arranged on the helmet (1), and is used to cover the eyes of user and light source can be isolated；It is described
Respirator (4) setting hold one's breath on the helmet (1), and the mouth and nose for covering user and energy air-isolation entrance；It is described
Whether respiration transducer (5) is arranged on the respirator of holding one's breath (4), and exhale for detecting in the respirator (4) of holding one's breath
Suction movement or respiratory air flow；The simulation acoustical generator (2), respiration transducer (5), timer and alarm and controller circuitry connect
It connects.
Using the above structure, before nuclear magnetic resonance check (such as thorax abdomen inspection item), user (i.e. patient) is first used
It states helmet-type training simulation device and carries out adaptation simulated training.
And in simulated training, user (i.e. patient) head takes the helmet (1), covers and pass through screen by eyeshade (3)
Gas respirator (4) covers mouth and nose, and then the startup power supply timer starts to count, while simulating acoustical generator (2) generation and magnetic resonance
Identical noise (70-90 decibels) when inspection；When respiration transducer (5) detects that the interior mouth and nose of respirator (4) of holding one's breath generate
When respiratory movement or respiratory air flow, which stops timing to obtain breath holding time, when the breath holding time is held one's breath less than standard
When the time, which controls the alarm equipment alarm；And the breath holding time is greater than or equal to standard breath holding time (such as 20 seconds)
When, which controls the alarm and does not alarm.Therefore it can realize for holding one's breath before nuclear magnetic resonance check to patient
It adapts to, dark surrounds adapts to and noise adaptation, and patient can be allowed to experience nuclear magnetic resonance check equipment state in advance.When patient simultaneously
It adapts to breath holding time to require, after dark surrounds and noisy environment, can just go to carry out nuclear magnetic resonance check, to guarantee Checking on effect,
And it solves existing patient affected by inspection (especially claustrophobia or the bad person of psychology) and exists the reasons such as not knowing about not to magnetic resonance equipment
It can effectively cooperate and complete the drawbacks of checking (fear, anxiety etc.) problem.
Using the above scheme, it has the following characteristics that
First, since respirator of holding one's breath (4) covers patient's mouth and nose, for envelope needed for providing respiration transducer (5) detection
Condition is closed, and respiration transducer (5) terminates the time for determining to hold one's breath for incuding patient respiratory movement or respiratory air flow；When
When breath holding time is not up to standard, the alarm automatic alarm can be controlled by the controller, patient needs to be further continued for adapt to and instruct
Practice；Finally make patient respiratory hold one's breath training after reach check hold one's breath the standard time requirement；
Second, due to covering the eyes of user by eyeshade and light source can be isolated；There can be eyeshade component to cover patient
Eyes allow patient to adapt to confined environment (dark surrounds) in advance, patient can be allowed to experience nuclear magnetic resonance check equipment state in advance；
Third, identical noise (70-90 decibels), Huan Zheer when being generated due to simulation acoustical generator (2) with magnetic resonance examination
It piece can hear noise when magnetic resonance examination, patient can be allowed to experience in advance and check equipment state；
4th, it is used using helmet-type, facilitates patient to wear training, be not easy to fall, while being suitable for sitting in waiting room
Use.
Further, there are two simulation acoustical generator (2) tools, which is separately positioned on described
At left and right sides of the helmet (1).Patient's left-right ear can hear noise when magnetic resonance examination, and it is total more really to experience nuclear-magnetism
Vibration checks equipment state.
Further, the eyeshade (3) is arranged on front side of the helmet (1) and can upper and lower displacement adjusting.The eyeshade (3) can raise
It opens without covering eyes, and the eyeshade (3) can be lowered and cover eyes, it can be achieved that opening and covering the switching adjusting closed.It is instructing
Before white silk, which can reserve more spaces, avoid interference with, and more convenient respirator (4) of holding one's breath covers patient
Mouth and nose, at the same hold one's breath on tape respirator (4) when eyes as it can be seen that more observing and facilitating operation.After training, which can
It opens up, more spaces can be reserved, avoided interference with, it is more convenient to draw respirator (4) disengaging patient's mouth and nose of holding one's breath outside, it is detached from simultaneously
Eyes are as it can be seen that more observing and facilitating operation when respirator of holding one's breath (4).
Further, U-shaped frame (7) are installed on front side of the helmet (1), the U-shaped frame (7) tool there are two vertical bar section (7-1) and
Middle transverse rod section (7-2)；Eyeshade (3) left and right ends are connect with described two vertical bar section (7-1) upper slidables respectively.Due to
Eyeshade (3) left and right ends are connect with described two vertical bar section (7-1) upper slidables respectively, therefore the eyeshade (3) can be upper and lower
Sliding, and then realize that upper and lower displacement is adjusted.Eyeshade (3) left and right ends synchronous slide simultaneously, left and right stress, to guarantee that movement is flat
Stability and reliability.
It further, further include puller strap (6), which is located at below the eyeshade (3), the puller strap (6)
Using elastic material；The respirator of holding one's breath (4) is fixed in the middle part of the puller strap (6), puller strap (6) both ends respectively with it is described
It is affixed at left and right sides of the helmet (1).The puller strap (6) is used to provide the respirator of holding one's breath (4) elastic rubbish power, the breathing of holding one's breath
Cover (4) can guarantee closed state when covering mouth and nose, will not relax, avoid gas leakage and influence respiration transducer (5) signal detection.
The puller strap (6) can draw deformation to elongate outside simultaneously, and then the respirator of holding one's breath (4) can be unclamped and be removed from mouth and nose, facilitate behaviour
Make.
Further, the puller strap (6) has there are two and is distributed up and down.It can prevent the bottom on the respirator of holding one's breath (4)
Dynamic, which passes through upper and lower two rubbish power, it is ensured that is distributed in mouth and nose above and below the respirator of holding one's breath (4) while cover
On, guarantee reliability and stability.
It is further, fixed on the middle transverse rod section (7-2) that there are two puller strap lever (7-3), two puller straps
Lever (7-3) left and right is spaced apart；It is described when the puller strap (6) is stuck in outside on described two puller strap levers (7-3)
Respirator (4) of holding one's breath can be detached from the mouth and nose for covering user.When not in use, which can be stuck in described two drawings outside
On taut band lever (7-3), respirator of holding one's breath (4) position is outer and slot milling, and head is facilitated to enter in the helmet safely.And
After training simulation, when being pulled out outside the respirator of holding one's breath (4), it can be stuck in outside on described two puller strap levers (7-3), at this time
Facilitate in the head safe escape helmet again.
Further, it is set on the puller strap lever (7-3) there are two raised (7-31), two protrusions (7-31) are up and down
It is spaced apart.After the completion of training simulation, after the respirator of holding one's breath (4) is removed, the puller strap (6) is described in outer be stuck in
When on puller strap lever (7-3), and the puller strap (6) can prevent the puller strap for limiting between two protrusions (7-31)
(6) it is slipped from the puller strap lever (7-3), gets to mouth and nose after can avoid rebound, use is safer.It is not using simultaneously
When, it is ensured that the puller strap (6) is to be stuck on the puller strap lever (7-3) and be limited in two protrusions (7-31) outside
Between, facilitate patient to wear next time.
Further, the alarm uses combined aural and visual alarm.
Further, the respirator of holding one's breath (4) is equipped with respiratory siphon (4-4), which opens equipped with electromagnetism
It closes valve (8), which connect with the controller circuitry.
The present invention at least has the advantages that
First, the present invention is since respirator of holding one's breath covers patient's mouth and nose, for envelope needed for providing respiration transducer detection
Condition is closed, and respiration transducer terminates the time for determining to hold one's breath for incuding patient respiratory movement or respiratory air flow；When holding one's breath
When time is not up to standard, the alarm automatic alarm can be controlled by the controller, patient needs to be further continued for adapt to and training；Most
Make eventually patient respiratory hold one's breath training after reach check hold one's breath the standard time requirement；
Second, the present invention is due to covering the eyes of user by eyeshade and light source can be isolated；There can be eyeshade piece cover
Firmly patient's eye allows patient to adapt to confined environment (dark surrounds) in advance, and patient can be allowed to experience nuclear magnetic resonance check in advance and set
Standby state；
Third, the present invention is due to noise (70-90 decibels) identical when simulation acoustical generator is generated with magnetic resonance examination, patient
Ear can hear noise when magnetic resonance examination, and patient can be allowed to experience in advance and check equipment state；
4th, the present invention facilitates patient to wear training, is not easy to fall, while being suitable for waiting due to using helmet-type
Interior is seated use.
5th, the present invention is since the eyeshade is arranged on front side of the helmet and can upper and lower displacement adjusting.Before training, the eyeshade
Upwardly-openable can reserve more spaces, avoid interference with, and more convenient respirator of holding one's breath covers patient's mouth and nose, while shielding on tape
As it can be seen that more observe and facilitate operation, and after training, which can reserve more eyes when gas respirator
Space avoids interference with, more convenient outer that respirator of holding one's breath is drawn to be detached from patient's mouth and nose, at the same be detached from this hold one's breath respirator when eyes can
See, more observes and facilitate operation；
6th, the present invention is due to being installed with U-shaped frame on front side of the helmet, and there are two vertical bar section and middle transverse rods for U-shaped frame tool
Section；Since the eyeshade left and right ends are connect with described two vertical bar section upper slidables respectively, which can be slided up and down,
And then realize that upper and lower displacement is adjusted.The eyeshade left and right ends synchronous slide simultaneously, left and right stress, to guarantee robust motion and can
By property；
7th, the present invention since the respirator of holding one's breath is fixed in the middle part of the puller strap, the puller strap both ends respectively with institute
It states affixed at left and right sides of the helmet.The puller strap is used to provide elastic rubbish power to the respirator of holding one's breath, and the respirator of holding one's breath is in cover
Shut up nose when can guarantee closed state, will not relax, avoid gas leakage and influence respiration transducer signal detection.The puller strap simultaneously
Deformation can be drawn to elongate outside, then the respirator of holding one's breath can be unclamped and be removed from mouth and nose, facilitate operation.
8th, the present invention can prevent the bottom on the respirator of holding one's breath since the puller strap has there are two and is distributed up and down
Dynamic, which passes through upper and lower two rubbish power, it is ensured that is distributed on mouth and nose, guarantees above and below hold one's breath respirator while the cover
Reliability and stability.
9th, the present invention is due to fixed there are two puller strap lever in the middle transverse rod section, two puller strap levers
Left and right is spaced apart；When not in use, which can be stuck in outside on described two puller strap levers, the respirator position of holding one's breath
Slot milling outside resting against, facilitates head to enter in the helmet safely.And after training simulation, it is pulled out outside the respirator of holding one's breath
When, it can be stuck on described two puller strap levers, facilitate in the head safe escape helmet again at this time outside.
Tenth, due to being set on the puller strap lever there are two protrusion, which is spaced apart the present invention up and down,
After the completion of training simulation, after the respirator of holding one's breath is removed, the puller strap is when be stuck on the puller strap lever outside, and
The puller strap can prevent the puller strap from slipping from the puller strap lever, can avoid back for limiting between two protrusions
Mouth and nose are got to after bullet, use is safer.Simultaneously when not in use, it is ensured that the puller strap is to be stuck in the puller strap shelves outside
It on bar and is limited between two protrusions, patient is facilitated to wear next time.
Detailed description of the invention
Fig. 1 is perspective view of the present invention in training simulation.
Fig. 2 is perspective view of the present invention in training simulation (when being seen towards other direction).
Fig. 3 is left view of the present invention in training simulation.
Fig. 4 is front view of the present invention in training simulation.
Fig. 5 is the perspective view of the present invention when not in use.
Fig. 6 is the left view of the present invention when not in use.
Fig. 7 is circuit diagram of the invention.
Fig. 8 is the perspective view of respirator of holding one's breath.
Fig. 9 is the cross-sectional view of respirator of holding one's breath.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment: referring to Fig. 1-8, a kind of helmet-type training simulation device for before magnetic resonance examination comprising the helmet
1, acoustical generator 2, eyeshade 3, respirator 4 of holding one's breath, respiration transducer 5, timer and alarm are simulated.
The helmet 1 generally has shell, soft lining and suspension three parts.And the helmet 1 can be used existing common structure and set
Meter, so do not repeat.
The simulation acoustical generator 2 is arranged on the helmet 1, and for generating with magnetic resonance examination when identical noise
(such as 70-90 decibels).
Loudspeaker or loudspeaker can be used in the simulation acoustical generator 2.
In the present embodiment, there are two the tools of simulation acoustical generator 2, which is separately positioned on described
1 left and right sides of the helmet.When in use, noise when patient's left-right ear can hear magnetic resonance examination, can more really experience
Nuclear magnetic resonance check equipment state.
Wherein, the setting of eyeshade 3 is on 1 front side of the helmet, and is used to cover the eyes of user and light can be isolated
Source.
Preferably, the eyeshade 3 is using materials such as black or dark colors.
In this embodiment, it is preferred that the eyeshade 3 uses plastic material.And in other embodiments, the eyeshade 3 can
Using cloth.
Wherein, the setting of respirator 4 of holding one's breath is located at below eyeshade 3 on front side of the helmet 1, this holds one's breath respirator 4 simultaneously
Mouth and nose and energy air-isolation for covering user enter.
Wherein, the setting of respiration transducer 5 is held one's breath in respirator 4 described, and for detecting the respirator 4 of holding one's breath
Inside whether there are respiratory movement or respiratory air flow.
Preferably, whether the respiration transducer 5 has or respiratory air flow for detecting in the respirator 4 of holding one's breath.It is described
It is connected in 5 induction end of respiration transducer and the respirator 4 of holding one's breath or the setting of respiration transducer 5 is held one's breath in respirator 4 described
It is intracavitary.When thering is air-flow to flow in the respirator 4 of holding one's breath or air pressure change, due to will cause breathing of holding one's breath in mouth and nose air-breathing
The air-flow flowing of sealing space or air pressure change change in cover 4.
Referring to Fig. 8, which includes having inner cavity 4-2 in breathing over body case 4-1, breathing over body case 4-1,
Inner cavity 4-2 accent edge is equipped with seal rubber sleeve 4-3.The respiration transducer 5 is arranged in the inner cavity 4-2.
Referring to Fig. 9, the respirator 4 of holding one's breath is equipped with electromagnetic switch valve 8 equipped with respiratory siphon 4-4, respiratory siphon 4-4,
The electromagnetic switch valve 8 is connect with the controller circuitry.After respirator 4 of holding one's breath covers mouth and nose, when the electromagnetic switch valve 8 is opened
When, respiratory siphon 4-4 will be connected in atmosphere and respirator 4 of holding one's breath, at this time can eupnea.When holding one's breath, respirator 4 covers mouth and nose
Afterwards, when the electromagnetic switch valve 8 is closed, respiratory siphon 4-4 will cannot be connected in atmosphere and respirator 4 of holding one's breath, at this time cannot be just
Often breathing.
Specifically, under normal conditions, the electromagnetic switch valve is in an open state.Since electromagnetic switch valve 8 is arranged, when patient wears
It lies in place after putting on the helmet, for respirator of holding one's breath at this time in nose and mouth, respirator of holding one's breath this when should be can
With normal ventilation, just start to feel suffocated after patient is ready to feel suffocated, patient enters state of feeling suffocated；Therefore it can avoid putting on screen
Gas respirator and it is inactive before be enclosed due to mouth and nose after, there are irrespirable problems.
Therefore, because normally opened design can be used with electromagnetic switch valve 8, can be allowed before the starting of simulated training power switch
Air normally circulates and eupnea.
Wherein, the electromagnetic switch valve 8, simulation acoustical generator 2, respiration transducer 5, timer and alarm and controller electricity
Road connection.
The present invention is in nuclear magnetic resonance check such as thorax abdomen check item currently, user, that is, patient is first with the training of above-mentioned helmet-type
Simulator carries out adaptation simulated training.
And in simulated training, user, that is, patients head takes the helmet 1, is covered by eyeshade 3 and by breathing of holding one's breath
Cover 4 covers mouth and nose；Then startup power supply, the electromagnetic switch valve 8 switching are in off state, which generates total with magnetic
Vibration identical noise (70-90 decibels) when checking, which starts timing；When respiration transducer 5 detects that described hold one's breath is exhaled
When mouth and nose generate respiratory movement or respiratory air flow in suction hood 4, which stops timing to obtain breath holding time, when this is held one's breath
Between when being less than standard breath holding time, which controls the alarm equipment alarm；And the breath holding time is greater than or equal to standard screen
When gas time (such as 20 seconds), which controls the alarm and does not alarm.Therefore it can realize for before nuclear magnetic resonance check
Adaptation of holding one's breath is carried out to patient, dark surrounds adapts to and noise adaptation, and patient can be allowed to experience nuclear magnetic resonance check equipment in advance
State.As patient while breath holding time requirement is adapted to, after dark surrounds and noisy environment, can just go to carry out nuclear magnetic resonance check,
To guarantee Checking on effect, and solve existing patient affected by inspection especially claustrophobia or the bad person of psychology exists to magnetic resonance equipment not
The reasons such as understanding cannot effectively cooperate the drawback problem for completing to check fear, anxiety etc..
It has the characteristics that and is analyzed as follows when in use:
First, due to holding one's breath, respirator 4 covers patient's mouth and nose, detects required sealing strip for providing respiration transducer 5
Part, and respiration transducer 5 terminates the time for determining to hold one's breath for incuding patient respiratory movement or respiratory air flow；When holding one's breath
Between it is not up to standard when, the alarm automatic alarm can be controlled by the controller, patient needs be further continued for adapt to and training；Finally
Make patient respiratory hold one's breath training after reach check hold one's breath the standard time requirement；
Second, due to covering the eyes of user by eyeshade and light source can be isolated；There can be eyeshade component to cover patient
Eyes allow patient to adapt to confined environment dark surrounds in advance, and patient can be allowed to experience nuclear magnetic resonance check equipment state in advance；
Third, due to noise 70-90 decibels identical, patient's ear meeting when simulation acoustical generator 2 is generated with magnetic resonance examination
It hears noise when magnetic resonance examination, patient can be allowed to experience in advance and check equipment state；
4th, it is used using helmet-type, facilitates patient to wear training, be not easy to fall, while being suitable for sitting in waiting room
Use.
Referring to fig. 2 with 5, in the present embodiment, the setting of eyeshade 31 front side of the helmet and can upper and lower displacement adjust.
It can be found in Fig. 5-6, which can raise opening without covering eyes.It can be found in Fig. 2-3, and the eyeshade 3 can be lowered
And eyes are covered, it can be achieved that opening and covering the switching adjusting closed.
Referring to figure 2-3 and 5-6, before training, which can reserve more spaces, avoid interference with, more
Respirator 4 of conveniently holding one's breath covers patient's mouth and nose, at the same hold one's breath on tape respirator 4 when eyes as it can be seen that more observing and facilitating operation.
After training, 3 upwardly-openable of eyeshade, can reserve more spaces, avoid interference with, more convenient to draw the disengaging of respirator 4 of holding one's breath outside
Patient's mouth and nose, at the same be detached from this hold one's breath respirator 4 when eyes as it can be seen that more observing and facilitating operation.
Referring to fig. 2-6, specifically, be installed with U-shaped frame 7 on front side of the helmet 1, the U-shaped frame 7 tool there are two vertical bar section 7-1 and
Middle transverse rod section 7-2；Described two vertical bar section 7-1 are located at left and right sides of the middle transverse rod section 7-2.
Wherein, which connect with described two vertical bar section 7-1 upper slidables respectively.Due to the eyeshade 3
Left and right ends are connect with described two vertical bar section 7-1 upper slidables respectively, therefore the eyeshade 3 can slide up and down, and then are realized
Upper and lower displacement is adjusted.The 3 left and right ends synchronous slide of eyeshade simultaneously, left and right stress, to guarantee robust motion and reliability.
Specifically, which is respectively equipped with two set portion 3-1, two set portion 3-1 respectively with it is described two
The top vertical bar section 7-1 is slidably matched.
In addition, referring to Fig. 5, lower edge is equipped with one and avoids slot 3-2 in the eyeshade 3, this avoid slot 3-2 arrive V-arrangement or
Inverted trapezoidal.It can more preferably avoid the wearing when respirator 4 is held one's breath in wearing and hold one's breath respirator 4 shield arm position.
Referring to Fig. 1-6, in addition, further including puller strap 6, which is located at 3 lower section of eyeshade, and the puller strap 6 is adopted
Use elastic material；The respirator 4 of holding one's breath is fixed on 6 middle part of puller strap, and 6 both ends of puller strap are left with the helmet 1 respectively
Right two sides are affixed.For the puller strap 6 for providing elastic rubbish power to the respirator 4 of holding one's breath, which is covering mouth and nose
When can guarantee closed state, will not relax, avoid gas leakage and influence 5 signal detection of respiration transducer.The puller strap 6 can be outer simultaneously
Deformation is drawn to elongate, then the respirator 4 of holding one's breath can be unclamped and be removed from mouth and nose, facilitate operation.
Referring to Fig. 1-6, further, there are two the tools of puller strap 6 and distribution up and down.It can prevent the respirator 4 of holding one's breath
It swings up and down, which passes through upper and lower two rubbish power, it is ensured that be distributed in mouth above and below hold one's breath respirator 4 while the cover
On nose, guarantee reliability and stability.
It is further, fixed there are two puller strap lever 7-3 on the middle transverse rod section 7-2 referring to Fig. 1-6, this two
Puller strap lever 7-3 or so is spaced apart.
It can be found in Fig. 5-6, when the puller strap 6 is stuck in outside on described two puller strap lever 7-3, described hold one's breath is exhaled
Suction hood 4 can be detached from the mouth and nose for covering user.Simultaneously when not in use, which can be stuck in described two puller strap shelves outside
On bar 7-3,4 position of respirator of holding one's breath is outer and slot milling, and head is facilitated to enter in the helmet safely.And in training simulation
Afterwards, it when being pulled out outside the respirator 4 of holding one's breath, can be stuck in outside on described two puller strap lever 7-3, facilitate head safe again at this time
It is detached from the helmet.
It can be found in Fig. 5-6, further, set on the puller strap lever 7-3 there are two protrusion 7-31, this two protrusion 7-
About 31 are spaced apart.It can be found in Fig. 5-6, after the completion of training simulation, after the respirator 4 of holding one's breath is removed, the puller strap 6
It is when be stuck on the puller strap lever 7-3 outside, and the puller strap 6 can be prevented for limiting between two protrusion 7-31
The puller strap 6 is slipped from the puller strap lever 7-3, gets to mouth and nose after can avoid rebound, use is safer.Do not make simultaneously
Used time, it is ensured that the puller strap 6 be stuck on the puller strap lever 7-3 and be limited in outside two protrusion 7-31 it
Between, facilitate patient to wear next time.
Further, the alarm uses combined aural and visual alarm.The combined aural and visual alarm is arranged on the helmet 1.
In addition, may be provided with display and power switch on the helmet 1.When the display is used for real-time display training simulation
Breath holding time.And power switch is used for power initiation or closing.When the power switch starting when, by the simulation acoustical generator 2,
The circuit that respiration transducer 5, timer and alarm and controller etc. are constituted enters working condition.
In addition, being configured with power supply in the helmet 1.Preferably, power supply selects lithium battery and chargeable.Power supply is used for as institute
State electromagnetic switch valve 8, the circuit work that simulation acoustical generator 2, respiration transducer 5, timer and alarm and controller etc. are constituted
As when be powered.The power switch may be provided on the helmet 1, using push switch.
Referring to Fig. 1-7, at work, the helmet 1 is first put on, then worn eyeshade 3 and respirator 4 of holding one's breath, then this is pressed
Voltage source switch press, the controller can control the first relay KM1, electromagnetic switch valve 8, the second relay KM2 and work at the same time,
Then timer begins to timing；
At this point, referring to Fig. 7, and the controller is connect due to passing through the first relay KM1 with simulation acoustical generator 2, the simulation
Acoustical generator 2 is connect with power circuit, and when power switch started by press work, which is closed, the mould
Quasi- 2 circuit communication of acoustical generator and sounding works；
At this point, referring to Fig. 7, and the controller is connect due to passing through the second relay KM2 with alarm, the alarm and electricity
Source circuit connection, when power switch started by press work, which is disconnected, which does not alarm；
At this point, referring to Fig. 7, when power switch started by press work, when being in closing due to the electromagnetic switch valve 8,
Make to be connected between atmosphere and respirator 4 of holding one's breath, 4 inner cavity of respirator of holding one's breath is in closed state；
Then, when respiration transducer 5 detects that mouth and nose generate respiratory movement or respiratory air flow in the respirator 4 of holding one's breath
When, which stops timing to obtain breath holding time, and when the breath holding time is less than standard breath holding time, which is controlled
The second relay KM2 and contact are closed, which is connected to and alert operation, while the controllable display of controller control
Device shows unqualified；And the breath holding time be greater than or equal to standard breath holding time (such as 20 seconds) when, the controller control this second
Relay KM2 keeps contact to disconnect, which does not alarm, at the same controller control controllable display show it is unqualified.
Specifically, normally closed relay can be used in the first relay KM1, second relay KM2 can be used it is normally opened after
Electric appliance.
After Pattern completion, the first relay KM1 can be controlled again by reset button or timeouts, the controller
It is reset to normally off, second relay KM2 is reset to normally open, and the electromagnetic switch valve 8 reset is in an open state；Finally
Power switch is turned off manually.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of helmet-type training simulation device for before magnetic resonance examination, it is characterised in that: including the helmet (1), simulation hair
Sound device (2), eyeshade (3), respirator of holding one's breath (4), respiration transducer (5), timer and alarm；
The simulation acoustical generator (2) is arranged on the helmet (1), and for generating with magnetic resonance examination when identical noise；
The eyeshade (3) is arranged on the helmet (1), and is used to cover the eyes of user and light source can be isolated；
The respirator of holding one's breath (4) is arranged on the helmet (1), and the mouth and nose for covering user and can air-isolation into
Enter；
The respiration transducer (5) is arranged on the respirator of holding one's breath (4), and for detecting in the respirator (4) of holding one's breath
Whether respiratory movement or respiratory air flow are had；
The simulation acoustical generator (2), respiration transducer (5), timer and alarm are connect with controller circuitry.
2. a kind of helmet-type training simulation device for before magnetic resonance examination as described in claim 1, it is characterised in that: institute
It states there are two simulation acoustical generator (2) tools, which is separately positioned at left and right sides of the helmet (1).
3. a kind of helmet-type training simulation device for before magnetic resonance examination as claimed in claim 2, it is characterised in that: institute
Eyeshade (3) setting is stated on front side of the helmet (1) and can upper and lower displacement adjust.
4. a kind of helmet-type training simulation device for before magnetic resonance examination as claimed in claim 3, it is characterised in that: should
U-shaped frame (7) are installed on front side of the helmet (1), there are two vertical bar section (7-1) and middle transverse rod sections (7-2) for the U-shaped frame (7) tool；The eye
Cover (3) left and right ends are connect with described two vertical bar section (7-1) upper slidables respectively.
5. a kind of helmet-type training simulation device for before magnetic resonance examination as claimed in claim 4, it is characterised in that: also
Including puller strap (6), which is located at below the eyeshade (3), and the puller strap (6) uses elastic material；
The respirator of holding one's breath (4) is fixed in the middle part of the puller strap (6), and puller strap (6) both ends are left with the helmet (1) respectively
Right two sides are affixed.
6. a kind of helmet-type training simulation device for before magnetic resonance examination as claimed in claim 4, it is characterised in that: institute
Puller strap (6) are stated to have there are two and be distributed up and down.
7. such as a kind of helmet-type training simulation device for before magnetic resonance examination described in claim 5 or 6, feature exists
In: fixed on the middle transverse rod section (7-2) there are two puller strap lever (7-3), and two puller strap levers (7-3) are between left and right
Every distribution；
When the puller strap (6) is stuck in outside on described two puller strap levers (7-3), the respirator of holding one's breath (4) can take off
From the mouth and nose for covering user.
8. a kind of helmet-type training simulation device for before magnetic resonance examination as claimed in claim 7, it is characterised in that: institute
It states and is set on puller strap lever (7-3) there are two raised (7-31), which is spaced apart up and down.
9. a kind of helmet-type training simulation device for before magnetic resonance examination as described in claim 1, it is characterised in that: institute
Alarm is stated using combined aural and visual alarm.
10. a kind of helmet-type training simulation device for before magnetic resonance examination as described in claim 1, it is characterised in that:
The respirator of holding one's breath (4) is equipped with respiratory siphon (4-4), which is equipped with electromagnetic switch valve (8), which opens
Valve (8) are closed to connect with the controller circuitry.
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| CN201910329358.1A CN109887370B (en) | 2019-04-23 | 2019-04-23 | Helmet type training simulator used before magnetic resonance examination |
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|---|---|---|---|
| CN201910329358.1A CN109887370B (en) | 2019-04-23 | 2019-04-23 | Helmet type training simulator used before magnetic resonance examination |
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| CN109887370B CN109887370B (en) | 2024-01-30 |
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Cited By (3)
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| CN114699064A (en) * | 2022-04-01 | 2022-07-05 | 四川省肿瘤医院 | Breath holding assisting method for cardiac magnetic resonance examination |
| CN114795181A (en) * | 2022-06-23 | 2022-07-29 | 深圳市铱硙医疗科技有限公司 | Method and device for assisting children in adapting to nuclear magnetic resonance examination |
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