Infant magnetic resonance examination sedation auxiliary device

Abstract

The invention relates to the field of medical treatment, in particular to an infant magnetic resonance examination sedation assisting device which comprises a split type air bag, the bottom of the split type air bag is fixedly connected with a bottom plate matched with a medical bed, the split type air bag is inflated through a flow dividing mechanism, and the flow dividing mechanism is fixedly connected with an air inlet mechanism and an adjusting mechanism. Binding hook-and-loop fasteners are fixedly connected to the interiors of the split type air bags, and binding mechanisms are fixedly connected to the two sides of the exteriors of the split type air bags. The binding mechanism comprises a fixed assembly and a movable assembly, the fixed assembly comprises inner grooves formed in the two sides of the split type air bag, according to the technical scheme, the air bag formed by combining a plurality of sub-air bags is adopted for wrapping a baby, the single air bag can be adjusted according to the shape of the baby, the attaching degree of the air bag and the baby is higher, and therefore the baby can be more comfortable. The baby is prevented from twisting in the examination process, and the detection success rate is increased.

Description

Technical Field

[0001] The invention relates to the medical field, in particular to a sedation auxiliary device for infant magnetic resonance examination. Background Art

[0002] Infants usually need to stay asleep during MRI examinations to avoid crying and other non-cooperative behaviors. In clinical practice, the mother usually holds the baby and soothes him / her to sleep. After the baby falls asleep, the baby is transferred to the MRI device for imaging examination. However, infants are usually more sensitive, and when they leave their mothers, they can easily wake up due to the touch of the limbs, and they need to be repeatedly soothed by the mother. The time limit for MRI examinations is generally between 10 and 40 minutes. If the baby wakes up during the examination, it will affect the examination results.

[0003] Existing infant MRI sedation is mostly performed by injecting sedatives, but some infants are more sensitive and cannot be sedated with drugs;

[0004] Existing infant restraint devices generally use an integrated inflatable bag. The gap between the infant and the inflatable bag cannot be adjusted in time, resulting in poor fit between the airbag and the infant. The infant cannot be completely restrained during testing, and it is difficult to avoid the infant's hands and feet from crossing. Excessive inflation pressure can easily injure the infant. When fixing the straps, the existing infant restraint devices cannot adjust the position of the straps according to the infant's body shape. Therefore, we designed a sedation auxiliary device for infant magnetic resonance imaging. Summary of the invention

[0005] In view of the problem in the prior art that the fit between the infant and the airbag is poor when the infant magnetic resonance examination sedation assisting device is restrained, the present invention is proposed.

[0006] Therefore, an object of the present invention is to provide a sedation auxiliary device for infant magnetic resonance examination.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a sedation auxiliary device for infant magnetic resonance examination, comprising a split airbag, wherein the bottom of the split airbag is fixedly connected to a bottom plate adapted to a medical bed, the split airbag is inflated through a diversion mechanism, an air intake mechanism and an adjustment mechanism are fixedly connected to the diversion mechanism, a binding Velcro is fixedly connected to the inside of the split airbag, and both sides of the outside of the split airbag are fixedly connected to a restraining mechanism; the restraining mechanism comprises a fixed component and a movable component, the fixed component comprises an inner groove opened on both sides of the split airbag, a fixing frame is fixedly connected to the outer wall of the split airbag corresponding to the inner groove, a clamping block is fixedly connected to the top of the fixing frame through an elastic plate, and an inclined surface and a corrugated strip are respectively provided on the inner and outer sides of the clamping block; the movable component comprises a hook body slidably connected to the inside of the fixing frame, the hook body is provided with an extrusion surface corresponding to the inclined surface, and a strap is fixedly connected to the top of the hook body.

[0008] As a preferred solution of the infant MRI examination sedation auxiliary device of the present invention, the buckle of the strap is made of plastic material, the two sets of restraint mechanisms located on both sides of the split airbag correspond to each other, the elastic plate is a rubber plate, and the corrugated strip is in contact with the hook body.

[0009] As a preferred solution of the infant MRI sedation auxiliary device of the present invention, the split airbag includes a bottom main airbag installed on the bottom plate, and a plurality of sub-airbag monomers located on both sides of the bottom main airbag.

[0010] As a preferred embodiment of the sedation auxiliary device for infant magnetic resonance examination of the present invention, the diversion mechanism includes a diversion box fixedly connected to the bottom main airbag, and a plurality of air guide boxes and arc-shaped sealing plates are fixedly connected to the diversion box. The plurality of air guide boxes are connected to the plurality of sub-airbags in the split airbag through connecting pipes, and the plurality of air guide boxes and arc-shaped sealing plates are distributed in a ring shape at the bottom of the diversion box.

[0011] As a preferred embodiment of the sedation auxiliary device for infant magnetic resonance examination of the present invention, the air intake mechanism includes a sealing component, an air intake component and a one-way component. The sealing component includes a middle box located inside the diversion box, a fixing ring is provided on the inner wall of the middle box, the outer wall of the fixing ring is connected to the inside of the air guide box through a bottom hole, the top of the fixing ring is connected to the middle box through a connecting rod, a first air bag is attached to the bottom of the middle box, and the first air bag is fixedly connected to the inner wall of the diversion box; the air intake component includes an air discharge groove located in the middle of the middle box, a sealing plate is attached to the inner wall of the air discharge groove, the sealing plate and the diversion box are connected by an elastic rope, and the diversion box is fixedly connected to the bottom of the sealing plate corresponding to the one-way component; the one-way component includes a discharge groove opened on the side wall of the middle box, and a top hole is opened in the air guide box corresponding to the discharge groove.

[0012] As a preferred solution of the infant magnetic resonance examination sedation auxiliary device of the present invention, the blocking plate is fitted with the air discharge groove, the cross-section of the blocking plate is "T"-shaped, the blocking plate is made of rubber, the number of the discharge groove is one, and the number of the top holes is multiple.

[0013] As a preferred embodiment of the sedation auxiliary device for infant magnetic resonance examination of the present invention, the adjustment mechanism includes a docking component and a built-in component, the docking component includes a rectangular tube fixedly connected to the top of the middle box, a circular ring is attached to the outer wall of the rectangular tube, the circular ring is rotatably connected to the top of the diversion box, an air intake joint is slidably connected to the outside of the rectangular tube, an external air intake pipe is fixedly connected to the top of the air intake joint, and an extrusion rod is fixedly connected to the bottom of the air intake joint.

[0014] As a preferred embodiment of the infant MRI sedation auxiliary device of the present invention, the rectangular tube is slidably connected to the circular ring, the bottom of the circular ring fits with the top of the middle box, the cross-section of the middle box is circular, and the cross-section of the rectangular tube is arranged with an inner circle and an outer square.

[0015] As a preferred solution of the infant magnetic resonance examination sedation auxiliary device of the present invention, the built-in component includes a bracket located on the inner wall of a rectangular tube, a cylinder and a second airbag are fixedly connected to the top of the bracket, a float cover is attached to the top of the second airbag, a float groove corresponding to the float cover is opened on the inner wall of the rectangular tube, and a plurality of limit plates are fixedly connected to the top of the float cover.

[0016] As a preferred solution of the infant magnetic resonance examination sedation auxiliary device of the present invention, the top edges of the float cover and the float groove are both inclined, the outer wall of the float cover is in contact with the inner wall of the float groove, and the limit plate is slidably connected to the inner wall of the rectangular tube.

[0017] The beneficial effects of the infant magnetic resonance examination sedation assisting device of the present invention: the technical solution uses an airbag composed of multiple split airbags to wrap the infant, and a single airbag can be adjusted according to the infant's shape to make the airbag fit the infant more closely, avoiding the infant from twisting during the examination and improving the success rate of the examination. The restraint mechanism can be set to adjust the restraint position according to the infant's body shape and the position of the infant inside the split airbag, avoiding clamping the infant's face while emphasizing restraining the infant's torso. The binding Velcro in the device can effectively restrain the infant's hands and feet, avoiding the situation where the infant's hands and feet are crossed when examining the infant's limbs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the sedation assistance device for infant magnetic resonance imaging.

[0020] Figure 2 Cross-sectional view of a sedation aid for an infant magnetic resonance imaging examination.

[0021] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0022] Figure 4 Schematic diagram of the shunt mechanism for the sedation assist device for infant MRI examination.

[0023] Figure 5 Schematic diagram of the adjustment mechanism of the sedation assist device for infant magnetic resonance imaging.

[0024] Figure 6 This is a schematic diagram of the internal structure of the air intake mechanism and the adjustment mechanism of the sedation assist device for infant magnetic resonance imaging.

[0025] Figure 7 Schematic diagram of the exploded view of the adjustment mechanism of the sedation assist device for infant MRI examination.

[0026] Figure 8 An exploded view of the components inside a sedation aid for infant MRI examinations.

[0027] Fig. 9 Cross-sectional view of the air intake mechanism of the sedation assist device for infant MRI examinations.

[0028] Fig.10 for Fig. 9 Enlarged view of point B in the middle.

[0029] In the figure: 1, split airbag; 10, bottom plate; 11, bottom main airbag; 12, split airbag; 2, diversion mechanism; 20, diversion box; 21, air guide box; 22, arc sealing plate; 23, pipe; 3, air intake mechanism; 30, blocking assembly; 31, air intake assembly; 32, one-way air intake assembly; 300, middle box; 301, fixing ring; 302, bottom hole; 303, connecting rod; 304, first airbag; 310, air release groove; 311, blocking plate; 312, elastic rope; 313, support column; 320, discharge groove; 321, top hole; 4, adjustment mechanism; 40. Docking assembly; 41. Built-in assembly; 400. Rectangular tube; 401. Ring; 402. Inlet connector; 403. External inlet pipe; 404. Extrusion rod; 410. Bracket; 411. Cylinder; 412. Second airbag; 413. Floating cover; 414. Floating groove; 415. Limiting plate; 5. Restraining mechanism; 50. Fixed assembly; 51. Moving assembly; 500. Inner groove; 501. Fixed frame; 502. Elastic plate; 503. Snap-in block; 504. Inclined surface; 505. Corrugated strip; 510. Hook body; 511. Extrusion surface; 512. Strap. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0031] Example 1, reference Figure 1 to Figure 4 , which is the first embodiment of the present invention, provides a sedation assisting device for infant magnetic resonance examination, which can achieve the effect of adjusting the gap of the strap 512 according to the body shape of the infant. The sedation assisting device for infant magnetic resonance examination includes a split airbag 1, the bottom of the split airbag 1 is fixedly connected with a bottom plate 10 adapted to the medical bed, the split airbag 1 is inflated through a diversion mechanism 2, the diversion mechanism 2 is fixedly connected with an air intake mechanism 3 and an adjustment mechanism 4, the adjustment mechanism 4 is located at the rear end of the split airbag 1, the split airbag 1 is fixedly connected with a binding Velcro inside, the setting of the binding Velcro can bind the baby's hands and feet when the baby's hands and feet are tested, and avoid the hands and feet from crossing and affecting the test, and the two sides of the split airbag 1 are fixedly connected with the binding mechanism 5; the split airbag 1 includes a bottom main airbag 11 installed on the bottom plate 10, and a plurality of sub-airbags 12 monomers located on both sides of the bottom main airbag 11;

[0032] Among them, the setting of the split airbag 1 adopts the setting of a combination of multiple sub-airbags 12, and a single airbag can be adjusted according to the shape of the baby, so that the split airbag 1 can fit the baby more closely and avoid twisting of the baby during the examination. The setting of the bottom plate 10 can stably place the device on the medical bed to avoid affecting the stability of the split airbag 1 due to the arc-shaped bottom after the split airbag 1 is inflated. The setting of the diversion mechanism 2 can inflate the sub-airbag 12 as needed, and can also inflate multiple sub-airbags 12 at the same time as needed. The setting of the restraint mechanism 5 can adjust the restraint gap according to the body shape and shape of the baby. When dealing with babies under 1 year old or with a shorter stature, only the front end part of the device is used for restraint. When dealing with babies with a longer stature, the entire part of the split airbag 1 is used for restraint.

[0033] The restraining mechanism 5 includes a fixed component 50 and a movable component 51. The fixed component 50 includes an inner groove 500 opened on both sides of the split airbag 1. The outer wall of the split airbag 1 is fixedly connected with a fixed frame 501 corresponding to the inner groove 500. The top of the fixed frame 501 is fixedly connected with a clamping block 503 through an elastic plate 502. The inner and outer sides of the clamping block 503 are respectively provided with an inclined surface 504 and a corrugated strip 505. The movable component 51 includes a hook body 510 slidably connected to the inside of the fixed frame 501. The hook body 510 is provided with an extrusion surface 511 corresponding to the inclined surface 504. The top of the hook body 510 is fixedly connected with a strap 512.

[0034] Specifically, the setting of the inner groove 500 can effectively reduce the thickness of the sub-airbag 12, thereby improving the deformation ability of the inner groove 500, making its deformation faster than that of other positions of the sub-airbag 12, and facilitating the hook body 510 to move toward the elastic plate 502, thereby improving the fixing effect of the hook body 510. The fixing frame 501 is arranged in a long strip shape, and the fixing frame 501 is fixedly connected to the elastic plate 502. The cross section of the elastic plate 502 is arc-shaped. The setting of the clamping block 503 can be used to fix the hook body 510 Limiting, the setting of the inclined surface 504 can be adapted to the extrusion surface 511 on the hook body 510. When the hook body 510 rises, the extrusion surface 511 rises, driving the clamping block 503 to move toward the hook body 510, thereby improving the fixing effect of the hook body 510. The buckle of the strap 512 is made of plastic material. The two sets of restraint mechanisms 5 located on both sides of the split airbag 1 correspond to each other. The elastic plate 502 is a rubber plate. The corrugated strip 505 fits the hook body 510, and the strap 512 is woven from elastic fibers.

[0035] During operation, the hook bodies 510 and the straps 512 on both sides of the split airbag 1 are moved to the required positions and locked one by one. At this time, the straps 512 drive the hook body 510 to move upward. During the upward movement of the hook body 510, the extrusion surface 511 is driven to squeeze the inclined surface 504. After the inclined surface 504 is squeezed, it drives the clamping block 503 to move toward the hook body 510, so that the corrugated strip 505 is tightly fitted with the hook body 510. At this time, the hook body 510 can be fixed.

[0036] In summary, the setting of the split airbag 1 adopts a combination of multiple sub-airbags 12. A single sub-airbag 12 can be adjusted according to the baby's shape, so that the sub-airbag 12 is more closely attached to the baby, avoiding twisting of the baby during the examination and improving the success rate of detection. The restraint mechanism 5 can be set to adjust the restraint position according to the baby's body shape and the baby's position inside the split airbag 1, so as to avoid clamping the baby's face while emphasizing the restraint of the baby's torso.

[0037] Example 2, reference Figures 1 to 10 , which is the second embodiment of the present invention. Different from the previous embodiment, this embodiment provides a split airbag 1 and an air intake mechanism 3 of an infant MRI sedation assisting device, which solves the problem of infant MRI sedation assisting restraining the infant. The split airbag 1 includes a bottom main airbag 11 installed on a bottom plate 10, and a plurality of sub-airbags 12 monomers located on both sides of the bottom main airbag 11. The diversion mechanism 2 includes a diversion box 20 fixedly connected to the bottom main airbag 11, and a plurality of air guide boxes 21 and an arc-shaped sealing plate 22 are fixedly connected to the diversion box 20. The plurality of air guide boxes 21 are connected to the plurality of sub-airbags 12 in the split airbag 1 through a connecting pipe 23. The plurality of air guide boxes 21 and the arc-shaped sealing plate 22 are distributed in a ring shape at the bottom of the diversion box 20.

[0038] Specifically, the main airbag 11 at the bottom is mainly used to support the baby's body so that the body can be wrapped by the sub-airbag 12, thereby improving the restraint effect of the baby. The diverter box 20 can adjust the air intake and exhaust of the single sub-airbag 12, thereby improving the fit between the baby and the sub-airbag 12. The arc-shaped sealing plate 22 is made of rubber, and the connecting pipe 23 is made of rubber. The connecting pipe 23 can inflate and deflate the sub-airbag 12.

[0039] The air intake mechanism 3 includes a blocking component 30, an air intake component 31, and a one-way component 32. The blocking component 30 includes a middle box 300 located inside the shunt box 20. A fixing ring 301 is provided on the inner wall of the middle box 300. The outer wall of the fixing ring 301 is connected to the inside of the air guide box 21 through a bottom hole 302. The top of the fixing ring 301 is connected to the middle box 300 through a connecting rod 303. A first air bag 304 is attached to the bottom of the middle box 300. The first air bag 304 is fixedly connected to the inner wall of the shunt box 20.

[0040] Furthermore, the setting of the blocking component 30 can connect all the air guide boxes 21, and connect with the middle box 300 through the bottom hole 302. When air is taken in, all the single airbags 12 can be inflated and deflated at the same time. It is suitable for the initial stage and the exhaust stage of the inflation of the split airbag 1. When the middle box 300 is at the top, the adjusting mechanism 4 is rotated.

[0041] The air intake assembly 31 includes an air discharge groove 310 located in the middle of the middle box 300, and a blocking plate 311 is attached to the inner wall of the air discharge groove 310. The blocking plate 311 is connected to the diverter box 20 through an elastic rope 312, and a support column 313 is fixedly connected to the bottom of the blocking plate 311 of the diverter box 20; the one-way assembly 32 includes a discharge groove 320 opened on the side wall of the middle box 300, and a top hole 321 is opened in the air guide box 21 corresponding to the discharge groove 320. The blocking plate 311 is attached to the air discharge groove 310, and the cross section of the blocking plate 311 is "T" shaped. The blocking plate 311 is made of rubber, and the number of the discharge groove 320 is one, and the number of the top holes 321 is multiple.

[0042] Among them, after the adjustment mechanism 4 rotates, it drives the discharge groove 320 on the middle box 300 to rotate. During rotation, the discharge groove 320 is aligned with the air guide box 21 that needs to be inflated, so that the discharge groove 320 and the top hole 321 overlap, and the gas in the middle box 300 can be introduced into the corresponding air guide box 21. The gas entering the air guide box 21 can enter the corresponding single air bag 12 through the connecting pipe 23. The setting of the elastic rope 312 can make the sealing plate 311 fit with the inner wall of the air discharge groove 310. All air guide boxes 21 are provided with a top hole 321 on the top, and there is only one discharge groove 320 on one side of the middle box 300. When the discharge groove 320 and the top hole 321 are adapted, the single air bag 12 can be inflated.

[0043] The rest of the structure is the same as that of Example 1.

[0044] In summary, the setting of the bottom main airbag 11 mainly plays the role of supporting the baby's body so that the body can be wrapped by the sub-airbag 12, thereby improving the restraint effect of the baby. The setting of the diverter box 20 can adjust the air intake and exhaust of the single sub-airbag 12, thereby improving the fit between the baby and the sub-airbag 12.

[0045] Example 3, reference Figures 1 to 10, which is the third embodiment of the present invention. Different from the previous embodiment, this embodiment provides an adjustment mechanism 4 of the infant magnetic resonance examination sedation auxiliary device, which solves the problem of adjusting the gap between the infant and the split airbag 1. The adjustment mechanism 4 includes a docking component 40 and a built-in component 41. The docking component 40 includes a rectangular tube 400 fixedly connected to the top of the middle box 300. The outer wall of the rectangular tube 400 is fitted with a ring 401. The ring 401 is rotatably connected to the top of the diverter box 20. The outer surface of the rectangular tube 400 is slidably connected to an air intake joint 402. The top of the air intake joint 402 is fixedly connected to an external air intake pipe 403. The bottom of the air intake joint 402 is fixedly connected to an extrusion rod 404. The rectangular tube 400 is slidably connected to the ring 401. The bottom of the ring 401 is fitted with the top of the middle box 300. The cross section of the middle box 300 is circular, and the cross section of the rectangular tube 400 is set to be circular inside and square outside.

[0046] Among them, the setting of the docking component 40 can connect the external air pump with the split airbag 1. The air pump is a prior art and will not be elaborated here. A single split airbag 12 can be inflated as needed. The setting of the built-in component 41 can prevent the gas inside the split airbag 1 from being discharged, and plays a role of one-way flow limiting. The setting of the ring 401 can vertically limit the rectangular tube 400. The setting of the air inlet connector 402 can generate a torsional force on the rectangular tube 400, and at the same time can generate downward pressure on the rectangular tube 400. The setting of the extrusion rod 404 can drive the built-in component 41 to move downward, thereby guiding the gas inside the air inlet connector 402 to the built-in component 41.

[0047] The built-in component 41 includes a bracket 410 located on the inner wall of the rectangular tube 400, a cylinder 411 and a second airbag 412 are fixedly connected to the top of the bracket 410, a floating cover 413 is attached to the top of the second airbag 412, a floating groove 414 corresponding to the floating cover 413 is opened on the inner wall of the rectangular tube 400, and a plurality of limiting pieces 415 are fixedly connected to the top of the floating cover 413. The top edges of the floating cover 413 and the floating groove 414 are both inclined, the outer wall of the floating cover 413 is attached to the inner wall of the floating groove 414, and the limiting piece 415 is slidably connected to the inner wall of the rectangular tube 400.

[0048] Furthermore, the setting of the bracket 410 can limit the second airbag 412, and the setting of the extrusion rod 404 can drive the float cover 413 to descend. During the descent of the float cover 413, it is resisted by the cylinder 411, so that the float cover 413 is located in the middle of the float groove 414, and the gas at the air inlet joint 402 enters the middle box 300 through the float groove 414. The setting of the limiting plate 415 can limit the float cover 413 to prevent the float cover 413 from shifting during the movement.

[0049] The rest of the structure is the same as that of Example 2.

[0050] During operation, the air inlet connector 402 is connected to the external air pump and inserted into the rectangular tube 400 in the regulating mechanism 4. At this time, the squeezing rod 404 on the air inlet connector 402 squeezes the floating cover 413 to descend, and the gas in the air inlet connector 402 enters the middle box 300 through the rectangular tube 400. At this time, the air inlet connector 402 is continued to be pressed down, and the descent of the air inlet connector 402 drives the middle box 300 to descend, and the descent of the middle box 300 drives the support column 313 to resist the blocking plate 311, so that the blocking plate 311 rises, and the interior of the middle box 300 is connected with the bottom, and the descent of the middle box 300 drives the fixing ring 301 to be released. The bottom hole 302 is separated from the bottom hole 302, so that all the air guide boxes 21 are connected with the middle box 300. At this time, the gas in the air inlet joint 402 enters all the sub-airbags 12 through the middle box 300, the bottom hole 302, the air guide box 21, and the connecting pipe 23. At this time, all the sub-airbags 12 can be inflated. When the inflation is 70% to 80%, the inflation is stopped. At this time, the baby is placed inside the split airbag 1, and the restraint mechanism 5 is moved to simply fix the baby. At this time, it is not appropriate to lock the strap 512. The gas volume of the sub-airbags 12 is adjusted one by one according to the baby's shape to improve the fit between the baby and each sub-airbag 12.

[0051] In summary, the setting of the docking component 40 can connect the external inflation pump with the split airbag 1, and can inflate a single or multiple split airbags 12 as needed. The setting of the built-in component 41 can prevent the gas inside the split airbag 1 from being discharged, thereby playing a role of one-way flow limiting.

[0052] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A sedation assisting device for infant magnetic resonance examination, characterized in that: The invention comprises a split airbag (1), wherein the bottom of the split airbag (1) is fixedly connected to a bottom plate (10) adapted to a medical bed, the split airbag (1) is inflated through a diversion mechanism (2), an air intake mechanism (3) and an adjustment mechanism (4) are fixedly connected to the diversion mechanism (2), a binding Velcro is fixedly connected inside the split airbag (1), and both sides of the outside of the split airbag (1) are fixedly connected to a restraining mechanism (5); The restraining mechanism (5) comprises a fixed component (50) and a movable component (51), the fixed component (50) comprising inner grooves (500) provided on both sides of the split airbag (1), a fixed frame (501) being fixedly connected to the outer wall of the split airbag (1) corresponding to the inner groove (500), a clamping block (503) being fixedly connected to the top of the fixed frame (501) via an elastic plate (502), and an inclined surface (504) and a corrugated strip (505) being respectively provided on the inner and outer sides of the clamping block (503); The moving assembly (51) comprises a hook body (510) slidably connected to the interior of the fixing frame (501); the hook body (510) is provided with an extrusion surface (511) corresponding to the inclined surface (504); and a binding belt (512) is fixedly connected to the top of the hook body (510).

2. The infant MRI sedation assisting device according to claim 1, characterized in that: The buckle of the binding strap (512) is made of plastic material, the two sets of binding mechanisms (5) located on both sides of the split airbag (1) correspond to each other, the elastic plate (502) is a rubber plate, and the corrugated strip (505) is in contact with the hook body (510).

3. The infant MRI sedation assisting device according to claim 1, characterized in that: The split airbag (1) comprises a bottom main airbag (11) mounted on a bottom plate (10), and a plurality of sub-airbag (12) monomers located on both sides of the bottom main airbag (11).

4. The infant MRI sedation assisting device according to claim 3, characterized in that: The diversion mechanism (2) comprises a diversion box (20) fixedly connected to the bottom main airbag (11); a plurality of air guide boxes (21) and arc-shaped sealing plates (22) are fixedly connected to the diversion box (20); the plurality of air guide boxes (21) are connected to the plurality of sub-airbags (12) in the split airbag (1) via a connecting pipe (23); the plurality of air guide boxes (21) and arc-shaped sealing plates (22) are distributed in a ring shape at the bottom of the diversion box (20).

5. The infant sedation assisting device for magnetic resonance imaging according to claim 4, characterized in that: The air intake mechanism (3) comprises a blocking component (30), an air intake component (31), and a one-way component (32); the blocking component (30) comprises a middle box (300) located inside the diverter box (20); a fixing ring (301) is provided on the inner wall of the middle box (300); the outer wall of the fixing ring (301) is connected to the inside of the air guide box (21) via a bottom hole (302); the top of the fixing ring (301) is connected to the middle box (300) via a connecting rod (303); a first air bag (304) is attached to the bottom of the middle box (300); and the first air bag (304) is fixedly connected to the inner wall of the diverter box (20); The air intake assembly (31) comprises an air discharge groove (310) located in the middle of the middle box (300); a blocking plate (311) is attached to the inner wall of the air discharge groove (310); the blocking plate (311) is connected to the diversion box (20) via an elastic rope (312); and a support column (313) is fixedly connected to the bottom of the diversion box (20) corresponding to the blocking plate (311); The one-way component (32) comprises a discharge groove (320) formed on the side wall of the middle box (300), and the air guide box (21) is provided with a top hole (321) corresponding to the discharge groove (320).

6. The infant MRI sedation assisting device according to claim 5, characterized in that: The blocking plate (311) is fitted with the air discharge groove (310), the cross section of the blocking plate (311) is T-shaped, the blocking plate (311) is made of rubber material, the number of the discharge groove (320) is one, and the number of the top holes (321) is multiple.

7. The infant sedation assisting device for magnetic resonance imaging according to claim 5, characterized in that: The regulating mechanism (4) comprises a docking component (40) and a built-in component (41), wherein the docking component (40) comprises a rectangular tube (400) fixedly connected to the top of the middle box (300), a circular ring (401) is fitted on the outer wall of the rectangular tube (400), the circular ring (401) is rotatably connected to the top of the diverter box (20), an air intake joint (402) is slidably connected to the outside of the rectangular tube (400), an external air intake pipe (403) is fixedly connected to the top of the air intake joint (402), and an extrusion rod (404) is fixedly connected to the bottom of the air intake joint (402).

8. The infant sedation assisting device for magnetic resonance imaging according to claim 7, characterized in that: The rectangular tube (400) is slidably connected to the circular ring (401), the bottom of the circular ring (401) is in contact with the top of the middle box (300), the cross section of the middle box (300) is circular, and the cross section of the rectangular tube (400) is arranged with an inner circle and an outer square.

9. The infant sedation assisting device for magnetic resonance imaging according to claim 8, characterized in that: The built-in component (41) comprises a bracket (410) located on the inner wall of the rectangular tube (400); a cylinder (411) and a second airbag (412) are fixedly connected to the top of the bracket (410); a floating cover (413) is attached to the top of the second airbag (412); a floating groove (414) corresponding to the floating cover (413) is opened on the inner wall of the rectangular tube (400); and a plurality of limiting plates (415) are fixedly connected to the top of the floating cover (413).

10. The infant sedation assisting device for magnetic resonance imaging according to claim 9, characterized in that: The top edges of the floating cover (413) and the floating groove (414) are both inclined, the outer wall of the floating cover (413) is in contact with the inner wall of the floating groove (414), and the limiting piece (415) is slidably connected to the inner wall of the rectangular tube (400).

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