Newborn radiography auxiliary fixing device

Abstract

The invention relates to the technical field of medical instruments, in particular to a newborn radiography auxiliary fixing device which comprises a transparent barrel and a bandage, one end of the bandage is fixedly connected to the inner wall of the transparent barrel, a first air bag is arranged on the bandage, a placing opening is formed in the side, opposite to the first air bag, of the transparent barrel, and a connecting shell is fixedly connected to the outer wall of one side of the transparent barrel; a bearing seat is arranged at the bottom end of an inner cavity of the transparent barrel in an up-down sliding mode, and a lifting spring is fixedly connected between the bottom end of the bearing seat and the transparent barrel. According to the newborn radiography auxiliary fixing device, through the arrangement of the automatic binding mechanism, the newborn can be automatically bound through the weight of the newborn, the manual working steps are reduced, the first air bag plays a role in buffering, and through the arrangement of the stabilizing mechanism, on the premise that automatic binding and time delay can be achieved, the newborn can be effectively fixed. And through the arrangement of the catheter pressing mechanism, the catheter of the newborn can be flexibly clamped through gas in the first air bag.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and specifically relates to a neonatal radiography auxiliary fixing device. Background Art

[0002] Newborns have low resistance and are prone to diseases. Sometimes, routine examinations are not sufficient to diagnose the diseases of newborns. Therefore, radiography examinations such as chest X-rays are also required for newborns. However, since newborns cannot follow the guidance to take radiographs in a specific posture, a special fixing device for newborns is needed to restrict the activities of newborns.

[0003] However, in the prior art, it is usually necessary to fix newborns using electricity or manually, which will result in high costs or cumbersome steps. And some newborns need respiratory support, so they will carry a catheter on their heads for radiography examinations. The catheter may affect the radiography examination. Moreover, if the catheter is fixed manually, the fixing time will be prolonged, thereby reducing the efficiency of the examination. Summary of the Invention

[0004] In order to solve the above problems, the present invention provides a neonatal radiography auxiliary fixing device.

[0005] The present invention adopts the following technical solutions. A neonatal radiography auxiliary fixing device includes a transparent barrel and a binding strap. One end of the binding strap is fixedly connected to the inner wall of the transparent barrel. An airbag I is provided on the binding strap. A placement opening is formed on the transparent barrel on the opposite side of the airbag I. A connecting shell is fixedly connected to the outer wall of one side of the transparent barrel. A bearing seat is slidably arranged up and down at the bottom end of the inner cavity of the transparent barrel. A lifting spring is fixedly connected between the bottom end of the bearing seat and the transparent barrel. The device further includes:

[0006] An automatic binding mechanism for automatically binding the binding strap after the newborn is placed. The automatic binding mechanism is arranged in the connecting shell;

[0007] A stabilizing mechanism that can prevent the lifting spring from causing an impact on the newborn after fatigue fracture. The stabilizing mechanism is arranged in the automatic binding mechanism;

[0008] And a catheter pressing mechanism for automatically clamping the catheter of the newborn. The catheter pressing mechanism is arranged in the placement opening.

[0009] As a further description of the above technical solution: The automatic binding mechanism includes a connecting shell. A rotating shaft I is rotatably arranged in the connecting shell. A pulling rope is wound around the outer wall of the rotating shaft I. The other end of the pulling rope is fixedly connected to the bottom end of the bearing seat. A torsion spring is fixedly connected between one end outer wall of the rotating shaft I and the connecting shell. A bevel gear is fixedly connected to the other end of the rotating shaft I. Another bevel gear is meshed and connected above the bevel gear. A rotating shaft III is fixedly connected to the upper end of the other bevel gear. A rotating shaft II is arranged above the rotating shaft III. The rotating shaft II is rotatably arranged in the connecting shell. The binding strap is wound around the rotating shaft II.

[0010] As a further description of the above technical solution: The stabilizing mechanism includes an engagement ring fixedly connected to the bottom end of the second rotating shaft. A fixed shell is movably sleeved on the outer side of the engagement ring, and the fixed shell is fixedly connected to the engagement shell. A cavity is formed between the engagement ring and the fixed shell, and a non-Newtonian fluid is placed in the cavity. The outer wall of the engagement ring is provided with a protruding portion, and the protruding portion is movably arranged in the cavity. A connecting rotating block is fixedly connected to the outer wall of the third rotating shaft, and a return spring is fixedly connected between the connecting rotating block and the engagement ring. The connecting rotating block is movably arranged inside the engagement ring.

[0011] As a further description of the above technical solution: The pressure tube mechanism includes an air guide groove opened in the transparent barrel. One end of the air guide groove communicates with a rotating groove, and the rotating groove is opened in the transparent barrel. The other end of the air guide groove communicates with the first airbag. A rotating plate is movably arranged in the rotating groove. A threaded rod is fixedly connected to the rotating plate, and the upper outer wall of the threaded rod is threadedly connected with a threaded block. The threaded block slides up and down in the transparent barrel. A rotating frame is arranged above the threaded block, and the rotating frame is rotatably arranged in the placing opening. The rotating frame is fixedly connected to the top end of the threaded rod. A second airbag is bonded inside the rotating frame. The lower side of the second airbag abuts against a lifting block. The lifting block is inserted up and down at the bottom end of the rotating frame. The bottom end of the lifting block extends to the lower side of the rotating frame, and the bottom end of the lifting block abuts against the threaded block.

[0012] As a further description of the above technical solution: The transparent barrel is made of transparent acrylic plate, and the binding strap is made of a material that can be penetrated by X-rays.

[0013] As a further description of the above technical solution: A plurality of connected first airbags are arranged along the length direction of the binding strap.

[0014] As a further description of the above technical solution: A section of the binding strap close to the second rotating shaft is a smooth surface.

[0015] As a further description of the above technical solution: A rubber pad is bonded to the end of the rotating plate away from the threaded rod, and the rubber pad abuts against the transparent barrel. There are two rotating frames, and the two rotating frames are symmetrically arranged in the placing opening. When the air guide groove is ventilated, both rotating plates rotate towards the binding strap.

[0016] The present invention provides a neonatal radiography auxiliary fixing device through improvement. Compared with the prior art, it has the following improvements and advantages:

[0017] First: When the newborn is completely moved to the lowermost side in the transparent barrel, the speed of the newborn will decrease. At this time, the non-Newtonian fluid will become soft, and the reset spring will extend. As a result, the reset spring will drive the connecting ring to rotate slowly, and then the strap will be slowly wound up, and the strap will tie the newborn tightly. The stabilizing mechanism plays a role in delaying. When the strap is tightened, the airbag 1 will play a buffering role to prevent the strap from being tied too tightly and causing harm to the newborn. After taking the X-ray, slowly pick up the newborn, and the strap can be loosened;

[0018] Second: The second rotating shaft will not rotate quickly when the lifting spring breaks. Therefore, it can ensure that when it breaks, the strap can still tie the newborn tightly, thereby preventing the newborn from shaking violently when it breaks. Moreover, the newborn can only move slowly. Through the setting of the stabilizing mechanism, on the premise of being able to automatically bind and delay, the safety of the device is improved;

[0019] Third: The airbags 2 on both sides will flexibly clamp the catheter. At the same time, the rotation of the threaded rod can drive the rotating frame and the airbag 2 to rotate towards the newborn. As a result, while the airbag 2 flexibly clamps the catheter of the newborn, it can also extend the catheter towards the newborn, making the length of the catheter between the clamping position and the newborn longer, preventing the head of the newborn from twisting during X-ray filming, resulting in the catheter being dragged and falling off, which will have an impact on the newborn;

[0020] In summary, through the setting of the automatic binding mechanism, the newborn can be automatically tied tightly by the weight of the newborn, reducing the manual work steps. And the airbag 1 will play a buffering role. Through the setting of the stabilizing mechanism, on the premise of being able to automatically bind and delay, the safety of the device is improved. Through the setting of the tube pressing mechanism, after the airbag 1 is close to the newborn, the gas in the airbag 1 can flexibly clamp the catheter of the newborn, and at the same time, the catheter can be extended towards the newborn, preventing the head of the newborn from twisting during X-ray filming, resulting in the catheter being dragged and falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The following will further explain the present invention in conjunction with the drawings and embodiments:

[0022] Figure 1 is a schematic structural view of a neonatal X-ray filming auxiliary fixing device provided by an embodiment of the present invention Figure 1 ;

[0023] Figure 2 is a schematic structural view of a neonatal X-ray filming auxiliary fixing device provided by an embodiment of the present invention Figure 2 ;

[0024] Figure 3 is a longitudinal sectional view of the transparent barrel provided by an embodiment of the present invention;

[0025] Figure 4Schematic structural diagram of the automatic binding mechanism provided by the embodiment of the present invention;

[0026] Figure 5 Stereoscopic cross-sectional view of the connecting ring provided by the embodiment of the present invention;

[0027] Figure 6 Transverse cross-sectional view of the transparent barrel provided by the embodiment of the present invention;

[0028] Figure 7 Schematic structural diagram of the pipe pressing mechanism provided by the embodiment of the present invention;

[0029] Figure 8 Stereoscopic cross-sectional view of the rotating frame provided by the embodiment of the present invention;

[0030] Figure 9 It is Figure 3 The enlarged view of part A in;

[0031] Figure 10 It is Figure 6 The enlarged view of part B in.

[0032] In the figure: 1, transparent barrel; 2, binding band; 3, airbag one; 4, automatic binding mechanism; 41, connecting shell; 42, pull rope; 43, rotating shaft one; 44, bevel gear; 45, rotating shaft two; 46, torsion spring; 47, rotating shaft three; 5, placement opening; 6, pipe pressing mechanism; 61, rotating frame; 62, airbag two; 63, lifting block; 64, threaded block; 65, threaded rod; 66, rotating plate; 67, air guide groove; 68, rotating groove; 7, stabilizing mechanism; 71, connecting ring; 72, fixed shell; 73, cavity; 74, return spring; 75, connecting rotating block; 8, bearing seat; 9, lifting spring. Detailed implementation manners

[0033] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below with reference to specific illustrations. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other.

[0034] Please refer to Figure 1 - Figure 10 , the embodiment of the present invention provides a technical solution: a neonatal radiography auxiliary fixing device, including a transparent barrel 1 and a binding band 2. One end of the binding band 2 is fixedly connected to the inner wall of the transparent barrel 1. An airbag one 3 is arranged on the binding band 2. A placement opening 5 is opened on the transparent barrel 1 on the opposite side of the airbag one 3. A connecting shell 41 is fixedly connected to the outer wall of one side of the transparent barrel 1. A bearing seat 8 is slidably arranged up and down at the bottom end of the inner cavity of the transparent barrel 1. A lifting spring 9 is fixedly connected between the bottom end of the bearing seat 8 and the transparent barrel 1. It further includes:

[0035] An automatic binding mechanism 4 is used to automatically bind the strap 2 after the newborn is laid down. The automatic binding mechanism 4 is arranged inside the connecting shell 41;

[0036] A stabilizing mechanism 7 can prevent the lifting spring 9 from causing an impact on the newborn after fatigue fracture. The stabilizing mechanism 7 is arranged inside the automatic binding mechanism 4;

[0037] And a tube pressing mechanism 6 is used to automatically clamp the catheter of the newborn. The tube pressing mechanism 6 is arranged inside the placement opening 5.

[0038] A plurality of interconnected airbags 3 are arranged along the length direction of the strap 2.

[0039] The material of the transparent barrel 1 is transparent acrylic board, and the strap 2 is made of an X-ray penetrable material.

[0040] Specifically, through the setting of the automatic binding mechanism 4, the newborn can be automatically tightened by the weight of the newborn, reducing the manual work steps, and the airbag 3 will play a buffering role. Through the setting of the stabilizing mechanism 7, on the premise of being able to automatically bind and delay, the safety of the device is improved. Through the setting of the tube pressing mechanism 6, after the airbag 3 is close to the newborn, the gas in the airbag 3 can flexibly clamp the catheter of the newborn, and at the same time, the catheter can be extended towards the newborn to prevent the catheter from being dragged and falling off when the newborn's head twists during filming.

[0041] In another embodiment provided by the present invention, the automatic binding mechanism 4 includes a connecting shell 41. A rotating shaft 43 is rotatably arranged inside the connecting shell 41, and a pull rope 42 is wound around the outer wall of the rotating shaft 43. The other end of the pull rope 42 is fixedly connected to the bottom end of the bearing seat 8. A torsion spring 46 is fixedly connected between the outer wall of one end of the rotating shaft 43 and the connecting shell 41. A bevel gear 44 is fixedly connected to the other end of the rotating shaft 43, and another bevel gear 44 is meshed and connected above the bevel gear 44. A rotating shaft 47 is fixedly connected to the upper end of the other bevel gear 44, and a rotating shaft 45 is arranged above the rotating shaft 47. The rotating shaft 45 is rotatably arranged inside the connecting shell 41, and the strap 2 is wound around the rotating shaft 45.

[0042] A section of the strap 2 close to the rotating shaft 45 is a smooth surface.

[0043] Specifically, when the newborn completely moves to the lowermost side inside the transparent barrel 1, the speed of the newborn will decrease. At this time, the non-Newtonian fluid will become soft, and at this time, the return spring 74 will elongate. Thus, the return spring 74 will drive the connecting ring 71 to slowly rotate, and then the strap 2 will be slowly wound up, and the strap 2 will bind the newborn tightly. The stabilizing mechanism 7 plays a role of delaying. When the strap 2 is tightened, the airbag 3 will play a buffering role to prevent the strap 2 from being tied too tightly and causing harm to the newborn. After filming, the newborn is slowly picked up, and the strap 2 can be loosened.

[0044] In yet another embodiment provided by the present invention, the stabilizing mechanism 7 includes an adapter ring 71 fixedly connected to the bottom end of the second rotating shaft 45. A fixed shell 72 is movably sleeved outside the adapter ring 71, and the fixed shell 72 is fixedly connected to the connection shell 41. A cavity 73 is defined between the adapter ring 71 and the fixed shell 72, and a non-Newtonian fluid is placed in the cavity 73. A convex portion is provided on the outer wall of the adapter ring 71, and the convex portion is movably disposed in the cavity 73. A connecting rotating block 75 is fixedly connected to the outer wall of the third rotating shaft 47, and a return spring 74 is fixedly connected between the connecting rotating block 75 and the adapter ring 71. The connecting rotating block 75 is movably disposed inside the adapter ring 71.

[0045] Specifically, the second rotating shaft 45 will not rotate rapidly when the lifting spring 9 breaks. Thus, it can ensure that when it breaks, the strap 2 can still tightly bind the newborn, thereby preventing the newborn from shaking violently when it breaks, and the newborn can only move slowly. Through the setting of the stabilizing mechanism 7, on the premise of being able to automatically bind and having a time delay, the safety of the device is improved.

[0046] In yet another embodiment provided by the present invention, the pressure tube mechanism 6 includes an air guide groove 67 opened in the transparent barrel 1. One end of the air guide groove 67 communicates with a rotating groove 68, and the rotating groove 68 is opened in the transparent barrel 1. The other end of the air guide groove 67 communicates with the first airbag 3. A rotating plate 66 is movably disposed in the rotating groove 68. A threaded rod 65 is fixedly connected to the rotating plate 66. The upper outer wall of the threaded rod 65 is threadedly connected with a threaded block 64, and the threaded block 64 slides up and down in the transparent barrel 1. A rotating frame 61 is provided above the threaded block 64, and the rotating frame 61 is rotatably disposed in the placing opening 5. The rotating frame 61 is fixedly connected to the top end of the threaded rod 65. An airbag 62 is adhered inside the rotating frame 61. A lifting block 63 abuts against the lower side of the airbag 62. The lifting block 63 is inserted up and down at the bottom end of the rotating frame 61. The bottom end of the lifting block 63 extends to the lower side of the rotating frame 61, and the bottom end of the lifting block 63 abuts against the threaded block 64.

[0047] A rubber pad is adhered to one end of the rotating plate 66 away from the threaded rod 65, and the rubber pad abuts against the transparent barrel 1. There are two rotating frames 61, and the two rotating frames 61 are symmetrically disposed in the placing opening 5. When the air guide groove 67 is ventilated, both rotating plates 66 rotate towards the strap 2.

[0048] Specifically, the airbags 62 on both sides will flexibly clamp the catheter. At the same time, the rotation of the threaded rod 65 can drive the rotating frame 61 and the airbag 62 to rotate towards the newborn. Thus, while the airbag 62 flexibly clamps the catheter of the newborn, it can also extend the catheter towards the newborn, making the length of the catheter between the clamping position and the newborn longer, preventing the head of the newborn from twisting during radiography, resulting in the catheter being dragged and falling off, which will have an impact on the newborn.

[0049] Working principle: When taking an X-ray of a newborn, place the newborn on the carrier 8. Then, due to the gravity of the newborn, the carrier 8 will immediately move downward. When the carrier 8 moves downward, it will cause the pull rope 42 to move downward. The pull rope 42 drives the first rotating shaft 43 to rotate. Then, through the transmission of the bevel gear 44, the third rotating shaft 47 will rotate. The third rotating shaft 47 drives the connecting rotating block 75 to rotate. At this time, the reset spring 74 will be compressed. Since the carrier 8 is initially pressed downward by the newborn relatively quickly, the convex part on the outer wall of the connecting ring 71 will quickly rotate among the non-Newtonian fluids in the cavity 73. However, the non-Newtonian fluid will harden, thereby preventing the connecting ring 71 and the second rotating shaft 45 from rotating, so that the binding band 2 will not be wound up. When the newborn completely moves to the lowest side inside the transparent barrel 1, the speed of the newborn will decrease. At this time, the non-Newtonian fluid will soften. At this time, the reset spring 74 will elongate, so the reset spring 74 will drive the connecting ring 71 to rotate slowly, and then the binding band 2 will be slowly wound up. The binding band 2 will tie the newborn tightly. The stabilizing mechanism 7 plays a role in delaying. When the binding band 2 is tied tightly, the first airbag 3 will play a buffering role to prevent the binding band 2 from being tied too tightly and causing harm to the newborn. After taking the X-ray, slowly pick up the newborn, and the binding band 2 can be loosened;

[0050] Place the air duct at the bottom inside the placement opening 5. When the binding band 2 ties the newborn tightly, the first airbag 3 will be squeezed. When the air pressure in the first airbag 3 is greater than the friction between the rubber pad on the rotating plate 66 and the inner wall of the rotating groove 68, the rotating plate 66 will rotate. The rotating plate 66 drives the threaded rod 65 to rotate. When the threaded rod 65 rotates, it will drive the threaded block 64 to move upward. When the threaded block 64 moves upward, it will push the lifting block 63 upward, so that the lifting block 63 squeezes the second airbag 62. The middle parts of the two second airbags 62 will become wider, so that the two second airbags 62 will flexibly clamp the catheter. At the same time, the rotation of the threaded rod 65 can also drive the rotating frame 61 and the second airbag 62 to rotate towards the newborn, so that while the second airbag 62 flexibly clamps the catheter of the newborn, it can also extend the catheter towards the newborn, making the length of the catheter between the clamping position and the newborn longer, preventing the newborn's head from twisting during the X-ray, resulting in the catheter being dragged and falling off, which will have an impact on the newborn. When the binding band 2 becomes loose, due to the elasticity of the second airbag 62, the gas will rush back into the first airbag 3 from the rotating groove 68;

[0051] When the lifting spring 9 or the torsion spring 46 becomes fatigued due to long-term use, it may break during the X-ray. When it breaks, the first rotating shaft 43 will rotate instantaneously and quickly. At this time, since there is non-Newtonian fluid in the cavity 73, the second rotating shaft 45 will not rotate quickly when the lifting spring 9 breaks, so as to ensure that when it breaks, the binding band 2 can still tie the newborn tightly, thereby preventing the newborn from shaking violently when it breaks, and the newborn can only move slowly. Through the setting of the stabilizing mechanism 7, on the premise of being able to automatically bind and delay, the safety of the device is improved.

[0052] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and the above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. A neonatal radiography assisting fixation device, comprising a transparent barrel (1) and a strap (2). One end of the strap (2) is fixedly connected to the inner wall of the transparent barrel (1). An airbag one (3) is arranged on the strap (2). A placement opening (5) is formed in the transparent barrel (1) on the opposite side of the airbag one (3). A connecting shell (41) is fixedly connected to the outer wall of one side of the transparent barrel (1). A bearing seat (8) is slidably arranged up and down at the bottom end of the inner cavity of the transparent barrel (1). A lifting spring (9) is fixedly connected between the bottom end of the bearing seat (8) and the transparent barrel (1). It is characterized in that, It further includes: An automatic binding mechanism (4) for automatically binding the strap (2) after the newborn is laid down. The automatic binding mechanism (4) is arranged inside the connecting shell (41); A stabilizing mechanism (7) that can prevent the lifting spring (9) from causing an impact on the newborn after fatigue fracture. The stabilizing mechanism (7) is arranged inside the automatic binding mechanism (4); And a tube pressing mechanism (6) for automatically clamping the catheter of the newborn. The tube pressing mechanism (6) is arranged inside the placement opening (5).

2. The neonatal radiography auxiliary fixing device according to claim 1, wherein: The automatic binding mechanism (4) includes a connecting shell (41). A first rotating shaft (43) is rotatably arranged inside the connecting shell (41). A pulling rope (42) is wound around the outer wall of the first rotating shaft (43). The other end of the pulling rope (42) is fixedly connected to the bottom end of the bearing seat (8). A torsion spring (46) is fixedly connected between the outer wall of one end of the first rotating shaft (43) and the connecting shell (41). A bevel gear (44) is fixedly connected to the other end of the first rotating shaft (43). Another bevel gear (44) is meshed and connected above the bevel gear (44). A third rotating shaft (47) is fixedly connected to the upper end of the other bevel gear (44). A second rotating shaft (45) is arranged above the third rotating shaft (47). The second rotating shaft (45) is rotatably arranged inside the connecting shell (41). The strap (2) is wound around the second rotating shaft (45).

3. The neonatal radiography auxiliary fixing device according to claim 2, wherein: The stabilizing mechanism (7) includes an adapter ring (71) fixedly connected to the bottom end of the second rotating shaft (45). A fixed shell (72) is movably sleeved on the outer side of the adapter ring (71). The fixed shell (72) is fixedly connected inside the connecting shell (41). A cavity (73) is formed between the adapter ring (71) and the fixed shell (72). A non-Newtonian fluid is placed inside the cavity (73). A protruding portion is arranged on the outer wall of the adapter ring (71). The protruding portion is movably arranged inside the cavity (73). A connecting rotating block (75) is fixedly connected to the outer wall of the third rotating shaft (47). A return spring (74) is fixedly connected between the connecting rotating block (75) and the adapter ring (71). The connecting rotating block (75) is movably arranged inside the inner side of the adapter ring (71).

4. The neonatal radiography auxiliary fixing device according to claim 1, wherein: The tube pressing mechanism (6) includes an air guide groove (67) opened inside the transparent barrel (1). One end of the air guide groove (67) communicates with a rotating groove (68). The rotating groove (68) is opened inside the transparent barrel (1). The other end of the air guide groove (67) communicates with the first airbag (3). A rotating plate (66) is movably arranged inside the rotating groove (68). A threaded rod (65) is fixedly connected to the rotating plate (66). A threaded block (64) is threadedly connected to the outer wall of the upper end of the threaded rod (65). The threaded block (64) slides up and down inside the transparent barrel (1). A rotating frame (61) is arranged above the threaded block (64). The rotating frame (61) is rotatably arranged inside the placement opening (5). The rotating frame (61) is fixedly connected to the top end of the threaded rod (65). A second airbag (62) is adhered inside the rotating frame (61). A lifting block (63) abuts against the lower side of the second airbag (62). The lifting block (63) is inserted up and down at the bottom end of the rotating frame (61). The bottom end of the lifting block (63) extends to the lower side of the rotating frame (61). The bottom end of the lifting block (63) abuts against the threaded block (64).

5. The neonatal radiography auxiliary fixing device according to claim 1, wherein: The material of the transparent barrel (1) is transparent acrylic board, and the material of the strap (2) is X-ray penetrable.

6. The neonatal radiography auxiliary fixing device according to claim 1, characterized in that: A plurality of interconnected air bags I (3) are arranged along the length direction of the strap (2).

7. A neonatal radiography auxiliary fixing device according to claim 2, characterized in that: One section of the strap (2) close to the rotating shaft II (45) is a smooth surface.

8. The neonatal radiography auxiliary fixing device according to claim 4, wherein: A rubber pad is adhered to one end of the rotating plate (66) away from the threaded rod (65), and the rubber pad abuts against the transparent barrel (1). There are two rotating frames (61), and the two rotating frames (61) are symmetrically arranged in the placing opening (5). When the air guide groove (67) is ventilated, both of the two rotating plates (66) rotate towards the strap (2).

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