CN108836709A - A kind of children's lumbar vertebrae posture fixing bed - Google Patents

Abstract

The invention relates to the field of medical equipment, specifically a children's lumbar position fixation bed, which includes a lifting component, a leg fixation component, an abdominal support component, a shoulder pressing component, a lumbar positioning component, a supporting board and a horizontal bed board. , the leg fixation component, abdominal support component, shoulder pressing component and lumbar positioning component are all set on the top of the bed board, the lifting component is set between the support board and the bed board, the leg fixation component includes a fixation column and a leg fixation component The leg fixing plate is provided with a telescopic plate and a driving assembly. The telescopic plate is set horizontally and the telescopic plate is provided with a foot placement assembly. The beneficial effects of the present invention are that the height of the bed board can be adjusted through the lifting assembly, and the upper body of children with different physiques can be positioned and fixed through the leg fixing assembly, abdominal support assembly and shoulder pressing assembly, so that children can lie comfortably Top of bed board.

Description

A kind of children's lumbar spine fixed bed

technical field

The invention relates to the field of medical equipment, in particular to a children's lumbar spine fixed bed.

Background technique

At present, clinically, when performing lumbar puncture on children, the head and knees of the child need to be as close as possible to fully expose the spine and expand the spine. Most of the existing operations are performed under anesthesia for children. Larger side effects, children do not cooperate with most of the puncture operations when they are awake, so they need to be assisted by others, so the operation is very troublesome, time-consuming and laborious, and adds great difficulty to the medical staff.

In order to solve the above problems, the patent No. CN201578370U is a utility model of a lumbar puncture bed, which includes a bed board and a bed leg, and is characterized in that a connecting shaft is fixedly arranged on the bed board, an arc-shaped pressing plate is arranged on the connecting shaft, and an arc-shaped pressing plate is provided in the center. There are puncture holes, and the middle section of the bed board is fixed with an arc-shaped positioning plate. This utility model has a simple structure, and is easy to operate when performing lumbar puncture to the patient, saving time and labor, and reducing the pain of the patient.

Although the patent is easy to operate, there are still the following problems: the patent can only position and fix children of a certain physique, and does not meet the needs of various children; it does not mention the lifting function, which makes it difficult for children to get on and off the bed. Inconvenient; although this patent can locate the position of the child, it cannot be properly adjusted. When the child is moved and uncomfortable, it will move around, which will affect the puncture operation of the medical staff.

Contents of the invention

The object of the present invention is to provide a bed for fixing children's lumbar spine position, so as to solve the problems that children with different physiques cannot be positioned and fixed in the prior art and the bed board has no lifting function.

The technical solution of the present invention is: including a lifting assembly, a leg fixing assembly, an abdominal support assembly, a shoulder pressing assembly, a lumbar positioning assembly, a support plate and a horizontally arranged bed board, the leg fixing assembly, the abdominal support assembly , the shoulder pressing assembly and the lumbar positioning assembly are arranged on the top of the bed board, the abdominal supporting assembly is located between the leg fixing assembly and the shoulder pressing assembly, and the abdominal supporting assembly cooperates with the shoulder pressing assembly, and the supporting board is arranged horizontally Right below the bed board, the lifting assembly is arranged between the supporting board and the bed board, and the leg fixing assembly includes a fixing post vertically arranged on the top of the bed board and a leg fixing board sleeved on the fixing post. The leg fixing plate has a rectangular parallelepiped structure, and the leg fixing plate is provided with a telescopic plate slidingly matched with it and a driving assembly for driving the telescopic plate to move in the length direction of the leg fixing plate, the telescopic plate is arranged horizontally and the telescopic plate There are foot placement components for children's feet to be placed on the top.

In a preferred embodiment of the present invention, the foot resting assembly includes a foot resting plate, and one end of the foot resting plate close to the telescopic plate is provided with two extending ears arranged at intervals, and the telescopic plate is located between two A hinge rod is arranged between the two extension ears and between the telescopic plate and the two extension ears.

In a preferred embodiment of the present invention, the drive assembly includes an L-shaped mounting plate located on the top of the leg fixing plate, and the L-shaped mounting plate is provided with a self-locking motor with the output shaft vertically facing downwards. One end of the expansion plate is provided with a tooth surface, and the output shaft of the self-locking motor is sleeved with a driving gear meshing with the tooth surface.

In a preferred embodiment of the present invention, the leg fixing assembly further includes an insertion rod, a first connecting strap and a second connecting strap matched with the first connecting strap, and the first connecting strap Set on the top of the leg fixing plate, the second connecting strap is set on the bottom of the leg fixing plate, the first connecting strap is provided with an adjustment buckle, the first connecting strap and the second connecting strap They are all made of nylon material. The insertion rod can be slidably arranged on the leg fixing plate. The insertion rod is provided with a handle. The top of the bed board is provided with several The plunger is inserted into a mating socket.

In a preferred embodiment of the present invention, the shoulder pressing assembly includes a rotating rod arranged on the top of the bed board and an arc-shaped connecting plate sleeved on the rotating rod, and the arc-shaped connecting plate is provided with a hollow structure. The installation frame is provided with two connecting rods arranged at intervals, and each of the connecting rods is covered with a pressing cylinder for pressing the shoulder of the child, and the pressing cylinder is made of flexible material. The bottom of the bed board is provided with a rotary motor for driving the rotary rod to rotate and a support plate for supporting the rotary motor, and the output shaft of the rotary motor is fixedly connected with the bottom of the rotary rod.

In a preferred embodiment of the present invention, the abdominal support assembly includes a U-shaped connecting plate and a chute located on the top of the bed board, the U-shaped connecting plate is arranged between the rotating rod and the fixed column, and the chute A slide plate capable of sliding horizontally is provided, the U-shaped connecting plate is located on the top of the slide plate, a vertically arranged rotating rod is provided between the U-shaped connecting plate and the top of the sliding plate, and a rotating cylinder is sleeved on the rotating rod. The rotating cylinder is provided with an arc-shaped support plate for supporting the abdomen of the child, and the arc-shaped support plate is fixedly connected to the rotating cylinder through two connecting plates.

In a preferred embodiment of the present invention, the abdominal support assembly also includes a drive motor arranged on the top of the slide plate with the output shaft vertically facing upwards and an L-shaped fixed plate for installing the drive motor. A driven pulley is set on the rod, and a driving pulley is set on the output shaft of the driving motor. The driving pulley and the driven pulley are connected by a synchronous belt, and the output shaft is fixed on the top of the bed facing an L shape. The electric push rod of the plate, the output shaft of the electric push rod is fixedly connected with the side wall of the L-shaped fixed plate.

In a preferred embodiment of the present invention, the top of the bed board is provided with a positioning column located between the rotating rod and the electric push rod, the positioning column is covered with a hand tube, and the hand tube is provided with a The handle held by the child's hand, the hand tube and the handle are all made of flexible materials, and the left and right ends of the top of the bed board are provided with an anti-drop guardrail.

In a preferred embodiment of the present invention, the lumbar spine positioning assembly includes a groove located on the top of the bed board and arranged obliquely and a rack located in the groove, and guides that are slidably fitted with the groove are provided at both ends of the rack. slide bar, the end of the rack near the arc-shaped support plate is provided with a vertical positioning plate, the positioning plate is provided with positioning holes for puncturing and positioning children, and the top of the bed board is provided with a rotating motor. The output shaft of the rotating motor is sleeved with a material shifting gear meshed with the rack.

In a preferred embodiment of the present invention, the lifting assembly includes two screw lifts arranged at intervals on the top of the supporting plate, each of which is provided with a driving screw on the top of the screw lift, and the bottom of the bed board corresponds to Each driving screw rod is provided with a bearing seat, and the driving screw rod is clamped in the bearing seat, and four universal wheels distributed in a matrix are arranged at the bottom of the supporting plate.

The present invention provides a children's lumbar spine position fixation bed through improvement. Compared with the prior art, it has the following improvements and advantages:

(1) Equipped with leg fixation components, abdominal support components and shoulder compression components, through the leg fixation components, abdominal support components and shoulder compression components, the upper body of children of different sizes can be positioned and fixed, so that children can comfortably Lying on the top of the bed board to avoid children disturbing the puncture operation of medical staff during the puncture process.

(2) A lumbar positioning component is provided, which can locate the child's puncture site, so that medical staff can perform puncture operations on children.

(3) There is a lifting component, through which the height of the bed board can be adjusted, so that children can climb up the bed board by themselves and bring greater convenience to the puncture operation of medical staff.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention will be further explained:

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is a schematic top view of the present invention;

Fig. 3 is a schematic diagram of a partial three-dimensional structure of the present invention;

Fig. 4 is a three-dimensional structural schematic diagram of the leg fixing assembly;

Figure 5 is an exploded schematic view of the leg fixing assembly;

Fig. 6 is a partial three-dimensional structural schematic diagram II of the present invention;

Figure 7 is an exploded schematic view of the abdominal support assembly;

Fig. 8 is a schematic diagram of a partial three-dimensional structure of the present invention;

Fig. 9 is an enlarged view of A in Fig. 8;

Explanation of reference signs:

Lifting assembly 1, screw elevator 1a, universal wheel 1b, leg fixing assembly 2, fixing column 2a, leg fixing plate 2b, telescopic plate 2c, drive assembly 2d, L-shaped mounting plate 2d1, self-locking motor 2d2, drive Gear 2d3, first connecting strap 2e, adjusting buckle 2f, inserting rod 2g, handle 2h, socket 2i, abdominal support assembly 3, U-shaped connecting plate 3a, sliding plate 3b, rotating rod 3c, rotating cylinder 3d, arc Shaped support plate 3e, connecting plate 3f, driving motor 3g, driving pulley 3g1, L-shaped fixing plate 3g2, driven pulley 3g3, electric push rod 3h, shoulder pressing assembly 4, rotating rod 4a, arc connecting plate 4b, installation Frame 4c, pressing cylinder 4d, rotating motor 4e, supporting plate 4f, lumbar positioning assembly 5, rack 5a, positioning plate 5b, positioning hole 5c, rotating motor 5d, material shifting gear 5e, supporting plate 6, bed plate 7, feet Placement assembly 8, foot placement plate 8a, extension ear 8b, hinged rod 8c, hand tube 9, handle 9a, and anti-drop guardrail 9b.

Detailed ways

The present invention will be described in detail below in conjunction with accompanying drawings 1 to 9, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The present invention provides a child lumbar spine fixed bed through improvement, as shown in Fig. 1-Fig. 5. The support plate 6 and the horizontally arranged bed board 7, the leg fixing assembly 2, the abdominal support assembly 3, the shoulder pressing assembly 4 and the lumbar positioning assembly 5 are all arranged on the top of the bed board 7, and the abdominal support assembly 3 It is located between the leg fixing assembly 2 and the shoulder pressing assembly 4, and the abdominal supporting assembly 3 cooperates with the shoulder pressing assembly 4, the support plate 6 is horizontally arranged directly under the bed board 7, and the lifting assembly 1 is arranged on the support plate 6 and the bed board 7, the leg fixing assembly 2 includes a fixing column 2a vertically arranged on the top of the bed board 7 and a leg fixing plate 2b sleeved on the fixing column 2a, the leg fixing plate 2b is Cuboid structure, the leg fixing plate 2b is provided with a telescopic plate 2c that is slidingly matched with it and a drive assembly 2d that drives the telescopic plate 2c to move in the length direction of the leg fixing plate 2b, and the telescopic plate 2c is horizontally arranged and telescopic The board 2c is provided with a foot placement assembly 8 for placing children's feet. The lifting assembly 1 is used to adjust the height of the bed board 7 so that children can climb up the bed board 7 by themselves. The leg fixing assembly 2 is used for children with different physiques. The legs are positioned and fixed, the abdominal support component 3 and the shoulder pressing component 4 can position and fix the upper body of the child, and prevent the child from disturbing the puncture operation of the medical staff during the puncture process. The puncture site is positioned so that medical staff can perform puncture operations on children.

The foot placement assembly 8 includes a foot placement plate 8a, and one end of the foot placement plate 8a close to the telescopic plate 2c is provided with two spaced extension ears 8b, and the telescopic plate 2c is located on the two extension ears 8b Between the telescopic plate 2c and the two extension ears 8b, there is a hinged rod 8c. The hinged rod 8c is used to hinge the telescopic plate 2c with the two extension ears 8b, allowing children to step on the foot placement plate 8a, so that Free movement of the child's feet increases the child's comfort.

The drive assembly 2d includes an L-shaped mounting plate 2d1 located on the top of the leg fixing plate 2b. The L-shaped mounting plate 2d1 is provided with a self-locking motor 2d2 whose output shaft is vertically facing downwards. One end of the telescopic plate 2c A tooth surface is provided, and the output shaft of the self-locking motor 2d2 is provided with a driving gear 2d3 meshing with the tooth surface. The self-locking motor 2d2 can drive the driving gear 2d3 to rotate, and the driving gear 2d3 can drive the telescopic plate 2c to move, thereby The length of the telescopic plate 2c is adjusted according to the length of children's legs, which can be suitable for children with different heights.

The leg fixing assembly 2 also includes an insertion rod 2g, a first connecting strap 2e and a second connecting strap matching the first connecting strap 2e, the first connecting strap 2e is arranged on the leg fixing The top of the plate 2b, the second connecting strap is arranged at the bottom of the leg fixing plate 2b, the first connecting strap 2e is provided with an adjustment buckle 2f, the first connecting strap 2e and the second connecting strap Both are made of nylon material, the insertion rod 2g is slidably arranged on the leg fixing plate 2b, the insertion rod 2g is provided with a handle 2h, and the top of the bed board 7 is provided with several The sockets 2i arranged at equal intervals in the direction and mated with the insertion rod 2g can insert the insertion rod 2g into the socket 2i through the handle 2h to fix the leg fixing plate 2b, through the first connecting strap 2e and the second The two connecting straps can bind the legs of the child, and the length of the first connecting strap 2e and the second connecting strap can be adjusted by adjusting the buckle 2f, and the legs of children of different physiques can be fixed on the leg fixing plate 2b .

The shoulder pressing assembly 4 includes a rotating rod 4a arranged on the top of the bed board 7 and an arc-shaped connecting plate 4b sleeved on the rotating rod 4a. The arc-shaped connecting plate 4b is provided with a hollow mounting frame 4c, The installation frame 4c is provided with two connecting rods arranged at intervals, each of the connecting rods is sleeved with a pressing cylinder 4d for pressing the shoulder of the child, and the pressing cylinder 4d is made of a flexible material. The bottom of the bed board 7 is provided with a rotating motor 4e for driving the rotating rod 4a to rotate and a support plate 4f for supporting the rotating motor 4e. The output shaft of the rotating motor 4e is fixedly connected with the bottom of the rotating rod 4a, and the rotating motor 4e can work Drive the rotating rod 4a to rotate, and the rotating rod 4a can drive the pressing cylinder 4d to rotate, so that the pressing cylinder 4d presses the child's shoulder and fixes the child on the top of the bed board 7 .

The abdominal support assembly 3 includes a U-shaped connecting plate 3a and a chute positioned at the top of the bed board 7, the U-shaped connecting plate 3a is arranged between the rotating rod 4a and the fixed column 2a, and the chute is provided with a horizontal Sliding slide plate 3b, the U-shaped connecting plate 3a is located at the top of the slide plate 3b, a vertically arranged rotating rod 3c is arranged between the U-shaped connecting plate 3a and the top of the sliding plate 3b, and the rotating rod 3c is sleeved with The rotating cylinder 3d is provided with an arc-shaped support plate 3e for supporting the abdomen of the child. The arc-shaped support plate 3e and the rotating cylinder 3d are fixedly connected by two connecting plates 3f, and the arc-shaped support The board 3e is used for positioning and supporting the abdomen of the child, and the arc-shaped support board 3e is made of flexible materials such as rubber.

The abdominal support assembly 3 also includes a drive motor 3g arranged on the top of the slide plate 3b with the output shaft vertically upward, and an L-shaped fixed plate 3g2 for installing the drive motor 3g. There is a driven pulley 3g3, the output shaft of the driving motor 3g is provided with a driving pulley 3g1, the driving pulley 3g1 and the driven pulley 3g3 are connected by a timing belt, and the top of the bed board 7 is provided with an output shaft facing L The electric push rod 3h of the type fixed plate 3g2, the output shaft of the electric push rod 3h is fixedly connected with the side wall of the L-shaped fixed plate 3g2, the electric push rod 3h can drive the arc support plate 3e to conflict with the abdomen of the child, and the drive motor 3g It can drive the rotating rod 3c to rotate, and the rotating rod 3c can drive the arc-shaped support plate 3e to rotate. By adjusting the angle of the arc-shaped support plate 3e, children can get the best comfort.

The top of the bed board 7 is provided with a positioning column between the rotating rod 4a and the electric push rod 3h, and the positioning column is provided with a hand tube 9, and the hand tube 9 is provided with a handle for children's hands to grasp. The handle 9a, the hand tube 9 and the handle 9a are made of flexible materials, and the left and right ends of the top of the bed board 7 are provided with an anti-drop guardrail 9b, so that children can grasp the handle with their hands during the puncture process. 9a, to prevent children from touching other devices during the puncture and affecting the puncture.

The lumbar spine positioning assembly 5 includes a groove located on the top of the bed board 7 and arranged obliquely and a rack 5a located in the groove, and two ends of the rack 5a are provided with guide bars that are slidably matched with the groove. One end of the bar 5a near the arc support plate 3e is provided with a vertical positioning plate 5b, the positioning plate 5b is provided with a positioning hole 5c for puncturing and positioning the child, and the top of the bed plate 7 is provided with a rotating motor 5d, The output shaft of the rotating motor 5d is sleeved with a material-moving gear 5e meshed with the rack 5a, the rotating motor 5d can drive the material-moving gear 5e to rotate, and the material-moving gear 5e can drive the rack 5a to the arc support plate 3e direction moves, and positioning plate 5b can be attached to the back of the child, and the child can be punctured manually through the positioning hole 5c.

The lifting assembly 1 includes two screw lifters 1a arranged at intervals on the top of the supporting plate 6, each screw lifter 1a top is provided with a driving screw, and the bottom of the bed board 7 corresponds to each driving screw Each is provided with a bearing seat, and the transmission screw rod is clamped in the bearing seat. The bottom of the supporting plate 6 is provided with four universal wheels 1b distributed in a matrix, and the two screw lifters 1a can drive the transmission wire When the rod rotates, the bearing seat can change the rotary motion of the transmission screw into a linear motion, so that the bed board 7 can rise and fall in the vertical direction, which is convenient for medical staff to assist children to climb on the bed board 7, and the universal wheel 1b is convenient for medical staff to quickly move the bed board 7 .

Working principle of the present invention: the two screw lifters 1a can drive the transmission screw to rotate, and the bearing seat can change the rotary motion of the transmission screw into a linear motion, so that the bed board 7 can be lifted in the vertical direction, which is convenient for medical staff to assist children to climb. On the bed board 7, the child lies on the side on the top of the bed board 7, the leg fixing board 2b can be rotated manually, and the insertion rod 2g can be inserted into the jack 2i through the handle 2h to fix the leg fixing board 2b and the legs The board 2b can be adjusted to the most comfortable angle for the child. When the child does not cooperate, the child's legs can be bound by the first connecting strap 2e and the second connecting strap, and the electric push rod 3h can drive the arc The support plate 3e is in conflict with the abdomen of the child, and the driving motor 3g can drive the rotating rod 3c to rotate, and the rotating rod 3c can drive the arc-shaped support plate 3e to rotate. By adjusting the angle of the arc-shaped support plate 3e, the child can get the best comfort and rotate The motor 4e works to drive the rotating rod 4a to rotate, and the rotating rod 4a can drive the pressing cylinder 4d to rotate, so that the pressing cylinder 4d can press the child's shoulder to fix the child on the top of the bed board 7, and the rotating motor 5d can drive the material transfer gear 5e to rotate. The material shifting gear 5e can drive the rack 5a to move towards the direction of the arc support plate 3e, so that the positioning plate 5b can be attached to the back of the child, and the child can be punctured manually through the positioning hole 5c.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A children’s lumbar spine fixed bed, characterized in that it includes a lifting component (1), a leg fixing component (2), an abdominal support component (3), a shoulder pressing component (4), a lumbar spine positioning component (5 ), the supporting board (6) and the bed board (7) arranged horizontally, the leg fixation assembly (2), the abdominal support assembly (3), the shoulder pressing assembly (4) and the lumbar positioning assembly (5) all Set on the top of the bed board (7), the abdominal support assembly (3) is located between the leg fixing assembly (2) and the shoulder pressing assembly (4), and the abdominal supporting assembly (3) and the shoulder pressing assembly (4) Matched, the supporting plate (6) is horizontally arranged directly below the bed board (7), the lifting assembly (1) is arranged between the supporting board (6) and the bed board (7), and the leg fixing assembly (2) It includes a fixing column (2a) vertically arranged on the top of the bed board (7) and a leg fixing plate (2b) sleeved on the fixing column (2a). The leg fixing plate (2b) has a rectangular parallelepiped structure. The leg fixing plate (2b) is provided with a telescopic plate (2c) slidingly matched with it and a driving assembly (2d) that drives the telescopic plate (2c) to move in the length direction of the leg fixing plate (2b), and the telescopic plate (2c) is arranged horizontally, and the telescopic plate (2c) is provided with a foot placement component (8) for placing children's feet. 2. The children's lumbar spine fixed bed according to claim 1, characterized in that: the foot placement assembly (8) includes a foot placement board (8a), and the foot placement board (8a) is close to the telescopic board One end of (2c) is provided with two extension ears (8b) arranged at intervals, the telescopic plate (2c) is located between the two extension ears (8b), and the telescopic plate (2c) and the two extension ears (8b) There are hinged rods (8c) between them. 3. The children's lumbar spine fixed bed according to claim 2, characterized in that: the driving assembly (2d) includes an L-shaped mounting plate (2d1) on the top of the leg fixing plate (2b), and the L-shaped mounting plate (2d1) The plate (2d1) is provided with a self-locking motor (2d2) with the output shaft vertically facing downwards, one end of the expansion plate (2c) is provided with a tooth surface, and the output shaft of the self-locking motor (2d2) is sleeved There is a driving gear (2d3) meshing with the tooth surface. 4. The children's lumbar spine position fixation bed according to claim 1, characterized in that: the leg fixation assembly (2) also includes an insertion rod (2g), a first connecting strap (2e) and a first connecting strap (2e). The second connecting strap matched with the strap (2e), the first connecting strap (2e) is set on the top of the leg fixing plate (2b), and the second connecting strap is set on the leg fixing plate (2b) ) bottom, the first connecting strap (2e) is provided with an adjustment buckle (2f), the first connecting strap (2e) and the second connecting strap are both made of nylon material, and the insertion rod (2g) is slidably arranged on the leg fixing plate (2b), the insertion rod (2g) is provided with a handle (2h), and the top of the bed board (7) is provided with several insertion rods (2g) Sockets (2i) arranged at equal intervals in the direction of rotation and mated with the insertion rod (2g). 5. The children's lumbar spine fixed bed according to claim 1, characterized in that: the shoulder pressing assembly (4) includes a rotating rod (4a) arranged on the top of the bed board (7) and a rotating rod (4a) sleeved on the rotating rod ( The arc-shaped connecting plate (4b) on 4a), the arc-shaped connecting plate (4b) is provided with a hollow structure installation frame (4c), and the installation frame (4c) is provided with two connecting rods arranged at intervals , each of the connecting rods is sleeved with a pressing cylinder (4d) for pressing the child's shoulder, the pressing cylinder (4d) is made of flexible material, and the bottom of the bed board (7) is provided with a rotating rod for driving (4a) A rotating rotary motor (4e) and a support plate (4f) for supporting the rotary motor (4e), the output shaft of the rotary motor (4e) is fixedly connected to the bottom of the rotary rod (4a). 6. The children's lumbar spine fixed bed according to claim 5, characterized in that: the abdominal support assembly (3) includes a U-shaped connecting plate (3a) and a chute on the top of the bed board (7), the U The U-shaped connecting plate (3a) is arranged between the rotating rod (4a) and the fixed column (2a), and the sliding plate (3b) that can slide horizontally is arranged in the chute, and the U-shaped connecting plate (3a) is located on the sliding plate ( 3b) Top, between the U-shaped connecting plate (3a) and the top of the slide plate (3b), there is a vertically arranged rotating rod (3c), and a rotating cylinder (3d) is sleeved on the rotating rod (3c) , the rotating cylinder (3d) is provided with an arc-shaped support plate (3e) for supporting the abdomen of the child, and the arc-shaped support plate (3e) and the rotating cylinder (3d) are connected by two connecting plates (3f ) fixed connection. 7. The children's lumbar spine fixed bed according to claim 6, characterized in that: the abdominal support assembly (3) also includes a drive motor (3g) which is arranged on the top of the slide plate (3b) and whose output shaft is vertically upward ) and an L-shaped fixed plate (3g2) for installing the driving motor (3g), the driven pulley (3g3) is set on the rotating rod (3c), and the output shaft of the driving motor (3g) is The driving pulley (3g1) is sleeved, the driving pulley (3g1) and the driven pulley (3g3) are connected by a timing belt, and the top of the bed board (7) is provided with an output shaft facing the L-shaped fixed plate (3g2) An electric push rod (3h), the output shaft of the electric push rod (3h) is fixedly connected to the side wall of the L-shaped fixing plate (3g2). 8. The children's lumbar spine fixed bed according to claim 7, characterized in that: the top of the bed board (7) is provided with a positioning column between the rotating rod (4a) and the electric push rod (3h), and the positioning column A hand tube (9) is set on the column, and a handle (9a) for children's hands is arranged on the hand tube (9), and the hand tube (9) and the handle (9a) are both made of Made of flexible material, the left and right ends of the top of the bed board (7) are provided with an anti-drop guardrail (9b). 9. The children's lumbar spine position fixed bed according to claim 6, characterized in that: the lumbar spine positioning assembly (5) includes a groove located on the top of the bed board (7) and arranged obliquely and a rack located in the groove ( 5a), the two ends of the rack (5a) are provided with guide bars that slide with the groove, and the end of the rack (5a) close to the arc-shaped support plate (3e) is provided with a vertical positioning plate (5b), the positioning plate (5b) is provided with a positioning hole (5c) for puncturing a child, the top of the bed board (7) is provided with a rotating motor (5d), and the output of the rotating motor (5d) A shifting gear (5e) meshing with the rack (5a) is sheathed on the shaft. 10. The children's lumbar spine fixed bed according to claim 1, characterized in that: the lifting assembly (1) includes two screw lifters (1a) arranged at intervals on the top of the support plate (6), each The top of the screw lifter (1a) is provided with a transmission screw, and the bottom of the bed board (7) is provided with a bearing housing corresponding to each transmission screw, and the transmission screw is clamped in the bearing housing. The bottom of the supporting plate (6) is provided with four universal wheels (1b) distributed in a matrix.