CN116785125A - Head and trunk control system for neurologically critical children - Google Patents

Abstract

The head and trunk control system for neurologically severe children solves the current problem of children with severe motor dysfunction being unable to carry out walking assistance training and stepping training under stable conditions, and being unable to adjust for children of different heights; including Mobile support frame, walking trainer and step trainer; the height of the mobile support frame is adjustable, movable and lockable after movement. The step trainer includes a connecting frame, the connecting frame and the mobile support frame are detachable, and there are Steering assembly and two stepping mechanisms with the same structure; the walking aid training device includes a connecting base, the connecting base and the mobile support frame are detachable, there is a lift-adjustable trunk support frame on the connecting base, and there is an adjustable height headrest cushion in the trunk support frame , the thoracolumbar and sacral cushions, lumbar spine cushions and chest stabilizer are fixed on the trunk support frame. The trunk support frame is equipped with a removable and height-adjustable saddle seat. The left and right sides of the trunk support frame are fixedly connected with Knee Restraint Belt.

Description

Head and trunk control system for neurologically critical children

Technical field

The invention belongs to the technical field of medical rehabilitation equipment, and in particular relates to a head and trunk control movement system for children with severe neurological conditions.

Background technique

Children with severe neurological diseases, children with severe cerebral palsy (gross motor function grade three or above), neuromuscular diseases, genetic metabolic diseases and other severe impairments in motor function need to be trained to stand and move (walking and stepping). Children with severe neurological diseases Those with unstable head erection and/or poor trunk control ability. The head and/or trunk and abdomen cannot be supported, the body cannot be in an upright state, the central axis of the head control and trunk is unstable, and the person cannot perform in a certain posture. It trains head movement control, neck muscle strength, arm muscle strength, lower abdominal and lower limb muscle strength. It cannot train the muscle posture control ability of the midline area of the head, neck and trunk and the limb resistance movement ability. It can relieve spasticity of limbs, dystonia, muscle atrophy, poor peripheral blood supply, etc. It can prevent hip dislocation and knee and ankle contracture, and assist critically ill children to stand, walk and step.

Contents of the invention

In view of the above technical problems, the present invention provides a head and trunk control movement system for children with severe neurological diseases, which solves the problem of children with severe functional impairments such as children with severe neurological diseases, severe cerebral palsy, neuromuscular diseases, genetic metabolic diseases, etc. It cannot carry out walking assistance training and stepping training under stable conditions, and it cannot be adjusted for children of different heights.

In order to achieve the above objects, the present invention provides the following technical solutions; including a mobile support frame, a walking training device and a stepping training device;

The mobile support frame includes a first frame pole and a second frame pole. A first cross bar is fixedly connected between the first frame pole and the second frame pole to form a U-shaped frame. The first frame pole is provided with a A first leg that can be adjusted along its axial direction, the second frame rod is provided with a second leg that can be adjusted along its axial direction, and a third leg is fixedly connected between the first leg and the second leg. Two horizontal bars, the lower ends of the first rack bar, the second rack bar, the first leg and the second leg are all fixedly connected with casters with foot brakes;

The step training device includes a connecting frame, which is fixedly and detachably connected to the movable support frame. The front end of the connecting frame is fixedly connected to a parallel frame, and the front end of the parallel frame is fixedly connected to a positioning post. A steering assembly is rotatably connected to the positioning column, a drive shaft is rotatably connected to the connecting frame, a drive wheel is fixedly connected to the drive shaft, and pedaling mechanisms with the same structure are provided on the left and right sides of the drive wheel. The pedaling mechanism includes a crank fixedly connected to the drive shaft. The end of the crank away from the drive shaft is rotatably connected to a first connecting rod. The end of the first connecting rod away from the crank is rotatably connected to a slider. The first connecting rod is rotatably connected to the slider. The footrest is fixedly connected and can be adjusted along its axial direction;

The walking aid training device includes a connecting seat, which is fixedly and detachably connected to the mobile support frame. The connecting seat is provided with an adjustment frame that can be lifted and lowered, and a trunk support is fixedly connected to the adjustment frame. The trunk support frame is equipped with a height-adjustable lifting frame, a head cushion is fixedly connected to the lifting frame, and a thoracolumbosacral cushion, a lumbar spine cushion and a chest stabilizer are fixedly connected to the trunk support frame. , the thoracolumbosacral cushion is above the lumbar cushion, the trunk support frame is vertically slidably connected to a sliding seat, and the sliding seat is threadedly connected to an adjustment screw that is rotationally connected to the trunk support frame, and the sliding seat A detachable saddle-shaped seat is fixedly connected to the seat, and knee restraint belts are fixedly connected to the left and right sides of the trunk support frame.

Preferably, a first positioning shaft is fixedly connected to the slider, a second positioning shaft is fixedly connected to one end of the crank away from the drive shaft, and one end of the first connecting rod is fixedly connected to the first positioning shaft. The first sliding sleeve, the other end of the first connecting rod is fixedly connected with the second sliding sleeve sleeved on the second positioning shaft, the first positioning shaft is threadedly connected with an adjusting nut, and the adjusting nut is connected to the first sliding sleeve. The first sliding sleeve is connected by rotation.

Preferably, the left and right sides of the saddle-shaped seat cushion are fixedly connected with armrests, and the ends of the armrests are fixedly connected with transverse grip bars or vertical grip bars.

Preferably, the steering assembly includes a steering shaft that is rotationally connected to the positioning column, an adjustment rod that can slide and adjust along the steering shaft in the axial direction is provided in the steering shaft, and a first lock is provided between the adjustment rod and the steering shaft. The steering shaft passes downward through the positioning column and is fixedly connected to the steering wheel. The upper end of the adjusting rod is fixedly connected to an auxiliary push handle.

Preferably, two left-right symmetrical sliding rods are fixedly connected to the first crossbar, and the two sliding rods are provided with armrests that can be slidably connected along the axial direction of the sliding rods, and a third sliding rod is provided between the armrests and the sliding rods. Two locking parts.

Preferably, a head restraint belt is fixedly connected to the headrest cushion, and the lumbar spine cushion includes two arc-shaped splints. After the two arc-shaped splints are placed front and back, restraint grooves will be formed on the left and right ends. The left ends of the two arc-shaped splints Or the right end is connected through an elastic band, and an adjustable restraint band is fixedly connected between the two arc-shaped splints.

Preferably, an ankle auxiliary strap is fixedly connected to both the first and second support poles, an ankle protective pad is fixedly connected to the ankle auxiliary straps, and a third ankle protective pad is fixedly connected to the ankle protective pad. A connecting belt and a second connecting belt, the first connecting belt and the second connecting belt are connected by Velcro.

Preferably, a motor is fixedly connected to the connecting base, a first gear is fixedly connected to the output end of the motor, a first screw arranged vertically is fixedly connected to the adjustment frame, and the first screw is fixedly connected to the first screw. A second gear meshing with the first gear is threadedly connected, and the second gear is rotatably connected to the connecting base.

Compared with the prior art, the beneficial effects of the present invention are: the device can carry out walking training for children through the walking training device, and can carry out stepping training for children through the stepping training device, and the walking training device and the stepping training device can It is detachably connected with the mobile support frame and can be disassembled and replaced when needed; the mobile support frame can be height-adjusted according to different children's heights, and the headrest cushion, trunk support frame and saddle seat can be height-adjusted or removed as needed; Through the auxiliary armrest, this device can be used by caregivers of different heights to facilitate child training; the width of the two pedal mechanisms can also be adjusted according to the use of different children, and the distance can be the same as the hip width; the front of the foot pedal The knee can be rotated externally to correct internal rotation of the hip and internal rotation of the foot; the knee limiter belt can limit the internal rotation of the knee, ensuring that the lower limbs maintain the hip abduction and external rotation position during pedaling, promoting the development of the acetabulum and Prevent hip dislocation; this device can keep children upright during training, provide children with head control and central axis stability of the trunk, and improve the midline flexor posture control ability of the head, neck and trunk and the anti-gravity movement ability of the limbs , relieve limb spasm, dystonia, muscle atrophy, poor peripheral blood supply and other problems, prevent hip dislocation and knee and ankle joint contracture, assist critically ill children to stand, walk and move, provide inclusive support opportunities for critically ill children, and promote Critically ill children participate in family, community and school activities.

Description of the drawings

The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. In the attached picture:

Figure 1 is a schematic diagram of the overall structure of the present invention.

Figure 2 is a schematic diagram of the overall structure of the fixed connection between the mobile support frame and the walking aid training device in the present invention.

Figure 3 is a schematic diagram of the overall structure of the fixed connection between the mobile support frame and the step training device in the present invention.

Figure 4 is a schematic diagram of the overall structure of the mobile support frame in the present invention.

Figure 5 is a schematic diagram of the overall structure of the walking aid training device of the present invention.

Figure 6 is a first isometric view of the overall structure of the step training device of the present invention.

Figure 7 is a second isometric view of the overall structure of the step training device of the present invention.

Figure 8 is a schematic structural diagram of the saddle seat lifting adjustment in the present invention.

Figure 9 is a schematic diagram of the overall structure of the pedaling mechanism in the present invention.

Figure 10 is a schematic diagram of the overall structure of the trunk support frame in the present invention.

In the picture: 1-the first pole, 2-the second pole, 3-the first cross-bar, 4-the first leg, 5-the second leg, 6-the second cross-bar, 7-casters, 8 -Connecting frame, 9-parallel frame, 10-positioning column, 11-driving shaft, 12-driving wheel, 13-crank, 14-first connecting rod, 15-sliding block, 16-foot rest, 17-connecting seat, 18-Adjusting frame, 19-Trunk support frame, 20-Lifting frame, 21-Head cushion, 22-Thoracolumbosacral cushion, 23-Lumbar cushion, 2301-Arc splint, 2302-Restraint slot, 2303-Elastic belt, 2304-Restraint belt, 24-Chest stabilizer, 25-Sliding seat, 26-Adjustment screw, 27-Saddle seat, 28-Knee restraint belt, 29-Arrest, 30-First positioning axis, 31- Second positioning shaft, 32-first sliding sleeve, 33-second sliding sleeve, 34-adjusting nut, 35-steering shaft, 36-adjusting rod, 37-first locking piece, 38-steering wheel, 39-auxiliary Push handle, 40-sliding bar, 41-armrest, 42-second locking piece, 43-head restraint belt, 44-ankle auxiliary belt, 45-ankle pad, 46-first connecting belt, 47-th Two connecting belts, 48-motor, 49-first gear, 50-first screw, 51-second gear.

Implementation

The present invention will now be described in further detail with reference to the accompanying drawings. The accompanying drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the structures related to the present invention.

Referring to Figures 1-10, the present invention includes a mobile support frame, a walking training device and a stepping training device;

The mobile support frame includes a first frame pole 1 and a second frame pole 2. A first cross bar 3 is fixedly connected between the first frame pole 1 and the second frame pole 2 to form a U-shaped frame. The frame rod 1 is provided with a first leg 4 that can be adjusted along its axial direction, and the second frame rod 2 is provided with a second leg 5 that is adjustable along its axial direction. The first leg 4 and A second crossbar 6 is fixedly connected between the second legs 5. The lower ends of the first support pole 1, the second support pole 2, the first leg 4 and the second support leg 5 are all fixedly connected with a pair of legs. Braked casters 7;

As a support and movement of the overall device, the mobile support frame should have a certain strength. The first frame rod 1, the second frame rod 2, the first cross bar 3, the first leg 4 and the second leg 5 are all made of stainless steel. Made, the first leg 4 and the second leg 5 are fixedly connected through the second crossbar 6 to facilitate the adjustment of the first leg 4 and the second leg 5 together. The first leg 4 is on the first frame. While sliding and adjusting on the rod 1, the second leg 5 slides and adjusts on the second frame rod 2, so that the height of the first crossbar 3 can be adjusted. When the walking trainer and the step trainer are used, they are both The first crossbar 3 is fixedly connected. When the height of the first crossbar 3 is adjusted, the walking trainer and the step trainer can be height-adjusted according to different patients. The casters 7 with foot brakes can move the entire device. , when a stable stop is required, the entire device can be locked through the foot brake.

The step training device includes a connecting frame 8, which is fixedly and detachably connected to the movable support frame. The front end of the connecting frame 8 is fixedly connected to a parallel frame 9, and the front end of the parallel frame 9 is fixedly connected. There is a positioning column 10, a steering assembly is rotatably connected to the positioning column 10, a driving shaft 11 is rotatably connected to the connecting frame 8, a driving wheel 12 is fixedly connected to the driving shaft 11, and the left and right sides of the driving wheel 12 are There are pedaling mechanisms with the same structure on both sides. The pedaling mechanism includes a crank 13 fixedly connected to the driving shaft 11. The end of the crank 13 away from the driving shaft 11 is rotatably connected to a first connecting rod 14. The first connecting rod The end of 14 away from the crank 13 is rotatably connected to a slider 15, and the first connecting rod 14 is fixedly connected to a footrest 16 that can be adjusted along its axial direction;

When the step trainer is in use, it is fixedly connected to the first crossbar 3 through the connecting frame 8. After the step trainer is connected and fixed, the patient's feet are placed on the footrest 16 and fixed. The footrest 16 is equipped with a fixing strap for alignment. To fix the patient, the footrest 16 can be measured according to the size of the patient's foot. The crank 13, the first connecting rod 14 and the slider 15 constitute a crank sliding mechanism. When the patient performs stepping training, the slider 15 will move on the parallel frame 9 It slides back and forth, and at the same time, the crank 13 will rotate and drive the driving wheel 12 to rotate. When the driving wheel 12 rotates, it will drive the entire device to move. The entire device can be steered through the steering assembly when moving.

The walking aid training device includes a connecting base 17, which is fixedly and detachably connected to the mobile support frame. The connecting base 17 is provided with an adjustable frame 18 that can be lifted and lowered. A trunk support frame 19 is fixedly connected, and a height-adjustable lifting frame 20 is provided inside the trunk support frame 19. A headrest cushion 21 is fixedly connected to the lifting frame 20, and a thorax and waist are fixedly connected to the trunk support frame 19. The sacral cushion 22, the lumbar cushion 23 and the chest stabilizer 24. The thoracolumbosacral cushion 22 is above the lumbar cushion 23. The trunk support frame 19 is vertically slidably connected with a sliding seat 25. The sliding seat 25 is threadedly connected to an adjusting screw 26 that is rotatably connected to the trunk support frame 19. The slide seat 25 is fixedly connected to a detachable saddle seat 27. The left and right sides of the trunk support frame 19 are fixedly connected to knee joints. Department limit belt 28.

When the walking aid training device is in use, it is fixedly connected to the first crossbar 3 through the connecting seat 17. After the walking aid training device is connected and fixed, the height of the adjusting frame 18 can be adjusted according to the height of different children. The height of the adjusting frame 18 When adjusting, the drive stem support frame 19 will be driven to adjust. The drive stem support frame 19 is threaded with locking screws. The lifting frame 20 can be raised and lowered in the drive stem support frame 19. After the height of the lifting frame 20 is adjusted, The lifting frame 20 is locked by the locking screw. At this time, the head cushion 21 can be placed correspondingly to the patient's head, so that the head cushion 21 limits the patient's head. The thoracolumbar and sacral cushions 22, lumbar spine cushions 23 and The chest stabilizer 24 can limit the position of the patient's body, and a trunk wrap can be tailored according to the child's age to maintain the stability of the child's trunk. The chest stabilizer 24 is similar to the front protective device of a normal children's stroller. It can limit children's excessive forward bending of the body, and can also be used as a hand support when standing; the height of the trunk support frame 19 can be adjusted to meet the needs of children's growth and development; the saddle seat 27 and the sliding seat 25 are detachably connected. After the chair 27 and the sliding seat 25 are fixed, the height of the saddle seat 27 can be adjusted by adjusting the height of the sliding seat 25. The width of the saddle seat 27 is provided with two sizes, the narrow one is used for weight reduction and The lower limbs are restricted from crossing and cannot be used. The wide size is used for sitting after fatigue and stretching of the adductor muscles. Specifically, the adjusting screw 26 and the sliding seat 25 constitute a screw nut structure. When the adjusting screw 26 is rotated, the sliding The seat 25 can be adjusted up and down; the knee attachment is equipped with a knee restraint belt 28, which is fixed on both sides of the trunk support frame 19 to limit internal knee rotation; to ensure that the lower limbs maintain hip joints during pedaling. Abduction and external rotation promotes acetabular development and prevents hip dislocation.

Furthermore, in order to adjust the distance between the two pedaling mechanisms, a first positioning shaft 30 is fixedly connected to the slider 15 , and a second positioning shaft 31 is fixedly connected to the end of the crank 13 away from the drive shaft 11 , one end of the first connecting rod 14 is fixedly connected to a first sliding sleeve 32 that is sleeved on the first positioning shaft 30 , and the other end of the first connecting rod 14 is fixedly connected to a first sliding sleeve 32 that is sleeved on the second positioning shaft 31 The second sliding sleeve 33 has an adjusting nut 34 threadedly connected to the first positioning shaft 31 , and the adjusting nut 34 is rotationally connected to the first sliding sleeve 32 .

The two pedal mechanisms can be adjusted according to different children during use. The width of the two pedal mechanisms is wider than the normal pedal width, and the distance between the two pedal mechanisms is the same as the hip width. The front part of the pedal can be rotated outward to correct hip internal rotation and The foot pronates and inverts; specifically, when adjusting the width of the two pedaling mechanisms, the adjusting nut 34 is rotated. The adjusting nut 34 and the first positioning shaft 30 form a screw nut structure. When the adjusting nut 34 is rotated, the The first sliding sleeve 32 slides and adjusts on the first positioning shaft 30. At this time, the second sliding sleeve 33 slides on the second positioning shaft 31 to play a position limiting role.

Specifically, the left and right sides of the saddle-shaped seat cushion 27 are fixedly connected with armrests 29, and the ends of the armrests 29 are fixedly connected with transverse grips or vertical grips.

Specifically, the steering assembly includes a steering shaft 35 that is rotatably connected to the positioning column 10 . The steering shaft 35 is provided with an adjustment rod 36 that can slide and adjust along the axial direction of the steering shaft 35 . The adjustment rod 36 and the steering shaft 35 There is a first locking member 37 between them. The steering shaft 35 penetrates downwardly through the positioning column 10 and is fixedly connected to the steering wheel 38. The upper end of the adjusting rod 36 is fixedly connected to an auxiliary push handle 39. When children are performing step training, the whole device will move. At this time, the whole device can be turned during movement by rotating the steering shaft 35. According to the height of the user, the height of the adjustment rod 36 can be adjusted to realize the adjustment of the auxiliary pusher 39. To adjust the height, when in use, the child's hands are placed on both sides of the auxiliary pusher 39 to facilitate the steering of the adjustment rod 36. When adjusting the height of the auxiliary pusher 39, the first locking member 37 can be loosened, and then Tick the adjusting rod 36 up and down in the steering shaft 35. After the adjusting rod 36 is adjusted to a suitable height, it is locked by the first locking member 37.

Among them, in order to make it convenient for caregivers of different heights to take care of patients, the first cross bar 3 is fixedly connected with two left-right symmetrical slide bars 40, and the two slide bars 40 are provided with a structure that can move along the axial direction of the slide bar 40. The armrest 41 is slidably connected, and a second locking member 42 is provided between the armrest 41 and the sliding rod 40 .

When adjusting the height of the armrest 41, the second locking part 42 can be opened, and then the armrest 41 slides up and down on the slide bar 40 to adjust the height. When the height is adjusted to a suitable position, the second locking part 42 is used again. Locking fixation.

Specifically, in order to achieve the fixation of the child's chest and waist, the head cushion 21 is fixedly connected with a head restraint belt 43. The lumbar cushion 23 includes two arc-shaped splints 2301, and the two arc-shaped splints 2301 are arranged front and rear, left and right. Constraint grooves 2302 will be formed at both ends. The left or right ends of the two arc-shaped splints 2301 are connected by an elastic band 2303. An adjustable constraint strap 2304 is fixedly connected between the two arc-shaped splints 2301.

When limiting the child's thoracolumbar region, the patient's head is placed on the headrest cushion 21. The head restraint belt 43 can fix the child's head when needed, and an arc splint 2301 is placed behind the child's back. Another arc-shaped splint 2301 is placed on the child's chest, and then the two arc-shaped splints 2301 are fixed by the restraint belt 2304 to limit and fix the child's chest and waist.

Furthermore, in order to facilitate the guidance of children to place their feet laterally after taking steps, the first and second support poles 1 and 2 are fixedly connected with ankle auxiliary belts 44, and the ankle auxiliary belts 44 are fixed to each other. An ankle pad 45 is connected to the ankle pad 45. A first connecting strap 46 and a second connecting strap 47 are fixedly connected to the ankle pad 45. The first connecting strap 46 and the second connecting strap 47 are connected by Velcro. .

When the patient performs walking assistance training, the ankles of the child's legs are limited by the ankle auxiliary belts 44. Specifically, the ankle pads 45 are placed on the child's ankles, and the first connecting belt 46 and the second connecting belt 46 are placed on the child's ankles. The connecting strap 47 goes around the child's ankle and is connected and fixed through Velcro.

Specifically, in order to adjust the height of the adjusting frame 18, a motor 48 is fixedly connected to the connecting base 17, a first gear 49 is fixedly connected to the output end of the motor 48, and a first gear 49 is fixedly connected to the output end of the motor 48. The adjusting frame 18 is fixedly connected to A first screw 50 is arranged vertically. A second gear 51 meshing with the first gear 49 is threadedly connected to the first screw 50 . The second gear 51 is rotationally connected to the connecting base 17 .

The first screw 50 and the second gear 51 form a screw nut structure. When the motor 48 is started, the motor 48 will drive the first gear 49 to rotate, and the first gear 49 will drive the second gear 51 meshed with it to rotate. When the second gear 51 rotates, it will drive the first screw 50 to move vertically for adjustment. At the same time, the first screw 50 will drive the adjustment frame 18 fixedly connected with it to adjust the height vertically on the connecting base 17 .

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still The technical solutions described in the foregoing embodiments may be modified, or some of the technical features may be equivalently replaced. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. A head and trunk control system for children with neurologically severe disease, including a mobile support frame, a walking training device and a stepping training device; it is characterized by: The mobile support frame includes a first frame rod (1) and a second frame rod (2). A first horizontal rod (3) is fixedly connected between the first frame rod (1) and the second frame rod (2). ) to form a U-shaped frame, the first frame rod (1) is provided with a first leg (4) that can be adjusted along its axial direction, and the second frame rod (2) is provided with a first leg (4) that can be adjusted along its axial direction. Adjustable second leg (5), a second crossbar (6) is fixedly connected between the first leg (4) and the second leg (5), the first frame rod (1), The lower ends of the second frame rod (2), the first leg (4) and the second leg (5) are all fixedly connected with casters (7) with foot brakes; The step training device includes a connecting frame (8), which is fixedly and detachably connected to the movable support frame, and a parallel frame (9) is fixedly connected to the front end of the connecting frame (8), so A positioning column (10) is fixedly connected to the front end of the parallel frame (9), a steering assembly is rotatably connected to the positioning column (10), a drive shaft (11) is rotatably connected to the connecting frame (8), and the A driving wheel (12) is fixedly connected to the driving shaft (11), and a pedaling mechanism with the same structure is provided on the left and right sides of the driving wheel (12). The pedaling mechanism includes a crank (12) fixedly connected to the driving shaft (11). 13), the end of the crank (13) away from the drive shaft (11) is rotatably connected to a first connecting rod (14), and the end of the first connecting rod (14) away from the crank (13) is rotatably connected to a slider ( 15), the first connecting rod (14) is fixedly connected with a footrest (16) that can be adjusted along its axial direction; The walking aid training device includes a connecting seat (17), which is fixedly and detachably connected to the mobile support frame. The connecting seat (17) is provided with an adjustment frame (18) that can be lifted and lowered. ), a trunk support frame (19) is fixedly connected to the adjustment frame (18), and a height-adjustable lifting frame (20) is provided in the trunk support frame (19). The lifting frame (20) is fixed on A head cushion (21) is connected to the trunk support frame (19), and a thoracolumbosacral cushion (22), a lumbar spine cushion (23) and a chest stabilizer (24) are fixedly connected to the trunk support frame (19). (22) Above the lumbar spine cushion (23), the trunk support frame (19) is vertically slidably connected to a sliding seat (25), and the sliding seat (25) is threadedly connected to the trunk support frame (19). The adjusting screw (26) is connected by rotation, the sliding seat (25) is fixedly connected with a detachable saddle seat (27), and the left and right sides of the trunk support frame (19) are fixedly connected with knee restraints. With (28). 2. The head and trunk control system for neurologically severe children according to claim 1, characterized in that the slider (15) is fixedly connected with a first positioning shaft (30), and the crank (13) is far away from the drive. One end of the shaft (11) is fixedly connected to the second positioning shaft (31), and one end of the first connecting rod (14) is fixedly connected to the first sliding sleeve (32) sleeved on the first positioning shaft (30). The other end of the first connecting rod (14) is fixedly connected with a second sliding sleeve (33) that is sleeved on the second positioning shaft (31), and an adjusting nut is threaded on the first positioning shaft (31). (34), the adjusting nut (34) is rotationally connected to the first sliding sleeve (32). 3. The head and trunk control system for neurologically severe children according to claim 1, characterized in that armrests (29) are fixedly connected to the left and right sides of the saddle-shaped seat cushion (27), and the armrests (29) are The end is fixedly connected with a horizontal grip rod or a vertical grip rod. 4. The head and trunk control system for neurologically severe children according to claim 1, characterized in that the steering assembly includes a steering shaft (35) rotatably connected to the positioning column (10), and the steering shaft (35) There is an adjusting rod (36) that can be slid and adjusted along the axial direction of the steering shaft (35). A first locking piece (37) is provided between the adjusting rod (36) and the steering shaft (35). The shaft (35) penetrates downwardly through the positioning column (10) and is fixedly connected with the steering wheel (38). The upper end of the adjustment rod (36) is fixedly connected with an auxiliary pusher (39). 5. The head and trunk control system for neurologically severe children according to claim 1, characterized in that two left-right symmetrical sliding rods (40) are fixedly connected to the first crossbar (3), and the two sliding rods (40) are fixedly connected to the first crossbar (3). The rod (40) is provided with an armrest (41) that can be slidably connected along the axial direction of the sliding rod (40). A second locking piece (42) is provided between the armrest (41) and the sliding rod (40). 6. The head and trunk control system for neurologically severe children according to claim 1, characterized in that a head restraint belt (43) is fixedly connected to the head cushion (21), and the lumbar cushion (23) includes: Two arc-shaped splints (2301). After the two arc-shaped splints (2301) are set front and back, constraint grooves (2302) will be formed at the left and right ends. The left or right ends of the two arc-shaped splints (2301) are connected by an elastic band (2303). , an adjustable restraint belt (2304) is fixedly connected between the two arc-shaped splints (2301). 7. The head and trunk control system for neurologically severe children according to claim 1, characterized in that, the first support rod (1) and the second support rod (2) are fixedly connected with an ankle auxiliary belt ( 44), the ankle auxiliary belt (44) is fixedly connected to an ankle protective pad (45), and the ankle protective pad (45) is fixedly connected to a first connecting belt (46) and a second connecting belt. (47), the first connecting belt (46) and the second connecting belt (47) are connected through Velcro. 8. The head and trunk control system for neurologically severe children according to claim 1, characterized in that a motor (48) is fixedly connected to the connection base (17), and the output end of the motor (48) is fixedly connected. There is a first gear (49). The adjustment frame (18) is fixedly connected with a vertically arranged first screw (50). The first screw (50) is threadedly connected with the first gear (49). ) meshing second gear (51), the second gear (51) is rotationally connected to the connecting seat (17).