阅读说明：本技术 吞咽障碍姿势调整装置 (Swallowing disorder posture adjusting device ) 是由 朱美红 余国 时美芳 郑叶平 沈雅萍 陈晓燕 于 2020-06-20 设计创作，主要内容包括：本发明涉及医疗辅助器具,公开了一种吞咽障碍姿势调整装置,包括倚靠装置和调节机构,所述的倚靠装置包括背靠基座、连杆和可活动的头靠基座,所述连杆呈弯折结构,其一端与背靠基座固定连接,另一端为自由端；所述的头靠基座安装在调节机构上,所述调节机构安装在连杆上并沿着连杆上下移动。本装置可以根据不同患者的体型、身高,不同的姿势等,设置个体化的高度和角度,调整最佳的姿势,达到最理想的吞咽效果。(The invention relates to a medical auxiliary appliance, and discloses a swallowing disorder posture adjusting device which comprises a leaning device and an adjusting mechanism, wherein the leaning device comprises a backrest base, a connecting rod and a movable headrest base, the connecting rod is of a bent structure, one end of the connecting rod is fixedly connected with the backrest base, and the other end of the connecting rod is a free end; the headrest base is arranged on an adjusting mechanism, and the adjusting mechanism is arranged on a connecting rod and moves up and down along the connecting rod. The device can set individual height and angle according to the body types, heights, different postures and the like of different patients, adjust the optimal posture and achieve the optimal swallowing effect.)

1. A dysphagia posture adjusting device is characterized by comprising a leaning device and an adjusting mechanism, wherein the leaning device comprises a backrest base, a connecting rod and a movable headrest base, the connecting rod is of a bending structure, one end of the connecting rod is fixedly connected with the backrest base, and the other end of the connecting rod is a free end; the headrest base is arranged on an adjusting mechanism, and the adjusting mechanism is arranged on a connecting rod and moves up and down along the connecting rod.

2. A dysphagia posture adjusting device according to claim 1, wherein the headrest base is a curved arc plate, the side wall of the headrest base opposite to the bending direction is provided with two support sliding seats connected with the adjusting mechanism, the two support sliding seats are arranged in parallel, the two support sliding seats are symmetrically distributed by taking the connecting rod as a symmetrical center, the middle of the support sliding seats is a hollow structure, the hollow structure is a rectangular hole structure, and the rectangular hole structure extends along the extending direction of the support sliding seats; the inner wall of the rectangular hole structure is provided with a sliding chute; the upper surface of the backrest base is provided with a concave structure, and the lower surface of the backrest base is of a smooth plane structure.

3. A dysphagia posture adjustment device according to claim 2, wherein the adjustment mechanism comprises a collar and a mounting bracket; the mounting rack comprises a left mounting rack and a right mounting rack, and L-shaped notches are respectively formed in the opposite side surfaces of the left mounting rack and the right mounting rack; the lantern ring include lantern ring body and locating piece, lantern ring body and locating piece structure as an organic whole, the locating piece install between left side mounting bracket and right side mounting bracket, the lantern ring body be located the notch department that forms by the breach concatenation of "L" type.

4. A dysphagia posture adjustment device according to claim 3, wherein the side walls of the left side mounting rack and the right side mounting rack are provided with limit blocks, the position of the limit blocks corresponds to the position of the support sliding seat, and the limit blocks are embedded at the rectangular hole structure; the height of the limiting block is matched with that of the rectangular hole structure of the supporting sliding seat; the width of the limiting block is matched with the depth of the rectangular hole structure; the limiting blocks comprise a first limiting block, a second limiting block, a third limiting block and a fourth limiting block; the first limiting block and the second limiting block are arranged on the side wall of the left mounting frame in parallel, and the third limiting block and the fourth limiting block are arranged on the side wall of the right mounting frame in parallel; the first limiting block and the fourth limiting block as well as the second limiting block and the third limiting block are symmetrically distributed by taking the lantern ring body as a center; the distance between the first limiting block and the second limiting block and the distance between the third limiting block and the fourth limiting block are both smaller than the length of the rectangular hole structure.

5. A dysphagia posture adjustment device according to claim 4, wherein the upper and lower end faces of the first, second, third and fourth limit blocks are provided with fixture blocks, and the width of the chute on the rectangular hole structure is adapted to the width of the fixture blocks.

6. A dysphagia posture adjustment device according to claim 3, wherein the left side mounting bracket and the right side mounting bracket are provided with threaded holes, the positioning block of the collar is provided with through holes, and the side edges of the left side mounting bracket and the right side mounting bracket are also provided with baffles, including a first baffle and a second baffle; the first baffle is adjacent to the left mounting rack, the second baffle is adjacent to the right mounting rack, and threaded holes are also formed in the first baffle and the second baffle; the left side mounting bracket, the right side mounting bracket, the locating piece and the baffle utilize adjusting screw to connect, adjusting screw pass first baffle, left side mounting bracket, locating piece, right side mounting bracket and second baffle in proper order, adjusting screw respectively with left side mounting bracket, right side mounting bracket, first baffle and second baffle threaded connection.

7. A dysphagia posture adjusting device according to claim 3, wherein the side wall of the lantern ring body relative to the positioning block is provided with a slot, two opposite end faces of the slot are communicated with each other, one end face is an opening communicated with the outside, the end face opposite to the opening is provided with a squeezing piece, the squeezing piece and the lantern ring body are of an integral structure, and the slot is provided with a locking mechanism; the locking mechanism comprises a positioning rod and an eccentric locking block sleeved on the positioning rod, the positioning rod is fixed on the central lines of two opposite side walls of the groove, limiting clamping blocks are further arranged on the two side walls of the groove, and the limiting clamping blocks are located on the open end faces of the groove.

8. A dysphagia posture adjusting device according to claim 2, wherein a back cushion is mounted at the concave structure of the upper surface of the backrest base, and a head cushion is mounted on the side wall of the headrest base in the bending direction; the upper surface of the backrest base comprises a middle section and bending sections, and the bending sections are arranged on two sides of the middle section; the included angle between the bending section and the middle section ranges from 140 degrees to 150 degrees.

9. A dysphagia posture adjusting device according to claim 2, wherein the connecting rod comprises an upper rod and a lower rod, the backrest base is fixedly connected with one end of the lower rod, the headrest base is mounted on the upper rod by an adjusting mechanism, and the included angle between the upper rod and the lower rod ranges from 130 degrees to 140 degrees; a plane parallel to the upper rod and on which connecting lines of the two end parts of the arc-shaped plate are located is a first plane; the plane perpendicular to the upper surface of the supporting sliding seat and on which the connecting line of one end of the arc-shaped plate and the lowest point of the arc-shaped plate is located is a second plane, and the included angle alpha between the first plane and the second plane is 30 degrees.

10. A dysphagia posture adjustment device according to claim 9, wherein the upper rod is provided with a first size scale on a side wall thereof and the support slide is provided with a second size scale on an upper surface thereof.

Technical Field

The invention relates to a medical auxiliary appliance, in particular to a swallowing disorder posture adjusting device.

Background

Currently, swallowing disorders occur clinically in many diseases, such as central nervous system diseases: such as cerebral apoplexy, Parkinson's disease, radiation encephalopathy, brain trauma, etc.; cranial neuropathy: it is seen in multiple sclerosis, motor neuron disease, Guillain-Barre syndrome, etc. The main cause of swallowing dysfunction is delayed voluntary tongue muscle movement initiation time, and decreased muscular coordinated motor function associated with swallowing. No special swallowing disorder posture adjusting device equipment exists clinically in the prior art, the posture adjustment is completed only by lifting of a sickbed and a pillow, and the posture adjustment is difficult to ensure that a patient with swallowing disorder is in a correct posture and achieve the effect of assisting swallowing.

Disclosure of Invention

The invention aims to provide a swallowing disorder posture adjusting device.

The invention solves the problems that no special swallowing disorder posture adjusting device is clinically available at present, the posture adjustment is completed only by lifting of a sickbed and a pillow, and the posture adjustment is difficult to ensure that a patient with swallowing disorder is in a correct posture and achieve an auxiliary swallowing effect.

The technical scheme adopted by the invention for solving the technical problems is as follows: the reclining device comprises a backrest base, a connecting rod and a movable headrest base, wherein the connecting rod is of a bent structure, one end of the connecting rod is fixedly connected with the backrest base, and the other end of the connecting rod is a free end; the headrest base is arranged on an adjusting mechanism, and the adjusting mechanism is arranged on a connecting rod and moves up and down along the connecting rod.

The device provides support for the head and back of the patient, and the position of the head affects the swallowing effect. The distance between the lower jaw and the sternum can thus be adjusted for the patient by setting the adjustment mechanism. Meanwhile, the device is also suitable for the sitting and lying states of the patient. The posture of the trunk and the posture of the head and neck and other parts are adjusted by the adjusting device, so that the trend and the size of the cavity diameter of a swallowing channel of a patient and the position change and movement of the swallowing organ composition structure of the larynx, the tongue, the arytenoid cartilage and the like can be realized, the aspiration and the residue are avoided, the symptoms such as choke cough and the like are eliminated, the effect is instant, and the dysphagia patient can keep good posture training and safe body position for taking food.

Furthermore, the headrest base is a curved arc-shaped plate, two support sliding seats connected with the adjusting mechanism are arranged on the side wall of the headrest base opposite to the bending direction, the two support sliding seats are arranged in parallel, the two support sliding seats are symmetrically distributed by taking the connecting rod as a symmetric center, the middle of each support sliding seat is of a hollow structure, the hollow structure is of a rectangular hole structure, and the rectangular hole structure extends along the extending direction of the support sliding seats; the inner wall of the rectangular hole structure is provided with a sliding chute; the upper surface of the backrest base is provided with a concave structure, and the lower surface of the backrest base is of a smooth plane structure.

Furthermore, the adjusting mechanism comprises a lantern ring and a mounting rack; the mounting rack comprises a left mounting rack and a right mounting rack, and L-shaped notches are respectively formed in the opposite side surfaces of the left mounting rack and the right mounting rack; the lantern ring include lantern ring body and locating piece, lantern ring body and locating piece structure as an organic whole, the locating piece install between left side mounting bracket and right side mounting bracket, the lantern ring body be located the notch department that forms by the breach concatenation of "L" type.

Furthermore, the side walls of the left mounting rack and the right mounting rack are respectively provided with a limiting block, the position of each limiting block corresponds to the position of the support sliding seat, and the limiting blocks are embedded in the rectangular hole structures; the height of the limiting block is matched with that of the rectangular hole structure of the supporting sliding seat; the width of the limiting block is matched with the depth of the rectangular hole structure; the limiting blocks comprise a first limiting block, a second limiting block, a third limiting block and a fourth limiting block; the first limiting block and the second limiting block are arranged on the side wall of the left mounting frame in parallel, and the third limiting block and the fourth limiting block are arranged on the side wall of the right mounting frame in parallel; the first limiting block and the fourth limiting block as well as the second limiting block and the third limiting block are symmetrically distributed by taking the lantern ring body as a center; the distance between the first limiting block and the second limiting block and the distance between the third limiting block and the fourth limiting block are both smaller than the length of the rectangular hole structure.

And clamping blocks are arranged on the upper end face and the lower end face of the first limiting block, the second limiting block, the third limiting block and the fourth limiting block, and the width of the sliding groove in the rectangular hole structure is matched with that of the clamping blocks.

Furthermore, threaded holes are formed in the left mounting frame and the right mounting frame, through holes are formed in positioning blocks of the lantern ring, and baffles are further mounted on the side edges of the left mounting frame and the right mounting frame and comprise a first baffle and a second baffle, the first baffle is adjacent to the left mounting frame, the second baffle is adjacent to the right mounting frame, and threaded holes are also formed in the first baffle and the second baffle; the left side mounting bracket, the right side mounting bracket, the locating piece and the baffle utilize adjusting screw to connect, adjusting screw pass first baffle, left side mounting bracket, locating piece, right side mounting bracket and second baffle in proper order, adjusting screw respectively with left side mounting bracket, right side mounting bracket, first baffle and second baffle threaded connection.

Furthermore, a slot is formed in the side wall, opposite to the positioning block, of the lantern ring body, two opposite end faces of the slot are communicated with each other, one end face is an opening communicated with the outside, a squeezing sheet is arranged on the end face opposite to the opening, the squeezing sheet and the lantern ring body are of an integrated structure, and a locking mechanism is arranged at the slot; the locking mechanism comprises a positioning rod and an eccentric locking block sleeved on the positioning rod, the positioning rod is fixed on the central lines of two opposite side walls of the groove, limiting clamping blocks are further arranged on the two side walls of the groove, and the limiting clamping blocks are located on the open end faces of the groove.

A back cushion block is arranged at the concave structure on the upper surface of the backrest base, and a head cushion block is arranged on the side wall of the headrest base in the bending direction; the upper surface of the backrest base comprises a middle section and bending sections, and the bending sections are arranged on two sides of the middle section; the included angle between the bending section and the middle section ranges from 140 degrees to 150 degrees.

The connecting rod comprises an upper rod and a lower rod, the backrest base is fixedly connected with one end of the lower rod, the headrest base is installed on the upper rod through an adjusting mechanism, and the included angle between the upper rod and the lower rod ranges from 130 degrees to 140 degrees; a plane parallel to the upper rod and on which connecting lines of the two end parts of the arc-shaped plate are located is a first plane; the plane perpendicular to the upper surface of the supporting sliding seat and on which the connecting line of one end of the arc-shaped plate and the lowest point of the arc-shaped plate is located is a second plane, and the included angle alpha between the first plane and the second plane is 30 degrees.

Still further, be equipped with first size scale on the lateral wall of upper boom, the upper surface of supporting the slide also is equipped with second size scale.

The invention has the beneficial effects that:

1. the device can set individual height and angle according to the body types, body heights and the like of different patients, ensures that the distance between the lower jaw and the sternum is 7cm, and achieves the optimal swallowing effect;

2. the structural design of the backrest base and the headrest base is favorable for pressure dispersion, and the head cushion block and the back cushion block are made of medical and civil high-quality superfine fiber high-performance elastic cushions, so that the backrest base and the headrest base are convenient to clean and disinfect and have good air permeability;

3. the arc-shaped plate of the headrest base is designed to help the head and the scapula keep a forward bending position of 30 degrees, relieve the tension of the neck muscles,

preventing aspiration during swallowing;

4. the headrest base can rotate along the adjusting mechanism, can be provided with a lateral position support of a patient for swallowing at a lateral position, and is suitable for patients with one-side glossomycosis and pharyngeal muscle paralysis (the same side of the oral cavity and the pharyngeal portion have residues);

5. in the aspect of treating dysphagia, the neck control training of the device changes the fed neck posture, promotes the proprioception recovery of neck nerve muscles, uses traction reflection and resistance application in the posture control training, can improve the activities of alpha and gamma motor neurons, promotes the activity of neck muscles and increases muscle strength, plays a role in guiding and promoting swallowing, obviously improves and relieves the symptoms of dysphagia, effectively prevents aspiration and asphyxia, obviously reduces the pulmonary infection rate and death rate of the dysphagia after cerebral apoplexy, supplements sufficient nutrition and enhances the resistance of an organism;

6. the device has low manufacturing cost, and is suitable for large-area popularization, such as popularization and use in hospitals of various grades, community hospitals, nursing institutions and families.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic view illustrating a structure of a headrest base according to the present invention.

FIG. 3 is a schematic view of the backrest base of the present invention.

FIG. 4 is a schematic structural diagram of an adjusting mechanism according to the present invention.

FIG. 5 is a second schematic view of the adjusting mechanism of the present invention.

FIG. 6 is a top view of the headrest base of the present invention.

In the figure: 1. a backrest base; 10. a back cushion block; 11. a recessed structure; 12. a middle section; 13. bending the section; 2. a connecting rod; 20. a first size scale; 21. a lower rod; 22. a rod is arranged; 3. a baffle plate; 30. a first baffle plate; 31. a second baffle; 4. 40, eccentric locking block; 41. extruding the sheet; 42. positioning a rod; 43. a collar body; 44. positioning blocks; 45. grooving; 450. a limiting clamping block; 46. a right side mounting rack; 47. a left mounting rack; 48. a notch; 49. a limiting block; 490. a first stopper; 491. a second limiting block; 492. a third limiting block; 493. a fourth limiting block; 494. a clamping block; 495. a threaded hole; 496. perforating; 5. adjusting the screw rod; 6. a headrest base; 60. a head cushion block; 61. a second size scale; 7. a support slide; 70. a rectangular hole structure; 71. a chute.

Detailed Description

The invention is further illustrated by the following figures and examples.

As shown in fig. 1, the present invention includes a reclining device and an adjustment mechanism 4. The leaning device comprises a backrest base 1, a connecting rod 2 and a movable headrest base 6. The connecting rod 2 is of a bending structure, one end of the connecting rod is fixedly connected with the backrest base 1, and the other end of the connecting rod is a free end. The headrest base 6 is mounted on the adjustment mechanism 4, and the adjustment mechanism 4 is mounted on the link 2 and moves up and down along the link 2. The leaning device is used for supporting the back and the head of a patient, and the adjusting mechanism 4 is arranged to be adjusted according to the body types and sitting and lying postures of different patients, so that swallowing is guided and promoted, and the symptoms of swallowing disorder are relieved.

As shown in fig. 1 and 2, the headrest base 6 is a curved arc-shaped plate, a support slide 7 connected with the adjusting mechanism 4 is arranged on a side wall of the headrest base 6 opposite to the bending direction, and two support slides 7 are arranged in parallel. The two support sliders 7 are symmetrically distributed with the connecting rod 2 as a symmetry center. The middle of the supporting slide seat 7 is of a hollow structure, the hollow structure is a rectangular hole structure 70, the rectangular hole structure 70 extends along the extending direction of the supporting slide seat 7, and a sliding groove 71 is arranged on the inner wall of the rectangular hole structure 70.

As shown in fig. 3, the upper surface of the backrest base 1 is provided with a concave structure 11, and the lower surface is a smooth plane structure. The recessed structure 11 is for cooperating with the back cushion block, and the lower surface is in contact with the bed body or the chair back, so that the recessed structure is a plane structure and has the function of a stabilizing device.

As shown in fig. 4 and 5, the adjustment mechanism 4 includes a collar and a mounting bracket. The mounting bracket comprises a left mounting bracket 47 and a right mounting bracket 46, and opposite sides of the left mounting bracket 47 and the right mounting bracket 46 are respectively provided with an L-shaped notch 48. The collar comprises a collar body 43 and a positioning block 44, and the collar body 43 and the positioning block 44 are of an integral structure. The locating block 44 is mounted between the left side mounting bracket 47 and the right side mounting bracket 46, and the collar body 43 is located at the notch formed by splicing L-shaped notches. The adjusting mechanism 4 plays a role in up-and-down movement adjustment and angle adjustment, a lantern ring designed at the position is sleeved on the connecting rod 2, and the headrest base 6 is driven to move up and down through the up-and-down movement of the lantern ring on the connecting rod 2; the left mounting bracket 47 and the right mounting bracket 46 can be rotated on both sides of the collar simultaneously.

As shown in fig. 1 and 4, the side walls of the left mounting bracket 47 and the right mounting bracket 46 are both provided with a limit block 49, the position of the limit block 49 corresponds to the position of the supporting slide seat 7, and the limit block 49 is embedded in the rectangular hole structure 70. The height of the stop block 49 is adapted to the height of the rectangular hole structure 70 of the support slide 7. The width of the stop block 49 is adapted to the depth of the rectangular aperture arrangement 70. The stop block 49 includes a first stop block 490, a second stop block 491, a third stop block 492, and a fourth stop block 493. The first limiting block 490 and the second limiting block 491 are disposed in parallel on the sidewall of the left side mounting bracket 47, and the third limiting block 492 and the fourth limiting block 493 are disposed in parallel on the sidewall of the right side mounting bracket 46. The first limiting block 490, the fourth limiting block 493, the second limiting block 491 and the third limiting block 492 are symmetrically distributed with the lantern ring body 43 as the center. In order to ensure the headrest base 6 has a space for adjusting back and forth, the distance between the first and second stoppers 490 and 491 and the distance between the third and fourth stoppers 492 and 493 are smaller than the length of the rectangular hole structure 70.

As shown in fig. 1 and fig. 4, the upper and lower end surfaces of the first limiting block 490, the second limiting block 491, the third limiting block 492 and the fourth limiting block 493 are respectively provided with a fixture block 494, and the width of the sliding groove 71 on the rectangular hole structure 70 is adapted to the width of the fixture block 494. The supporting sliding seat 7 can freely slide on a limiting block 49 of the mounting rack so as to adjust the front and back positions of the headrest base 6, and after the position is determined, the baffle 3 is required to fix the position of the supporting sliding seat 7.

As shown in fig. 1, 4 and 5, threaded holes 495 are formed in the left mounting bracket 47 and the right mounting bracket 46, through holes 496 are formed in the positioning blocks 44 of the collars, and baffle plates 3 are further mounted on the sides of the left mounting bracket 47 and the right mounting bracket 46 and include a first baffle plate 30 and a second baffle plate 31, the first baffle plate 30 is adjacent to the left mounting bracket 47, and the second baffle plate 31 is adjacent to the right mounting bracket 46. The first baffle 30 and the second baffle 31 are also provided with threaded holes. The left mounting bracket 47, the right mounting bracket 46, the positioning block 44 and the baffle are connected by an adjusting screw 5. Adjusting screw 5 passes through first baffle 30, left side mounting bracket 47, locating piece 44, right side mounting bracket 46 and second baffle 31 in proper order, and adjusting screw 5 is threaded connection with left side mounting bracket 47, right side mounting bracket 46, first baffle 30 and second baffle 31 respectively. After the adjusting screw 5 is in threaded connection with the left mounting frame 47, the right mounting frame 46, the first baffle 30 and the second baffle 31, the rotation angles of the left mounting frame 47 and the right mounting frame 46 can be limited, and the back and forth movement of the supporting slide 7 is also limited. First baffle 30 and second baffle 31 play the reinforced effect of secondary, avoid headrest base 6 when using, because factors such as atress direction skew cause left side mounting bracket 47 and right side mounting bracket 46 to deflect to drive headrest base 6 and take place the skew, support the not hard up two of slide 7 and slide, be unfavorable for this device of patient's normal use.

As shown in fig. 4 and 5, the side wall of the collar body 43 opposite to the positioning block 44 is provided with a slot 45, two opposite end surfaces of the slot 45 are mutually communicated, and one end surface is an opening communicated with the outside. The end face opposite to the opening is provided with a squeezing sheet 41, and the squeezing sheet 41 and the collar body 43 are of an integral structure. The slot 45 is provided with a locking mechanism, the locking mechanism comprises a positioning rod 42 and an eccentric locking block 40 sleeved on the positioning rod 42, the positioning rod 42 is fixed on the central line of two opposite side walls of the slot 45, two side walls of the slot 45 are provided with limiting clamping blocks 450, and the limiting clamping blocks 450 are positioned on the opening end surface of the slot 45. When in use, if the abutting end of the eccentric locking block 40 contacts with the pressing piece 41, the pressing piece 41 is pressed by the eccentric locking block 40, so that the inner wall of the lantern ring body is in close contact with the connecting rod 2, the friction force is increased, and the lantern ring body 43 is positioned at the connecting rod 2. The limiting fixture block 450 can limit the eccentric locking block 40 from being positioned at the slot 45 and not being turned over under the influence of external force. When the position of the lantern ring on the connecting rod 2 needs to be adjusted, the eccentric locking block 40 turns over along the positioning rod 42 towards the opening direction of the slot 45, the limitation of the limiting clamping block 450 is released, at the moment, the abutting end of the eccentric locking block 40 is separated from the pressing sheet 41, the pressure between the inner wall of the lantern ring body 43 and the connecting rod 2 is released, and the lantern ring can freely slide on the connecting rod 2.

As shown in fig. 1 and 3, a back cushion block 10 is installed at the recessed structure 11 of the upper surface of the backrest base 1, and a head cushion block 60 is installed on the side wall of the headrest base 6 in the bending direction. As shown in fig. 3, the upper surface of the backrest base 1 includes an intermediate section 13 and a bending section 12, the bending section 12 is disposed at two sides of the intermediate section 13, and an included angle between the bending section 13 and the intermediate section 12 ranges from 140 ° to 150 °. The bending design of the backrest base 1 can play a role in dispersing pressure, so that the back of a patient is supported at multiple angles, and the situation that the back is concentrated in stress to cause local muscle soreness is avoided.

As shown in fig. 3, the link 2 includes an upper rod 22 and a lower rod 21. The backrest base 1 is fixedly connected with one end of the lower rod 21, the headrest base 6 is installed on the upper rod 22 through the adjusting mechanism 4, and the included angle between the upper rod 22 and the lower rod 21 ranges from 130 degrees to 140 degrees. The angle between the upper rod 22 and the lower rod 21 is controlled to ensure that the distance between the lower jaw and the sternum is 7cm, so that the optimal swallowing effect is achieved. As shown in fig. 6, a plane parallel to the upper rod 2, on which a line L1 connecting both ends of the arc-shaped plate is located, is a first plane; the plane perpendicular to the upper surface of the supporting slide seat 7, in which a connecting line L2 between one end A of the arc-shaped plate and the lowest point B of the arc-shaped plate is located, is a second plane, and an included angle alpha between the first plane and the second plane is 30 degrees.

As shown in fig. 1, the side wall of the upper rod 22 is provided with a first dimension scale 20, and the upper surface of the support slider 7 is also provided with a second dimension scale 61. The first size scale 20 and the second size scale 61 can provide a data reading function so that the next adjustment can be reset according to the previous data.

The use principle of the invention is as follows: first, the adjustment of the front-rear distance of the headrest base 6 releases the adjustment screw 5, and the first and second shutters 30 and 31 are separated from the support slider 7, respectively. The supporting slide 7 can move freely back and forth by using the sliding groove 71 and the latch 494, thereby driving the headrest base 6 to move back and forth. Secondly, the angle of the headrest base 6 is adjusted so that the support slide 7 on the headrest base 6 is substantially near perpendicular to the upper bar 2 if the patient is in a sitting position. If the patient is in the supine position, the left mounting bracket 47 and the right mounting bracket 46 need to rotate around the adjusting screw 5, and the supporting slide 7 connected with the left mounting bracket and the right mounting bracket is driven to rotate around the adjusting screw 5. After the position is determined, the adjusting screw 5 is in threaded connection with the left mounting rack 47, the right mounting rack 46, the first baffle 30 and the second baffle 31 and is screwed, so that the effect that the supporting slide carriage 7 cannot rotate and move is achieved. Finally, the headrest base 6 needs to be adjusted in height according to the body size of the patient, so that the effect of matching with the head of the patient is ensured. At this point, the locking mechanism is adjusted to allow secure engagement or disengagement of the collar with the upper rod 22. When the locking mechanism is in a locking state, the lantern ring is tightly connected with the upper rod 22, and the position of the headrest base 6 is determined. After the device is adjusted, the back of the patient is leaned on the backrest base 1, the head of the patient is leaned on the headrest base 6, and the lower jaw and the sternum are in the most rational posture to keep the optimal distance.

The device can change and move the trend and the cavity diameter of a swallowing channel of a patient and the position of the swallowing organ composition structure of the larynx, the tongue, the arytenoid cartilage and the like through the posture adjustment of the body posture, the head and the neck and the like, thereby avoiding aspiration and residue, eliminating symptoms such as choking cough and the like, having instant effect and enabling a patient with swallowing disorder to keep good posture training and safe body position for eating. The device can prevent aspiration and asphyxia, remarkably reduce the lung infection rate and death rate of dysphagia after stroke, supplement sufficient nutrition and enhance the body resistance.