Pediatric internal medicine lung function rehabilitation physiotherapy device

Abstract

The invention discloses a pediatric internal medicine lung function rehabilitation physical therapy device which comprises a fixing cylinder, a connecting pipe is fixedly connected to the central side wall of the fixing cylinder, a mouth cover is fixedly connected to one end of the connecting pipe, and a first electric telescopic rod and a second electric telescopic rod are fixedly connected to the upper end and the lower end of the fixing cylinder respectively. The output end of the first electric telescopic rod and the output end of the second electric telescopic rod are fixedly connected with a first connecting plate and a second connecting plate correspondingly, and the side wall of the first connecting plate and the side wall of the second connecting plate are fixedly connected with a pressure sensor and a tension sensor correspondingly. A compression spring and an extension spring are fixedly connected to the side wall of the pressure sensor and the side wall of the tension sensor respectively. The telescopic lengths of the first electric telescopic rod and the second electric telescopic rod are regulated and controlled by constructing a regulation and control coefficient HX, the resistance of breathing air of the device can be regulated according to the lung function conditions of different users, and the training and rehabilitation effect of the lung function is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical rehabilitation equipment, and in particular to a pediatric internal medicine lung function rehabilitation physiotherapy device. Background Art

[0002] The lungs are very important organs in the human body. For patients with lung and airway diseases, doctors will assess the severity of the disease and carry out drug treatment. While taking drug treatment, if the patient can appropriately and moderately perform some physical therapy within his ability, it will have a good auxiliary effect on the drug treatment and accelerate the patient's recovery. There are many devices on the market for exercising lung function, but the principles are mostly based on increasing the user's lung capacity. In fact, most users with poor lung function are caused by distal bronchial occlusion. Therefore, in order to improve the user's lung function, it is necessary to increase respiratory resistance.

[0003] After searching, the Chinese invention patent with publication number CN112494895A discloses a pediatric internal medicine lung function rehabilitation therapy device, including an insufflation and suction tube, the front end of the insufflation and suction tube is spirally connected with an insufflation and suction tube, and the front end of the insufflation and suction tube is connected with an insufflation and suction nozzle; the rear end of the insufflation and suction tube is connected with a transverse duct, the left and right ends of the transverse duct are respectively connected with an insufflation tube and an insufflation tube, and an insufflation check valve and an insufflation check valve are respectively installed in the insufflation tube and the insufflation tube; an auxiliary tube is connected with the upper side of the insufflation check valve along the upper edge of the side wall of the insufflation tube, and a connecting sleeve is spirally connected at the port of the insufflation tube, and a balloon is connected at the port of the connecting sleeve; a conical tube is connected at the port of the insufflation tube, the diameter of the upper end of the inner cavity of the conical tube is smaller than the diameter of the lower end of the inner cavity, and a cross-shaped auxiliary block is fixed at the top port of the conical tube; the pediatric internal medicine lung function rehabilitation therapy device designed by the present invention has a reasonable structural design, strong practicality, and excellent market promotion value. It is difficult for the above device to adjust the breathing resistance of the device according to the lung function of different users, resulting in difficulty in achieving good rehabilitation effects for the users. Therefore, a pediatric lung function rehabilitation physiotherapy device is urgently needed to solve the above problems. Summary of the invention

[0004] The present invention provides a pediatric internal medicine lung function rehabilitation physiotherapy device to solve the problems raised in the above background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A pediatric internal medicine lung function rehabilitation physiotherapy device comprises a fixed cylinder, a connecting tube is fixedly connected to the central side wall of the fixed cylinder, one end of the connecting tube is fixedly connected to a mouth mask, the upper and lower ends of the fixed cylinder are respectively fixedly connected to a first electric telescopic rod and a second electric telescopic rod, the output ends of the first electric telescopic rod and the second electric telescopic rod are respectively fixedly connected to a first connecting plate and a second connecting plate, the side walls of the first connecting plate and the second connecting plate are respectively fixedly connected to a pressure sensor and a tension sensor, and the side walls of the pressure sensor and the tension sensor are respectively fixedly connected to a compression spring and A tension spring, the compression spring and the tension spring are respectively fixedly connected at opposite ends with a blowing movable plate and a suction movable plate, the interior of the fixed cylinder is fixedly connected with a first annular plate and a second annular plate, the blowing movable plate abuts against the central upper side of the first annular plate, the suction movable plate abuts against the central upper side of the second annular plate, a blowing pipe and a suction pipe are respectively fixedly connected to the side walls of the fixed cylinder, one end of the blowing pipe is located between the blowing movable plate and the first connecting plate, one end of the suction pipe is located between the suction movable plate and the second connecting plate, and a breathing rotating device is provided between the blowing pipe and the suction pipe.

[0006] Preferably, the breathing rotation device includes a disc shell, a turntable is rotatably connected to the center of the disc shell via a rotating shaft, a plurality of impeller blades arranged in a circular array are fixedly connected to the outer circumferential side wall of the turntable, and air holes are opened on the edge side wall of the disc shell, and one end of the blowing pipe and the suction pipe are fixedly connected to the side wall of the disc shell and communicate with the interior of the disc shell.

[0007] Preferably, the blowing movable plate and the suction movable plate are both arranged in a disc shape, and the blowing movable plate and the suction movable plate respectively block the central holes of the first annular plate and the second annular plate, and the diameters of the blowing movable plate and the suction movable plate are respectively smaller than the outer diameters of the first annular plate and the second annular plate.

[0008] Preferably, the compression spring and the tension spring are in a compressed state and a tensioned state respectively.

[0009] Preferably, a control mechanism is also included, which is used to improve the training and rehabilitation effect of lung function by adjusting the elastic resistance of the compression spring and the tension spring by adjusting the telescopic length of the first electric telescopic rod and the second electric telescopic rod according to the lung breathing intensity.

[0010] Preferably, the control mechanism includes a control module, a detection module, and a processing module; The control module is connected with the first electric telescopic rod and the second electric telescopic rod by electrical signals; The detection module includes a pressure detection unit for detecting the compression resistance of the compression spring during blowing, and a tension detection unit for detecting the tension resistance of the tension spring during inhalation; The processing module includes an evaluation unit and a judgment unit.

[0011] Preferably, the pressure detection unit is a pressure sensor, and the tension detection unit is an air suction movable plate.

[0012] Preferably, the steps of using the pediatric internal medicine lung function rehabilitation therapy device are: S1, the user can cover the mouth and nose with the mask, and then exhale and inhale from the lungs; When exhaling, the blown air can enter the fixed cylinder through the connecting pipe, and then the exhaled air blows the blowing moving plate to rise to squeeze the compression spring. At this time, the pressure sensor can detect the compression force of the compression spring. The greater the exhalation intensity of the lungs, the greater the change in the compression force of the compression spring. When the blowing moving plate rises and leaves the first annular plate, the exhaled air passes through the center of the first annular plate and enters the disc shell through the blowing pipe. Finally, the exhaled air blows the impeller blade to rotate and is discharged from the vent. When inhaling, the middle part of the fixed cylinder is in a negative pressure state, and the outside air can be inhaled from the vent hole, and the impeller blades can be blown to rotate and enter the fixed cylinder through the suction pipe. Then the suction moving plate rises under the pressure difference between the upper and lower sides, and finally the outside air is inhaled into the user's lungs through the connecting pipe and the mouth mask. At this time, the tension sensor can detect the tension of the tension spring. The greater the lung inhalation intensity, the greater the change in the tension of the tension spring. S2, respectively detecting the compression resistance of the compression spring and the tension resistance of the tension spring through the pressure detection unit and the tension detection unit in the detection module to form pressure G and tension H, and transmitting them to the evaluation unit for evaluation. If at least one of them exceeds the corresponding first preset threshold, judgment information is formed; S3, summarizing the obtained pressure G and tension H to form the detection condition information, constructing a data model and optimizing the training, performing regression analysis on the obtained pressure G and tension H through analysis software, obtaining the influence of pressure G and tension H on the training and rehabilitation effect of lung function, and outputting the pressure influence factor Ag and tension influence factor Ah; S4, the pressure G and tension H obtained by the evaluation unit are dimensionlessly processed and correlated to form the control coefficient HX. The correlation model is:

[0013] Wherein, Ag represents the pressure influence factor, 0.23≤Ag≤0.87; Ah represents the tension influence factor, 0.26≤Ah≤0.85; S5, the acquired control coefficient HX is transmitted to the judgment unit for comparison with the preset second preset threshold value. If the control coefficient HX is not within the range of the second preset threshold value, a corresponding control instruction is generated to control the telescopic length of the first electric telescopic rod and the second electric telescopic rod, and the control coefficient HX of the device is continuously evaluated until the control coefficient HX is within the second preset threshold value, thereby improving the training and rehabilitation effect of lung function.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention regulates the telescopic lengths of the first electric telescopic rod and the second electric telescopic rod by constructing a regulation coefficient HX, so that the breathing resistance of the device can be adjusted according to the lung function conditions of different users, thereby improving the training and rehabilitation effect of lung function.

[0015] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 This is a schematic diagram of the three-dimensional structure of a pediatric internal medicine lung function rehabilitation physiotherapy device proposed by the present invention; Figure 2 This is a front cross-sectional structural schematic diagram of a pediatric internal medicine lung function rehabilitation physiotherapy device proposed by the present invention; Figure 3 for Figure 2 A is a schematic diagram of the partially enlarged structure of the middle part; Figure 4 for Figure 2 Schematic diagram of the partially enlarged structure of B.

[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Fixed cylinder; 2. First electric telescopic rod; 3. Compression spring; 4. Blowing movable plate; 5. Mouth cover; 6. Connecting pipe; 7. Suction movable plate; 8. Tension spring; 9. Second electric telescopic rod; 10. Pressure sensor; 11. Blowing pipe; 12. Disc shell; 13. Rotating shaft; 14. Turntable; 15. Impeller blade; 16. Air vent; 17. Suction pipe; 18. First annular plate; 19. Second annular plate; 20. First connecting plate; 21. Second connecting plate; 22. Tension sensor. DETAILED DESCRIPTION

[0018] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail by way of example with reference to the accompanying drawings in the following paragraphs. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0019] See also Figures 1 to 4 In an embodiment of the present invention, a pediatric internal medicine lung function rehabilitation physiotherapy device includes a fixed cylinder 1, a connecting tube 6 is fixedly connected to the central side wall of the fixed cylinder 1, a mouth mask 5 is fixedly connected to one end of the connecting tube 6, a first electric telescopic rod 2 and a second electric telescopic rod 9 are fixedly connected to the upper and lower ends of the fixed cylinder 1, a first connecting plate 20 and a second connecting plate 21 are fixedly connected to the output ends of the first electric telescopic rod 2 and the second electric telescopic rod 9, a pressure sensor 10 and a tension sensor 22 are fixedly connected to the side walls of the first connecting plate 20 and the second connecting plate 21, a compression spring 3 and a tension spring 8 are fixedly connected to the side walls of the pressure sensor 10 and the tension sensor 22, and the compression spring 3 and the tension spring 8 are in a compressed state and a stretched state respectively, the opposite ends of the compression spring 3 and the tension spring 8 are fixedly connected with the blowing movable plate 4 and the suction movable plate 7 respectively, the interior of the fixed cylinder 1 is fixedly connected with the first annular plate 18 and the second annular plate 19, the blowing movable plate 4 is against the central upper side of the first annular plate 18, the suction movable plate 7 is against the central upper side of the second annular plate 19, the side walls of the fixed cylinder 1 are fixedly connected with the blowing pipe 11 and the suction pipe 17 respectively, one end of the blowing pipe 11 is located between the blowing movable plate 4 and the first connecting plate 20, one end of the suction pipe 17 is located between the suction movable plate 7 and the second connecting plate 21, and a breathing rotating device is provided between the blowing pipe 11 and the suction pipe 17.

[0020] Specifically, the breathing rotating device includes a disc shell 12, a rotating disk 14 is rotatably connected to the center of the disc shell 12 through a rotating shaft 13, and a plurality of impeller blades 15 arranged in a circular array are fixedly connected to the outer circumferential side wall of the rotating disk 14. A vent 16 is provided on the edge side wall of the disc shell 12, and one end of the blowing pipe 11 and the suction pipe 17 are fixedly connected to the side wall of the disc shell 12 and are connected to the interior of the disc shell 12. When the exhaled air flow enters the disc shell 12 through the blowing pipe 11, the exhaled air flow can blow the impeller blade 15 to rotate and then be discharged from the vent 16; when inhaling, the outside air can be inhaled from the vent 16, and after blowing the impeller blade 15 to rotate, it can enter the fixed cylinder 1 through the suction pipe 17. Therefore, during breathing training, multiple impeller blades 15 can be driven to rotate, which can better attract the attention of child patients and enhance the interest of children, thereby achieving the effect of improving rehabilitation efficacy and shortening the treatment cycle.

[0021] Specifically, the blowing movable plate 4 and the suction movable plate 7 are both disc-shaped, and the blowing movable plate 4 and the suction movable plate 7 respectively block the central holes of the first annular plate 18 and the second annular plate 19, and the diameters of the blowing movable plate 4 and the suction movable plate 7 are respectively smaller than the outer diameters of the first annular plate 18 and the second annular plate 19.

[0022] The present invention also includes a control mechanism, which is used to improve the training and rehabilitation effect of lung function by adjusting the elastic resistance of the compression spring 3 and the tension spring 8 by adjusting the telescopic length of the first electric telescopic rod 2 and the second electric telescopic rod 9 according to the lung breathing intensity.

[0023] The control mechanism includes a control module, a detection module, and a processing module; The control module is connected with the first electric telescopic rod 2 and the second electric telescopic rod 9 by electrical signals; The detection module includes a pressure detection unit for detecting the compression resistance of the compression spring 3 during blowing, and a tension detection unit for detecting the tension resistance of the tension spring 8 during inhalation. The pressure detection unit is a pressure sensor 10, and the tension detection unit is an inhalation movable plate 7; The processing module includes an evaluation unit and a judgment unit.

[0024] The steps for using the pediatric internal medicine lung function rehabilitation therapy device are as follows: S1, the user can cover the mouth and nose with the mouth mask 5, and then exhale and inhale from the lungs; When exhaling, the blown air flow can enter the fixed cylinder 1 through the connecting pipe 6, and then the exhaled air flow blows the blowing movable plate 4 to rise to squeeze the compression spring 3. At this time, the pressure sensor 10 can detect the compression force of the compression spring 3. The greater the exhalation intensity of the lungs, the greater the change in the compression force of the compression spring 3. When the blowing movable plate 4 rises and leaves the first annular plate 18, the exhaled air flow passes through the center of the first annular plate 18 and then enters the disc shell 12 through the blowing pipe 11. Finally, the exhaled air flow blows the impeller blade 15 to rotate and is discharged from the vent 16. When inhaling, the middle part of the fixed cylinder 1 is in a negative pressure state, and the outside air can be inhaled from the vent hole 16, and the impeller blade 15 can be blown to rotate and then enter the fixed cylinder 1 through the inhalation pipe 17. Then, the inhalation movable plate 7 rises under the action of the pressure difference between the upper and lower sides, and finally, the outside air is inhaled into the user's lungs through the connecting pipe 6 and the mouth mask 5. At this time, the tension sensor 22 can detect the tension of the tension spring 8. The greater the lung inhalation strength, the greater the change in the tension of the tension spring 8. S2, the compression resistance of the compression spring 3 and the tension resistance of the tension spring 8 are detected by the pressure detection unit and the tension detection unit in the detection module respectively, so as to form the pressure G and the tension H, and transmit them to the evaluation unit for evaluation. If at least one of them exceeds the corresponding first preset threshold value, the judgment information is formed; S3, summarizing the obtained pressure G and tension H to form the detection condition information, constructing a data model and optimizing the training, performing regression analysis on the obtained pressure G and tension H through analysis software, obtaining the influence of pressure G and tension H on the training and rehabilitation effect of lung function, and outputting the pressure influence factor Ag and tension influence factor Ah; S4, the pressure G and tension H obtained by the evaluation unit are dimensionlessly processed and correlated to form the control coefficient HX. The correlation model is:

[0025] Wherein, Ag represents the pressure influence factor, 0.23≤Ag≤0.87; Ah represents the tension influence factor, 0.26≤Ah≤0.85; S5, the acquired control coefficient HX is transmitted to the judgment unit for comparison with the preset second preset threshold value. If the control coefficient HX is not within the range of the second preset threshold value, a corresponding control instruction is generated to control the telescopic length of the first electric telescopic rod 2 and the second electric telescopic rod 9, and the control coefficient HX of the device is continuously evaluated until the control coefficient HX is within the second preset threshold value, thereby improving the training and rehabilitation effect of lung function.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A pediatric internal medicine lung function rehabilitation therapy device, comprising a fixing tube (1), characterized in that: A connecting tube (6) is fixedly connected to the central side wall of the fixed tube (1), one end of the connecting tube (6) is fixedly connected to a mouth mask (5), the upper and lower ends of the fixed tube (1) are respectively fixedly connected to a first electric telescopic rod (2) and a second electric telescopic rod (9), the output ends of the first electric telescopic rod (2) and the second electric telescopic rod (9) are respectively fixedly connected to a first connecting plate (20) and a second connecting plate (21), the side walls of the first connecting plate (20) and the second connecting plate (21) are respectively fixedly connected to a pressure sensor (10) and a tension sensor (22), the side walls of the pressure sensor (10) and the tension sensor (22) are respectively fixedly connected to a compression spring (3) and a tension spring (8), the compression spring (3) and the tension spring (8) being respectively fixedly connected to each other. The opposite ends of the spring (8) are respectively fixedly connected to a blowing movable plate (4) and an air suction movable plate (7); a first annular plate (18) and a second annular plate (19) are fixedly connected inside the fixed cylinder (1); the blowing movable plate (4) abuts against the central upper side of the first annular plate (18); the air suction movable plate (7) abuts against the central upper side of the second annular plate (19); a blowing pipe (11) and an air suction pipe (17) are respectively fixedly connected to the side wall of the fixed cylinder (1); one end of the blowing pipe (11) is located between the blowing movable plate (4) and the first connecting plate (20); one end of the air suction pipe (17) is located between the air suction movable plate (7) and the second connecting plate (21); and a breathing rotating device is provided between the blowing pipe (11) and the air suction pipe (17).

2. A pediatric internal medicine lung function rehabilitation therapy device according to claim 1, characterized in that: The breathing rotating device comprises a disc shell (12), a rotating disc (14) is rotatably connected to the center of the disc shell (12) via a rotating shaft (13), a plurality of impeller blades (15) arranged in a ring array are fixedly connected to the outer circumferential side wall of the rotating disc (14), an air vent (16) is provided on the edge side wall of the disc shell (12), and one end of the blowing pipe (11) and the suction pipe (17) are fixedly connected to the side wall of the disc shell (12) and communicated with the inside of the disc shell (12).

3. A pediatric internal medicine lung function rehabilitation therapy device according to claim 2, characterized in that: The blowing movable plate (4) and the suction movable plate (7) are both arranged in a disc shape, and the blowing movable plate (4) and the suction movable plate (7) respectively block the central holes of the first annular plate (18) and the second annular plate (19), and the diameters of the blowing movable plate (4) and the suction movable plate (7) are respectively smaller than the outer diameters of the first annular plate (18) and the second annular plate (19).

4. A pediatric internal medicine lung function rehabilitation therapy device according to claim 3, characterized in that: The compression spring (3) and the tension spring (8) are in a compressed state and a tensioned state respectively.

5. A pediatric internal medicine lung function rehabilitation therapy device according to claim 4, characterized in that: The device also comprises a control mechanism, which is used to adjust the elastic resistance of the compression spring (3) and the extension spring (8) by adjusting the telescopic length of the first electric telescopic rod (2) and the second electric telescopic rod (9) according to the lung breathing intensity, thereby improving the training and rehabilitation effect of lung function.

6. A pediatric internal medicine lung function rehabilitation physiotherapy device according to claim 5, characterized in that: The control mechanism includes a control module, a detection module, and a processing module; The control module is connected to the first electric telescopic rod (2) and the second electric telescopic rod (9) via electrical signals; The detection module comprises a pressure detection unit for detecting the compression resistance of the compression spring (3) during blowing, and a tension detection unit for detecting the tension resistance of the tension spring (8) during inhalation; The processing module includes an evaluation unit and a judgment unit.

7. A pediatric internal medicine lung function rehabilitation therapy device according to claim 6, characterized in that: The pressure detection unit is a pressure sensor (10), and the tension detection unit is an air suction movable plate (7).

8. A pediatric internal medicine lung function rehabilitation therapy device according to claim 7, characterized in that: The steps for using the pediatric internal medicine lung function rehabilitation physiotherapy device are as follows: S1, the user can cover the mouth and nose with the mouth mask (5), and then exhale and inhale from the lungs; When exhaling, the blown air flow can enter the fixed cylinder (1) through the connecting pipe (6), and then the exhaled air flow blows the blowing movable plate (4) upward to compress the compression spring (3). At this time, the pressure sensor (10) can detect the compression force of the compression spring (3). The greater the exhalation intensity of the lungs, the greater the change in the compression force of the compression spring (3). When the blowing movable plate (4) rises and leaves the first annular plate (18), the exhaled air flow passes through the center of the first annular plate (18) and enters the disc shell (12) through the blowing pipe (11). Finally, the exhaled air flow blows the impeller blade (15) to rotate and is discharged from the vent hole (16); When inhaling, the middle part of the fixed cylinder (1) is in a negative pressure state, and the outside air can be sucked in through the vent hole (16), and blow the impeller blade (15) to rotate and then enter the fixed cylinder (1) through the inhalation pipe (17). Then, the inhalation movable plate (7) rises under the action of the pressure difference between the upper and lower sides, and finally, the outside air is inhaled into the user's lungs through the connecting pipe (6) and the mouth mask (5). At this time, the tension sensor (22) can detect the tension of the tension spring (8). The greater the intensity of lung inhalation, the greater the change in the tension of the tension spring (8); S2, respectively detecting the compression resistance of the compression spring (3) and the tension resistance of the tension spring (8) through the pressure detection unit and the tension detection unit in the detection module, forming a pressure G and a tension H, and transmitting them to the evaluation unit for evaluation, and forming judgment information if at least one of them exceeds the corresponding first preset threshold value; S3, summarizing the obtained pressure G and tension H to form the detection condition information, constructing a data model and optimizing the training, performing regression analysis on the obtained pressure G and tension H through analysis software, obtaining the influence of pressure G and tension H on the training and rehabilitation effect of lung function, and outputting the pressure influence factor Ag and tension influence factor Ah; S4, the pressure G and tension H obtained by the evaluation unit are dimensionlessly processed and correlated to form the control coefficient HX. The correlation model is: Wherein, Ag represents the pressure influence factor, 0.23≤Ag≤0.87; Ah represents the tension influence factor, 0.26≤Ah≤0.85; S5, transmitting the acquired control coefficient HX to the judgment unit for comparison with a preset second preset threshold value; if the control coefficient HX is not within the range of the second preset threshold value, a corresponding control instruction is generated to control the telescopic length of the first electric telescopic rod (2) and the second electric telescopic rod (9), while continuing to evaluate the control coefficient HX of the device until the control coefficient HX is within the second preset threshold value, thereby improving the training and rehabilitation effect of lung function.

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