Novel breathing vibration sputum excretion training device

Abstract

The utility model discloses a novel breathing vibration sputum excretion training device, and belongs to the technical field of auxiliary medical treatment. Comprising a breathing air nozzle, a cavity tube, a breather tube and a tube cover, one end of the cavity pipe is connected with the breathing air nozzle, the other end of the cavity pipe is detachably connected with the breather pipe, an air guide cavity communicated with the breathing air nozzle is formed in the cavity pipe, a breather cavity communicated with the air guide cavity is formed in the breather pipe, and a ball containing chamber is arranged at the end, close to the breather cavity, of the air guide cavity. A steel ball is arranged in the ball placing chamber, and the pipe diameter of a port of one end, far away from the ventilation cavity, of the ball placing chamber is smaller than the diameter of the steel ball; a plastic ball is arranged in the ventilation cavity, and the diameter of the plastic ball is larger than the pipe diameter of the end, close to one end of the air guide cavity, of the ventilation cavity; the pipe cover is connected to the end portion of the end, away from the cavity pipe, of the ventilation pipe in a covering mode. According to the utility model, the vibration expectoration function and the respiratory muscle training function are combined, so that the rehabilitation effect of a patient with the cardiopulmonary function is more obvious.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary medical treatment, in particular to a novel breathing vibration sputum removal training device. Background Art

[0002] A breathing trainer is a device that exercises the respiratory muscles by providing resistance during breathing. It can improve respiratory function and strengthen respiratory muscles for patients with respiratory diseases, patients in the postoperative recovery period, and those who need to increase vital capacity through exercise. A vibrating expectorant is a medical device that helps patients clear respiratory secretions and sputum, also known as a vibrating expectorant. The vibrating expectorant helps patients expel sputum from the respiratory tract through vibration, thereby improving the patency of the respiratory tract, promoting sputum discharge, and the recovery of respiratory function.

[0003] Common breathing trainers on the market, such as the utility model patent with authorization publication number CN110279989A: an adjustable breathing trainer, adjust the breathing resistance by adjusting the ventilation area of ​​the ventilation groove, but do not have the vibration expectoration function; common expectoration vibrators on the market, such as the utility model patent with authorization announcement number CN203154726U: a vibrating expectoration device, vibrate the vibrating ball by exhaling into the mouthpiece, and the aftershocks generated in the process are transmitted to the throat through the user's mouth, thereby assisting the discharge of sputum, but because the vibration process may cause discomfort to the user's mouth and throat, it is not suitable for use as a breathing training instrument.

[0004] The existing technology has the following defects: patients with lung diseases and respiratory infections such as bronchitis, pneumonia, cystic fibrosis, etc. will produce a large amount of sticky sputum in the respiratory tract, which is easy to form blockage in the airway and difficult to cough up by themselves. Usually, a sputum vibrator is used to assist in sputum removal. Such patients are usually accompanied by symptoms of respiratory failure and need to use a breathing trainer to enhance respiratory muscle strength and cardiopulmonary function. However, existing breathing trainers and sputum vibrators usually cannot have the functions of training respiratory muscles and assisting sputum removal at the same time. The single function makes the patient's recovery effect more limited, and the purchase of two devices makes the patient bear a greater economic burden, so there is room for improvement. Utility Model Content

[0005] In order to solve the above-mentioned technical problems, the utility model provides a novel respiratory vibration expectoration trainer to solve the technical problems that the common vibration expectoration device cannot realize the function of training respiratory muscles well and the recovery effect of cardiopulmonary function patients is relatively limited.

[0006] A novel respiratory vibration expectoration trainer comprises a breathing air nozzle, a cavity tube, a ventilation tube and a tube cover; one end of the cavity tube is connected to the breathing air nozzle, and the other end of the cavity tube is detachably connected to the ventilation tube; an air guide cavity connected to the breathing air nozzle is arranged in the cavity tube, and a ventilation cavity connected to the air guide cavity is arranged in the ventilation tube; a ball placement chamber is arranged at one end of the air guide cavity close to the ventilation cavity, a steel ball is arranged in the ball placement chamber, and the port diameter of the end of the ball placement chamber away from the ventilation cavity is smaller than the diameter of the steel ball; a plastic ball is arranged in the ventilation cavity, and the diameter of the plastic ball is larger than the end diameter of the ventilation cavity close to one end of the ventilation cavity; the tube cover is connected to the end position of the ventilation tube away from the cavity tube, and an air hole is opened on the tube cover.

[0007] Preferably, the tube cover comprises an inner cover and an outer cover, and ventilation holes are provided on the inner cover and the outer cover; the inner cover is fixed to the ventilation tube, and the outer cover is arranged on the inner cover and is rotatably connected to the inner cover.

[0008] Preferably, the plastic balls include several groups of replaceable plastic balls arranged in different weight gradients.

[0009] Preferably, a visual window is provided on the air guiding cavity, and different height positions of the air guiding cavity are divided by different colors.

[0010] Preferably, scale lines are provided on the visual window.

[0011] Preferably, an exhalation nozzle is detachably connected to the breathing nozzle, and the exhalation nozzle has a one-way air guide function.

[0012] Preferably, a reverse air check valve is provided at one end of the exhalation nozzle close to the breathing nozzle.

[0013] Preferably, the air inlet nozzle end of the exhalation nozzle is elliptical.

[0014] Preferably, the exhalation nozzle is an elastic structure.

[0015] The beneficial effects of the utility model are:

[0016] 1. Vibrating the steel ball and the plastic ball at the same time helps to strengthen the vibration effect transmitted to the patient's trachea, making it easier to shake off the sticky sputum on the patient's trachea, thereby improving the efficiency of assisting the patient in expectoration; Vibrating the steel ball and the plastic ball at the same time helps to strengthen the vibration effect transmitted to the patient's trachea, making it easier to shake off the sticky sputum on the patient's trachea, thereby improving the efficiency of assisting the patient in expectoration; By combining the two, the function of integrating breathing training and vibration expectoration is realized, which helps patients with cardiopulmonary diseases to speed up the recovery cycle, makes the rehabilitation effect of patients with cardiopulmonary function more significant, and expands the scope of application of the vibrating expectorant;

[0017] 2. Through the setting of the inner cover and the outer cover, the area of ​​the inlet and outlet holes can be adjusted, and then the breathing resistance can be adjusted; through the setting of plastic balls of different weights, personalized breathing training can be achieved. Using plastic balls of different weights for breathing training can help patients gradually increase their lung capacity. Medical staff can choose the appropriate resistance intensity according to the patient's respiratory muscle strength and endurance level, and formulate a breathing training plan that meets the patient's needs;

[0018] 3. By observing the plastic ball floating up and down through the visual window, the patient can understand his or her breathing depth and frequency, which helps the patient to observe his or her breathing situation intuitively so as to adjust the breathing depth and frequency; different height positions of the air guide cavity are divided by different colors, and the scale lines are set, so that the user can more intuitively understand the training intensity he or she is in, so as to adjust the training plan according to his or her own situation in time.

[0019] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the background technology, the drawings required for use in the embodiments of the utility model or the background technology will be described below.

[0021] The drawings herein are incorporated into the specification and constitute a part of the specification. These drawings illustrate embodiments consistent with the present disclosure and, together with the specification, are used to illustrate the technical solutions disclosed in the present utility model.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a cross-sectional view of the utility model;

[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0025] Legend: 1. Breathing nozzle; 2. Cavity tube; 21. Air guide cavity; 211. Ball placement chamber; 212. Steel ball; 3. Ventilation tube; 31. Ventilation cavity; 311. Plastic ball; 4. Tube cover; 41. Inner cover; 42. Outer cover; 43. Vent hole; 5. Exhalation nozzle; 6. Reverse check valve. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0028] A breathing trainer is a device that exercises the respiratory muscles by providing resistance during breathing. It can improve respiratory function and strengthen respiratory muscles for patients with respiratory diseases, patients in the postoperative recovery period, and those who need to increase vital capacity through exercise. A vibrating expectorant is a medical device that helps patients clear respiratory secretions and sputum, also known as a vibrating expectorant. The vibrating expectorant helps patients expel sputum from the respiratory tract through vibration, thereby improving the patency of the respiratory tract, promoting sputum discharge, and the recovery of respiratory function.

[0029] Common breathing trainers on the market, such as the utility model patent with authorization announcement number CN110279989A: an adjustable breathing trainer, adjust the breathing resistance by adjusting the ventilation area of ​​the ventilation groove, but do not have the vibration expectoration function; common expectoration vibrators on the market, such as the utility model patent with authorization announcement number CN203154726U: a vibrating expectoration device, vibrate the vibrating ball by exhaling into the mouthpiece, and the aftershocks generated in the process are transmitted to the throat through the user's mouth, thereby assisting the discharge of sputum, but because the vibration process may cause discomfort to the user's mouth and throat, it is not suitable for use as a breathing training instrument.

[0030] Patients with lung diseases and respiratory infections such as bronchitis, pneumonia, and cystic fibrosis will produce a large amount of sticky sputum in their respiratory tract, which is easy to form blockages in the airway and is difficult to cough up on their own. Usually, a sputum expulsion vibrator is used to assist in sputum expulsion. Such patients are usually accompanied by symptoms of respiratory failure and need the help of a respiratory trainer to enhance respiratory muscle strength and cardiopulmonary function. However, existing respiratory trainers and sputum expulsion vibrators usually cannot simultaneously and well have the functions of training respiratory muscles and assisting sputum expulsion. The single function limits the patient's recovery effect, and purchasing two devices imposes a greater financial burden on patients.

[0031] See also Figure 1-Figure 3Based on the above problems, the present application proposes a novel respiratory vibration sputum removal training device, which includes a breathing air nozzle 1, a cavity tube 2, a ventilation tube 3 and a tube cover 4; one end of the cavity tube 2 is connected to the breathing air nozzle 1, and the other end of the cavity tube 2 is detachably connected to the ventilation tube 3, an air guide cavity 21 connected to the breathing air nozzle 1 is arranged in the cavity tube 2, and a ventilation cavity 31 connected to the air guide cavity 21 is arranged in the ventilation tube 3, and a ball chamber 211 is arranged at one end of the air guide cavity 21 close to the ventilation cavity 31, and a steel ball 212 is arranged in the ball chamber 211, and the port diameter of the end of the ball chamber 211 away from the ventilation cavity 31 is smaller than the diameter of the steel ball 212; a plastic ball 311 is arranged in the ventilation cavity 31, and the diameter of the plastic ball 311 is larger than the end diameter of the ventilation cavity 31 close to the air guide cavity 21; the tube cover 4 is connected to the end of the ventilation tube 3 away from the cavity tube 2, and an air hole is opened on the tube cover 4.

[0032] The operating principle of the respiratory vibration sputum removal training device of this embodiment is:

[0033] When the patient needs to perform vibration expectoration, the cavity tube 2 and the ventilation tube 3 are opened from the connection position, the steel ball 212 and the plastic ball 311 are respectively placed in the ball chamber 211 and the ventilation cavity 31, and the cavity tube 2 and the ventilation tube 3 are connected and fixed, and the tube cover 4 is covered on the end of the ventilation tube 3; the position of the ventilation tube 3 is adjusted so that the tube cover 4 faces upward, and the patient holds the breathing nozzle 1 in his mouth to exhale. During the exhalation process, the steel ball 212 and the plastic ball 311 float up and down at the same time to generate vibration, and the vibration is transmitted along the patient's mouth to the throat, so that the sticky sputum attached to the patient's trachea is loosened, which is convenient for the patient to cough up the sputum in time.

[0034] The simultaneous vibration of the steel ball 212 and the plastic ball 311 helps to strengthen the vibration effect transmitted to the patient's trachea, making it easier to disperse the viscous sputum on the patient's trachea, thereby improving the efficiency of assisting the patient in expectoration.

[0035] When the patient needs to train the respiratory muscles, the cavity tube 2 and the ventilation tube 3 are opened from the connection position, the steel ball 212 is taken out and the plastic ball 311 is placed in the ventilation cavity 31, the cavity tube 2 and the ventilation tube 3 are connected and fixed, and the tube cover 4 is covered on the end of the ventilation tube 3; the position of the ventilation tube 3 is adjusted so that the tube cover 4 faces upward, the patient holds the breathing nozzle 1 in his mouth to exhale, and the plastic ball 311 floats up and down to perform exhalation exercises; the position of the ventilation tube 3 is adjusted so that the tube cover 4 faces downward, the patient holds the breathing nozzle 1 in his mouth to inhale, and the plastic ball 311 floats up and down to perform inhalation exercises.

[0036] By adjusting the position of the ventilating tube 3, the device can simultaneously train the patient's exhalation and inhalation. Compared with common devices that can only perform inhalation training, the device can better train the lung muscles by training exhalation and inhalation, allowing the patient to more consciously control breathing during exhalation and inhalation, thereby improving the breathing control ability and helping the patient recover faster. By combining the two, the integrated function of breathing training and vibration expectoration is realized, helping patients with cardiopulmonary diseases to speed up the recovery cycle, making the rehabilitation effect of patients with cardiopulmonary function more significant, and expanding the scope of application of the vibration expectoration device.

[0037] Preferably, the connection mode of the cavity tube 2 and the ventilation tube 3 can be set to an internal and external thread structure, and the two sections of the tube body can be connected or separated by rotation, and the gasket can be used to ensure the sealing of the connection; the connection mode of the internal and external thread structure can easily connect or separate the two sections of the tube body, which is convenient for users to clean and maintain. The user can separate the two sections of the tube body by rotating the connection, clean and disinfect, and then connect them again for use. By ensuring the sealing of the connection with a gasket, gas leakage can be avoided and the effect of breathing training can be ensured. The two ends of the tube body can also be designed as a clamp structure, which can be connected or separated by tightening or loosening the clamp; the design of the clamp structure allows the connection to be easily connected or separated by tightening or loosening the clamp, which is convenient for users to clean and maintain. The user can separate the two sections of the tube body by loosening the clamp, clean and disinfect, and then tighten the clamp again to connect and use. The design of the clamp structure allows the connection to be quickly assembled and disassembled, saving the user's time and energy. The user can complete the connection or separation by simply tightening or loosening the clamp, which is easy and quick to operate. The design of the clamp structure can improve the durability of the connection, making it more solid and stable. Through the connection method of the clamp, the pipe body can be prevented from loosening or falling off, thereby extending the service life of the product.

[0038] In addition, both ends of the tube body are designed as elastic sealing structures, which can be connected or separated by pressing or pulling apart to ensure the sealing of the connection between the two tubes. The elastic sealing structure can provide good sealing at the connection, avoid gas leakage, and ensure the effective implementation of breathing training. This design can effectively prevent gas leakage and ensure the circulation of airflow, thereby ensuring the accuracy and effectiveness of breathing training. By pressing or pulling apart the elastic sealing structure, the two sections of the tube body can be easily connected or separated, which is convenient for users to clean and maintain. Users can separate the two sections of the tube body by pulling apart the elastic sealing structure, clean and disinfect them, and then connect them again for use. The design of the elastic sealing structure can improve the durability of the connection, making it more firm and stable. This structure can ensure the sealing of the connection, avoid gas leakage, and also prevent the tube body from loosening or falling off, thereby extending the service life of the product.

[0039] In order to adjust the area of ​​the inlet and outlet pores, and further adjust the breathing resistance, based on this, in one embodiment, the exhalation tube cover 4 includes an inner cover 41 and an outer cover 42, and both the inner cover 41 and the outer cover 42 are provided with vents 43; the inner cover 41 is fixed to the vent tube 3, and the outer cover 42 is covered on the inner cover 41 and is rotatably connected to the inner cover 41. Through the arrangement of the inner cover 41 and the outer cover 42, the area of ​​the inlet and outlet pores is adjusted, and further the breathing resistance is adjusted; when auxiliary vibration expectoration is performed, the outer cover 42 is removed to ensure the patency of the pores; when performing breathing training, the area of ​​the inlet and outlet pores is adjusted by rotating the outer cover 42, and then breathing training of different intensities is achieved, thereby improving the applicability of the instrument. Preferably, the outer cover 42 can be provided with pores that are distributed opposite to the inner cover 41, and the area of ​​the inlet and outlet pores can be changed by rotating the outer cover 42; at the same time, the outer covers 42 of different aperture sizes can be prefabricated, and the size of the inlet and outlet pore area can be changed by replacing the outer cover 42.

[0040] In order to provide more personalized breathing training and improve the effect of user's breathing training, based on this, in one embodiment, the breathing plastic ball 311 includes several groups of plastic balls 311 that can be used for replacement and set to different weight gradients. Plastic balls 311 of different weights can be adjusted according to the actual situation of the patient to achieve personalized breathing training. Using plastic balls 311 of different weights for breathing training can help patients gradually increase their vital capacity. By providing different breathing resistances, patients need to use more strength to breathe, which can effectively increase vital capacity and improve respiratory function; medical staff can select the appropriate weight of plastic balls 311 according to the patient's respiratory muscle strength and endurance level, and formulate a breathing training program that meets their needs for the patient. Preferably, the weight of the plastic ball 311 can be changed by placing solid spheres of different weights in the plastic ball 311, or by prefabricating multiple groups of plastic balls 311 of different weights.

[0041] In order to help users accurately know the intensity of each breath, based on this, in one embodiment, a visual window is provided on the air guide cavity 21, and different height positions of the air guide cavity 21 are divided by different colors. By observing the plastic ball 311 floating up and down through the visual window, the patient can understand his breathing depth and frequency, which helps the patient to intuitively observe his breathing situation so as to adjust the breathing depth and frequency; the different height positions of the air guide cavity 21 are divided by different colors, which is convenient for users to more intuitively understand which training intensity they are in, and to adjust the training plan according to their own situation in time; the color division can be used as a source of motivation and motivation for users when performing breathing training. Users can understand the progress of their breathing training by observing the changes in color, thereby increasing their participation and motivation in breathing training and improving the effect of training; the setting of color division can help users better grasp the intensity of each breath and improve the accuracy of breathing training.

[0042] In order to help users accurately understand the intensity and depth of breathing training, provide intuitive feedback, and help users understand whether their breathing rhythm and depth meet the training requirements, so as to adjust the breathing method to make it more accurate and effective, in one embodiment, scale lines are set on the visual window. The setting of scale lines helps users accurately know the intensity of breathing training, and can provide intuitive feedback to patients, helping them to master the correct breathing rhythm and depth; the scale lines on the visual window and the floating plastic ball 311 can also serve as a source of motivation and motivation for patients during breathing training, which will increase the participation and motivation in breathing training and help improve the effect of training.

[0043] Pursed lip breathing training is a type of breathing training that is performed in a specific breathing method. In pursed lip breathing training, the individual contracts the lip muscles to form an exhalation resistance, and then takes a deep and slow breath. This method can effectively exercise the respiratory muscles, including the diaphragm and intercostal muscles, etc., enhance their strength and endurance, improve the function of the respiratory muscles, help expand the lungs, increase vital capacity, improve gas exchange in the lungs, and improve breathing efficiency. In order to enable the instrument to have a pursed lip breathing training function, in one embodiment, the breathing nozzle 1 can also be detachably connected to an exhalation nozzle 5, and the exhalation nozzle 5 has a one-way air guide function. The one-way air guide function of the exhalation nozzle 5 can provide a certain resistance, so that the patient needs to forcefully contract the lip muscles when exhaling, thereby enhancing the strength and endurance of the muscles around the oral cavity. Through pursed lip breathing training, patients can improve the coordination and control of their oral muscles, which helps improve functions such as swallowing, pronunciation and chewing. At the same time, through pursed lip breathing training, individuals can learn to breathe deeper and slower, improve breathing control, help relax the body and mind, and reduce anxiety and stress. Pursed lip breathing training helps improve posture and muscle coordination during breathing, and improves breathing comfort and efficiency.

[0044] Since the purpose of pursed lip breathing training is mainly to exercise the muscles around the oral cavity and improve the coordination of oral cavity function and muscles, only exhalation is required in pursed lip breathing training in order to focus on the training of oral cavity muscles rather than involving the respiratory function of the lungs. In order to better ensure the effect of pursed lip breathing training, based on this, in one embodiment, a reverse air check valve 6 is provided at one end of the exhalation nozzle 5 close to the breathing nozzle 1. The function of the reverse air check valve 6 is to prevent the breathing gas from entering the user's oral cavity again after the exhalation is completed, to prevent the breathing gas from flowing in the wrong direction during the exhalation, to improve the accuracy of the breathing training, to ensure that the patient can correctly expel the exhaled gas during the exhalation process, and thus to ensure the effect of the pursed lip breathing training; at the same time, the discomfort and safety hazards caused by the exhaled gas re-entering the oral cavity are reduced, the safety of the breathing training is improved, and the risk of adverse reactions of the patient is reduced.

[0045] In order to improve the comfort of the patient when using the exhalation nozzle 5, in one embodiment, the air inlet end of the exhalation nozzle 5 is elliptical. Compared with air inlet ends of other shapes, the elliptical design may be more in line with the physiological characteristics of the soft tissue in the oral cavity, and the elliptical design can better fit the soft tissue in the oral cavity, reduce the stimulation and pressure on the oral tissue, reduce the friction and damage risk of the oral mucosa and soft tissue, reduce the discomfort and damage risk inside the oral cavity, and at the same time improve the sealing performance between the air inlet end and the oral cavity, reduce airflow leakage, thereby improving the adaptability of the exhalation nozzle 5, making the patient more comfortable when using the exhalation nozzle 5.

[0046] Since the nerve tissue in the oral cavity is very rich and is one of the most sensitive parts of the human body, if the exhalation mouthpiece 5 is made of rigid material, it will cause problems such as occlusion discomfort or pressure on the user's oral tissue during lip pursing breathing training, affecting the patient's comfort and user experience. Based on this, in one embodiment, the exhalation mouthpiece 5 is an elastic structure. Preferably, the elastic structure is made of rubber or silicone material. The above materials have good elasticity and wear resistance, ensuring that the patient can effectively control the airflow during breathing training and avoid air leakage, thereby improving the accuracy and effect of breathing training; at the same time, different users can better bite the exhalation mouthpiece 5, improving the patient's comfort and user experience; a comfortable exhalation mouthpiece 5 can encourage patients to perform breathing training more actively, reduce discomfort and resistance, help patients better participate in breathing exercises, and improve the effect of breathing training.

[0047] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A novel respiratory vibration expectoration training device, characterized in that: The invention comprises a breathing air nozzle (1), a cavity tube (2), a ventilation tube (3) and a tube cover (4); one end of the cavity tube (2) is connected to the breathing air nozzle (1), and the other end of the cavity tube (2) is detachably connected to the ventilation tube (3); an air guide cavity (21) communicating with the breathing air nozzle (1) is arranged in the cavity tube (2); a ventilation cavity (31) communicating with the air guide cavity (21) is arranged in the ventilation tube (3); and a ball placement chamber (211) is arranged at one end of the air guide cavity (21) close to the ventilation cavity (31). A steel ball (212) is arranged in the ball placement chamber (211), and the diameter of the end port of the ball placement chamber (211) away from the ventilation cavity (31) is smaller than the diameter of the steel ball (212); a plastic ball (311) is arranged in the ventilation cavity (31), and the diameter of the plastic ball (311) is larger than the diameter of the end of the ventilation cavity (31) close to the air guide cavity (21); the tube cover (4) is connected to the end position of the ventilation tube (3) away from the cavity tube (2), and an air hole is opened on the tube cover (4).

2. A novel respiratory vibration expectoration training device according to claim 1, characterized in that: The pipe cover (4) comprises an inner cover (41) and an outer cover (42), and both the inner cover (41) and the outer cover (42) are provided with ventilation holes (43); the inner cover (41) is fixed to the ventilation pipe (3), and the outer cover (42) is covered on the inner cover (41) and is rotatably connected to the inner cover (41).

3. A novel respiratory vibration expectoration training device according to claim 2, characterized in that: The plastic balls (311) include a plurality of groups of plastic balls (311) that can be replaced and are arranged in different weight gradients.

4. A novel respiratory vibration expectoration training device according to claim 3, characterized in that: A visual window is provided on the air guide cavity (21), and different height positions of the air guide cavity (21) are divided by different colors.

5. A novel respiratory vibration expectoration training device according to claim 4, characterized in that: The visual window is provided with scale lines.

6. A novel respiratory vibration expectoration training device according to claim 1, characterized in that: The breathing nozzle (1) is also detachably connected to an exhalation nozzle (5), and the exhalation nozzle (5) has a one-way air guide function.

7. A novel respiratory vibration expectoration training device according to claim 6, characterized in that: A reverse air-stop valve (6) is provided at one end of the exhalation nozzle (5) close to the breathing nozzle (1).

8. A novel respiratory vibration expectoration training device according to claim 7, characterized in that: The air inlet end of the exhalation nozzle (5) is oval.

9. A novel respiratory vibration expectoration training device according to claim 8, characterized in that: The exhalation nozzle (5) is an elastic structure.

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