A respiratory infection drug delivery device

Abstract

This invention relates to the field of nebulized drug delivery, specifically to a respiratory infection drug delivery device, comprising a heating cylinder. Two sets of baffles are fixedly connected to the inner wall of the heating cylinder at its upper and lower edges. Ventilation holes are respectively formed on the outer surfaces of the two sets of baffles at opposite edges. A limiting sleeve is fixedly installed on the outer surface of the heating cylinder at the midpoint between the two sets of baffles. A support cylinder is provided on the outer surface of the heating cylinder at a symmetrical position to the limiting sleeve. A nut rotates on the surface of a threaded rod, causing the threaded rod and heating rod to move horizontally to one side under the constraint of the limiting sleeve and support cylinder, allowing the heating rod to move out of the limiting sleeve. When the drug mist flows through the ventilation holes on the outer surface of the baffles, the drug mist comes into contact with the surface of the heating rod.

Description

Technical Field

[0001] This invention belongs to the field of nebulized drug delivery technology, specifically a respiratory tract infection drug delivery device. Background Technology

[0002] The respiratory tract is the passageway through which airflow passes during lung respiration. It is divided into upper and lower parts: the nose, pharynx, and larynx together form the upper respiratory tract, while the trachea, bronchi, and lungs together form the lower respiratory tract, or tracheal tree. The tracheal tree has become increasingly complex with the evolution of animals. The main cause of respiratory tract infections is exposure to cold, especially when lifestyle is not properly managed. For example, sleeping outdoors on cold nights, lying on cold ground for a long time, being exposed to drafts, being caught in the rain after sweating profusely, or being stimulated by cold water when wading through rivers, as well as living in a cold and damp environment for a long time, can all reduce the resistance of the upper respiratory tract mucosa and promote the occurrence of this disease.

[0003] A patent with publication number CN108211070A discloses a endotracheal intubation side-hole drug delivery device, including a catheter, a drug delivery device disposed on the catheter, a drug delivery valve disposed on the drug delivery device for connecting or blocking the drug delivery device with the catheter, and a sealing cap disposed on the drug delivery device. By distributing the drug delivery device on the catheter and connecting the drug delivery device with the catheter, when a user needs to administer medication to an infant with intubation, the sealing cap can be opened first, and the medication can be placed into the drug delivery device. When the sealing cap and the drug delivery valve are opened simultaneously, the medication in the drug delivery device will flow into the catheter. In this way, medication can be administered through the drug delivery device while the catheter is ventilating the infant. This avoids more serious damage to the infant's respiratory tract caused by repeated intubation and extubation, or even infection with other diseases, thus increasing medical safety and improving the treatment efficiency for infants.

[0004] Currently, when patients with respiratory infections require treatment, respiratory drug delivery devices are typically used. A delivery tube is inserted into the respiratory tract to assist in medication administration. However, existing medications are often delivered at low temperatures. Since respiratory infections are mostly experienced by elderly individuals and patients with weakened immune systems, whose respiratory tracts are more sensitive, the cold gas can irritate the respiratory tract, causing itching and coughing. Severe coughing can impair drug absorption, and secondary drug absorption is not possible immediately after a violent cough. The patient must wait until the period of respiratory sensitivity subsides before secondary drug absorption can occur, which is detrimental to recovery and does not meet practical usage requirements.

[0005] Therefore, the present invention provides a respiratory tract infection drug delivery device. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by the present invention to solve its technical problem is as follows: The respiratory tract infection drug delivery device of the present invention includes a heating cylinder. Two sets of baffles are fixedly connected to the inner wall of the heating cylinder at the upper and lower edges. Ventilation holes are respectively opened on the outer surfaces of the two sets of baffles at opposite edges. A limiting sleeve is fixedly installed on the outer surface of the heating cylinder at the middle position of the two sets of baffles. A support cylinder is provided on the outer surface of the heating cylinder at a symmetrical position to the limiting sleeve. A heating rod is movably sleeved on the inner wall of the limiting sleeve. A threaded rod is fixedly connected to one end of the heating rod and movably sleeved on the inner wall of the support cylinder. A nut is threadedly movably sleeved on the outer surface of the threaded rod at the outer surface of the support cylinder.

[0008] Preferably, a blocking strip is fixedly connected to the outer surface of the other end of the heating rod, an overlapping ring is provided on the inner wall of the limiting sleeve, and an atomizing accumulation cylinder is fixedly installed on the outer surface of the heating cylinder.

[0009] Preferably, a gas-gathering sleeve is fixedly connected to the bottom inner wall of the atomizing accumulation cylinder, an elastic swing plate is provided on the top surface of the gas-gathering sleeve, and a sealing head is provided on the bottom surface of the atomizing accumulation cylinder at the junction of the atomizing accumulation cylinder and the gas-gathering sleeve.

[0010] Preferably, a snap-fit ​​fixing ring is provided on the outer surface of the atomizing accumulation cylinder, a fixing frame is fixedly installed on the outer surface of the snap-fit ​​fixing ring and at the bottom edge, a drug injection mixing cylinder is provided on the outer surface of the fixing frame, and a U-shaped support tube is fixedly installed on the bottom surface of the drug injection mixing cylinder.

[0011] Preferably, a cold evaporator is fixedly connected to the other end of the U-shaped support tube, the output end of the cold evaporator is located on the inner wall of the first sealing head, the second sealing head is movably sleeved on the top surface of the drug injection mixing cylinder, and a small electric motor is fixedly installed on the top surface of the drug injection mixing cylinder and at one edge position.

[0012] Preferably, a transmission rod is fixedly connected to the output end of the small electric motor and is movably adjustable on the inner wall of the drug mixing cylinder. A support frame is fixedly connected to the inner wall of the drug mixing cylinder, and the outer surface of the transmission rod is movably adjustable on the inner wall of the support frame.

[0013] Preferably, a filter screen is fixedly installed on the inner wall of the drug mixing cylinder, and a rolling disc is fixedly connected to one end of the transmission rod, which is movably connected to the surfaces of the drug mixing cylinder and the filter screen. A semi-circular extrusion block is provided on the outer surface of the rolling disc.

[0014] Preferably, a flow guiding hose is fixedly installed on the top surface of the heating cylinder, and a cavity sealing cover is provided at the other end of the flow guiding hose. A nasal cavity expander is provided on the outer surface of the cavity sealing cover.

[0015] Preferably, the nasal cavity expander includes a nasal plug sleeve, an anti-slip layer is provided on the outer surface of the nasal plug sleeve, a swinging soft block is provided on the outer surface of the nasal plug sleeve and at the bottom edge, and a nasal wing fitting plate is fixedly connected to the top surface of the swinging soft block.

[0016] Preferably, an anti-slip strip is fixedly installed on the inner wall of the nasal wing fitting plate, and an exhaust hole is provided on the inner bottom wall of the nasal plug sleeve.

[0017] The beneficial effects of this invention are as follows:

[0018] 1. The respiratory infection drug delivery device of the present invention, before preparation, rotates the threaded rod on the surface of the nut, and causes the threaded rod and the heating rod to move horizontally to one side under the limitation of the limiting sleeve and the support sleeve, and causes the heating rod to move out of the inside of the limiting sleeve. When the drug mist flows through the air hole on the outer surface of the baffle plate, the drug mist will contact the surface of the heating rod. The contact range of the drug mist can be changed according to the area of ​​the heating rod moving out of the limiting sleeve, so that the degree of heating of the drug mist can be limited. The larger the area of ​​the heating rod extending out of the limiting sleeve, the higher the heating temperature of the drug mist. It can control the heating temperature of the drug mist in different seasons and weather temperatures.

[0019] 2. The respiratory tract infection drug delivery device of the present invention, after the nasal plug sleeve is fitted inside the nasal cavity, the cavity sealing cover is placed on the surface of the patient's cavity. At this time, the drug injection mixing cylinder is injected with liquid medicine or pills. At this time, the tilt angle of the drug injection mixing cylinder allows the liquid medicine and pill particles to accumulate at the lowest point of the drug injection mixing cylinder. Then, a small electric motor rotates the transmission rod, and the crushing plate at one end of the transmission rod crushes the pills and liquid medicine accumulated at the lowest point of the drug injection mixing cylinder, so that the pills gradually dissolve into the interior of the liquid medicine. The rapid rotation of the crushing plate can achieve the effect of fully mixing the liquid medicine and pills together.

[0020] 3. The respiratory tract infection drug delivery device of the present invention, after the pill melts rapidly inside the liquid medicine, is filtered by a filter screen. Then, the liquid medicine inside the U-shaped support tube is absorbed by a cold evaporator and evaporated into a drug mist through the U-shaped support tube. The drug mist accumulates inside the gas-gathering sleeve. At this time, the patient inhales into the cavity closure, and the drug mist inside the nebulizer is absorbed and drawn by the guide hose. As the gas inside the nebulizer changes, the elastic swing plate unfolds under the suction of the gas. At this time, the gas inside the gas-gathering sleeve quickly passes through the heating cylinder and is heated after the elastic swing plate opens. The drug mist enters the cavity through the guide hose and enters the respiratory tract. The elastic swing plate blocks and slows down the rapidly flowing evaporating drug, avoiding the discomfort caused by the rapidly flowing drug gas directly impacting the throat or bronchus.

[0021] 4. The respiratory infection drug delivery device of the present invention involves inserting a nasal plug into the patient's nasal cavity. This expands the nasal cavity, preventing nasal congestion and breathing difficulties caused by respiratory infections. This allows the patient to expel medication through the nasal cavity instead of through the mouth. The expanded nasal cavity dilates the capillaries within, enabling the medication to penetrate the mucous membrane and enter the bloodstream more quickly. This expansion effectively increases airflow and the contact between capillaries and the medication, thereby increasing the rate of drug absorption. Attached Figure Description

[0022] The invention will now be further described with reference to the accompanying drawings.

[0023] Figure 1 This is a perspective view of the present invention;

[0024] Figure 2 This is a perspective view of the snap-fit ​​retaining ring in this invention;

[0025] Figure 3 This is a sectional perspective view of the atomizing accumulation cylinder in this invention;

[0026] Figure 4 This is a cross-sectional perspective view of the heating cylinder in this invention;

[0027] Figure 5 This is a partial sectional perspective view of the nasal cavity expander in this invention;

[0028] Figure 6 This is a perspective view of the drug injection mixing cylinder in this invention;

[0029] Figure 7 This is a perspective view of the grinding disc in this invention.

[0030] In the diagram: 11. Snap-fit ​​retaining ring; a1. Cold evaporator; a2. U-shaped support tube; a3. Fixing frame; a4. Injection mixing cylinder; a5. Sealing head two; a6. Filter screen; a7. Support frame; a8. Small electric motor; a9. Transmission rod; a10. Compressing disc; a11. Semi-circular extruded soft block; 12. Atomizing accumulation cylinder; 121. Sealing head one; 122. Gas-gathering sleeve; 123. Elastic swing plate; 124. Heating cylinder; 12 5. Baffle plate; 126. Vent hole; 127. Limiting sleeve; 128. Overlapping ring; 129. Support cylinder; 1210. Heating rod; 1211. Blocking strip; 1212. Threaded rod; 1213. Nut; 13. Drainage hose; 14. Nasal cavity expander; 141. Nasal plug sleeve; 142. Anti-slip layer; 143. Vent hole; 144. Swinging soft block; 145. Nasal wing fitting plate; 146. Anti-slip soft strip; 15. Cavity sealing cover. Detailed Implementation

[0031] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0032] like Figures 3 to 4 As shown, an embodiment of the present invention provides a respiratory infection drug delivery device, including a heating cylinder 124. Two sets of baffles 125 are fixedly connected to the inner wall of the heating cylinder 124 at the upper and lower edges. Ventilation holes 126 are respectively opened on the outer surfaces of the two sets of baffles 125 at opposite edges. A limiting sleeve 127 is fixedly installed on the outer surface of the heating cylinder 124 at the middle position of the two sets of baffles 125. A support cylinder 129 is provided on the outer surface of the heating cylinder 124 at a symmetrical position to the limiting sleeve 127. A heating rod 1210 is movably sleeved on the inner wall of the limiting sleeve 127. A threaded rod 1212 is fixedly connected to one end of the heating rod 1210 and movably sleeved on the inner wall of the support cylinder 129. A nut 1213 is threadedly movably sleeved on the outer surface of the threaded rod 1212 and on the outer surface of the support cylinder 129.

[0033] Before preparation, the nut 1213 is rotated on the surface of the threaded rod 1212, causing the threaded rod 1212 and the heating rod 1210 to move horizontally to one side under the constraint of the limiting sleeve 127 and the support sleeve 129. This allows the heating rod 1210 to move out of the limiting sleeve 127. When the drug mist flows through the vent 126 on the outer surface of the baffle plate 125, the drug mist will contact the surface of the heating rod 1210. The heating rod 1210 can then move out of the limiting sleeve 127. By varying the area of ​​the 27mm diameter sleeve to change the contact range of the drug mist, the degree of heating of the drug mist can be limited. The larger the area of ​​the limiting sleeve 127 extended from the heating rod 1210, the higher the heating temperature of the drug mist. This allows for control of the heating temperature of the drug mist in different seasons and weather temperatures, avoiding the limitations of traditional drug heating methods where the temperature is limited. In cases where the weather temperature is too low, the absorbed drug mist may not be hot enough, causing cold stimulation to the patient's respiratory tract.

[0034] like Figures 1 to 4 and Figure 6 As shown, a blocking strip 1211 is fixedly connected to the outer surface of the other end of the heating rod 1210. An overlapping ring 128 is provided on the inner wall of the limiting sleeve 127. An atomizing accumulation cylinder 12 is fixedly installed on the outer surface of the heating cylinder 124. A gas-gathering sleeve 122 is fixedly connected to the bottom inner wall of the atomizing accumulation cylinder 12. An elastic swing plate 123 is provided on the top surface of the gas-gathering sleeve 122. A sealing head 121 is provided on the bottom surface of the atomizing accumulation cylinder 12 at the junction of the atomizing accumulation cylinder 12 and the gas-gathering sleeve 122. A snap-fit ​​fixing ring 11 is provided on the outer surface of the atomizing accumulation cylinder 12. A fixing frame a3 is fixedly installed on the outer surface of the snap-fit ​​fixing ring 11 at the bottom edge. A drug injection mixing cylinder a4 is provided on the outer surface of the fixing frame a3. A U-shaped support tube a2 is fixedly installed on the bottom surface of the drug injection mixing cylinder a4.

[0035] After the pills melt rapidly inside the liquid medicine, the pill particles are filtered by the filter screen a6. Then, the liquid medicine inside the U-shaped support tube a2 is absorbed by the cold evaporator a1 and evaporated into a mist-like atomization. This mist accumulates inside the gas-gathering sleeve 122. Simultaneously, the patient inhales into the cavity closure 15, and the guide hose 13 absorbs and pulls the mist inside the atomizing accumulation cylinder 12. As the gas inside the atomizing accumulation cylinder 12 changes, the elastic swing plate 123 moves in response to the gas flow. The gas is deployed under airflow. At this time, the gas inside the gas-gathering sleeve 122 is quickly passed through the heating cylinder 124 and heated after the elastic swing plate 123 is opened. This allows the drug mist to enter the cavity through the guide tube 13 and enter the respiratory tract. The elastic swing plate 123 is used to block and slow down the rapidly flowing evaporating drug, preventing the rapidly flowing drug gas from directly impacting the throat or bronchus and causing discomfort to the patient. At the same time, when the patient stops inhaling, the elastic swing plate 123 will close again, thus effectively preventing the continuous emission of drug mist.

[0036] like Figure 2 , Figures 6 to 7 As shown, a cold evaporator a1 is fixedly connected to the other end of the U-shaped support tube a2. The output end of the cold evaporator a1 is located on the inner wall of the sealing head 121. A sealing head 2 a5 is movably sleeved on the top surface of the drug injection mixing cylinder a4. A small electric motor a8 is fixedly installed on the top surface of the drug injection mixing cylinder a4 and at one edge position. A transmission rod a9 is fixedly connected to the output end of the small electric motor a8 and is movably adjustable on the inner wall of the drug injection mixing cylinder a4. A support frame a7 is fixedly connected to the inner wall of the drug injection mixing cylinder a4. The outer surface of the transmission rod a9 is movably adjustable on the inner wall of the support frame a7. A filter screen a6 is fixedly installed on the inner wall of the drug injection mixing cylinder a4. A rolling disc a10 is fixedly connected to one end of the transmission rod a9 and is movably overlapped on the surface of the drug injection mixing cylinder a4 and the filter screen a6. A semi-circular extrusion block a11 is provided on the outer surface of the rolling disc a10.

[0037] After the nasal plug sleeve 141 is fitted inside the nasal cavity, the cavity sealing cover 15 is placed on the patient's cavity surface. At this time, the drug injection mixing cylinder a4 is injected with liquid or pills. With the tilt angle of the drug injection mixing cylinder a4, the liquid and pill particles can accumulate at the lowest point of the drug injection mixing cylinder a4. Then, the small electric motor a8 rotates the transmission rod a9, and the crushing disc a10 at one end of the transmission rod a9 crushes the pills and liquid accumulated at the lowest point of the drug injection mixing cylinder a4, so that the pills gradually dissolve into the liquid. The rapid rotation of the crushing disc a10 can make the liquid and pills fully mixed together.

[0038] like Figure 1 and Figure 5 As shown, a flow guide hose 13 is fixedly installed on the top surface of the heating cylinder 124. A cavity sealing cover 15 is provided at the other end of the flow guide hose 13. A nasal cavity expander 14 is provided on the outer surface of the cavity sealing cover 15. The nasal cavity expander 14 includes a nasal plug sleeve 141. An anti-slip layer 142 is provided on the outer surface of the nasal plug sleeve 141. A swinging soft block 144 is provided on the outer surface of the nasal plug sleeve 141 and at the bottom edge. A nasal wing fitting plate 145 is fixedly connected to the top surface of the swinging soft block 144. An anti-slip soft strip 146 is fixedly installed on the inner wall of the nasal wing fitting plate 145. An exhaust hole 143 is provided on the inner bottom wall of the nasal plug sleeve 141.

[0039] By inserting the nasal plug sleeve 141 into the patient's nasal cavity, the nasal cavity can be expanded, avoiding nasal congestion and difficulty breathing caused by respiratory infections. This allows the patient to expel medication through the nasal cavity instead of through the mouth. The expanded nasal cavity dilates the capillaries inside, allowing the medication to quickly penetrate the mucous membrane and enter the bloodstream while being expelled through the nasal cavity. This expansion of the nasal cavity effectively increases airflow and the contact between capillaries and the medication, thereby increasing the absorption rate of the medication.

[0040] The soft material of the anti-slip layer 142 on the outer surface of the nasal plug sleeve 141 allows for precise positioning of the nasal plug sleeve 141 when it is fitted against the inner wall of the patient's nasal cavity. Simultaneously, the soft anti-slip layer 142 effectively reduces irritation to the inner wall of the nasal cavity, ensuring the nasal plug sleeve 141 is firmly positioned inside the nasal cavity. At this point, the oscillating soft block 144 moves the nasal alar adhesive plate 145, causing the anti-slip soft strip 146 on the inner wall of the nasal alar adhesive plate 145 to softly adhere to both sides of the nasal alar. The anti-slip strip 146 increases the anti-slip properties between the strip and the nasal wings. At the same time, the soft material of the anti-slip strip 146 deforms under the elastic compression of the swinging soft block 144, allowing it to fully adhere to the recesses on both sides of the nasal wings. This achieves the effect of double compression from the inside and outside of the nasal plug sleeve 141 and the nasal wing fitting plate 145, ensuring that the nasal plug sleeve 141 can be firmly fitted inside the nasal cavity. This eliminates the need for the patient to constantly support it with their hand, or the discomfort caused by the elastic compression of the elastic wire.

[0041] Working principle: The nasal plug sleeve 141 is inserted into the patient's nasal cavity. The nasal plug sleeve 141 expands the nasal cavity, avoiding nasal congestion and difficulty breathing caused by respiratory infections. When the patient uses the mouth to absorb medication, the medication can be expelled through the nasal cavity. The expanded nasal cavity dilates the capillaries inside the nasal cavity, allowing the medication to quickly penetrate the mucous membrane and enter the bloodstream while being expelled through the nasal cavity. The expansion of the nasal cavity by the nasal plug sleeve 141 effectively increases the airflow rate and the contact between the capillaries and the medication, thereby increasing the absorption rate of the medication.

[0042] The soft material of the anti-slip layer 142 on the outer surface of the nasal plug sleeve 141 allows for precise positioning of the nasal plug sleeve 141 when it is fitted against the inner wall of the patient's nasal cavity. Simultaneously, the soft anti-slip layer 142 effectively reduces irritation to the inner wall of the nasal cavity, ensuring the nasal plug sleeve 141 is firmly positioned inside the nasal cavity. At this point, the oscillating soft block 144 moves the nasal alar adhesive plate 145, causing the anti-slip soft strip 146 on the inner wall of the nasal alar adhesive plate 145 to softly adhere to both sides of the nasal alar. The anti-slip strip 146 increases the anti-slip properties between the strip and the nasal wings. At the same time, the soft material of the anti-slip strip 146 is deformed under the elastic compression of the swinging soft block 144, so that the anti-slip strip 146 can fully adhere to the recesses on both sides of the nasal wings. This achieves the effect of double compression from the inside and outside of the nasal plug sleeve 141 and the nasal wing fitting plate 145, so that the nasal plug sleeve 141 can be firmly fitted inside the nasal cavity without the need for the patient to hold it with their hand, or the elastic compression of the elastic wire causing discomfort to the patient's face.

[0043] After the nasal plug sleeve 141 is fitted inside the nasal cavity, the cavity sealing cover 15 is placed on the patient's cavity surface. At this time, the drug injection mixing cylinder a4 is injected with liquid or pills. With the tilt angle of the drug injection mixing cylinder a4, the liquid and pill particles can accumulate at the lowest point of the drug injection mixing cylinder a4. Then, the small electric motor a8 rotates the transmission rod a9, and the crushing disc a10 at one end of the transmission rod a9 crushes the pills and liquid accumulated at the lowest point of the drug injection mixing cylinder a4, so that the pills gradually dissolve into the liquid. The rapid rotation of the crushing disc a10 can make the liquid and pills fully mixed together.

[0044] After the pills rapidly melt inside the liquid medicine, they are filtered by the filter screen a6. Then, the liquid medicine inside the U-shaped support tube a2 is absorbed by the cold evaporator a1 and evaporated into a mist-like atomization. This mist accumulates inside the atomizing sleeve 122. The patient then inhales into the cavity closure 15, and the guiding hose 13 absorbs and draws the mist inside the atomizing accumulation cylinder 12. The gas changes cause the elastic swing plate 123 to unfold under the suction of the gas. At this time, the gas inside the gas-gathering sleeve 122 quickly passes through the heating cylinder 124 and is heated after the elastic swing plate 123 is opened. This allows the drug mist to enter the cavity through the guide tube 13 and enter the respiratory tract. This achieves the purpose of using the elastic swing plate 123 to block and slow down the rapidly flowing evaporating drug, preventing the rapidly flowing drug gas from directly impacting the throat or bronchus and causing discomfort to the patient.

[0045] Before preparation, the nut 1213 is rotated on the surface of the threaded rod 1212, causing the threaded rod 1212 and the heating rod 1210 to move horizontally to one side under the constraint of the limiting sleeve 127 and the support sleeve 129. This allows the heating rod 1210 to move out of the limiting sleeve 127. When the drug mist flows through the vent 126 on the outer surface of the baffle plate 125, the drug mist will come into contact with the surface of the heating rod 1210. The contact range of the drug mist can be changed according to the area of ​​the heating rod 1210 extending out of the limiting sleeve 127, thus limiting the degree of heating of the drug mist. This achieves the effect of controlling the heating temperature of the drug mist in different seasons and weather temperatures by making the larger the area of ​​the heating rod 1210 extending out of the limiting sleeve 127.

[0046] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A respiratory infection drug delivery device, comprising a heating cylinder (124), characterized in that: Two sets of baffles (125) are fixedly connected to the inner wall of the heating cylinder (124) at the upper and lower edges. Ventilation holes (126) are respectively opened on the outer surfaces of the two sets of baffles (125) at opposite edges. A limiting sleeve (127) is fixedly installed on the outer surface of the heating cylinder (124) at the middle position of the two sets of baffles (125). A support cylinder (129) is provided on the outer surface of the heating cylinder (124) at a symmetrical position to the limiting sleeve (127). A heating rod (1210) is movably sleeved on the inner wall of the limiting sleeve (127). A threaded rod (1212) is fixedly connected to one end of the heating rod (1210) and movably sleeved on the inner wall of the support cylinder (129). A nut (1213) is threadedly movably sleeved on the outer surface of the threaded rod (1212) and on the outer surface of the support cylinder (129).

2. The respiratory tract infection drug delivery device according to claim 1, characterized in that: A blocking strip (1211) is fixedly connected to the outer surface of the other end of the heating rod (1210), an overlapping ring (128) is provided on the inner wall of the limiting sleeve (127), and an atomizing accumulation cylinder (12) is fixedly installed on the outer surface of the heating cylinder (124).

3. The respiratory infection drug delivery device according to claim 2, characterized in that: A gas-gathering sleeve (122) is fixedly connected to the bottom inner wall of the atomizing stacking cylinder (12). An elastic swing plate (123) is provided on the top surface of the gas-gathering sleeve (122). A sealing head (121) is provided on the bottom surface of the atomizing stacking cylinder (12) and at the junction of the atomizing stacking cylinder (12) and the gas-gathering sleeve (122).

4. The respiratory tract infection drug delivery device according to claim 3, characterized in that: A snap-fit ​​fixing ring (11) is provided on the outer surface of the atomizing stacking cylinder (12). A fixing frame (a3) ​​is fixedly installed on the outer surface of the snap-fit ​​fixing ring (11) and at the bottom edge. A drug injection mixing cylinder (a4) is provided on the outer surface of the fixing frame (a3). A U-shaped support tube (a2) is fixedly installed on the bottom surface of the drug injection mixing cylinder (a4).

5. A respiratory infection drug delivery device according to claim 4, characterized in that: A cold evaporator (a1) is fixedly connected to the other end of the U-shaped support tube (a2). The output end of the cold evaporator (a1) is located on the inner wall of the sealing head one (121). A sealing head two (a5) is movably sleeved on the top surface of the drug injection mixing cylinder (a4). A small electric motor (a8) is fixedly installed on the top surface of the drug injection mixing cylinder (a4) and at one edge position.

6. A respiratory infection drug delivery device according to claim 5, characterized in that: A transmission rod (a9) is fixedly connected to the output end of the small electric motor (a8) and is movably adjustable on the inner wall of the drug mixing cylinder (a4). A support frame (a7) is fixedly connected to the inner wall of the drug mixing cylinder (a4), and the outer surface of the transmission rod (a9) is movably adjustable on the inner wall of the support frame (a7).

7. A respiratory infection drug delivery device according to claim 6, characterized in that: A filter screen (a6) is fixedly installed on the inner wall of the drug mixing cylinder (a4). A rolling disc (a10) is fixedly connected to one end of the transmission rod (a9) and is movably connected to the surface of the drug mixing cylinder (a4) and the filter screen (a6). A semi-circular extrusion block (a11) is provided on the outer surface of the rolling disc (a10).

8. A respiratory infection drug delivery device according to claim 1, characterized in that: A flow guide hose (13) is fixedly installed on the top surface of the heating cylinder (124), and a cavity sealing cover (15) is provided at the other end of the flow guide hose (13). A nasal cavity expander (14) is provided on the outer surface of the cavity sealing cover (15).

9. A respiratory infection drug delivery device according to claim 8, characterized in that: The nasal cavity expander (14) includes a nasal plug sleeve (141), an anti-slip layer (142) is provided on the outer surface of the nasal plug sleeve (141), a swinging soft block (144) is provided on the outer surface of the nasal plug sleeve (141) and at the bottom edge, and a nasal wing fitting plate (145) is fixedly connected to the top surface of the swinging soft block (144).

10. A respiratory infection drug delivery device according to claim 9, characterized in that: An anti-slip strip (146) is fixedly installed on the inner wall of the nasal wing fitting plate (145), and an exhaust hole (143) is provided on the inner bottom wall of the nasal plug sleeve (141).

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