Respiratory function recovery device for intensive care medicine

Abstract

The invention relates to the technical field of medical care, and discloses a respiratory function recovery device for intensive care medical care, which comprises a disposable air exchange mechanism, and a double-unit air pumping mechanism is mounted on the surface of the disposable air exchange mechanism. According to the respiratory function recovery device for the intensive care medicine, periodic switching between positive pressure and negative pressure can be achieved through periodic air pumping and air exhausting of the double-unit air pumping mechanism in the using process, so that an inspiration compensation mechanism is formed in the positive pressure stage to assist a patient in inhaling air, and an expiration compensation mechanism is formed in the negative pressure stage to assist the patient in exhaling air; in the early stage of training, an oxygen adding external connection mechanism can be matched to provide additional oxygen compensation, the effect of an inspiration compensation mechanism is improved, it is guaranteed that the oxygen uptake amount of the patient in the early stage of training is guaranteed, and therefore milder respiratory rate recovery training is provided.

Description

Technical Field

[0001] This invention relates to the field of medical nursing technology, specifically to a respiratory function recovery device for critical care medicine. Background Technology

[0002] Nursing is a comprehensive applied science that studies nursing theories, knowledge, skills, and development laws related to maintaining, promoting, and restoring human health, based on natural and social science theories. It is an independent discipline within medical science and includes knowledge from natural sciences such as biology, physics, chemistry, anatomy, and physiology.

[0003] For the recovery care of critically ill patients with respiratory system injuries or after thoracic and abdominal surgery, regular breathing rate training is an important intervention. Conventional breathing exercises often use methods such as abdominal breathing, pursed-lip breathing, and breathing exercises to optimize breathing rhythm. However, these methods have long relied mainly on the patient's subjective feelings and self-regulation to control breathing rate, lacking an objective real-time feedback mechanism, which makes it difficult to ensure the correctness of the movements. At the same time, due to the lack of substantial incentive and success compensation mechanisms, patient compliance and training persistence are often insufficient. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a respiratory function recovery device for critical care medicine, which solves the problems mentioned in the background.

[0005] This invention provides the following technical solution: a respiratory function recovery device for critical care medicine, comprising: a disposable ventilation mechanism, a dual-unit pumping mechanism mounted on the surface of the disposable ventilation mechanism, a humidifying filter mechanism at the input end of the dual-unit pumping mechanism, and an oxygen supply external mechanism mounted on the input end of the humidifying filter mechanism; the disposable ventilation mechanism includes a disposable Venturi mask, a Venturi connector, and a moisture-absorbing cloth; the Venturi connector is fixedly mounted on the surface of the disposable Venturi mask, and the moisture-absorbing cloth is fixedly attached to the inner wall of the disposable Venturi mask; the dual-unit pumping mechanism includes a disposable ventilation hose, a ventilation seat, a pumping chamber, a suction chamber, a pumping input check valve, a pumping output check valve, a suction output check valve, a suction input check valve, a pumping airbag, and a suction airbag; the disposable ventilation hose is provided with... A three-way pipe is connected to one end of the venturi interface and the other end of the venturi seat away from the venturi interface. The venturi seat is fixedly connected between the two ends of the three-way pipe. The pumping chamber and the suction chamber are both located inside the venturi seat. The pumping input check valve and the pumping output check valve are fixedly installed at the input end and the output end of the pumping chamber, respectively. The pumping input check valve is unidirectionally connected to the inside of the pumping chamber, and the pumping output check valve is unidirectionally connected to the outside of the pumping chamber. The suction output check valve is unidirectionally connected to the outside of the suction chamber, and the suction input check valve is unidirectionally connected to the inside of the suction chamber. The suction output check valve and the suction input check valve are fixedly installed at the output end and the input end of the suction chamber, respectively. The pumping airbag is fixedly installed on the surface of the pumping chamber, and the suction airbag is fixedly installed on the surface of the suction chamber.

[0006] Preferably, the disposable ventilation mechanism further includes an elastic fixing band and a sealing strip, wherein the elastic fixing band is fixedly connected to the surface of the disposable venturi cover, and the sealing strip is fixedly connected to the edge of the disposable venturi cover.

[0007] Preferably, the disposable ventilation mechanism further includes a ventilation safety plate, breathing micropores, and a filter cloth. The ventilation safety plate is fixedly connected to the inside of the disposable venturi mask, the breathing micropores are formed through the surface of the ventilation safety plate, and the filter cloth is fixedly connected to the outer surface of the ventilation safety plate.

[0008] Preferably, the disposable ventilation mechanism further includes a one-way valve seat, an exhaust port, a one-way diaphragm, a flexible slit, and a fixing ring. The one-way valve seat is fixedly connected to the surface of the disposable venturi cover. The exhaust port is opened through the surface of the one-way valve seat. The one-way diaphragm is fixedly connected to the outside of the one-way valve seat by the fixing ring. The flexible slit is opened inside the one-way diaphragm.

[0009] Preferably, the dual-unit air pumping mechanism further includes an air inlet hose, an air inlet connector, an air exchange connector, and an air exchange sleeve. The air inlet hose is fixedly connected to the input end of the air pumping chamber. The air inlet connector is fixedly connected to one end of the air inlet hose. The air exchange connector is fixedly connected to one end of the disposable air exchange hose, and the air exchange sleeve is fixedly connected to the other end of the disposable air exchange hose. The disposable air exchange hose is threadedly connected to a Venturi connector via the air exchange connector, and the disposable air exchange hose is threadedly connected to a T-connector via the air exchange sleeve. Rubber rings are provided on the surface of the air exchange connector and inside the air exchange sleeve.

[0010] Preferably, the dual-unit pumping mechanism further includes an exhaust hood, an exhaust port, an isolation filter element, a first protective shell, a first limit switch, a second protective shell, and a second limit switch. The exhaust hood is fixedly connected to the output end of the suction chamber, the exhaust port is opened through the surface of the exhaust hood, the isolation filter element is fixedly connected to the inside of the exhaust hood, the first protective shell is fixedly connected to one side of the ventilation seat, and the second protective shell is fixedly connected to the other side of the ventilation seat. The first limit switch is fixedly installed inside the second protective shell, and the second limit switch is fixedly installed inside the second protective shell.

[0011] Preferably, the dual-unit pumping mechanism further includes a synchronizing plate, a clearance port, a connecting slide column, a synchronizing bar, a threaded ring, and an isolation slide cylinder. The synchronizing plate is fixedly connected between the pumping air bag and the suction air bag. The clearance port is opened through the surface of the synchronizing plate. The connecting slide column is fixedly inserted into one side of the synchronizing plate. The isolation slide cylinder is fixedly inserted into the interior of the air exchange seat, and there are two isolation slide cylinders. The inner wall of the isolation slide cylinder is slidably connected to the surface of the connecting slide column. The synchronizing bar is fixedly connected to the end of the connecting slide column away from the synchronizing plate, and the threaded ring is fixedly connected to the interior of the synchronizing bar.

[0012] Preferably, the dual-unit air pumping mechanism further includes a support column, a support plate, a training motor, a threaded column, and a compression spring. There are two support columns, and both support columns are fixedly connected to the surface of the air exchange seat. The support plate is fixedly connected between the two support columns. The training motor is fixedly installed on the surface of the air exchange seat. The threaded column is fixedly installed on the output end of the training motor through a coupling, and the surface of the threaded column is threadedly connected to the inner wall of the threaded ring. The compression spring is movably sleeved on the surface of the threaded column.

[0013] Preferably, the humidification and filtration mechanism includes an air guide seat, an exhaust channel, an intake channel, an exhaust connecting cylinder, an intake connecting cylinder, a first sealing ring, a second sealing ring, a lower edge tube, a check valve, and a humidification bottle. Both the exhaust channel and the intake channel are located inside the air guide seat. The exhaust connecting cylinder is integrally disposed at one end of the exhaust channel, and the air guide seat is threadedly connected to one end of the intake connector via the exhaust connecting cylinder. The intake connecting cylinder is integrally disposed at one end of the intake channel. The first sealing ring is fixedly connected to the inside of both the exhaust connecting cylinder and the intake connecting cylinder. The second sealing ring is fixedly connected to the inner wall of the air guide seat. The lower edge tube is fixedly inserted into the bottom end of the intake channel. The check valve is fixedly installed inside the lower edge tube. The humidification bottle is threadedly connected to the bottom of the air guide seat.

[0014] Preferably, the external oxygen supply mechanism includes a medical oxygen cylinder, a valve, a pressure gauge, and a connector. The valve is fixedly installed on the top of the medical oxygen cylinder, the pressure gauge is fixedly installed on the surface of the valve, the connector is integrally set at the output end of the valve, and the medical oxygen cylinder is threadedly connected to the air inlet connecting cylinder through the connector.

[0015] Compared with the prior art, the present invention has the following beneficial effects: This respiratory function recovery device for critical care nursing utilizes a disposable ventilation mechanism, a dual-unit pumping mechanism, a humidification and filtration mechanism, and an external oxygen supply mechanism. During use, the dual-unit pumping mechanism periodically pumps and draws air to achieve cyclical switching between positive and negative pressure. This creates an inspiratory compensation mechanism during the positive pressure phase, assisting the patient in inhaling air, and an expiratory compensation mechanism during the negative pressure phase, assisting the patient in exhaling air. This allows the patient to adaptively adjust their respiratory rate based on their own respiratory feedback difficulty. In the initial training phase, the external oxygen supply mechanism can provide additional oxygen compensation, enhancing the effectiveness of the inspiratory compensation mechanism and ensuring adequate oxygen intake for the patient in the early stages of training, thus providing a gentler respiratory rate recovery training.

[0016] This respiratory function recovery device for critical care uses a disposable venturi mask, venturi connector, absorbent cloth, elastic fixing strap, sealing strip, ventilation safety plate, breathing micropores, filter cloth, one-way valve seat, exhaust port, one-way diaphragm, flexible seam, and fixing ring. During use, the absorbent cloth can absorb moisture generated during breathing, and the ventilation safety plate and breathing micropores can act as a safety measure during breathing to prevent excessive discomfort caused by excessive positive or negative pressure.

[0017] This respiratory function recovery device for critical care nursing, through its disposable ventilation hose, ventilation seat, pump chamber, suction chamber, pump inlet check valve, pump outlet check valve, suction outlet check valve, suction inlet check valve, pump bladder, suction bladder, inlet hose, inlet connector, ventilation connector, ventilation sleeve, waste gas hood, waste gas outlet, isolation filter, first protective shell, first limit switch, second protective shell, second limit switch, synchronization plate, clearance port, connecting slide, synchronization bar, threaded ring, isolation slide cylinder, support column, support plate, training motor, threaded column, and compression spring, can use the pump bladder and suction bladder in conjunction to pump and suction air, thereby mimicking the breathing rate of a normal person to provide positive and negative pressure. This allows patients to adjust their breathing rate according to the different positive and negative pressures, thus achieving respiratory training.

[0018] This respiratory function recovery device for critical care nursing, through its air guide seat, exhaust channel, intake channel, exhaust connecting tube, intake connecting tube, first sealing ring, second sealing ring, lower edge tube, check valve, and humidification bottle, can humidify and filter the incoming air during use, improving breathing comfort and reducing irritation.

[0019] This respiratory function recovery device for critical care nursing, through its medical oxygen cylinder, valve, pressure gauge, and connectors, can provide patients with a high concentration of oxygen gas during the initial training phase, ensuring better compensation and more sufficient oxygen for each inhalation. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the external oxygen supply mechanism of the present invention; Figure 3 This is a schematic diagram of the structure of the external oxygen supply mechanism of the present invention when it is not installed; Figure 4 This is a cross-sectional view of the humidification and filtration mechanism of the present invention; Figure 5 This is a schematic diagram of the one-time ventilation mechanism of the present invention; Figure 6 This is a side sectional view of the disposable ventilation mechanism of the present invention; Figure 7 This is a schematic diagram of the exploded structure at the location of the single-way valve seat of the present invention; Figure 8 This is a schematic diagram of the main structure of the dual-unit pumping mechanism of the present invention; Figure 9 This is a cross-sectional view of the main body of the dual-unit pumping mechanism of the present invention. Figure 10 This is a top sectional view of the main body of the dual-unit pumping mechanism of the present invention; Figure 11 This is a schematic diagram of the structure at the synchronization plate position of the dual-unit pumping mechanism of the present invention; Figure 12 This is a schematic diagram of the structure at the location of the synchronization bar in this invention; Figure 13 This is a schematic diagram of the structure at the location of the training motor in this invention.

[0021] In the picture: 101. Disposable Venturi mask; 102. Venturi connector; 103. Moisture-absorbing cloth; 104. Elastic retaining strap; 105. Sealing strip; 106. Venturi safety plate; 107. Breathing micropores; 108. Filter cloth; 109. One-way valve seat; 110. Exhaust port; 111. One-way diaphragm; 112. Flexible seam; 113. Retaining pressure ring; 201. Disposable ventilation hose; 202. 203. Air exchange seat; 204. Pump chamber; 205. Suction chamber; 206. Pump inlet check valve; 207. Pump outlet check valve; 208. Suction outlet check valve; 209. Suction inlet check valve; 210. Pump air bag; 211. Suction air bag; 212. Inlet hose; 213. Air inlet connector; 214. Air exchange connector; 215. Air exchange sleeve; 216. Exhaust hood; 217. Air vent; 218. Isolation filter element; 219. First protective shell; 220. First limit switch; 221. Second protective shell; 222. Second limit switch; 223. Synchronization plate; 224. Clearance port; 225. Connecting slide column; 226. Synchronization bar; 227. Threaded ring; 228. Isolation slide cylinder; 229. Support column; 230. Support plate; 231. Training motor; 232. Threaded column; 233. Compression spring; 301. Air guide seat; 302. Exhaust channel; 303. Intake channel; 304. Exhaust connecting cylinder; 305. Intake connecting cylinder; 306. First sealing ring; 307. Second sealing ring; 308. Lower edge tube; 309. Check valve; 310. Humidifier bottle; 401. Medical oxygen cylinder; 402. Valve; 403. Pressure gauge; 404. Connector. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figure 1-13A respiratory function recovery device for critical care medicine includes: a disposable ventilation mechanism; a dual-unit pump mechanism mounted on the surface of the disposable ventilation mechanism; a humidifying filter mechanism at the input end of the dual-unit pump mechanism; and an external oxygen supply mechanism at the input end of the humidifying filter mechanism. The disposable ventilation mechanism includes a disposable Venturi mask 101, a Venturi interface 102, and a moisture-absorbing cloth 103. The Venturi mask is a high-flow medical oxygen delivery device designed based on the Venturi effect in fluid mechanics. Its core principle is that oxygen forms a jet airflow through a narrow channel, creating a negative pressure zone at the edge of the mask to draw in ambient air. The precise mixing ratio of air and oxygen is controlled by adjusting the edge seam size. The Venturi interface 102 is fixedly installed. On the surface of the disposable Venturi cover 101, a moisture-absorbing cloth 103 is fixedly attached to the inner wall of the disposable Venturi cover 101. The dual-unit air pumping mechanism includes a disposable air exchange hose 201, an air exchange seat 202, an air pumping chamber 203, an air extraction chamber 204, an air pumping input check valve 205, an air pumping output check valve 206, an air extraction output check valve 207, an air extraction input check valve 208, an air pumping airbag 209, and an air extraction airbag 210. The disposable air exchange hose 201 is located at one end of the Venturi interface 102, and a T-connector is connected to the end of the air exchange seat 202 away from the Venturi interface 102. The air exchange seat 202 is fixedly connected between the two ends of the T-connector. The air pumping chamber 203 and the air extraction chamber 204 are both located on the air exchange seat 201. Inside 02, the pumping air input check valve 205 and the pumping air output check valve 206 are respectively fixedly installed at the input end and the output end of the pumping air chamber 203. The pumping air input check valve 205 is unidirectionally connected to the inside of the pumping air chamber 203, and the pumping air output check valve 206 is unidirectionally connected to the outside of the pumping air chamber 203. The suction output check valve 207 is unidirectionally connected to the outside of the suction chamber 204, and the suction input check valve 208 is unidirectionally connected to the inside of the suction chamber 204. The suction output check valve 207 and the suction input check valve 208 are respectively fixedly installed at the output end and the input end of the suction chamber 204. The pumping air bag 209 is fixedly installed on the surface of the pumping air chamber 203, and the suction air bag 210 is fixed. Installed on the surface of the suction chamber 204, through a disposable air exchange mechanism, a dual-unit pumping mechanism, a humidification and filtration mechanism, and an external oxygen supply mechanism, it can achieve periodic switching between positive and negative pressure by periodically pumping and suctioning air using the dual-unit pumping mechanism. This forms an inspiratory compensation mechanism during the positive pressure phase to assist the patient in inhaling gas, and an expiratory compensation mechanism during the negative pressure phase to assist the patient in exhaling gas. This allows the patient to adaptively adjust their respiratory rate based on their own respiratory feedback difficulty. In the early stages of training, it can also be used with the external oxygen supply mechanism to provide additional oxygen compensation, which not only enhances the effectiveness of the inspiratory compensation mechanism but also ensures that the patient's oxygen intake is guaranteed in the early stages of training, thus providing a gentler respiratory rate recovery training.

[0024] The disposable ventilation mechanism also includes an elastic fixing band 104 and a sealing strip 105. The elastic fixing band 104 is fixedly connected to the surface of the disposable venturi cover 101, and the sealing strip 105 is fixedly connected to the edge of the disposable venturi cover 101.

[0025] The disposable ventilation mechanism also includes a ventilation safety plate 106, breathing micropores 107, and a filter cloth 108. The ventilation safety plate 106 is fixedly connected to the inside of the disposable venturi mask 101, the breathing micropores 107 are opened through the surface of the ventilation safety plate 106, and the filter cloth 108 is fixedly connected to the outer surface of the ventilation safety plate 106.

[0026] The disposable ventilation mechanism also includes a one-way valve seat 109, an exhaust port 110, a one-way diaphragm 111, a flexible slit 112, and a fixing ring 113. The one-way valve seat 109 is fixedly connected to the surface of the disposable venturi inner cover 101. The exhaust port 110 is formed through the surface of the one-way valve seat 109. The one-way diaphragm 111 is fixedly connected to the outside of the one-way valve seat 109 by the fixing ring 113. The flexible slit 112 is formed inside the one-way diaphragm 111. The disposable venturi inner cover 109... 1. The Venturi connector 102, absorbent cloth 103, elastic fixing strap 104, sealing strip 105, vent safety plate 106, breathing micropores 107, filter cloth 108, one-way valve seat 109, exhaust port 110, one-way diaphragm 111, flexible seam 112, and fixing ring 113 can absorb moisture generated during breathing using the absorbent cloth 103, and can also use the vent safety plate 106 and breathing micropores 107 as a safety measure during breathing to avoid excessive discomfort caused by excessive positive and negative pressure.

[0027] The dual-unit air pumping mechanism also includes an air inlet hose 211, an air inlet connector 212, an air exchange connector 213, and an air exchange sleeve 214. The air inlet hose 211 is fixedly connected to the input end of the air pumping chamber 203. The air inlet connector 212 is fixedly connected to one end of the air inlet hose 211. The air exchange connector 213 is fixedly connected to one end of the disposable air exchange hose 201, and the air exchange sleeve 214 is fixedly connected to the other end of the disposable air exchange hose 201. The disposable air exchange hose 201 is threadedly connected to the Venturi connector 102 through the air exchange connector 213, and the disposable air exchange hose 201 is threadedly connected to the tee pipe through the air exchange sleeve 214. Rubber rings are provided on the surface of the air exchange connector 213 and inside the air exchange sleeve 214.

[0028] The dual-unit pumping mechanism also includes an exhaust hood 215, an exhaust port 216, an isolation filter element 217, a first protective shell 218, a first limit switch 219, a second protective shell 220, and a second limit switch 221. The exhaust hood 215 is fixedly connected to the output end of the suction chamber 204. The exhaust port 216 is opened through the surface of the exhaust hood 215. The isolation filter element 217 is fixedly connected inside the exhaust hood 215. The first protective shell 218 is fixedly connected to one side of the ventilation seat 202, and the second protective shell 220 is fixedly connected to the other side of the ventilation seat 202. The first limit switch 219 is fixedly installed inside the second protective shell 220, and the second limit switch 221 is fixedly installed inside the second protective shell 220.

[0029] The dual-unit air pumping mechanism also includes a synchronization plate 222, a clearance port 223, a connecting slide column 224, a synchronization bar 225, a threaded ring 226, and an isolation slide cylinder 227. The synchronization plate 222 is fixedly connected between the pumping air bag 209 and the suction air bag 210. The clearance port 223 is opened through the surface of the synchronization plate 222. The connecting slide column 224 is fixedly inserted into one side of the synchronization plate 222. The isolation slide cylinder 227 is fixedly inserted into the interior of the air exchange seat 202. There are two isolation slide cylinders 227, and the inner wall of the isolation slide cylinder 227 is slidably connected to the surface of the connecting slide column 224. The synchronization bar 225 is fixedly connected to the end of the connecting slide column 224 away from the synchronization plate 222. The threaded ring 226 is fixedly connected to the interior of the synchronization bar 225.

[0030] The dual-unit air pumping mechanism includes support columns 228, support plates 229, a training motor 230, threaded columns 231, and compression springs 232. There are two support columns 228, both fixedly connected to the surface of the air exchange seat 202. The support plate 229 is fixedly connected between the two support columns 228. The training motor 230 is fixedly mounted on the surface of the air exchange seat 202. The threaded column 231 is fixedly mounted on the output end of the training motor 230 via a coupling, and its surface is threadedly connected to the inner wall of the threaded ring 226. The compression spring 232 is movably sleeved on the surface of the threaded column 231. The mechanism is connected via a disposable air exchange hose 201, air exchange seat 202, air pumping chamber 203, air extraction chamber 204, air pumping input check valve 205, air pumping output check valve 206, and air extraction output check valve 207. The system includes an input one-way valve 208, a pumping airbag 209, a suction airbag 210, an inlet hose 211, an inlet connector 212, a ventilation connector 213, a ventilation sleeve 214, an exhaust hood 215, an exhaust vent 216, an isolation filter element 217, a first protective shell 218, a first limit switch 219, a second protective shell 220, a second limit switch 221, a synchronization plate 222, a clearance port 223, a connecting slide 224, a synchronization bar 225, a threaded ring 226, an isolation slide cylinder 227, a support column 228, a support plate 229, a training motor 230, a threaded column 231, and a compression spring 232. During use, the pumping airbag 209 and the suction airbag 210 work together to pump and suction air, mimicking the normal breathing rate to provide positive and negative pressure. This allows patients to adjust their breathing rate according to the different positive and negative pressures, thus achieving respiratory training.

[0031] The humidification and filtration mechanism includes an air guide seat 301, an exhaust channel 302, an intake channel 303, an exhaust connecting cylinder 304, an intake connecting cylinder 305, a first sealing ring 306, a second sealing ring 307, a lower edge tube 308, a check valve 309, and a humidification bottle 310. Both the exhaust channel 302 and the intake channel 303 are located inside the air guide seat 301. The exhaust connecting cylinder 304 is integrally formed at one end of the exhaust channel 302, and the air guide seat 301 is threadedly connected to one end of the intake connector 212 via the exhaust connecting cylinder 304. The intake connecting cylinder 305 is integrally formed at one end of the intake channel 303. The first sealing ring 306 is fixedly connected to the exhaust connecting cylinder 304. The second sealing ring 307 is fixedly connected to the inner wall of the air guide seat 301, the lower edge tube 308 is fixedly inserted into the bottom end of the air intake channel 303, the check valve 309 is fixedly installed inside the lower edge tube 308, and the humidifier bottle 310 is threadedly connected to the bottom of the air guide seat 301. Through the air guide seat 301, exhaust channel 302, air intake channel 303, exhaust connecting tube 304, air intake connecting tube 305, first sealing ring 306, second sealing ring 307, lower edge tube 308, check valve 309 and humidifier bottle 310, the incoming air can be humidified and filtered during use, improving breathing comfort and reducing irritation.

[0032] The oxygen supply external mechanism includes a medical oxygen cylinder 401, a valve 402, a pressure gauge 403, and a connector 404. The valve 402 is fixedly installed on the top of the medical oxygen cylinder 401, the pressure gauge 403 is fixedly installed on the surface of the valve 402, and the connector 404 is integrally set at the output end of the valve 402. The medical oxygen cylinder 401 is threadedly connected to the air inlet connecting cylinder 305 through the connector 404. Through the medical oxygen cylinder 401, valve 402, pressure gauge 403, and connector 404, a gas with a high oxygen concentration can be provided to the patient for training in the early stage, ensuring that the patient receives better compensation and more sufficient oxygen with each inhalation.

[0033] Working principle: When using, first fill the humidifier bottle 310 with distilled water, ensuring that the water level is significantly lower than the exhaust channel 302 and submerges the bottom of the lower edge tube 308. Then tighten the humidifier bottle 310. Install the new disposable ventilation hose 201 onto one end of the three-way tube through the ventilation connector 214. Connect the new disposable venturi mask 101 to the disposable ventilation hose 201 through the venturi connector 102. Then start the training motor 230 to pump out the exhaust gas inside the device. After the training motor 230 starts, set its forward and reverse rotation frequency to be consistent with the normal breathing frequency. Close the venturi connector 102 to prevent outside air from entering. Then cover the face with the disposable venturi mask 101 to train the breathing frequency. During training, the training motor 230 starts and rotates forward, driving the threaded column 231 to rotate forward. When the threaded column 231 rotates forward, it pushes the threaded ring 226, causing the synchronizer bar 225 to move towards the support plate 229. This, in turn, pulls the synchronizer plate 222 to move synchronously via the connecting slide column 224. At this time, the pumping air bladder 209 and the suction air bladder 210 are compressed. When the pumping air bladder 209 is compressed, the gas inside the pumping chamber 203 is compressed. The pumping air inlet check valve 205 closes, and the pumping air outlet check valve 206 opens. Fresh air inside the pumping chamber 203 is pumped into the disposable Venturi mask 101 along the three-way pipe and the disposable ventilation hose 201. At this time, the inside of the disposable Venturi mask 101... The formation of micro-negative pressure compensation makes it more convenient for patients to inhale. If the positive pressure is too high, a small amount of gas will be discharged from the breathing micro-hole 107, and at the same time, it will push open the one-way diaphragm 111 to be discharged from the exhaust port 110. This makes it easier for patients to inhale relatively normally with positive pressure assistance without the positive pressure being too high. If the patient's breathing rate is incorrect at this time, he will exhale. When exhaling, the patient will resist the positive pressure, making the exhalation comfort relatively poor. At the same time, when the suction bag 210 is compressed, the gas inside the suction chamber 204 is also compressed. The suction input one-way valve 208 is closed, the suction output one-way valve 207 is opened, and the waste gas inside the suction chamber 204 is discharged from the waste gas hood 215. When the synchronization bar 225 rises to its end position, it triggers the second limit switch 221. At this time, the training motor 230 reverses, thereby driving the threaded column 231 to reverse. When the threaded column 231 reverses, it pushes the threaded ring 226, causing the synchronization bar 225 to move away from the support plate 229. This, in turn, pushes the synchronization plate 222 to move synchronously through the connecting slide 224. At this time, the pumping air bag 209 and the suction air bag 210 are pulled open and inflated. When the pumping air bag 209 inflates, it draws in air, the pumping air input check valve 205 opens, and the pumping air output check valve 206 closes, stopping the positive pressure compensation inside the disposable Venturi cover 101. At the same time, when the suction air bag 210 inflates, a negative pressure is formed inside, causing the suction air input check valve 208 to open and the suction air output check valve 206 to close. When valve 207 is closed, the waste gas and remaining oxygen inside the disposable ventilation hose 201 are drawn back into the suction chamber 204 along the disposable ventilation hose 201 and the three-way tube. At this time, a slight negative pressure is formed inside the disposable Venturi mask 101, and the one-way diaphragm 111 is closed. Only a small amount of air is replenished inside the disposable Venturi mask 101 along the breathing micropores 107, so that the patient can receive negative pressure assistance during exhalation. If the patient's breathing rate is incorrect at this time, he will inhale. When inhaling, the patient will resist the negative pressure and find it difficult to inhale, making the inhalation comfort relatively poor. Until the synchronization bar 225 drops to the end of the position, the pumping airbag 209 and the suction airbag 210 will trigger the first limit switch 219. At this time, the training motor 230 resumes forward rotation to compress air. Therefore, if the patient's breathing frequency matches the device's switching frequency, it will match the normal breathing frequency. If the patient's breathing frequency does not match the device's switching frequency, it will spontaneously adjust due to poor breathing comfort. In the initial stage of training, the medical oxygen cylinder 401 is connected to the air inlet connector 305 through the connector 404, and the amount of outside air entering the venturi interface 102 is opened and adjusted, so that the inhaled air is replaced with air with a higher oxygen concentration. At this time, the patient can form a stronger oxygen compensation mechanism and more sufficient oxygen with each inhalation.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A respiratory function recovery device for critical care medicine, characterized in that, include: A disposable ventilation mechanism, wherein a dual-unit air pump mechanism is mounted on the surface of the disposable ventilation mechanism, a humidifying filter mechanism is provided at the input end of the dual-unit air pump mechanism, and an external oxygenation mechanism is mounted at the input end of the humidifying filter mechanism. The disposable ventilation mechanism includes a disposable venturi inner cover (101), a venturi connector (102), and a moisture-absorbing cloth (103). The venturi connector (102) is fixedly installed on the surface of the disposable venturi inner cover (101), and the moisture-absorbing cloth (103) is fixedly attached to the inner wall of the disposable venturi inner cover (101). The dual-unit air pumping mechanism includes a disposable ventilation hose (201), a ventilation seat (202), a pumping chamber (203), and an air extraction chamber (204). The system includes a pumping air inlet check valve (205), a pumping air outlet check valve (206), a suction air outlet check valve (207), a suction air inlet check valve (208), a pumping air bag (209), and a suction air bag (210). The disposable ventilation hose (201) is located at one end of the Venturi connector (102), and a T-connector is connected to the end of the ventilation seat (202) furthest from the Venturi connector (102). The ventilation seat (202) is fixedly connected between the two ends of the T-connector. The pumping air... Both the air chamber (203) and the air extraction chamber (204) are located inside the air exchange seat (202). The pump air input check valve (205) and the pump air output check valve (206) are fixedly installed at the input end and output end of the pump air chamber (203), respectively. The pump air input check valve (205) is unidirectionally connected to the inside of the pump air chamber (203), and the pump air output check valve (206) is unidirectionally connected to the outside of the pump air chamber (203). 7) The air extraction chamber (204) is unidirectionally connected to the outside, and the air extraction input check valve (208) is unidirectionally connected to the inside of the air extraction chamber (204). The air extraction output check valve (207) and the air extraction input check valve (208) are respectively fixedly installed at the output end and the input end of the air extraction chamber (204). The pump air bag (209) is fixedly installed on the surface of the pump air chamber (203), and the air extraction air bag (210) is fixedly installed on the surface of the air extraction chamber (204).

2. The respiratory function recovery device for critical care nursing according to claim 1, characterized in that, The disposable ventilation mechanism further includes an elastic fixing band (104) and a sealing strip (105). The elastic fixing band (104) is fixedly connected to the surface of the disposable venturi cover (101), and the sealing strip (105) is fixedly connected to the edge of the disposable venturi cover (101).

3. The respiratory function recovery device for critical care nursing according to claim 2, characterized in that, The disposable ventilation mechanism also includes a ventilation safety plate (106), breathing micropores (107) and a filter cloth (108). The ventilation safety plate (106) is fixedly connected to the inside of the disposable Venturi mask (101). The breathing micropores (107) are opened through the surface of the ventilation safety plate (106). The filter cloth (108) is fixedly connected to the outer surface of the ventilation safety plate (106).

4. The respiratory function recovery device for critical care nursing according to claim 3, characterized in that, The disposable ventilation mechanism further includes a one-way valve seat (109), an exhaust port (110), a one-way diaphragm (111), a flexible slit (112), and a fixing ring (113). The one-way valve seat (109) is fixedly connected to the surface of the disposable venturi cover (101). The exhaust port (110) is opened through the surface of the one-way valve seat (109). The one-way diaphragm (111) is fixedly connected to the outside of the one-way valve seat (109) by the fixing ring (113). The flexible slit (112) is opened inside the one-way diaphragm (111).

5. The respiratory function recovery device for critical care nursing according to claim 1, characterized in that, The dual-unit air pumping mechanism also includes an air inlet hose (211), an air inlet connector (212), an air exchange connector (213), and an air exchange sleeve (214). The air inlet hose (211) is fixedly connected to the input end of the air pumping chamber (203). The air inlet connector (212) is fixedly connected to one end of the air inlet hose (211). The air exchange connector (213) is fixedly connected to one end of the disposable air exchange hose (201), and the air exchange sleeve (214) is fixedly connected to the other end of the disposable air exchange hose (201). The disposable air exchange hose (201) is threadedly connected to the Venturi interface (102) through the air exchange connector (213), and the disposable air exchange hose (201) is threadedly connected to the tee pipe through the air exchange sleeve (214). Rubber rings are provided on the surface of the air exchange connector (213) and inside the air exchange sleeve (214).

6. A respiratory function recovery device for critical care medicine according to claim 5, characterized in that, The dual-unit pumping mechanism also includes an exhaust hood (215), an exhaust port (216), an isolation filter (217), a first protective shell (218), a first limit switch (219), a second protective shell (220), and a second limit switch (221). The exhaust hood (215) is fixedly connected to the output end of the suction chamber (204). The exhaust port (216) is opened through the surface of the exhaust hood (215). The isolation filter (217) is fixedly connected inside the exhaust hood (215). The first protective shell (218) is fixedly connected to one side of the ventilation seat (202), and the second protective shell (220) is fixedly connected to the other side of the ventilation seat (202). The first limit switch (219) is fixedly installed inside the second protective shell (220), and the second limit switch (221) is fixedly installed inside the second protective shell (220).

7. A respiratory function recovery device for critical care medicine according to claim 6, characterized in that, The dual-unit pumping mechanism also includes a synchronizing plate (222), a clearance port (223), a connecting slide (224), a synchronizing bar (225), a threaded ring (226), and an isolation slide (227). The synchronizing plate (222) is fixedly connected between the pumping air bag (209) and the suction air bag (210). The clearance port (223) is opened through the surface of the synchronizing plate (222). The connecting slide (224) is fixedly inserted into one side of the synchronizing plate (222). The isolation slide (227) is fixedly inserted into the interior of the air exchange seat (202). There are two isolation slides (227). The inner wall of the isolation slide (227) is slidably connected to the surface of the connecting slide (224). The synchronizing bar (225) is fixedly connected to the end of the connecting slide (224) away from the synchronizing plate (222). The threaded ring (226) is fixedly connected to the interior of the synchronizing bar (225).

8. A respiratory function recovery device for critical care nursing according to claim 7, characterized in that, The dual-unit air pumping mechanism also includes a support column (228), a support plate (229), a training motor (230), a threaded column (231), and a compression spring (232). There are two support columns (228), and both support columns (228) are fixedly connected to the surface of the air exchange seat (202). The support plate (229) is fixedly connected between the two support columns (228). The training motor (230) is fixedly installed on the surface of the air exchange seat (202). The threaded column (231) is fixedly installed on the output end of the training motor (230) through a coupling, and the surface of the threaded column (231) is threadedly connected to the inner wall of the threaded ring (226). The compression spring (232) is movably sleeved on the surface of the threaded column (231).

9. A respiratory function recovery device for critical care nursing according to claim 5, characterized in that, The humidification and filtration mechanism includes an air guide seat (301), an exhaust channel (302), an air inlet channel (303), an exhaust connecting cylinder (304), an air inlet connecting cylinder (305), a first sealing ring (306), a second sealing ring (307), a lower edge tube (308), a check valve (309), and a humidification bottle (310). The exhaust channel (302) and the air inlet channel (303) are both located inside the air guide seat (301). The exhaust connecting cylinder (304) is integrally disposed at one end of the exhaust channel (302), and the air guide seat (301) is threadedly connected to the exhaust connecting cylinder (304). Connected to one end of the air inlet connector (212), the air inlet connecting tube (305) is integrally set at one end of the air inlet channel (303), the first sealing ring (306) is fixedly connected to the inside of the exhaust connecting tube (304) and the inside of the air inlet connecting tube (305), the second sealing ring (307) is fixedly connected to the inner wall of the air guide seat (301), the lower edge tube (308) is fixedly inserted into the bottom end of the air inlet channel (303), the check valve (309) is fixedly installed inside the lower edge tube (308), and the humidifying bottle (310) is threadedly connected to the bottom of the air guide seat (301).

10. A respiratory function recovery device for critical care nursing according to claim 9, characterized in that, The oxygen supply external mechanism includes a medical oxygen cylinder (401), a valve (402), a pressure gauge (403), and a connector (404). The valve (402) is fixedly installed on the top of the medical oxygen cylinder (401), the pressure gauge (403) is fixedly installed on the surface of the valve (402), and the connector (404) is integrally set at the output end of the valve (402). The medical oxygen cylinder (401) is threadedly connected to the air inlet connecting cylinder (305) through the connector (404).

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