An adjustable ICU assisted breathing device

Abstract

The present invention discloses an adjustable ICU assisted breathing device in the field of medical device technology, comprising a breathing mask, which is connected to a trachea, and the trachea is respectively provided with an air inlet and an air outlet, the trachea is connected to the breathing mask through the air outlet, and the trachea is connected to the ventilator through the air inlet; the breathing mask is also connected to a plurality of lateral tubes, the lateral tubes are rotatably matched with a rotating shaft, the rotating shaft is fixedly connected with a baffle, and the baffle is against the lateral tubes; and a plurality of torsion springs are sleeved on the rotating shaft, and a nut is further provided on the outer wall of the lateral tube, the nut is threadedly connected to the rotating shaft, one end of the trachea close to the air outlet is connected to a first air flow sensor, and one end of the trachea close to the air inlet is connected to a second air flow sensor; the ventilator is also electrically connected to a processor; the processor controls the ventilator to work based on the measured air flow data, and can adjust the respiratory air supply according to the patient's breathing condition, so that the patient's breathing is smoother.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and in particular relates to an adjustable ICU auxiliary breathing device. Background Art

[0002] ICU, or Intensive Care Unit, can provide isolation space and equipment for critically ill or comatose patients. The most commonly used machine for critically ill patients in the ICU ward is the ventilator. As an effective means of artificially replacing the spontaneous ventilation function, the ventilator is a vital medical device that can prevent and treat respiratory failure, reduce complications, and save and prolong patients' lives.

[0003] Existing ventilators can be triggered by the patient's spontaneous breathing and adjust the air supply. The air supply adjustment often provides gas flow based on the pressure and flow during the patient's inhalation. However, during the changes in the patient's breathing, there may be a large degree of respiratory conversion, and the detection of the patient's inhalation pressure and flow is often detected through electrical signals, which has a certain delay. Therefore, the air supply adjustment often has a lag, which can easily affect the patient's breathing and reduce the patient's comfort. Summary of the Invention

[0004] The purpose of the present invention is to provide an adjustable ICU assisted breathing device, which can adjust the respiratory air supply according to the patient's breathing condition to make the patient's breathing more unobstructed.

[0005] In order to achieve the above object, the technical solution of the present invention is as follows:

[0006] An adjustable ICU assisted breathing device includes a breathing mask connected to a trachea, the trachea is provided with an air inlet and an air outlet, the trachea is connected to the breathing mask through the air outlet, and the trachea is connected to the ventilator through the air inlet;

[0007] The breathing mask is also connected to a number of side tubes, which are rotatably matched with a rotating shaft, and a baffle is fixedly connected to the rotating shaft, which is against the side tubes; and a number of torsion springs are sleeved on the rotating shaft, and a nut is also provided on the outer wall of the side tube, which is threadedly connected to the rotating shaft.

[0008] One end of the trachea near the air outlet is connected to a first air flow sensor, and one end of the trachea near the air inlet is connected to a second air flow sensor; the ventilator is also electrically connected to a processor;

[0009] The first air flow sensor is used to detect first air flow data of the air pipe near the air outlet in real time, and send the first air flow data to the processor; the second air flow sensor is used to detect second air flow data of the air pipe near the air inlet in real time, and send the second air flow data to the processor, and the processor compares the first air flow data with the second air flow data;

[0010] If the first air flow data is less than or equal to the second air flow data, the processor calculates the difference between the first air flow data and the second air flow data, and then compares the difference with the set first standard value. If the difference is greater than the first standard value, the processor sends an air supply increase instruction to the ventilator based on the ratio between the difference and the standard value. If the difference is less than the first standard value, the processor sends an air supply maintain instruction to the ventilator; if the first air flow data is greater than the second air flow data, the processor sends an air supply decrease instruction to the ventilator.

[0011] The following beneficial effects are achieved by adopting the above scheme:

[0012] During spontaneous breathing, the patient's chest cavity expands, causing air pressure changes in the breathing mask, thereby causing an air flow difference between the first air flow sensor and the second air flow sensor.

[0013] At the same time, the patient's breathing drives the baffle to rotate, so that the lateral tube remains unobstructed, thereby increasing the temporary oxygen supply in the breathing mask, and then the first air flow data and the second air flow data are compared by the processor to control the air supply changes of the ventilator; compared with the existing technology, the hysteresis of the air supply adjustment is reduced through the delay control of the electrical signal and the temporary control of the lateral tube, which can meet the patient's usage needs, and can adjust the respiratory air supply according to the patient's breathing condition, so that the patient's breathing is smoother, thereby improving the patient's usage experience.

[0014] During the use of the breathing mask, medical personnel can manually turn the nut to push the shaft to move on the lateral tube according to the different patients, so as to adjust the pressure of the torsion spring and thus adjust the resistance applied by the torsion spring to the baffle to control the difficulty of the lateral tube being affected by the patient's breathing.

[0015] Furthermore, the lateral pipe is also connected to a third air flow sensor, which is used to detect third air flow data in the lateral pipe in real time and send the third air flow data to the processor;

[0016] When the processor sends an air supply reduction instruction to the ventilator, the processor compares the third air flow data with the set correction value. If the third air flow data is greater than or equal to the correction value, the processor sends an air supply maintenance instruction to the ventilator and sends a verification pass instruction to the processor. If the third air flow data is less than the correction value, the processor sends an air supply reduction instruction to the ventilator and sends a verification pass instruction to the processor.

[0017] Beneficial effect: The processor uses the third air flow data measured by the third air flow sensor to confirm whether the air supply at the current time meets the patient's breathing needs, thereby making specific air supply adjustment confirmation for the ventilator.

[0018] Furthermore, a support is fixedly connected to the inside of the lateral tube, and the support is located on the side of the baffle away from the breathing mask.

[0019] Beneficial effect: The support blocks the rotation of the baffle in one direction to prevent the baffle from opening and closing significantly.

[0020] Furthermore, the lateral tube is also connected to a solenoid valve, which is electrically connected to the processor.

[0021] Beneficial effect: The processor controls the opening and closing of the solenoid valve to connect the lateral tube to the air inlet of the breathing mask and the trachea respectively, so that oxygen can be assisted to enter the breathing mask through the lateral tube.

[0022] Furthermore, the processor is also used to calculate the change value between the first air flow data at the current time and the first air flow data before the current time, and compare the change value with the set second standard value. If the change value is greater than the second standard value, a start instruction is sent to the solenoid valve; if the change value is less than or equal to the second standard value, a hold instruction is sent to the solenoid valve.

[0023] Beneficial effect: The processor determines whether the auxiliary oxygen supply of the lateral tube connected at the current time meets the patient's breathing needs by comparing the corresponding change values ​​of the first air flow data before and after the current time.

[0024] Furthermore, the breathing mask is fixedly connected to a mounting block with a plurality of ventilation holes on the mounting block. The interior of the mounting block is connected to the outside world or the breathing mask through the ventilation holes. An airbag is fitted in the gap inside the mounting block, and the airbag is connected to one end of the trachea near the air inlet. A plurality of protrusions are fixedly connected to the airbag, and the protrusions are engaged with the ventilation holes.

[0025] Beneficial effects: The trachea delivers oxygen into the airbag for filling, causing the airbag to expand and use the protrusion to block the ventilation holes, so that the breathing mask is in a sealed state during operation; when the ventilator is powered off or not working, the airbag is no longer in an inflated state, so that the protrusion no longer blocks the ventilation holes, allowing outside air to enter the breathing mask through the ventilation holes, thereby ensuring that the patient can maintain air when the ventilator cannot work.

[0026] Furthermore, the air inlet end of the airbag is connected to a guide tube, the airbag is connected to an end of the trachea close to the air inlet through the guide tube, and the air outlet end of the airbag is connected to a pressure reducing valve.

[0027] Beneficial effects: The gas in the trachea near the air inlet is transported to the airbag through the guide tube to maintain the air pressure, and the pressure reducing valve is used to prevent the continuously pressurized airbag from being damaged, so that the bulge can block the ventilation hole.

[0028] Furthermore, a rubber gasket and a filter are provided in the ventilation hole, and the rubber gasket is located between the ventilation hole and the protrusion.

[0029] Beneficial effect: When the protrusion blocks the ventilation hole, the rubber gasket is used to seal the protrusion and the ventilation hole to reduce the entry of outside air into the mounting block; at the same time, the dust in the outside air is filtered through the filter net, so that the patient can breathe when the ventilator cannot work. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the appearance of an adjustable ICU assisted breathing device according to an embodiment of the present invention.

[0031] Figure 2 This is a cross-sectional view of an adjustable ICU assisted breathing device according to an embodiment of the present invention.

[0032] Figure 3 for Figure 2 Cross-sectional view of the rotating shaft.

[0033] Figure 4 for Figure 2 An enlarged view of part A.

[0034] Figure 5 This is a circuit diagram of an adjustable ICU assisted breathing device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0035] The following is further described in detail through specific implementation methods:

[0036] The figure marks in the drawings of the specification include: breathing mask 1, trachea 2, air outlet 21, air inlet 22, first air flow sensor 23, second air flow sensor 24, guide tube 25, lateral tube 3, rotating shaft 31, baffle 32, nut 33, torsion spring 34, pillar 35, third air flow sensor 36, solenoid valve 37, airbag 4, protrusion 41, ventilation hole 42, mounting block 43, pressure reducing valve 44.

[0037] Example 1

[0038] The embodiment is basically as shown in the attached Figures 1 to 5 As shown: An adjustable ICU assisted breathing device includes a breathing mask 1, the breathing mask 1 is connected to a trachea 2, and the trachea 2 is respectively provided with an air inlet 22 and an air outlet 21. The trachea 2 is connected to the breathing mask 1 through the air outlet 21, and the trachea 2 is connected to the ventilator through the air inlet 22;

[0039] The breathing mask 1 is also connected to a plurality of lateral tubes 3, which are rotatably fitted with a rotating shaft 31, and a baffle 32 is fixedly connected to the rotating shaft 31, which abuts against the lateral tube 3; and a plurality of torsion springs 34 are sleeved on the rotating shaft 31, one end of the torsion spring 34 is fixedly connected to the rotating shaft 31, and the other end of the torsion spring 34 is fixedly connected to the lateral tube 3, and a nut 33 is further provided on the outer wall of the lateral tube 3, which is threadedly connected to the rotating shaft 31.

[0040] One end of the trachea 2 near the air outlet 21 is connected to a first air flow sensor 23, and one end of the trachea 2 near the air inlet 22 is connected to a second air flow sensor 24; the ventilator is also electrically connected to a processor;

[0041] The first air flow sensor 23 is used to detect the first air flow data of the air pipe 2 near the air outlet 21 in real time, and send the first air flow data to the processor; the second air flow sensor 24 is used to detect the second air flow data of the air pipe 2 near the air inlet 22 in real time, and send the second air flow data to the processor, and the processor compares the first air flow data with the second air flow data;

[0042] If the first air flow data is less than or equal to the second air flow data, the processor calculates the difference between the first air flow data and the second air flow data, and then compares the difference with the set first standard value. If the difference is greater than the first standard value, the processor sends an air supply increase instruction to the ventilator based on the ratio between the difference and the standard value. If the difference is less than the first standard value, the processor sends an air supply maintain instruction to the ventilator; if the first air flow data is greater than the second air flow data, the processor sends an air supply decrease instruction to the ventilator.

[0043] The lateral pipe 3 is also connected to a third air flow sensor 36, which is used to detect the third air flow data in the lateral pipe 3 in real time and send the third air flow data to the processor;

[0044] When the processor sends an air supply reduction instruction to the ventilator, the processor compares the third air flow data with the set correction value. If the third air flow data is greater than or equal to the correction value, the processor sends an air supply maintenance instruction to the ventilator and sends a verification pass instruction to the processor. If the third air flow data is less than the correction value, the processor sends an air supply reduction instruction to the ventilator and sends a verification pass instruction to the processor.

[0045] The specific implementation process is as follows:

[0046] During the patient's spontaneous breathing, the chest cavity expands, causing air pressure changes in the breathing mask 1 , thereby causing an air flow difference between the first air flow sensor 23 and the second air flow sensor 24 .

[0047] At the same time, when the oxygen in the breathing mask 1 cannot meet the patient's oxygen demand, the patient's breathing will intensify to overcome the resistance exerted by the torsion spring 34 on the baffle 32, causing the patient to generate gas flow to push the baffle 32 to rotate along the rotating shaft 31. After the baffle 32 rotates, the lateral tube 3 remains unobstructed, thereby increasing the temporary oxygen supply in the breathing mask 1.

[0048] The processor then compares the first air flow data with the second air flow data to control the air supply changes of the ventilator, and uses the third air flow data measured by the third air flow sensor 36 to confirm whether the air supply at the current time meets the patient's breathing needs, thereby making specific air supply adjustment confirmation for the ventilator; compared with the existing technology, because the traditional ventilator is an inductive flow rate sensor, there is a time response error, and it cannot meet the breathing needs of rapid breathing, and through the delay control of the electrical signal and the temporary control of the lateral tube 3, the lag of the air supply adjustment is reduced, which can meet the patient's usage needs, and can adjust the respiratory air supply according to the patient's breathing condition, so that the patient's breathing is smoother, providing the patient with a better usage experience.

[0049] During the use of the breathing mask 1, medical personnel can manually rotate the nut 33 to push the rotating shaft 31 to move on the lateral tube 3 according to different patients, so as to adjust the pressure applied by the torsion spring 34, thereby adjusting the resistance applied by the torsion spring 34 to the baffle 32, so as to control the difficulty of the lateral tube 3 being affected by the patient's breathing.

[0050] Example 2

[0051] The difference from the above embodiment is that the lateral pipe 3 is also connected to a solenoid valve 37, and the solenoid valve 37 is electrically connected to the processor; the processor is also used to calculate the change value between the first air flow data at the current time and the first air flow data before the current time, and compare the change value with the set second standard value. If the change value is greater than the second standard value, a start instruction is sent to the solenoid valve 37; if the change value is less than or equal to the second standard value, a hold instruction is sent to the solenoid valve 37.

[0052] The specific implementation process is as follows: the processor calculates the change value between the first air flow data at the current time and the first air flow data before the current time to confirm whether the patient maintains the original breathing intensity within the current duration. The faster or more intensive the patient's breathing is, the insufficient air supply will result, causing the first air flow data before and after the current time to fluctuate greatly. This is to determine whether the auxiliary oxygen supply of the lateral tube 3 connected at the current time meets the patient's breathing needs, thereby controlling the opening and closing of the solenoid valve 37 to connect the lateral tube 3 to the breathing mask 1 and the air inlet 22 of the trachea 2 respectively.

[0053] Example 3

[0054] The difference from the above embodiment is that a mounting block 43 is further welded on the breathing mask 1, and a plurality of ventilation holes 42 are opened on the mounting block 43. The interior of the mounting block 43 is connected to the outside or the breathing mask 1 through the ventilation holes 42. An airbag 4 is fitted in the gap inside the mounting block 43. The air inlet end of the airbag 4 is connected to a guide tube 25. The airbag 4 is connected to the end of the trachea 2 close to the air inlet 22 through the guide tube 25. The air outlet end of the airbag 4 is connected to a pressure reducing valve 44. A plurality of protrusions 41 are bonded to the airbag 4, and the protrusions 41 are engaged with the ventilation holes 42. A rubber gasket and a filter (not shown in the figure) are also provided in the ventilation hole 42, and the rubber gasket is located between the ventilation hole 42 and the protrusion 41.

[0055] The specific implementation process is as follows: when the ventilator is working, the ventilator sends oxygen into the airbag 4 through the guide tube 25 for filling, so that the airbag 4 is expanded and the ventilation hole 42 is blocked by the protrusion 41. The protrusion 41 and the ventilation hole 42 are sealed by the rubber gasket to reduce the outside air from entering the interior of the mounting block 43, so that the breathing mask 1 is in a sealed state during operation;

[0056] When the ventilator is powered off or not working, the airbag 4 is no longer inflated, and the protrusion 41 no longer blocks the vent, allowing outside air to enter the breathing mask 1 through the vent 42 and filter dust in the outside air through the filter to ensure that the patient can maintain air when the ventilator is not working.

[0057] The above is only an embodiment of the present invention, and common knowledge such as the specific structure and / or characteristics of the scheme is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An adjustable ICU assisted breathing device, characterized by: The breathing mask is connected to a trachea, which is provided with an air inlet and an air outlet. The trachea is connected to the breathing mask through the air outlet, and is connected to the ventilator through the air inlet. The breathing mask is also connected to a plurality of lateral tubes, which are rotatably matched with a rotating shaft, and a baffle is fixedly connected to the rotating shaft, and the baffle is against the lateral tube; and a plurality of torsion springs are sleeved on the rotating shaft, and a nut is also provided on the outer wall of the lateral tube, and the nut is threadedly connected to the rotating shaft; One end of the trachea near the air outlet is connected to a first air flow sensor, and one end of the trachea near the air inlet is connected to a second air flow sensor; the ventilator is also electrically connected to a processor; The first air flow sensor is used to detect first air flow data of the air pipe near the air outlet in real time and send the first air flow data to the processor; The second air flow sensor is used to detect the second air flow data of the air pipe near the air inlet in real time, and send the second air flow data to the processor, and the processor compares the first air flow data with the second air flow data; If the first air flow data is less than or equal to the second air flow data, the processor calculates the difference between the first air flow data and the second air flow data, and then compares the difference with a set first standard value. If the difference is greater than the first standard value, the processor sends an air supply increase instruction to the ventilator based on the ratio between the difference and the standard value; if the difference is less than the first standard value, the processor sends an air supply maintenance instruction to the ventilator; if the first air flow data is greater than the second air flow data, the processor sends an air supply reduction instruction to the ventilator; The lateral pipe is further connected to a third air flow sensor, which is used to detect third air flow data in the lateral pipe in real time and send the third air flow data to the processor; When the processor sends an air supply reduction instruction to the ventilator, the processor compares the third air flow data with the set correction value. If the third air flow data is greater than or equal to the correction value, the processor sends an air supply maintenance instruction to the ventilator and sends a verification pass instruction to the processor. If the third air flow data is less than the correction value, the processor sends an air supply reduction instruction to the ventilator and sends a verification pass instruction to the processor.

2. The adjustable ICU assisted breathing device according to claim 1, characterized in that: A support is also fixedly connected inside the lateral tube and is located on a side of the baffle away from the breathing mask.

3. The adjustable ICU assisted breathing device according to claim 1, characterized in that: The lateral pipe is also connected to a solenoid valve, which is electrically connected to the processor.

4. The adjustable ICU assisted breathing device according to any one of claims 1 or 3, characterized in that: The processor is also used to calculate the change value between the first air flow data at the current time and the first air flow data before the current time, and compare the change value with the set second standard value. If the change value is greater than the second standard value, a start instruction is sent to the solenoid valve; if the change value is less than or equal to the second standard value, a hold instruction is sent to the solenoid valve.

5. The adjustable ICU assisted breathing device according to claim 1, characterized in that: The breathing mask is also fixedly connected to a mounting block with a number of ventilation holes on the mounting block. The interior of the mounting block is connected to the outside world or the breathing mask through the ventilation holes. An airbag is fitted in the gap inside the mounting block, and the airbag is connected to one end of the trachea near the air inlet. A number of protrusions are fixedly connected to the airbag, which are snap-fitted into the ventilation holes.

6. The adjustable ICU assisted breathing device according to claim 5, characterized in that: The air inlet end of the airbag is connected with a guide tube, the airbag is connected with one end of the trachea close to the air inlet through the guide tube, and the air outlet end of the airbag is connected with a pressure reducing valve.

7. The adjustable ICU assisted breathing device according to claim 5, characterized in that: A rubber gasket and a filter are also provided in the ventilation hole, and the rubber gasket is located between the ventilation hole and the protrusion.

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