Integrated simple respirator

Abstract

The utility model relates to the technical field of medical instruments, and particularly discloses an integrated simple respirator which comprises an air bag, a pressure-limiting exhaust part and a connecting part. The pressure-limiting exhaust part is arranged, pressure-limiting exhaust can be effectively achieved through the valve body of the pressure-limiting exhaust part, the situation that excessive gas is squeezed into the lung of the human body, and pulmonary alveoli are damaged is reduced, and the problem that most of existing simple respirators cannot achieve pressure-limiting exhaust and cannot achieve pressure-limiting exhaust is solved. The problem that excessive gas is squeezed into the lung of a human body and damages pulmonary alveoli exists during use; besides, the integrated simple respirator is provided with the first extrusion part and the second extrusion part, so that the integrated simple respirator can be used by adults and children at the same time, and has a wide market prospect.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, in particular to an integrated simple respirator. Background Art

[0002] Simple respirators are often called artificial respirators or pressurized oxygen bags. They are simple tools for artificial ventilation. At present, in the field of medical device technology, simple respirators are used as a portable first aid device for first aid in cases of suffocation and other situations at the first aid scene. Sometimes, they can also be used to continuously supply oxygen to patients during emergency rescue of critically ill patients or during the transportation of patients. Usually, the structure of simple respirators on the market generally includes a hood, a mask, an air bag, a one-way valve, an endotracheal tube and other parts. In actual applications, air or oxygen can enter the spherical air bag of the simple respirator, and the one-way valve is opened by manually pressing the air bag to press the gas into the mask or endotracheal tube that is close to the patient's mouth and nose to achieve the purpose of artificial ventilation. It can also enable patients to obtain sufficient oxygen supply and improve tissue hypoxia.

[0003] Compared with mouth-to-mouth breathing, simple respirators have the advantages of high oxygen concentration and easy operation. However, the gas flow rate of simple respirators on the market is mostly fixed when they are squeezed. Since patients of different age groups need different gas flows, they are not very suitable. For children, excessive gas flow can easily cause lung damage, while for adults, too small gas flow cannot achieve the desired effect. For example, an existing Chinese patent with a publication number of CN219579648U discloses a simple respirator, including a mask body and a guide shell fixed therein, the guide shell being connected to a guide tube for insertion into the oral cavity, the guide shell dividing the mask body to form a guide cavity and a reflux cavity, a plurality of reflux holes being provided on the guide tube to connect the reflux cavity, oxygen enters the guide cavity and is directly transported to the patient's oral cavity under the action of the guide tube to ensure the oxygen supply to the patient's lungs, and at the same time, the plurality of reflux holes provided on the guide tube are used to form a negative pressure on the outside of the guide tube, thereby increasing the air in the reflux cavity entering the guide tube, thereby additionally increasing the amount of oxygen entering the patient's lungs and improving the oxygen supply efficiency.

[0004] Therefore, the above-mentioned existing technical solutions have the following defects: most of the existing simple respirators cannot achieve gas flow control, resulting in the inability to be suitable for both adults and children at the same time. Moreover, since most of them cannot achieve pressure-limited exhaust, if the operation is improper, excessive gas may squeeze into the human lungs and destroy the alveoli. Utility Model Content

[0005] The purpose of the embodiment of the utility model is to provide an integrated simple respirator to solve the problem that most of the existing simple respirators mentioned in the above background technology cannot achieve pressure-limited exhaust, and when in use, excessive gas is squeezed into the human lungs and destroys the alveoli.

[0006] The utility model is implemented as follows: an integrated simple respirator, specifically a simple respirator used by adults and children, the integrated simple respirator includes an air bag and also includes:

[0007] A pressure-limited exhaust portion is arranged at the upper end of the airbag, the pressure-limited exhaust portion includes a tube body for communicating with the airbag, and a valve body arranged at one side of the tube body, the valve body is used to perform pressure-limited exhaust on the gas transmitted from the airbag to the pressure-limited exhaust portion; wherein the valve body includes a shell detachably arranged at one side of the tube body and communicating with the tube body, a first exhaust hole and a second exhaust hole are respectively arranged on the outer side of the shell, and the valve body also includes an air baffle that can reciprocate along the edge line direction of the shell to close the first exhaust hole when moving in the direction toward the tube body, or close the second exhaust hole when moving in the direction away from the tube body;

[0008] The connecting portion is arranged at one end of the airbag away from the pressure-limiting exhaust portion, and the upper end of the connecting portion is communicated with the lower end of the airbag.

[0009] Preferably, a first sliding air plug and a second sliding air plug are sequentially arranged inside the shell, and a magnet is also arranged inside the shell. An iron block for use with the magnet is installed in the first sliding air plug, and a spring is arranged on the second sliding air plug.

[0010] Preferably, a first squeezing portion and a second squeezing portion are provided on the outside of the airbag; by providing the first squeezing portion and the second squeezing portion, the integrated simple respirator can be used by adults and children at the same time, and the valve body can effectively limit the pressure and exhaust, thereby reducing excessive gas from squeezing into the human lungs and causing damage to the alveoli.

[0011] The beneficial effects of the utility model are:

[0012] Compared with the prior art, the integrated simple respirator provided in the embodiment of the utility model comprises an air bag, a pressure-limiting exhaust portion and a connecting portion; the integrated simple respirator is provided with a pressure-limiting exhaust portion, and the valve body of the pressure-limiting exhaust portion can effectively limit the exhaust pressure, thereby reducing the excessive gas from squeezing into the human lungs and causing damage to the alveoli, thereby solving the problem that most of the existing simple respirators cannot achieve pressure-limiting exhaust, and excessive gas squeezes into the human lungs and damages the alveoli during use; in addition, the integrated simple respirator is provided with a first squeezing portion and a second squeezing portion, so that it can be used by adults and children at the same time, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention.

[0014] Figure 1 A three-dimensional diagram of an integrated simple respirator provided in one embodiment of the utility model.

[0015] Figure 2 A cross-sectional view of an integrated simple respirator provided in one embodiment of the utility model.

[0016] Figure 3 The present invention is a schematic structural diagram of a pressure-limiting exhaust portion of an integrated simple respirator provided in one embodiment of the present invention.

[0017] Figure 4 The present invention is a schematic structural diagram of a valve body in an integrated simple respirator provided in one embodiment of the present invention.

[0018] Figure 5 This is a schematic structural diagram of an integrated simple respirator provided in an embodiment of the utility model after the air shield slides to the right.

[0019] Figure 6 for Figure 5 Enlarged schematic diagram of the valve body.

[0020] Figure 7 A top view of an integrated simple respirator provided in one embodiment of the utility model.

[0021] Figure 8 A bottom view of an integrated simple respirator provided in one embodiment of the utility model.

[0022] Fig. 9 This is a schematic structural diagram of an integrated simple respirator provided in another embodiment of the utility model.

[0023] Fig.10 This is a schematic structural diagram of the first extrusion portion in an integrated simple respirator provided in another embodiment of the utility model.

[0024] Fig.11 This is a schematic structural diagram of the second extrusion portion in the integrated simple respirator provided in another embodiment of the utility model.

[0025] In the figure: 1-air bag; 2-pressure limiting exhaust part; 3-connecting part; 4-limiting part; 5-first extrusion part; 6-second extrusion part; 201-tube body; 202-valve body; 203-connecting pipe; 204-upper interface; 205-first exhaust hole; 206-second exhaust hole; 207-air shield; 208-first sliding air plug; 209-second sliding air plug; 210-magnet; 211-iron block; 212-spring; 213-threaded cover. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the technical solutions in the utility model embodiments are described clearly and completely in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, not all of the utility model embodiments. Based on the embodiments in the utility model embodiments, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model embodiments.

[0027] In the description of the present utility model, it should be understood that, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact not directly but through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The above-indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, “plurality” means two or more.

[0028] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0029] like Figure 1-8FIG. 1 is a structural diagram of an integrated simple respirator provided by an embodiment of the utility model. The integrated simple respirator is specifically a simple respirator used by adults and children at the same time, that is, it can be used as a simple respirator for adults and children at the same time. The integrated simple respirator includes an air bag 1 and also includes:

[0030] A pressure-limited exhaust portion 2 is provided at the upper end of the airbag 1, the pressure-limited exhaust portion 2 comprises a tube body 201 for communicating with the airbag 1, and a valve body 202 provided on one side of the tube body 201, the valve body 202 is used for pressure-limited exhaust of the gas transmitted from the airbag 1 to the pressure-limited exhaust portion 2; and

[0031] The connecting portion 3 is arranged at one end of the airbag 1 away from the pressure-limiting exhaust portion 2 , and the upper end of the connecting portion 3 is communicated with the lower end of the airbag 1 .

[0032] Usually, when squeezing the simple respirator, the oxygen flow required by patients of different age groups is different. Generally, when supplying oxygen to adults, the simple respirator needs to be squeezed to one-half to two-thirds, and the gas volume of oxygen supplied to adults is 600-800m1. When supplying oxygen to children, the simple respirator needs to be squeezed to one-quarter, and the gas volume of oxygen supplied to children is 100-350m1. Medical staff cannot squeeze the simple respirator accurately, and cannot accurately control the output of oxygen, which may cause excessive or insufficient oxygen flow. When the output oxygen flow is too large, it may cause damage to the patient's lungs; when the output oxygen flow is too small, it cannot reach the amount of oxygen required by the patient, and the patient may experience breathing difficulties.

[0033] In the embodiment of the utility model, the integrated simple respirator can effectively limit the pressure of exhaust through the pressure-limiting exhaust part 2, reduce the excessive gas squeezed into the human lungs, and thus cause the destruction of alveoli. Specifically, when less gas (such as air or oxygen, etc., which is selected according to the needs and is not limited here) is needed to enter the lungs, the excess gas squeezed out of the airbag 1 cavity is discharged through the valve body 202 to reduce the excessive gas squeezed out of the integrated simple respirator and destroy the alveoli. When more gas is needed to enter the lungs, by operating the pressure-limiting exhaust part 2, the excess gas enters the valve body 202 and can be discharged through the valve body 202 to ensure stable air pressure, stable air supply, and the most suitable amount of air can enter the patient's lungs. Therefore, by using the pressure-limiting exhaust part 2, effective pressure-limiting exhaust can be achieved, which solves the problem that most existing simple respirators cannot achieve pressure-limiting exhaust, and it is easy to have excessive gas squeezed into the human lungs and destroy the alveoli.

[0034] Furthermore, in an example of the utility model, the connection part 3 is used to connect with an external gas storage component or transmission component. For example, an external gas storage component such as an oxygen cylinder or an oxygen concentrator, or an external transmission component such as an oxygen tube or an oxygen pressure reducer can be used. The specific selection is based on the existing ones and is not limited here. Usually, the connection part 3 can include a connecting pipe and an air intake valve. Specifically, the connecting pipe and the air intake valve can both be products in the prior art. The specific model, material and other requirements are not repeated here. As long as the connecting pipe can be connected to the lower end of the airbag 1 and the opening and closing of the connecting pipe can be controlled by the air intake valve, of course, in actual applications, if the connection part 3 is not needed, the opening of the connection part 3 can also be sealed with a threaded cap or a clamp.

[0035] It can be understood that the air intake valve can adopt valve products in the existing technology in actual application, such as manual valves, electric valves, hydraulic valves, pneumatic valves, turbine valves, solenoid valves, electromagnetic hydraulic valves, electro-hydraulic valves, gas-hydraulic valves, spur gear valves, bevel gear driven valves, etc. Preferably, the air intake valve is a manual valve among existing products, and the specific model is selected according to needs, and is not limited here, as long as the connection part 3 can be connected with the external gas storage or transmission components through opening and closing adjustment.

[0036] Furthermore, as a preferred embodiment of the present invention, a connecting pipe 203 and an upper port 204 are respectively provided on the upper portion of the tube body 201 .

[0037] In the embodiment of the utility model, specifically, the connecting pipe 203 is used to connect with the external mask, and is usually arranged on the side of the tube body 201 away from the valve body 202.

[0038] In one embodiment of the present invention, the connecting tube 203 is connected to the external mask, and the mask is buckled over the patient's mouth and nose, the thumb and index finger of the left hand are pressed tightly, and the other fingers are pressed tightly on the lower jaw, and then the airbag 1 is squeezed or gas is delivered into the airbag 1, and the gas is delivered to the mask through the connecting tube 203, so as to achieve gas supply. If the gas is directly delivered to the lungs by squeezing the airbag 1, the airbag 1 can be squeezed regularly to provide sufficient inhalation / exhalation time (usually 10-15 times / minute for adults and 14-20 times / minute for children, of course, this is not absolute, and other squeezing frequencies can also be used as needed).

[0039] Furthermore, as a preferred embodiment of the utility model, the upper interface 204 is arranged at the top of the upper part of the tube body 201, and the upper interface 204 can be connected to the inside of the tube body 201, and the upper interface 204 can also be closed with a threaded cover when not in use. The details can be referred to the prior art and will not be elaborated here.

[0040] It can be understood that the upper interface 204 can also be provided with an exhaust valve to realize the opening and closing of the upper end opening of the tube body 201. In actual application, the exhaust valve can adopt valve products in the prior art, and the control of the valve products can adopt a variety of transmission methods, such as manual, electric, hydraulic, pneumatic, turbine, electromagnetic, electromagnetic hydraulic, electro-hydraulic, gas-hydraulic, spur gear, bevel gear drive, etc. Preferably, the exhaust valve is a manual valve in the existing products, and the specific model is selected according to the needs, and is not limited here, as long as the opening and closing adjustment can be realized.

[0041] Furthermore, as a preferred embodiment of the utility model, the valve body 202 includes a shell which is detachably arranged on one side of the tube body 201 and connected to the tube body 201, and a first exhaust hole 205 and a second exhaust hole 206 are respectively arranged on the outside of the shell. The valve body 202 also includes an air baffle 207 which can reciprocate along the edge direction of the shell to close the first exhaust hole 205 when moving toward the tube body 201, or close the second exhaust hole 206 when moving away from the tube body 201.

[0042] In the embodiment of the utility model, specifically, in actual application, when less gas is needed to enter the lungs, the air shield 207 is moved toward the direction of the tube body 201, that is, the air shield 207 is slid to the left to block the first exhaust hole 205. Figure 4 As shown, the excess gas squeezed out of the airbag 1 cavity can only be discharged from the second exhaust hole 206 through the valve body 202, so as to reduce the excessive gas squeezed out of the integrated simple respirator and damage the alveoli. When more gas is needed to enter the lungs, the air shield 207 is moved away from the tube body 201, that is, the air shield 207 is slid to the right to leak out of the first exhaust hole 205. Figure 6 As shown, when excess gas enters the valve body 202, the excess gas can be discharged from the first exhaust hole 205 to ensure stable air pressure and smooth air supply, so that the most appropriate amount of air can enter the patient's lungs, which solves the problem that most existing simple respirators cannot achieve pressure-limited exhaust, and it is easy for excessive gas to squeeze into the human lungs and destroy the alveoli.

[0043] In an example of the present invention, specifically, the shell can be connected to the opening on one side of the tube body 201 by a threaded connection. In order to improve the sealing during use, a sealing ring can also be installed at the connection to ensure the stability of the pressure-limiting exhaust part 2 during use. The sealing ring can refer to the prior art and will not be described here.

[0044] In another example of the present invention, the number of the first exhaust holes 205 and the second exhaust holes 206 can be selected as needed. Usually, the first exhaust holes 205 are arranged on the left side, and the second exhaust holes 206 are arranged on the right side. In order to reduce the production cost and ensure the exhaust effect, it is preferred to set two first exhaust holes 205 on the upper and lower sides, and two second exhaust holes 206 on the upper and lower sides. Of course, only one first exhaust hole 205 and one second exhaust hole 206 can be set as needed, the first exhaust hole 205 is arranged on the left side, and the second exhaust hole 206 is arranged on the right side; there can also be two first exhaust holes 205 on the upper and lower sides, and two second exhaust holes 206 on the upper and lower sides, etc., which can be selected according to specific needs and are not limited here.

[0045] Furthermore, as a preferred embodiment of the utility model, a first sliding air plug 208 and a second sliding air plug 209 are sequentially arranged inside the shell, and a magnet 210 is also arranged inside the shell. An iron block 211 for use with the magnet 210 is installed in the first sliding air plug 208, and a spring 212 is arranged on the second sliding air plug 209.

[0046] In the embodiment of the utility model, when less gas is needed to enter the lungs, the air shield 207 can be operated to slide the air shield 207 to the left to block the first exhaust hole 205, and the excess gas squeezed out of the airbag 1 cavity can only be discharged from the second exhaust hole 206 through the valve body 202. Figure 4 As shown, the gas enters the valve body 202, forming air pressure, pushing the iron block 211 away from the magnet 210 and driving the first sliding air plug 208 to move to the right. As more gas flows in, the air pressure increases, and the first sliding air plug 208 continues to move to the right, thereby driving the second sliding air plug 209 to move to the right, and then the gas is discharged from the second exhaust hole 206 to reduce the excessive amount of gas squeezed out by the integrated simple respirator and damage to the alveoli. When more gas is needed to enter the lungs, the air shield 207 is slid to the right to leak out of the first exhaust hole 205, as shown in the figure. Figure 6 As shown, when excess gas enters the valve body 202, air pressure is formed to push the iron block 211 away from the magnet 210, driving the first sliding air plug 208 to move to the right, and excess gas can be discharged from the first exhaust hole 205 to ensure stable air pressure and smooth air supply, so that the most appropriate amount of air can enter the patient's lungs.

[0047] Furthermore, as a preferred embodiment of the present utility model, the valve body 202 also includes a threaded cover 213 detachably connected to the end of the shell, and the right end of the spring 212 provided on the second sliding air plug 209 is connected to the threaded cover 213 .

[0048] In the embodiment of the utility model, specifically, by using the spring 212, the second sliding air plug 209 can be reset under the elastic action of the spring 212. In actual application, when less gas is needed to enter the lungs, the air shield 207 can be slid to the left to block the first exhaust hole 205, and the excess gas squeezed out of the airbag 1 cavity can only be discharged from the second exhaust hole 206 through the valve body 202. The specific process is: the gas enters the valve body 202, forms air pressure, pushes the iron block 211 away from the magnet 210 and drives the first sliding air plug 208 to move to the right. As more gas flows in, the air pressure increases, and the first sliding air plug 208 continues to move to the right, thereby driving the second sliding air plug 209 to compress the spring 212 to move to the right, and then the gas is discharged from the second exhaust hole 206, so as to reduce the excessive gas squeezed out by the integrated simple respirator and damage the alveoli.

[0049] In an example of the present invention, further, the threaded cover 213 can facilitate the disassembly and maintenance of the parts in the valve body 202. The magnetic force of the magnet 210 and the elastic force of the spring 212 are adjusted and set, and are purchased and installed according to different ethnic groups. The specific model selection can be specifically referred to the existing technology, which will not be elaborated here.

[0050] Furthermore, as a preferred embodiment of the present invention, the integrated simple respirator further includes a limiting portion 4 arranged outside the connecting portion 3, and the limiting portion 4 can be used for holding in a fixed position or hanging.

[0051] In an example of the present invention, specifically, the present invention does not limit the specific structural form of the limiter 4. For example, the limiter 4 can be annular, U-shaped, rectangular, triangular, L-shaped or even flat, and can be adaptively adjusted according to the environment. Here, it is preferred to adopt the following Figure 8 The annular structure shown is not intended to be a limiting structure, and sometimes it can be designed to be a combination of other shapes such as annular, rectangular, triangular, etc., which will not be described in detail here.

[0052] like Figure 9-11 As shown, as another preferred embodiment of the utility model, the airbag 1 is provided with a first extrusion portion 5 and a second extrusion portion 6 on the outside, and the first extrusion portion 5 and the second extrusion portion 6 are both provided with markings in the middle.

[0053] In the embodiment of the utility model, a first squeezing part 5 and a second squeezing part 6 are provided, wherein the first squeezing part 5 is for children and the second squeezing part 6 is for adults. When children use the squeezing part 5, the squeezing amplitude is small because the first squeezing part 5 is squeezed, which can prevent the air pressure from being too high and damaging the alveoli when the children use the squeezing part.

[0054] In an example of the present invention, specifically, the extrudable amplitude of the first extrusion part 5 is smaller than the extrudable amplitude of the second extrusion part 6. Usually, this can be achieved by using materials of different hardness or elasticity in the prior art, or by using different extrusion sizes of the first extrusion part 5 and the second extrusion part 6. It will not be described in detail here. Therefore, the integrated simple respirator is a simple respirator used by adults and children, that is, it can be used by adults and children at the same time. By setting the first extrusion part 5 and the second extrusion part 6 as the extrusion positions for children and adults respectively, and providing identification marks, when a child uses it, the position with a smaller extrusion amplitude can prevent excessive air pressure and damage to the alveoli when the child uses it.

[0055] It should be noted that the integrated simple respirator can effectively limit the pressure of exhaust, reduce the amount of excessive gas squeezed into the human lungs, and damage the alveoli. In actual operation, you can first tightly fix the mask connected to the integrated simple respirator to ensure that the mask fits well with the patient's face. Then squeeze the airbag 1 regularly. The squeezing frequency should be adjusted according to the patient's age, generally 10-15 times / minute for adults and 14-20 times / minute for children. Of course, other ranges can also be selected as needed. When less gas is needed to enter the lungs, by sliding the air shield 207 to the left to block the first exhaust hole 205, the excess gas squeezed out of the airbag 1 cavity can only be discharged from the second exhaust hole 206 through the valve body 202. Figure 4 As shown, the gas enters the valve body 202, forming air pressure, pushing the iron block 211 away from the magnet 210 and driving the first sliding air plug 208 to move to the right. As more gas flows in, the air pressure increases, and the first sliding air plug 208 continues to move to the right, thereby driving the second sliding air plug 209 to compress the spring 212 to move to the right, and then the gas is discharged from the second exhaust hole 206 to reduce the excessive gas extruded and discharged by the integrated simple respirator, thereby damaging the alveoli. When more gas is needed to enter the lungs, the air shield 207 is slid to the right to leak out of the first exhaust hole 205. When excess gas enters the valve body 202, air pressure is formed to push the iron block 211 away from the magnet 210, driving the first sliding air plug 208 to move to the right, and the excess gas can be discharged from the first exhaust hole 205 to ensure stable air pressure and smooth air supply, so that the most appropriate amount of air can enter the patient's lungs. Therefore, by using the pressure-limited exhaust part 2, automatic pressure-limited exhaust can be achieved, which solves the problem that most existing simple respirators cannot achieve pressure-limited exhaust, and it is easy for excessive gas to squeeze into the human lungs and destroy the alveoli. In addition, when squeezing the airbag 1, pay attention to the control of the tidal volume. The general tidal volume is 8-12ml / kg (usually 400-600ml for adults, of course, other ranges can be selected as needed) to achieve the effect of lifting the chest. At the same time, pay attention to closely observe the patient's vital signs and reactions during the operation, and make adjustments as needed.

[0056] In addition, it should be noted that the structure of the simple respirator in the prior art generally includes a hood, a mask, an air bag, a one-way valve, an endotracheal tube and other parts. In actual applications, the gas flow rate of the current simple respirator is fixed when it is squeezed. Since the gas flow rate required by patients of different age groups is different, for children, an excessively large gas flow rate can easily cause lung damage, and for adults, an excessively small gas flow rate cannot achieve the desired effect. To solve this problem, there is a technical solution to control the gas flow rate of the simple respirator by adding a flow control device. For example, the existing Chinese patent with the announcement number CN214970511U discloses a simple respirator, including a squeezing ball, an air delivery channel and a flow control device, wherein the squeezing ball is sealed and connected to the air delivery channel, the air delivery channel is connected to the patient through an air outlet pipe, and the flow control device is connected to the air delivery channel to accurately control the output of oxygen to avoid damage to the patient. Compared with other simple respirators in the prior art, although the gas flow can be controlled by a flow control device, it requires the cooperation of a flow detection device and real-time control, so the operation is relatively complicated whether it is manual adjustment or automatic adjustment. Moreover, automatic pressure-limited exhaust cannot be achieved. If the operation is improper, for example, inaccurate flow detection or manual adjustment errors, there is still a situation where excessive gas squeezes into the human lungs and destroys the alveoli.

[0057] In the embodiment of the utility model, the integrated simple respirator does not require real-time control and coordination of the flow detection device. It only needs to move the lower air shield 207 to achieve the use of patients of different age groups such as adults and children. As a simple respirator used by adults and children, it can be used by adults and children at the same time. By setting the first squeezing part 5 and the second squeezing part 6 as the squeezing position of children and adults, and providing an identification mark, when a child uses it, the squeezing amplitude is small. It can prevent the air pressure from being too high and destroying the alveoli when the child uses it. Moreover, the integrated simple respirator can effectively limit the pressure and exhaust, reduce the excessive gas from squeezing into the human lungs and destroying the alveoli. It avoids the situation that when the flow detection device needs to cooperate, due to inaccurate flow detection or manual adjustment errors, there is still excessive gas squeezing into the human lungs and destroying the alveoli. Especially when the condition is critical and there is no time for tracheal intubation and repeated flow adjustment, a pressurized mask can be used to directly give oxygen, so that the patient can get sufficient oxygen supply and improve the state of tissue hypoxia. It is suitable for rescue of respiratory arrest or respiratory failure caused by various reasons for artificial respiration and respiratory management during anesthesia, as well as transporting patients for special examinations of mechanically ventilated patients, entering and leaving the operating room, etc. It can also be used as a temporary substitute in special situations such as ventilator failure and power outage. A simple respirator can be used temporarily as a substitute.

[0058] The implementation principle of this embodiment is: when less gas is needed to enter the lungs, the air shield 207 is slid to the left to block the first exhaust hole 205, and the gas enters the valve body 202 to form air pressure, which pushes the iron block 211 away from the magnet 210 and drives the first sliding air plug 208 to move to the right. As more gas flows in, the air pressure increases, and the first sliding air plug 208 continues to move to the right, thereby driving the second sliding air plug 209 to compress the spring 212 to move to the right, and then the excess gas in the airbag 1 cavity is squeezed out and discharged from the second exhaust hole 206, so as to reduce the excessive amount of gas squeezed and discharged by the integrated simple respirator and damage the alveoli. When more gas is needed to enter the lungs, the air shield 207 is slid to the right to leak out of the first exhaust hole 205. When excess gas enters the valve body 202, air pressure is formed to push the iron block 211 away from the magnet 210, driving the first sliding air plug 208 to move to the right. Excess gas can be discharged from the first exhaust hole 205 to ensure stable air pressure and smooth air supply, so that the most appropriate amount of air can enter the patient's lungs.

[0059] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0060] It should be further explained that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The statement "including a defined element does not exclude the existence of other identical elements in the process, method, article or device including the element". The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection method of each part can adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art, which will not be described in detail here.

[0061] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An integrated simple respirator, comprising an air bag (1), characterized in that: The integrated simple respirator also includes: a pressure-limiting exhaust portion (2) arranged at the upper end of the airbag (1), the pressure-limiting exhaust portion (2) comprising a tube body (201) for communicating with the airbag (1), and a valve body (202) arranged at one side of the tube body (201), wherein the valve body (202) comprises a shell body detachably arranged at one side of the tube body (201) and communicating with the tube body (201), a first exhaust hole (205) and a second exhaust hole (206) are respectively arranged on the outer side of the shell body, and the valve body (202) further comprises an air shield (207) that can reciprocate along the edge direction of the shell body, so as to close the first exhaust hole (205) when moving in a direction toward the tube body (201), or close the second exhaust hole (206) when moving in a direction away from the tube body (201); and The connecting portion (3) is arranged at one end of the airbag (1) away from the pressure-limiting exhaust portion (2), and the upper end of the connecting portion (3) is connected to the lower end of the airbag (1).

2. The integrated simple respirator according to claim 1, characterized in that: The upper part of the tube body (201) is also provided with a connecting tube (203) and an upper port (204).

3. The integrated simple respirator according to claim 2, characterized in that: A first sliding air plug (208) and a second sliding air plug (209) are sequentially arranged inside the shell, and a magnet (210) is also arranged inside the shell. An iron block (211) for use with the magnet (210) is installed in the first sliding air plug (208), and a spring (212) is arranged on the second sliding air plug (209). The valve body (202) also includes a threaded cover (213) that is detachably connected to the end of the shell.

4. The integrated simple respirator according to claim 3, characterized in that: The integrated simple respirator further comprises a limiting portion (4) arranged outside the connecting portion (3).

5. The integrated simple respirator according to claim 4, characterized in that: The airbag (1) is provided with a first extrusion portion (5) and a second extrusion portion (6) on the outside.

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