Umbrella valve structure and respirator with umbrella valve structure

Abstract

The utility model relates to the technical field of medical instruments, and particularly discloses an umbrella valve structure and a respirator with the umbrella valve structure, the umbrella valve structure comprises an umbrella valve limiting mechanism arranged in a pipe body, one side of the pipe body is provided with an exhaust port used for exhausting gas, the outer side of a connecting part is sleeved with an umbrella valve silica gel sheet, and the umbrella valve silica gel sheet is provided with an umbrella valve. An air inlet is formed in a limiting part below one side, facing the exhaust port, of the umbrella valve silica gel sheet; according to the umbrella valve structure, when gas is input from the exhaust port, the umbrella valve silica gel sheet can be pressed downwards under the action of pressure to seal the gas inlet, so that the gas exhaled by a human body can be prevented from entering the pipe body and polluting the internal gas, and a simple respirator can be formed in practical application; the simple respirator solves the problem that gas generated when a human body exhales easily enters an air bag and pollutes internal gas in an existing simple respirator, and has wide market prospects.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, in particular to an umbrella valve structure and a respirator with the umbrella valve structure. Background Art

[0002] At present, when performing first aid for suffocation, cyanosis and other situations at the emergency scene, a simple respirator is usually used. Since the simple respirator is a portable first aid device, compared with mouth-to-mouth breathing, it has a high oxygen concentration and is easy to operate. It can enable the patient to get sufficient oxygen supply as soon as possible to achieve the purpose of artificial ventilation.

[0003] At present, the general simple respirator on the market is usually composed of a hood, a mask, an endotracheal tube, etc. For example, the existing Chinese patent with publication number CN112156299A discloses an automatic clamping simple respirator, including a simple respirator body and a clamping device, wherein: the simple respirator body includes a balloon, an endotracheal tube, a mask and a Velcro strap; the clamping device includes a driving component, two support arms and two corresponding clamping plates, and after placing the balloon of the simple respirator between the two clamping plates, the balloon can be automatically pressed by starting the clamping device, replacing manual operation, and the pressing rhythm can be stably controlled.

[0004] However, the above-mentioned prior art solutions have the following defects: in actual applications, since the above devices use conventional valves to achieve airflow entry and exhaust, when the human body exhales gas, the air inlet of the airbag may be open, causing the gas exhaled by the human body to enter the airbag and pollute the gas inside. Utility Model Content

[0005] The purpose of the embodiment of the utility model is to provide an umbrella valve structure to solve the problem of the existing simple respirator mentioned in the background art that the gas generated by human exhalation easily enters the air bag and pollutes the internal gas.

[0006] The embodiment of the utility model is implemented as follows: an umbrella valve structure includes an umbrella valve limiting mechanism arranged in a tube body, the umbrella valve limiting mechanism includes an upper connecting portion and a lower limiting portion, wherein an exhaust port for exhausting gas is arranged on one side of the tube body, an umbrella valve silicone sheet is sleeved on the outer side of the connecting portion, and an air inlet is arranged on the limiting portion below the side of the umbrella valve silicone sheet facing the exhaust port, and the umbrella valve silicone sheet is used to press down under pressure to seal the air inlet when gas is input from the exhaust port, so as to prevent the gas exhaled by the human body from entering the tube body and polluting the gas inside.

[0007] Preferably, an exhalation exhaust hole is also provided in the portion of the tube body located above the umbrella valve silicone sheet.

[0008] In another embodiment of the utility model, a respirator is provided, comprising the above-mentioned umbrella valve structure, and the respirator further comprises: an air bag connected to the lower part of the tube body, and a communication port is provided at the lower end of the air bag.

[0009] The beneficial effects of the utility model are:

[0010] Compared with the prior art, the umbrella valve structure provided by the embodiment of the utility model comprises an umbrella valve limiting mechanism arranged in a tube body, wherein an exhaust port for exhausting gas is arranged on one side of the tube body, an umbrella valve silicone sheet is sleeved on the outer side of the connecting portion, and an air inlet is arranged on the limiting portion below the side of the umbrella valve silicone sheet facing the exhaust port; the umbrella valve structure adopts an umbrella valve limiting mechanism, wherein the umbrella valve silicone sheet can be pressed down under pressure to seal the air inlet when gas is input from the exhaust port, thereby preventing the gas exhaled by the human body from entering the tube body and polluting the gas inside. In practical applications, a simple respirator can be formed, which solves the problem of the existing simple respirator that the gas generated by the human body's exhalation easily enters the airbag product and pollutes the internal gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] 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.

[0012] Figure 1 This is a structural schematic diagram of an umbrella valve structure provided in one embodiment of the utility model.

[0013] Figure 2 A schematic diagram of gas flow in an umbrella valve structure provided in one embodiment of the utility model.

[0014] Figure 3 This is a schematic structural diagram of a respirator provided in another embodiment of the utility model.

[0015] Figure 4 A three-dimensional diagram of a respirator provided in another embodiment of the present invention.

[0016] Figure 5 A bottom view of a respirator provided in another embodiment of the present invention.

[0017] Figure 6 A schematic diagram of the connection relationship between the tube body and the airbag in a respirator provided in another embodiment of the utility model.

[0018] Figure 7 This is a schematic diagram of the connection relationship between the connecting tube and the drug delivery device in a respirator provided by another embodiment of the utility model.

[0019] In the figure: 1-tube body; 2-umbrella valve limiting mechanism; 3-exhaust port; 4-umbrella valve silicone sheet; 5-exhalation exhaust hole; 6-air bag; 7-connecting port; 8-drug delivery member; 9-drug delivery hole; 10-connecting tube. DETAILED DESCRIPTION

[0020] 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.

[0021] 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 may include the first and second features not being in direct contact but being in contact 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 limitations on the present utility model. In addition, in the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0022] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0023] like Figure 1-2 FIG. 1 is a structural diagram of an umbrella valve structure provided by an embodiment of the utility model, wherein the umbrella valve structure includes an umbrella valve limiting mechanism 2 arranged in a tube body 1, and the umbrella valve limiting mechanism 2 includes an upper connecting portion and a lower limiting portion, wherein:

[0024] An exhaust port 3 for exhausting gas is provided on one side of the tube body 1, an umbrella valve silicone sheet 4 is sleeved on the outer side of the connecting portion, and an air inlet is provided on the limiting portion below the umbrella valve silicone sheet 4 on the side facing the exhaust port 3. The umbrella valve silicone sheet 4 is used to press down under pressure to seal the air inlet when gas is input from the exhaust port 3, so as to prevent the gas exhaled by the human body from entering the tube body 1 and polluting the gas inside. In practical applications, the lower part of the tube body 1 is connected to a gas container (such as an air bag product, etc.) to form a simple respirator, which can solve the problem that the gas generated by the human body's exhalation easily enters the air bag product and pollutes the internal gas in the existing simple respirator.

[0025] It should be noted that, in actual application, the simple respirators currently on the market use conventional valves to achieve airflow entry and discharge. When the human body exhales gas, the air inlet of the airbag product may be in an open state, causing the gas exhaled by the human body to enter the airbag product and pollute the gas inside. In order to reduce this phenomenon, although there is also a method of using a duckbill valve, this simple respirator is usually composed of a head cover, a mask, an endotracheal tube, and a duckbill valve that can realize airflow opening and closing. Generally speaking, the shape of the duckbill valve is similar to a duckbill. When there is no pressure inside, the duckbill outlet closes under its own elasticity. As the internal pressure gradually increases, the duckbill outlet gradually increases to keep the airflow discharged. That is, the duckbill valve is in a closed state under normal conditions, and can only realize one-way flow of airflow, and cannot simultaneously open and close the exhalation exhaust hole 5, resulting in poor effect in preventing the gas exhaled by the human body from entering the airbag product and polluting the gas inside. Therefore, by adopting the umbrella valve structure, when a person exhales, the exhaled gas presses down the umbrella valve silicone sheet 4 to seal the air inlet, thereby preventing the exhaled gas from entering the airbag product and contaminating the gas inside.

[0026] Furthermore, as a preferred embodiment of the present invention, an exhalation exhaust hole 5 is also provided in the portion of the tube body 1 located above the umbrella valve silicone sheet 4 .

[0027] In the embodiment of the utility model, in actual application, when gas is transmitted by the tube body 1, the gas lifts up the umbrella valve silicone sheet 4, the umbrella valve silicone sheet 4 seals the exhalation exhaust hole 5, and the gas enters the oral cavity through the pipeline and then reaches the lungs; when the human body exhales gas, the gas exhaled through the exhaust port 3 presses the umbrella valve silicone sheet 4 down, the gas is discharged from the exhalation exhaust hole 5, and the air inlet is sealed, preventing the gas exhaled by the human body from entering the airbag product and polluting the gas inside.

[0028] like Figure 3-7 As shown, another embodiment of the utility model also provides a respirator with the above umbrella valve structure, including the above-mentioned umbrella valve structure, wherein the respirator also includes: an air bag 6 connected to the lower part of the tube body 1, and a connecting port 7 is provided at the lower end of the air bag 6.

[0029] In the embodiment of the utility model, specifically, the connecting port 7 can be connected to an external gas cylinder, so that gas can be delivered to the airbag 6 and then delivered to the lungs.

[0030] In an example of the utility model, in actual application, if the connecting port 7 is not needed, the connecting port 7 can be sealed with a threaded cover or a clip, and the gas is discharged upward by squeezing the air bag 6 of the respirator, and a part of the excess gas is discharged through the exhaust valve, and a part continues to be discharged upward, lifting the umbrella valve silicone sheet 4, and the umbrella valve silicone sheet 4 seals the exhalation exhaust hole 5, and the gas enters the oral cavity through the pipe and then reaches the lungs; when the human body exhales gas, the exhaled gas presses the umbrella valve silicone sheet 4 downward, and the gas is discharged from the exhalation exhaust hole 5, and the air inlet is sealed to prevent the gas exhaled by the human body from entering the air bag 6 and polluting the gas inside.

[0031] It should be noted that in the prior art, when a duckbill valve is used to achieve one-way airflow control, the duckbill valve is in a closed state under normal conditions, and can only achieve one-way flow of airflow, and cannot simultaneously open and close the exhalation exhaust hole 5, resulting in poor effect in preventing the gas exhaled by the human body from entering the airbag 6 and polluting the gas inside. Therefore, by adopting the umbrella valve structure, the gas is discharged upward by squeezing the airbag 6, a part of the excess gas is discharged through the exhaust valve, and a part continues to be discharged upward, lifting the umbrella valve silicone sheet 4, the umbrella valve silicone sheet 4 seals the exhalation exhaust hole 5, and the gas enters the oral cavity through the pipeline and then reaches the lungs; when the human body exhales gas, the exhaled gas presses the umbrella valve silicone sheet 4 downward, the gas is discharged from the exhalation exhaust hole 5, and the air inlet is sealed, preventing the gas exhaled by the human body from entering the airbag 6 and polluting the gas inside.

[0032] Furthermore, as a preferred embodiment of the utility model, the respirator also includes a drug delivery component 8, which is used to deliver the drug and transmit it to the human body through breathing. Specifically, in actual application, it can be selected whether to install the drug delivery component 8 according to needs. When the drug delivery component 8 is not used, the respirator can be used as a non-drug delivery version. When the drug delivery component 8 is provided, the respirator can be used as a drug delivery version, which is simple and convenient and has a wider range of applications.

[0033] Furthermore, as a preferred embodiment of the utility model, the drug delivery component 8 includes a mounting component and a drug delivery hole 9 arranged on the mounting component. The mounting component can be arranged on the respirator by threaded connection or welding in the prior art, which will not be described in detail here.

[0034] Furthermore, as a preferred embodiment of the utility model, the respirator also includes a connecting tube 10, the exhaust port 3 is arranged inside the connecting tube 10, and the mounting piece can be detachably arranged outside the connecting tube 10, the drug delivery hole 9 arranged on the mounting piece can be connected to the connecting tube 10, and the connecting tube 10 is correspondingly provided with an opening connected to the drug delivery hole 9, and the opening can be closed with a threaded cover when the drug delivery piece 8 is not in use. The details can be referred to the prior art and will not be elaborated here.

[0035] In one embodiment of the present invention, the connecting tube 10 is used to connect with an external mask. Specifically, the connecting tube 10 is connected with the external mask, and then the mask is buckled over the patient's mouth and nose, and 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 6 is squeezed or gas is delivered into the airbag 6, and the gas is delivered to the mask through the connecting tube 10, so as to achieve gas supply. If the gas is delivered into the lungs directly by squeezing the airbag 6, the airbag 6 can be squeezed regularly to provide sufficient inhalation / exhalation time (usually 10-15 times / minute for adults and 14-20 times / minute for children).

[0036] In another embodiment of the present invention, a pressure safety valve is further provided on the side of the pipe body 1 away from the connecting pipe 10, as shown in FIG. Figure 1 The structure shown on the left side of the outside of the middle tube body 1 can be used as an exhaust valve. The pressure safety valve can be used to effectively control the air pressure of the airbag 6 to avoid excessive pressure. The pressure safety valve can adopt valve products in the prior art in practical applications. The control of the valve 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 pressure safety valve is a manual valve in the existing products. The specific model is selected according to demand and is not limited here. As long as the opening and closing adjustment can be used to effectively control the air pressure of the airbag 6, thereby avoiding excessive pressure, it will be fine.

[0037] In addition, it should be noted that when the respirator is used, it is connected to an external mask, and then the mask is buckled over the patient's mouth and nose, the left thumb and index finger are pressed tightly, and the other fingers are pressed tightly on the lower jaw, and then the air bag 6 is squeezed or gas is delivered into the air bag 6, and the gas is delivered to the mask through the connecting tube 10, thereby achieving gas supply. In addition, especially when the patient's condition is critical and there is no time for tracheal intubation, 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.

[0038] In actual operation, the mask can be tightly fixed first to ensure that the mask fits well with the patient's face. Then squeeze the airbag 6 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 squeezing the airbag 6, 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 also 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.

[0039] The implementation principle of this embodiment is as follows: by squeezing the air bag 6 of the respirator, the gas is discharged upward, a part of the excess gas is discharged through the exhaust valve, and a part continues to be discharged upward, lifting the umbrella valve silicone sheet 4, the umbrella valve silicone sheet 4 seals the exhalation exhaust hole 5, and the gas enters the oral cavity through the pipeline and then reaches the lungs; when the human body exhales gas, the exhaled gas presses the umbrella valve silicone sheet 4 downward, so that the gas is discharged from the exhalation exhaust hole 5 and the air inlet is sealed at the same time to prevent the gas exhaled by the human body from entering the air bag 6, thereby avoiding polluting the internal air.

[0040] 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.

[0041] 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.

[0042] 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 umbrella valve structure, comprising an umbrella valve limiting mechanism (2) arranged in a tube body (1), characterized in that: The umbrella valve limiting mechanism (2) comprises an upper connecting portion and a lower limiting portion, wherein: An exhaust port (3) for exhausting gas is arranged on one side of the tube body (1), an umbrella valve silicone sheet (4) is sleeved on the outer side of the connecting portion, and an air inlet is arranged on a limiting portion below one side of the umbrella valve silicone sheet (4) facing the exhaust port (3). The umbrella valve silicone sheet (4) can be pressed downward under the pressure generated when gas is input from the exhaust port (3) to seal the air inlet.

2. An umbrella valve structure according to claim 1, characterized in that: An exhalation exhaust hole (5) is also provided in the portion of the tube body (1) located above the umbrella valve silicone sheet (4).

3. A respirator, comprising an umbrella valve structure as claimed in any one of claims 1 to 2, characterized in that: The respirator further comprises: an air bag (6) connected to the lower part of the tube body (1), and a communication port (7) is provided at the lower end of the air bag (6).

4. A respirator according to claim 3, characterized in that: The respirator also includes a drug delivery device (8).

5. A respirator according to claim 4, characterized in that: The drug delivery member (8) comprises a mounting member and a drug delivery hole (9) arranged on the mounting member.

6. A respirator according to claim 5, characterized in that: The respirator further comprises a connecting pipe (10), and the exhaust port (3) is arranged inside the connecting pipe (10).

Images