Pressurized oxygen bag capable of accurately adjusting flow

Abstract

The utility model discloses a pressurization type oxygen bag capable of accurately adjusting flow, which comprises a protective layer and a self-balancing air inlet system, an oxygen bag main body is arranged on the inner side of the middle part of the protective layer, an exhaust end is arranged at the bottom end of the oxygen bag main body, and a flow valve and a flow meter are arranged on the inner side of the exhaust end. By pressurizing the oxygen bag, the phenomenon that medical staff squeeze the oxygen bag with bare hands clinically is avoided, and residual oxygen in the oxygen bag is effectively utilized; meanwhile, personalized and accurate oxygen flow setting is achieved by adjusting the oxygen flow meter, the phenomenon that the oxygen flow cannot be set in an oxygen bag clinically is solved, effective oxygen therapy of a patient is guaranteed, the flow meter can display the flow of residual oxygen in the oxygen bag in real time, predictive oxygen preparation is facilitated, and continuous oxygen therapy of the patient is guaranteed; in addition, a pressure alarm plugging module is installed at the oxygen inlet, automatic plugging and alarm operation can be carried out when oxygen filling reaches a preset value, and the phenomenon that the oxygen bag explodes due to excessive oxygen filling is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a pressurized oxygen bag capable of accurately adjusting flow rate. Background Art

[0002] Oxygen bags are bags used to store oxygen. They are mainly made of non-toxic materials, without harmful chemical reactions, and easy to clean and disinfect. Oxygen bags are easy to carry and simple to operate. They can be used in medical units to transfer patients, and can also be used for home oxygen therapy.

[0003] Among them, the biggest and most notable features of medical oxygen bags are their light weight, easy portability, safety, and easy disinfection. They are widely used in pre-hospital emergency care, patient transfer, and primary medical institutions. They are usually blue in color. When inflating the medical oxygen bag, the airway tube is connected to the oxygen concentrator or oxygen cylinder. After the oxygen is transported into the medical oxygen bag through the air inlet duct, the air inlet duct is closed with a regulating valve, allowing the medical oxygen bag to store and carry oxygen.

[0004] Existing oxygen bags: ① During the oxygen filling process, the pressure in the oxygen bag cannot be alarmed, resulting in the risk of explosion of the oxygen bag when the pressure is too high; ② When in use, there is no pressurization module to promote the discharge of residual oxygen in the oxygen bag, and the discharge of effective oxygen flow cannot be guaranteed; ③ The oxygen flow cannot be accurately adjusted, and personalized oxygen therapy settings cannot be implemented for different patients.

[0005] In summary, the existing oxygen bags have the above disadvantages in clinical use and do not meet the use requirements. In this regard, we propose a pressurized oxygen bag that can accurately adjust the flow rate. Utility Model Content

[0006] The utility model aims to provide a pressurized oxygen bag with accurately adjustable flow rate, so as to solve the problems proposed in the above-mentioned background technology that the existing oxygen bag cannot alarm the pressure in the oxygen bag during the oxygenation process, the oxygen bag has the risk of explosion when the pressure is too high, the residual oxygen in the oxygen bag cannot be effectively discharged, and personalized oxygen flow setting cannot be provided.

[0007] To achieve the above object, the present utility model provides the following technical solution: A pressurized oxygen bag that can accurately adjust the flow rate, including a protective layer and a self-balancing air intake system. Inside the middle of the protective layer, an oxygen bag body is installed. At the bottom end of the oxygen bag body, an exhaust end is installed. Inside the exhaust end, a flow valve and a flow meter are provided. At the upper end of the oxygen bag body, a self-balancing air intake system is installed. The self-balancing air intake system includes an installation sleeve; inside the bottom end of the installation sleeve, a limit exhaust ring is fixedly installed. On the upper end surface of the limit exhaust ring, a first support spring is provided. At the upper end of the first support spring, a protective sleeve is installed. Inside the protective sleeve, a battery module is provided. On the upper end surface of the protective sleeve, a push rod is installed. Outside the bottom end of the push rod, a second support spring is provided. The outside of the protective sleeve is slidably connected to a movable plugging seat. At the upper end of the movable plugging seat, a gas guiding piece is installed. Outside the gas guiding piece, a sealing sleeve is fixedly installed.

[0008] Preferably, the upper end of the oxygen bag body is fixedly connected to the protective layer through a connecting sleeve, and an air inlet nozzle is fixedly installed at the upper end of the connecting sleeve.

[0009] Preferably, between the protective layer and the oxygen bag body, two pressurized air bags are provided. The two pressurized air bags are connected through a pressurized pipeline, and the protective layer is adhesively fixed to the pressurized air bags.

[0010] Preferably, at one end of the pressurized pipeline away from the pressurized air bag, a manual pressurizing ball is fixedly provided, and the pressurized pipeline is connected to the manual pressurizing ball through penetration.

[0011] Preferably, between the installation sleeve and the movable plugging seat, a gas guiding channel is provided. The limit exhaust ring and the gas guiding piece are connected through the gas guiding channel, and the gas guiding piece and the installation sleeve are fixedly connected through the sealing sleeve.

[0012] Preferably, the bottom end of the movable plugging seat is connected to the limit exhaust ring through the first support spring, the bottom end of the push rod is connected to the movable plugging seat through the second support spring, the upper end of the push rod penetrates the movable plugging seat and is inserted into the inside of the middle part of the gas guiding piece, and a buzzer is provided on the inner wall of the upper end of the movable plugging seat.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. When using the oxygen inside the oxygen bag body of the present utility model, by pressurizing the pressurized air bag, the effective output of oxygen in the oxygen bag can be realized, and the utilization rate of oxygen can be improved. A gas guiding channel is provided between the installation sleeve and the movable plugging seat, and the gas guiding channel is connected to the limit exhaust ring and the gas guiding piece through penetration. Then, the injected oxygen presses down the movable plugging seat and the push rod, so that the movable plugging seat is separated from the sealing sleeve and the push rod is separated from the gas guiding piece, thereby realizing the input of oxygen;

[0015] 2. When the internal pressure of the oxygen bag main body reaches a predetermined value, the protective sleeve is driven by the pressure inside the oxygen bag main body, and the upper end of the push rod is inserted into the inner side of the air guide piece to block the air guide piece, thereby realizing automatic blocking operation when the internal pressure of the oxygen bag main body reaches the predetermined value, effectively avoiding the explosion of the oxygen bag caused by excessive internal pressure of the oxygen bag main body, and a buzzer is provided on the inner wall of the upper end of the movable blocking seat, and the buzzer can synchronously give an alarm to remind the operator to stop oxygen filling;

[0016] 3. An exhaust end is installed at the bottom end of the oxygen bag main body, and a flow valve and a flow meter are installed at the exhaust end. Through the flow regulation system, the purpose of personalized oxygen flow treatment according to the patient's condition is achieved. At the same time, the remaining oxygen in the oxygen bag is displayed in real time through the flow meter to predictably prepare oxygen and ensure continuous oxygen therapy for the patient. Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0018] Figure 2 is a schematic cross-sectional structural diagram of the whole of the present utility model;

[0019] Figure 3 is an enlarged schematic structural diagram of area A of the present utility model;

[0020] Figure 4 is an enlarged schematic structural diagram of area B of the present utility model.

[0021] In the figure: 1. Protective layer; 2. Self-balancing air intake system; 3. Exhaust end; 4. Pressurizing pipeline; 5. Pressurizing airbag; 6. Oxygen bag main body; 7. Connecting sleeve; 8. Air intake nozzle; 9. Installation sleeve; 10. Limit exhaust ring; 11. First support spring; 12. Protective sleeve; 13. Battery module; 14. Push rod; 15. Second support spring; 16. Movable blocking seat; 17. Sealing sleeve; 18. Air guide piece; 19. Manual pressurizing ball. Detailed Embodiment

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Please refer to Figures 1 to 2, an embodiment provided by the present utility model: a pressure - type oxygen bag capable of precisely adjusting the flow rate, including a protective layer 1 and a self - balancing air intake system 2. Inside the middle of the protective layer 1, an oxygen bag body 6 is installed. The upper end of the oxygen bag body 6 is fixedly connected to the protective layer 1 through a connecting sleeve 7. At the upper end of the connecting sleeve 7, an air inlet nozzle 8 is fixedly installed. Between the protective layer 1 and the oxygen bag body 6, there are two pressurizing air bags 5. The two pressurizing air bags 5 are connected through a pressurizing pipeline 4. One end of the pressurizing pipeline 4 away from the pressurizing air bags 5 is fixedly provided with a manual pressurizing ball 19. The pressurizing pipeline 4 is connected to the manual pressurizing ball 19 in a through - connection manner, enabling the manual pressurizing ball 19 to perform a manual pressurizing operation on the pressurizing air bags 5 through the pressurizing pipeline 4;

[0024] The protective layer 1 is adhesively fixed to the pressurizing air bags 5. When using the oxygen inside the oxygen bag body 6, by squeezing the pressurizing air bags 5, the effective output of oxygen from the oxygen bag body 6 can be maintained, improving the utilization rate of the remaining oxygen in the oxygen bag.

[0025] Please refer to Figures 2 to 4 , at the bottom end of the oxygen bag body 6, an exhaust end 3 is installed. Inside the exhaust end 3, a flow valve and a flow meter are provided. At the upper end of the oxygen bag body 6, a self - balancing air intake system 2 is installed. Through the exhaust end 3, the oxygen flow rate can be individually regulated according to the patient's condition needs and the pressure of the oxygen bag can be displayed in real - time, facilitating the adoption of anticipatory oxygen - preparation measures;

[0026] The self - balancing air intake system 2 includes an installation sleeve 9. Inside the bottom end of the installation sleeve 9, a limit exhaust ring 10 is fixedly installed. On the upper end face of the limit exhaust ring 10, a first support spring 11 is provided. At the upper end of the first support spring 11, a protective sleeve 12 is installed. Inside the protective sleeve 12, a battery module 13 is provided. On the upper end face of the protective sleeve 12, a push rod 14 is installed. Outside the bottom end of the push rod 14, a second support spring 15 is provided. The protective sleeve 12 is slidably connected to a movable sealing seat 16. At the upper end of the movable sealing seat 16, a guide air piece 18 is installed. Inside the upper end wall of the movable sealing seat 16, a buzzer is provided. Outside the guide air piece 18, a sealing sleeve 17 is fixedly installed. There is a guide air channel between the installation sleeve 9 and the movable sealing seat 16. The limit exhaust ring 10 and the guide air piece 18 are connected through the guide air channel. The guide air piece 18 and the installation sleeve 9 are fixedly connected through the sealing sleeve 17. The injected oxygen presses down on the movable sealing seat 16 and the push rod 14, causing the movable sealing seat 16 to separate from the sealing sleeve 17 and the push rod 14 to separate from the guide air piece 18, thereby realizing the input of oxygen.

[0027] Please refer to Figure 4, the bottom end of the movable plugging seat 16 is connected to the limit exhaust ring 10 through the first support spring 11, the bottom end of the push rod 14 is connected to the movable plugging seat 16 through the second support spring 15, the upper end of the push rod 14 penetrates through the movable plugging seat 16 and is inserted into the inner side of the middle of the air guide piece 18, and an automatic plugging operation is carried out when the internal pressure of the oxygen bag main body 6 reaches a predetermined value, effectively avoiding excessive pressure inside the oxygen bag main body 6.

[0028] When in use, check the integrity and tightness of each part of the oxygen bag. Two pressurizing air bags 5 are fixedly installed between the protective layer 1 and the oxygen bag main body 6, and the two pressurizing air bags 5 are connected through a pressurizing pipeline 4. The oxygen is injected into the inside of the oxygen bag main body 6 through the self-balancing air intake system 2. The pressurizing pipeline 4 is connected to the manual pressurizing ball 19 in a through manner, so that squeezing the manual pressurizing ball 19 can inject air into the inside of the pressurizing air bag 5 through the pressurizing pipeline 4. Furthermore, when using the oxygen inside the oxygen bag main body 6, squeezing the pressurizing air bag 5 can keep the oxygen output rate of the oxygen bag main body 6 stable and improve the utilization rate of oxygen.

[0029] An exhaust end 3 is installed at the bottom end of the oxygen bag main body 6. A flow valve and a flow meter are arranged inside the exhaust end 3. The oxygen flow rate can be adjusted and controlled individually according to the patient's condition through the exhaust end 3;

[0030] When injecting oxygen through the air inlet nozzle 8, a gas guiding channel is provided between the installation sleeve 9 and the movable plugging seat 16, and the gas guiding channel is connected to the limit exhaust ring 10 and the air guide piece 18 in a through manner. Furthermore, the injected oxygen presses down the movable plugging seat 16 and the push rod 14, so that the movable plugging seat 16 is separated from the sealing sleeve 17 and the push rod 14 is separated from the air guide piece 18, thereby realizing the input of oxygen;

[0031] When the internal pressure of the oxygen bag main body 6 reaches a predetermined value, the protective sleeve 12 drives the upper end of the push rod 14 to be inserted into the inner side of the air guide piece 18 under the pressure inside the oxygen bag main body 6, realizing the plugging of the air guide piece 18. Furthermore, an automatic plugging operation is carried out when the internal pressure of the oxygen bag main body 6 reaches a predetermined value, effectively avoiding excessive pressure inside the oxygen bag main body 6. And a buzzer is arranged on the inner wall of the upper end of the movable plugging seat 16, and the buzzer can synchronously give an alarm to realize the stop prompt of the oxygen injection operation.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A pressurized oxygen bag capable of precisely adjusting the flow rate, comprising a protective layer (1) and a self-balancing air intake system (2), characterized in that: Inside the middle of the protective layer (1), an oxygen bag body (6) is installed. At the bottom end of the oxygen bag body (6), an exhaust end (3) is installed. Inside the exhaust end (3), a flow valve and a flow meter are provided. At the upper end of the oxygen bag body (6), a self-balancing air intake system (2) is installed. The self-balancing air intake system (2) includes an installation sleeve (9). Inside the bottom end of the installation sleeve (9), a limit exhaust ring (10) is fixedly installed. On the upper end face of the limit exhaust ring (10), a first support spring (11) is provided. At the upper end of the first support spring (11), a protective sleeve (12) is installed. Inside the protective sleeve (12), a battery module (13) is provided. On the upper end face of the protective sleeve (12), a push rod (14) is installed. Outside the bottom end of the push rod (14), a second support spring (15) is provided. The outside of the protective sleeve (12) is slidably connected to a movable plugging seat (16). At the upper end of the movable plugging seat (16), a gas guiding piece (18) is installed. Outside the gas guiding piece (18), a sealing sleeve (17) is fixedly installed.

2. The pressurized oxygen bag capable of precisely adjusting the flow rate according to claim 1, characterized in that: The upper end of the oxygen bag body (6) and the protective layer (1) are fixedly connected through a connecting sleeve (7). At the upper end of the connecting sleeve (7), an air inlet nozzle (8) is fixedly installed.

3. The pressurized oxygen bag capable of precisely adjusting the flow rate according to claim 1, wherein: Between the protective layer (1) and the oxygen bag body (6), two pressurizing air bags (5) are provided. The two pressurizing air bags (5) are connected through a pressurizing pipeline (4). The protective layer (1) and the pressurizing air bags (5) are adhesively fixed.

4. A pressurized oxygen bag capable of precisely adjusting the flow rate according to claim 3, characterized in that: One end of the pressurizing pipeline (4) far from the pressurizing air bags (5) is fixedly provided with a manual pressurizing ball (19). The pressurizing pipeline (4) is connected to the manual pressurizing ball (19) through penetration.

5. A pressurized oxygen bag capable of precisely adjusting the flow rate according to claim 1, characterized in that: Between the installation sleeve (9) and the movable plugging seat (16), a gas guiding channel is provided. The limit exhaust ring (10) and the gas guiding piece (18) are connected through the gas guiding channel. The gas guiding piece (18) and the installation sleeve (9) are fixedly connected through the sealing sleeve (17).

6. The pressurized oxygen bag capable of precisely adjusting the flow rate according to claim 1, characterized in that: The bottom end of the movable plugging seat (16) and the limit exhaust ring (10) are connected through the first support spring (11). The bottom end of the push rod (14) and the movable plugging seat (16) are connected through the second support spring (15). The upper end of the push rod (14) penetrates through the movable plugging seat (16) and is inserted into the inside of the middle part of the gas guiding piece (18). Inside the inner wall of the upper end of the movable plugging seat (16), a buzzer is provided.

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