Self-service lifting nursing equipment for medical hyperbaric oxygen chamber
The self-adjusting care device for high-pressure oxygen chambers addresses carbon dioxide buildup and ear pressure issues by separating and recycling gases, improving treatment efficacy and patient comfort.
Patent Information
- Application Number
- CN202510428993.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2025-07-15
AI Technical Summary
The existing high-pressure oxygen chamber equipment has problems in gas management and ear pressure balance. The complex gas environment leads to an increase in carbon dioxide concentration that affects the treatment effect. The waste of oxygen resources is serious, the problem of ear discomfort is prominent, and traditional adjustment methods are limited.
Design an oxygen recovery structure to connect the carbon dioxide absorption component to the mask, use the airbag pillow and pressure regulating component to achieve carbon dioxide adsorption and ear pressure reduction, improve oxygen absorption rate, enhance treatment effect, and improve patient comfort.
It realizes efficient recycling and utilization of oxygen, reduces medical costs, improves oxygen absorption, reduces ear discomfort, and enhances treatment effect and comfort.
Smart Images
Figure CN120305072A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical auxiliary appliances, and particularly relates to a self-lifting nursing device for a medical hyperbaric oxygen chamber. Background Art
[0002] In the medical field, hyperbaric oxygen chambers are widely used in the treatment of various diseases, such as carbon monoxide poisoning, decompression sickness, and some chronic ischemic diseases. However, some problems still need to be solved in the actual use of existing hyperbaric oxygen chamber equipment.
[0003] From the perspective of gas management, the gas environment inside the chamber is relatively complex. During the breathing process of patients, the exhaled gas contains a large amount of carbon dioxide. If not separated and treated in a timely and effective manner, it will cause the carbon dioxide concentration inside the chamber to gradually increase, not only reducing the relative content of oxygen and affecting the treatment effect, but also possibly causing discomfort to patients and even threatening their life and health. At the same time, how to efficiently utilize the oxygen that has not been completely consumed in the exhaled gas of patients to achieve the recycling of resources is also the direction that current hyperbaric oxygen chamber equipment needs to be improved.
[0004] In terms of ear pressure balance, during hyperbaric oxygen chamber treatment, the pressure inside the chamber is higher than the external atmospheric pressure. This pressure difference easily causes discomfort in patients' ears, such as ear fullness, tinnitus, and even pain, and may seriously damage the ear structure and affect hearing in severe cases. Especially for some patients with more sensitive ears or those who need long-term hyperbaric oxygen treatment, the problem of ear pressure balance is particularly prominent. Currently, traditional hyperbaric oxygen chambers have limited means for adjusting ear pressure balance and usually rely on patients themselves to relieve it through simple actions such as swallowing and chewing, and the effect is not ideal. Summary of the Invention
[0005] Aiming at the above existing problems, the present invention aims to provide a self-lifting nursing device for a medical hyperbaric oxygen chamber, which can separate and utilize carbon dioxide and oxygen, separate the mixed gas of exhaled carbon dioxide and oxygen, improve the oxygen absorption rate, and significantly enhance the effect of hyperbaric oxygen treatment. At the same time, the recycling of the residual oxygen in the exhaled gas not only saves oxygen resources, reduces medical costs, but also conforms to the concept of sustainable development.
[0006] The main idea of the technical solution adopted by the present invention: By designing an oxygen recovery structure and connecting a carbon dioxide absorption component to the mask, most of the oxygen can be retained inside the mask and then inhaled again into the patient's trachea through inhalation, improving the oxygen absorption rate and avoiding oxygen waste; the other end of the carbon dioxide absorption component is connected to an airbag pillow provided at the airbag pillow of the seat, so that during the patient's treatment, the airbag pillow gradually bulges, improving the patient's comfort; a carbon dioxide adsorbent is also provided inside the airbag pillow. In the initial state, the carbon dioxide adsorbent and the carbon dioxide in the airbag pillow are not in contact with each other through a baffle. When the airbag pillow is too full, the motor five connected to the baffle drives the baffle to rotate, making the carbon dioxide adsorbent contact the carbon dioxide in the airbag pillow, and the carbon dioxide in the airbag pillow is absorbed by the carbon dioxide adsorbent; the airbag pillow is also connected to a pressure regulating component, and both ends of the pressure regulating component are respectively communicated with an air inlet and an air outlet provided inside the airbag pillow. Two different-diameter pipes are symmetrically arranged and are respectively connected to two earcups. When the gas flows through the different-diameter pipes, at the part with a smaller middle diameter, the gas flow rate becomes faster and the pressure decreases. By controlling the gas flow rate, the pressure in the independent space of the ear can be reduced. At the same time, since the pressure inside the cabin is higher than the pressure inside the earcups, the earcups will be pressed tightly against both sides of the human ear, making the pressure regulating device fit better with the human head.
[0007] In order to achieve the above object, the technical solution adopted by the present invention is as follows: A self-lifting nursing device for a medical hyperbaric oxygen chamber, including a liftable seat, the seat includes a head plate, and a mask and an airbag pillow are provided on the head plate. The head plate is further provided with: An absorption tube, with both ends respectively connected to the mask and the airbag pillow, capable of absorbing the carbon dioxide exhaled by the patient into the airbag pillow; A pressure regulating component, provided on the head plate, including a pressure regulating frame and earcups connected to each other. Both ends of the pressure regulating frame are communicated with the inside of the airbag pillow, and the pressure of the earcups can be reduced by controlling the gas flow rate inside the pressure regulating frame.
[0008] Through the above technical solution, further: An installation frame is provided on the head plate. Both ends of the installation frame are communicated with the inside of the airbag pillow through L-shaped pipes, and reverse-rotating fans are provided at the pipe orifices of the L-shaped pipes.
[0009] Through the above technical solution, further: The pressure regulating frame is provided on the installation frame and is rotatably connected to the installation frame. Two different-diameter pipes are symmetrically arranged on the pressure regulating frame, and the earcups are arranged between the two different-diameter pipes.
[0010] Through the above technical solution, further: The diameter of the middle part of the different-diameter pipe is smaller than that of both ends, and the earcup is connected to the middle part of the different-diameter pipe.
[0011] With the above technical solutions, further: The earmuffs are shaped like horns, and the two earmuffs are connected by an arc-shaped rod.
[0012] With the above technical solutions, further: A desiccant and a separation membrane are sequentially arranged in the absorption tube. The desiccant is arranged at one end close to the face mask, and the separation membrane can block most of the oxygen from passing through.
[0013] With the above technical solutions, further: A one-way valve is arranged at one end of the absorption tube connected to the airbag pillow, so that the air flow can only flow from the absorption tube into the airbag pillow.
[0014] With the above technical solutions, further: A placement box is arranged inside the airbag pillow, and a carbon dioxide adsorbent is placed inside the placement box.
[0015] With the above technical solutions, further: One end of the placement box is rotatably connected to a baffle, and one end of the baffle is connected to Motor Five.
[0016] The beneficial effects of the present invention are: 1. By designing an oxygen recovery structure and connecting a carbon dioxide absorption component to the face mask, most of the oxygen can be retained inside the face mask and then inhaled into the patient's trachea again, improving the oxygen absorption rate and avoiding oxygen waste.
[0017] 2. The other end of the carbon dioxide absorption component is connected to the airbag pillow arranged at the airbag pillow of the seat, so that during the patient's treatment, the airbag pillow gradually bulges, improving the comfort of the patient; a carbon dioxide adsorbent is also arranged inside the airbag pillow. In the initial state, the carbon dioxide adsorbent and the carbon dioxide in the airbag pillow do not contact each other through the baffle. When the airbag pillow is too full, the baffle is driven to rotate by Motor Five connected to the baffle, so that the carbon dioxide adsorbent contacts the carbon dioxide in the airbag pillow, and the carbon dioxide in the airbag pillow is absorbed by the carbon dioxide adsorbent.
[0018] 3. The airbag pillow is also connected to a pressure regulating component. The two ends of the pressure regulating component are respectively communicated with the air inlet and the air outlet arranged inside the airbag pillow, and two different-diameter pipes are symmetrically arranged and are respectively connected to the two earmuffs. When the gas flows through the different-diameter pipes, at the part where the middle diameter is small, the gas flow rate becomes faster and the pressure decreases. By controlling the gas flow rate, the pressure in the independent space of the ear can be reduced. At the same time, since the pressure inside the cabin is higher than the pressure inside the earmuffs, the earmuffs will be pressed tightly against both sides of the human ear, making the pressure regulating device fit better with the human head.
[0019] 4. A leg plate, a seat plate and a backrest are respectively rotatably connected to the seat. By controlling the angles at the connection points, the shape of the seat can be controlled, enabling the patient to receive hyperbaric oxygen chamber treatment in different body positions. Description of the Drawings
[0020] Figure 1 Schematic three-dimensional structure diagram of the present invention; Figure 2 Schematic three-dimensional structure diagram of the present invention in a flat state; Figure 3 Schematic three-dimensional structure diagram of the present invention from another angle; Figure 4 Schematic three-dimensional structure diagram of the connection relationship of the backrest of the present invention; Figure 5 Schematic three-dimensional structure diagram of the lifting assembly of the present invention; Figure 6 is Figure 5 Schematic enlarged view of partial structure; Figure 7 Schematic three-dimensional structure diagram of the present invention in a state where the seat board is lifted by the lifting assembly; Figure 8 Schematic three-dimensional structure diagram of the connection relationship of the face mask of the present invention; Figure 9 Schematic three-dimensional structure diagram of the internal structure of the airbag pillow of the present invention; Figure 10 is Figure 8 Top view schematic diagram; Figure 11 is Figure 10 Schematic sectional view along A-A; Figure 12 is Figure 11 Schematic enlarged view of partial structure; Figure 13 Schematic three-dimensional structure diagram of the pressure regulating frame and ear cups of the present invention; Figure 14 Schematic partial sectional structure diagram of the airbag pillow of the present invention; Figure 15 Schematic model diagram of the three-dimensional structure of the present invention; Figure 16 Perspective view of the three-dimensional structure of the present invention; Wherein: 1. Seat; 101. Universal wheel; 102. Seat board; 103. Support column; 104. Chassis; 105. Leg board; 106. Motor II; 107. Backrest; 108. Connecting frame; 109. Connecting rod; 110. Gear III; 111. Support plate; 112. C-shaped rod; 113. Armrest; 114. Head board; 115. Motor IV; 116. Face mask; 117. Airbag pillow; 2. Lifting assembly; 201. Screw rod; 202. Support frame; 203. Motor I; 204. Gear I; 205. Gear II; 3. Carbon dioxide absorption assembly; 301. Absorption tube; 302. Desiccant; 303. Separation membrane; 304. Placing box; 305. Baffle; 306. Motor V; 307. Lid; 308. Check valve; 4. Pressure regulating assembly; 401. Mounting bracket; 401-1. L-shaped pipe; 401-2. Rotating rod; 402. Pressure regulating frame; 403. Reducing pipe; 404. Ear cup; 405. Fan. Detailed implementation manner
[0021] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Usually, the components of the embodiments of the present application described and illustrated herein can be arranged and designed in various different configurations.
[0022] The inventors have found through research that from the perspective of gas management, the gas environment in the cabin is relatively complex. During the breathing process of patients, the exhaled gas contains a large amount of carbon dioxide. If it is not separated and treated in a timely and effective manner, the carbon dioxide concentration in the cabin will gradually increase, which will not only reduce the relative content of oxygen and affect the treatment effect, but may also cause discomfort to patients and even threaten their life and health. At the same time, how to efficiently utilize the oxygen that has not been completely consumed in the exhaled gas of patients to achieve the recycling of resources is also the direction that current hyperbaric oxygen chamber equipment needs to be improved. In terms of ear pressure balance, during hyperbaric oxygen chamber treatment, the pressure in the chamber is higher than the external atmospheric pressure. This pressure difference easily causes discomfort in the patient's ears, such as ear fullness, tinnitus or even pain, and may seriously damage the ear structure and affect hearing in severe cases. Especially for some patients with more sensitive ears or those who need to receive long-term hyperbaric oxygen treatment, the problem of ear pressure balance is particularly prominent. Currently, traditional hyperbaric oxygen chambers have limited means for adjusting ear pressure balance and usually rely on patients themselves to relieve it through simple actions such as swallowing and chewing, and the effect is not ideal.
[0023] Based on the above findings, the present application proposes a self-lifting nursing device for a medical hyperbaric oxygen chamber. By designing an oxygen recovery structure, a carbon dioxide absorption component 3 is connected to the mask 116, enabling most of the oxygen to remain inside the mask 116 and then re-enter the patient's trachea through inhalation, thereby improving the oxygen absorption rate and avoiding oxygen waste. The other end of the carbon dioxide absorption component 3 is connected to the airbag pillow 117 provided at the airbag pillow 117 of the seat 1, such that during the patient's treatment, the airbag pillow 117 gradually inflates, enhancing the patient's comfort. A carbon dioxide adsorbent is also provided inside the airbag pillow 117. In the initial state, the carbon dioxide adsorbent and the carbon dioxide inside the airbag pillow 117 are not in contact with each other through a baffle 305. When the airbag pillow 117 is overly full, the motor five 306 connected to the baffle 305 drives the baffle 305 to rotate, causing the carbon dioxide adsorbent to come into contact with the carbon dioxide inside the airbag pillow 117, and the carbon dioxide inside the airbag pillow 117 is absorbed by the carbon dioxide adsorbent. The airbag pillow 117 is also connected to a pressure regulating component 4. Both ends of the pressure regulating component 4 are respectively communicated with an air inlet and an air outlet provided inside the airbag pillow 117. Two different-diameter pipes 403 are symmetrically arranged and are respectively connected to two ear cups 404. When the gas flows through the different-diameter pipe 403, at the part where the middle diameter is small, the gas flow rate becomes faster and the pressure decreases. By controlling the gas flow rate, the pressure in the independent space of the ear can be reduced. At the same time, since the pressure inside the chamber is higher than the pressure inside the ear cup 404, the ear cup 404 will be pressed tightly against both sides of the human ear, enabling the pressure regulating device to fit better with the human head.
[0024] Embodiment 1 Refer to Figures 1 - 16 , the present application discloses a self-lifting nursing device for a medical hyperbaric oxygen chamber, including a seat 1, with universal wheels 101 provided at the bottom for easy movement. The seat 1 includes a seat board 102, a support column 103 is provided at the bottom of the seat board 102, a chassis 104 is provided at the bottom of the support column 103, and the universal wheels 101 are provided at the bottom of the chassis 104.
[0025] The lifting assembly 2 is arranged inside the support column 103, enabling the height of the seat plate 102 to be adjusted, which is convenient for patients of different heights to use. The support column 103 is fixedly connected to the chassis 104. A support frame 202 is fixedly arranged on the support column 103. A first motor 203 is arranged on the support frame 202. The output shaft of the first motor 203 is connected to and rotates coaxially with a first gear 204. A second gear 205 is sleeved on the outer wall of the support column 103. The first gear 204 and the second gear 205 are on the same horizontal plane and are meshed with each other. The first gear 204 can drive the second gear 205 to rotate. An internal thread is arranged on the inner wall of the second gear 205, and a screw rod 201 is threadedly connected thereto. One end of the screw rod 201 extends into the support column 103, and the other end is connected to the seat plate 102 through a bearing. When the first motor 203 is started, it drives the first gear 204 to rotate. The first gear 204 drives the second gear 205 to rotate in the reverse direction through the meshing action. When the second gear 205 rotates, it drives the screw rod 201 to rotate through the thread, and then adjusts the height of the seat plate 102 by the rotation of the screw rod 201, realizing the up and down movement of the seat plate 102.
[0026] One end of the seat plate 102 is rotatably connected to an L-shaped leg plate 105 through a rotating shaft for placing the patient's legs and feet. And a second motor 106 is arranged at the connection position between the two. The second motor 106 is connected to the rotating shaft. By controlling the rotation angle of the second motor 106, the angle between the leg plate 105 and the seat plate 102 can be controlled to adapt to different body positions of the patient.
[0027] The other end of the seat plate 102 is rotatably connected to a backrest plate 107. A connecting frame 108 is arranged at the bottom of the seat plate 102. A connecting rod 109 is arranged between the connecting frames 108. A third motor is arranged at one end of the connecting rod 109. When the third motor is started, it can drive the connecting rod 109 to rotate. A third gear 110 is fixedly arranged on the connecting rod 109. The third gear 110 is fixedly connected to a support plate 111. The support plate 111 can support the backrest plate 107, thereby controlling the angle of the backrest plate 107. A C-shaped rod 112 is arranged on the back of the backrest plate 107. When the backrest plate 107 is parallel to the seat plate 102, the C-shaped rod 112 can contact the ground to provide stable support. Two armrests 113 are symmetrically arranged on both sides of the backrest plate 107.
[0028] The top of the backrest plate 107 is rotatably connected to a head plate 114 through a rotating shaft. A fourth motor 115 is arranged on one side of the head plate 114. The fourth motor 115 is connected to the rotating shaft. By controlling the rotation angle of the fourth motor 115, the angle between the head plate 114 and the backrest plate 107 can be controlled to adapt to different body positions of the patient.
[0029] Both ends of the head plate 114 are connected to a face mask 116 through connecting bands. The front end of the face mask 116 is connected to an oxygen generator.
[0030] Embodiment 2 In order to improve the utilization rate of oxygen, an oxygen recovery structure is designed to recycle carbon dioxide.
[0031] An airbag pillow 117 is arranged on the head plate 114, and a carbon dioxide absorption component 3 is arranged between the airbag pillow 117 and the face mask 116. The carbon dioxide absorption component 3 includes an absorption tube 301 for connecting the face mask 116 and the airbag pillow 117. A desiccant 302 and a separation membrane 303 are arranged inside the absorption tube 301. The separation membrane 303 is made of a polymer membrane, such as a polyimide (PI) membrane or a poly-4-methyl-1-pentene (PMP) membrane. In addition, a composite membrane and a mixed matrix membrane can also be used, such as a polysiloxane-microporous polypropylene composite membrane or a metal-doped graphene composite membrane. The above several separation membranes 303 can all separate oxygen and carbon dioxide, so that the oxygen entering the absorption tube 301 from the face mask 116 is reduced, and most of the oxygen still remains in the face mask 116, improving the oxygen absorption rate and avoiding oxygen waste. One end of the absorption tube 301 connected to the airbag pillow 117 is provided with a one-way valve 308, so that the air flow can only flow from the absorption tube 301 into the airbag pillow 117 and cannot flow reversely.
[0032] When the patient inhales oxygen, carbon dioxide, unabsorbed oxygen and water vapor are exhaled. The gas enters the absorption tube 301, first passes through the desiccant 302 to absorb the water vapor, and then passes through the separation membrane 303. Carbon dioxide can continue to move, but most of the oxygen stays before the separation membrane 303; the carbon dioxide finally enters the airbag pillow 117, making the airbag pillow 117 gradually bulge during the patient's treatment process and improving the comfort of the patient.
[0033] In addition, a placement box 304 is arranged inside the airbag pillow 117, and a carbon dioxide adsorbent is placed inside the placement box 304. One end of the placement box 304 is provided with a baffle 305, and the baffle 305 is rotatably connected to the placement box 304. One end of the baffle 305 is connected to a motor five 306. In the initial state, the carbon dioxide in the placement box 304 and the airbag pillow 117 are not in contact through the baffle 305. When the airbag pillow 117 is too full, the baffle 305 is driven to rotate by the motor five 306 connected to the baffle 305, so that the carbon dioxide adsorbent contacts the carbon dioxide in the airbag pillow 117, and the carbon dioxide in the airbag pillow 117 is absorbed by the carbon dioxide adsorbent.
[0034] In addition, a lid 307 is opened at the top of the airbag pillow 117, and the carbon dioxide adsorbent inside the placement box 304 can be replaced regularly.
[0035] Example Three During hyperbaric oxygen chamber treatment, the pressure inside the chamber is higher than the external atmospheric pressure. This pressure difference can easily cause discomfort in the patient's ears, such as ear fullness, tinnitus, and even pain. In severe cases, it may damage the ear structure and affect hearing. Especially for some patients with more sensitive ears or those who need long-term hyperbaric oxygen treatment, the problem of ear pressure balance is particularly prominent. Therefore, the airbag pillow 117 is also connected to a pressure regulating component 4, which can adjust the ear pressure.
[0036] The pressure regulating component 4 includes a mounting bracket 401 provided on the top of the head plate 114. The two ends of the mounting bracket 401 are respectively connected to the head plate 114, including two symmetrically arranged L-shaped tubes 401-1. One end of the L-shaped tube 401-1 extends into the airbag pillow 117, and a fan 405 is provided at the pipe orifice. A motor six and a motor seven are respectively connected to the fans 405. By controlling the rotation directions of the motor six and the motor seven, one of them is an intake fan 405, and the other is an exhaust fan 405, and their rotation directions are different; the other end of the L-shaped tube 401-1 extends out of the side of the head plate 114 and is connected to a fixed block provided on the side of the head plate 114. A rotating rod 401-2 is provided between the two fixed blocks. An opening is provided at one end of the rotating rod 401-2 close to the fixed block to allow air flow through; a pressure regulating frame 402 is fixedly provided on the rotating rod 401-2. A circulation hole is provided inside the pressure regulating frame 402, so that the gas enters from the L-shaped tube 401-1 provided with the intake fan 405. Due to the action of the fan 405, the gas flow rate increases, flows into one end of the pressure regulating frame 402 through the L-shaped tube 401-1 and the rotating rod 401-2, and then flows out from the other end of the pressure regulating frame 402, and flows back into the airbag pillow 117 through the rotating rod 401-2 and the L-shaped tube 401-1.
[0037] Two different-diameter tubes 403 are symmetrically arranged on the pressure regulating frame 402, and an earphone 404 is provided between the two different-diameter tubes 403. The middle part of the different-diameter tube 403 is thinner, and both ends are thicker. The connection position of the earphone 404 and the different-diameter tube 403 is the thinnest position. The earphone 404 is set in a horn shape, and the two earphones 404 are connected by an arc-shaped rod. When the gas flowing into the pressure regulating frame 402 flows through the different-diameter tube 403, at the part where the middle pipe diameter is small, the gas flow rate becomes faster and the pressure decreases, so that the pressure at the earphone 404 also becomes smaller. Therefore, by controlling the gas flow rate, the pressure in the independent ear space can be reduced. At the same time, since the pressure inside the chamber is higher than the pressure inside the earphone, the earphone 404 will be pressed tightly against both sides of the human ear, making the pressure regulating device fit better with the human head.
[0038] During pressure regulation, gas enters through the L-shaped pipe 401-1 equipped with the intake fan 405. Due to the effect of the fan 405, the gas flow rate increases. It flows into one end of the pressure regulation frame 402 through the L-shaped pipe 401-1 and the rotating rod 401-2. When the gas entering the pressure regulation frame 402 flows through the reducer pipe 403, at the part where the middle diameter is small, the gas flow rate becomes faster and the pressure decreases, causing the pressure at the earphone 404 to also become smaller. Then it flows out from the other end of the pressure regulation frame 402 and flows back into the airbag pillow 117 through the rotating rod 401-2 and the L-shaped pipe 401-1. Therefore, as long as there is gas in the airbag pillow 117, ear pressure regulation can be automatically achieved.
[0039] The usage process of the present invention is as follows: 1. The height of the seat plate 102 can be adjusted to facilitate patients of different heights. When the first motor 203 is started, it drives the first gear 204 to rotate. The first gear 204 drives the second gear 205 to rotate in the reverse direction through meshing. When the second gear 205 rotates, it drives the screw rod 201 to rotate through the thread, and then adjusts the height of the seat plate 102 by the rotation of the screw rod 201, realizing the up and down movement of the seat plate 102.
[0040] 2. By controlling the rotation angle of the second motor 106, the angle between the leg plate 105 and the seat plate 102 can be controlled; by controlling the rotation angle of the third motor, the angle between the push plate and the seat plate 102 can be controlled, and then the angle of the backrest 107 can be adjusted; by controlling the rotation angle of the fourth motor 115, the angle between the head plate 114 and the backrest 107 can be controlled to adapt to different body positions of patients.
[0041] 3. When the patient inhales oxygen and exhales carbon dioxide, unabsorbed oxygen and water vapor, the gas enters the absorption tube 301. First, it passes through the desiccant 302 to absorb the water vapor, and then through the separation membrane 303. Carbon dioxide can continue to move, but most of the oxygen stays in front of the separation membrane 303; carbon dioxide finally enters the airbag pillow 117, causing the airbag pillow 117 to gradually bulge during the patient's treatment, improving the comfort of the patient. When the airbag pillow 117 is too full, the motor five 306 connected to the baffle 305 drives the baffle 305 to rotate, making the carbon dioxide adsorbent contact with the carbon dioxide in the airbag pillow 117, and the carbon dioxide in the airbag pillow 117 is absorbed by the carbon dioxide adsorbent.
[0042] 4. When adjusting the pressure, the gas enters through the L-shaped pipe 401-1 provided with an intake check membrane. Due to the effect of the fan 405, the gas flow rate increases and flows into one end of the pressure regulating frame 402 through the L-shaped pipe 401-1 and the rotating rod 401-2. When the gas entering the pressure regulating frame 402 flows through the reducing pipe 403, at the part where the middle pipe diameter is small, the gas flow rate becomes faster and the pressure decreases, causing the pressure at the earphone 404 to also decrease. Then it flows out from the other end of the pressure regulating frame 402 and flows back into the airbag pillow 117 through the rotating rod 401-2 and the L-shaped pipe 401-1. Therefore, by controlling the gas flow rate, the pressure in the independent space of the ear can be reduced. At the same time, since the pressure in the cabin is higher than the pressure in the earphone, the earphone 404 will be pressed tightly against both sides of the human ear, making the pressure regulating device fit better with the human head.
[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.
Claims
1. A self-lifting nursing device for a medical hyperbaric oxygen chamber, comprising a liftable seat (1), the seat (1) including a head plate (114), and a face mask (116) is provided on the head plate (114), characterized in that, On the said head plate (114), there are also provided: An airbag pillow (117), which is connected to the face mask (116) through an absorption tube (301), and can absorb the carbon dioxide exhaled by the patient into the airbag pillow (117); A pressure regulating assembly (4), which is arranged on the head plate (114) and includes a pressure regulating frame (402) and ear cups (404) connected to each other. Both ends of the pressure regulating frame (402) are communicated with the inside of the airbag pillow (117), and by controlling the gas flow rate inside the pressure regulating frame (402), the ear cups (404) can be depressurized.
2. The self-lifting nursing device for a medical hyperbaric oxygen chamber according to claim 1, characterized in that: An installation frame (401) is arranged on the head plate (114). Both ends of the installation frame (401) are communicated with the inside of the airbag pillow (117) through L-shaped tubes (401-1), and air flow disturbing members that rotate in the reverse direction are arranged at the pipe orifices of the L-shaped tubes (401-1).
3. The self-lifting nursing device for a medical hyperbaric oxygen chamber according to claim 2, wherein: The pressure regulating frame (402) is arranged on the installation frame (401) and is rotationally connected to the installation frame (401). Two different-diameter tubes (403) are symmetrically arranged on the pressure regulating frame (402), and the ear cups (404) are arranged between the two different-diameter tubes (403).
4. The self-lifting nursing device for a medical hyperbaric oxygen chamber according to claim 3, characterized in that: The diameter of the middle part of the different-diameter tube (403) is smaller than that of both ends, and the ear cup (404) is connected to the middle part of the different-diameter tube (403).
5. The self-lifting nursing device for a medical hyperbaric oxygen chamber according to claim 4, characterized in that: The ear cup (404) is arranged in a horn shape, and the two ear cups (404) are connected by an arc-shaped rod.
6. The self-lifting nursing device for a medical hyperbaric oxygen chamber according to claim 5, characterized in that: A desiccant (302) and a separation membrane (303) are sequentially arranged in the absorption tube (301). The desiccant (302) is arranged at one end close to the face mask (116), and the separation membrane (303) can block most of the oxygen from passing through.
7. The self-lifting nursing device for a medical hyperbaric oxygen chamber according to claim 6, wherein: A one-way valve (308) is arranged at one end of the absorption tube (301) connected to the airbag pillow (117), so that the air flow can only flow from the absorption tube (301) into the airbag pillow (117).
8. The self-lifting nursing device for a medical hyperbaric oxygen chamber according to claim 7, characterized in that: A placement box (304) is arranged inside the airbag pillow (117), and a carbon dioxide adsorbent is placed inside the placement box (304).
9. The self-lifting nursing device for a medical hyperbaric oxygen chamber according to claim 8, wherein: One end of the placement box (304) is rotationally connected to a baffle (305), and one end of the baffle (305) is connected to a driving member.