Medical sleeping pillow
By integrating an EEG sensor and a sleeping posture sensor into the pillow and using triboelectric power, efficient and low-cost sleep quality monitoring and real-time alarms are achieved, solving the problems of inaccurate and high-cost sleep quality monitoring in existing technologies.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEBEI UNIV OF TECH
- Filing Date
- 2025-07-03
- Publication Date
- 2026-05-19
AI Technical Summary
Existing sleep monitoring devices cannot accurately determine sleep quality, and the testing costs are high.
It employs an electroencephalogram (EEG) sensor and a sleep posture sensor, utilizing the principle of triboelectricity to generate electrical charge. Combined with a controller, it analyzes EEG and sleep posture signals to achieve comprehensive sleep quality monitoring, eliminating the need for an external power supply.
It improves the accuracy of sleep quality monitoring, reduces testing costs, and provides health protection through real-time alarm functions.
Smart Images
Figure CN224251095U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of household appliances technology, and in particular to a medical sleeping pillow. Background Technology
[0002] Existing sleep monitoring devices do not collect comprehensive data, making it difficult to fully assess a user's sleep quality, and the testing costs are high.
[0003] For example, the adaptive pillow disclosed in patent document CN107126030A includes a support plate, a pillow core on the support plate, and a pressure sensor located on the support plate between the support plate and the pillow core. The pressure sensor detects and collects the pressure on the pillow in real time, and then analyzes and processes the collected data through a control circuit. However, the pressure sensor can only detect changes in the user's sleeping posture and cannot accurately determine the user's sleep quality. Moreover, the process of the pressure sensor detecting the user's sleeping posture is costly.
[0004] The patent document CN102125368B discloses an automatically adjustable height pillow, which includes a composite pillow, a control module connected to the composite pillow, and a sensor switch connected to the control module. The sensor switch is used to detect the height of the human sleeping posture in real time and output a corresponding level signal. However, the sensor switch can only detect the height of the user's sleeping posture and it is difficult to accurately judge the user's sleep quality. At the same time, the operation of the sensor switch requires high costs.
[0005] Therefore, how to improve the accuracy of sleep quality monitoring while reducing the cost of sleep quality monitoring has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content
[0006] The purpose of this invention is to provide a medical pillow that improves the accuracy of sleep quality monitoring while reducing the cost of such monitoring.
[0007] To achieve the above objectives, this utility model provides the following solution:
[0008] This utility model provides a medical sleeping pillow, which includes a pillow and has the following features inside:
[0009] A brainwave sensor, wherein the brainwave sensor is used to monitor the user's brainwave signals;
[0010] A plurality of sleeping posture sensors, each sleeping posture sensor including a first friction element, a second friction element and a reset element, wherein the first friction element and the second friction element are spaced apart from top to bottom, the first friction element is movably disposed inside the pillow, the second friction element is fixed inside the pillow, the first friction element or the second friction element is electrically connected to the ground, and the reset element can apply a first force to the first friction element in a direction away from the second friction element;
[0011] When the external force is greater than the first force, the external force causes the first friction element to approach the second friction element and rub against it; when the external force is less than the first force, the first force causes the first friction element to detach from the second friction element; and the first friction element and the second friction element can generate static electricity through friction.
[0012] The controller is connected to the EEG sensor and the first or second friction element electrically connected to the ground, respectively, and is used to receive and analyze the signals from the EEG sensor and the sleeping posture sensor.
[0013] Preferably, when the first friction element is connected to the ground, if the first friction element is a conductor, the first friction element is connected to the ground; if the first friction element is an insulating structure, the first friction element is connected to the ground through electrodes.
[0014] Preferably, the first friction element is connected to a driving component, which can drive the first friction element to move away from the second friction element.
[0015] Preferably, the first friction element is an elastic friction element, in which case the first friction element constitutes the reset element; or, the reset element is disposed on the side of the first friction element away from the second friction element, and the reset element is an elastic element.
[0016] Preferably, the medical pillow further includes an energy storage component disposed inside the pillow, and the first friction component or the second friction component connected to the ground is connected to the energy storage component, and the energy storage component is electrically connected to the controller and the electroencephalogram sensor respectively.
[0017] Preferably, the medical pillow further includes several filling areas located within the pillow for placing calming materials;
[0018] And / or, the side of the pillow facing the human body conforms to the curve of the human neck.
[0019] Preferably, the medical pillow further includes an alarm located outside the pillow, which is connected to the controller for signaling. The alarm is used to sound an alarm when the feedback signal from the EEG sensor and / or the sleep posture sensor exceeds a preset value, and the distance between the alarm and the user is within a safe range so as not to wake the sleeping user.
[0020] Preferably, the medical pillow further includes a communication module disposed within the pillow, and the controller communicates with a mobile communication terminal through the communication module.
[0021] Preferably, the medical pillow further includes several air bladders disposed inside the pillow, each air bladder being connected to an air inlet pipe and an air outlet pipe. The air inlet pipe is connected to the inflation pump, and the air outlet pipe is provided with an exhaust valve. Both the inflation pump and the exhaust valve are connected to the controller via signal connection.
[0022] Preferably, the medical pillow further includes a pillowcase fitted over the pillow, and a cushioning layer is provided between the pillowcase and the pillow.
[0023] The present invention achieves the following technical advantages over the prior art:
[0024] This utility model relates to a traditional Chinese medicine sleeping pillow, comprising a pillow with an electroencephalogram (EEG) sensor and a sleeping posture sensor inside. The sleeping posture sensor includes a first friction element, a second friction element, and a reset element. The first and second friction elements are spaced apart from top to bottom within the pillow. The first friction element is movably disposed within the pillow, while the second friction element is fixed within the pillow. Either the first or second friction element is electrically connected to the ground. A controller is signal-connected to the EEG sensor and the electrically connected first or second friction element. When the user changes their sleeping posture while lying on the pillow, the force exerted by the user on the first friction element (i.e., the external force) is greater than the initial force, causing the first friction element to... The first and second friction components rub against each other, generating different voltage signals. The controller analyzes these voltage signals to determine changes in the user's sleeping posture. Simultaneously, the controller can also analyze and process the brainwave signals monitored in real time by the brainwave sensor. In short, the medical pillow of this invention monitors and analyzes the user's sleeping posture and brainwave signals during sleep, thereby achieving more comprehensive monitoring of the user's sleep quality. Furthermore, because the first and second friction components can generate electricity through friction, the resulting charge can be used for the operation of the sleeping posture sensor itself, eliminating the need for an external power supply and reducing the cost of sleep quality monitoring. Attached Figure Description
[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0026] Figure 1 This is a structural diagram of a medical sleeping pillow;
[0027] Figure 2 This is a schematic diagram showing the connection between the bottom-layer sleeping posture sensor array and the middle-layer controller and other structures.
[0028] Figure 3 This is a schematic diagram showing the connection between the EEG sensing probe and the EEG detection module.
[0029] Figure 4 This is a schematic diagram of the controller structure;
[0030] Figure 5 This is a schematic diagram of the energy storage device.
[0031] Figure 6 This is a schematic diagram of the sleeping posture sensor.
[0032] The components include: 1. Pillow; 2. Sleep posture sensor array; 3. Controller; 4. Energy storage device; 5. EEG sensing probe; 6. EEG detection module; 7. Wire; 8. Communication module. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0034] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0035] like Figures 1-5As shown, this utility model discloses a medical sleeping pillow, which includes a pillow 1. The pillow 1 contains an electroencephalogram (EEG) sensor and a sleeping posture sensor. The sleeping posture sensor includes a first friction element, a second friction element, and a reset element. The first and second friction elements are spaced apart from top to bottom within the pillow 1. The first friction element is movably disposed within the pillow 1, and the second friction element is fixed within the pillow 1. The first or second friction element is electrically connected to the ground. A controller 3 is signal-connected to the EEG sensor and the first or second friction element electrically connected to the ground. When a user changes their sleeping posture while lying on the pillow 1, the force exerted by the user on the first friction element (i.e., the external force) is greater than the force exerted by the first friction element. The force causes the first and second friction components to rub against each other, generating different voltage signals. The controller 3 analyzes and judges the user's sleeping posture changes based on the voltage signals. At the same time, the controller 3 can also analyze and process the brainwave signals monitored in real time by the brainwave sensor. In short, the medical pillow in this invention monitors and analyzes the user's sleeping posture and brainwave signals during the user's sleep process, thereby achieving a more comprehensive monitoring of the user's sleep quality. In addition, since the first and second friction components can generate electricity through friction, the generated charge can be used for the operation of the sleeping posture sensor itself, which eliminates the need for an external power supply for the sleeping posture sensor and reduces the cost of sleep quality monitoring.
[0036] The sleeping posture sensor has various configuration options. When the grounded first or second friction element is non-conductive and made of insulating material, electrodes are required on the first or second friction element. These electrodes are electrically connected to the ground via wires to conduct the charge generated by the first or second friction element to the ground. When the first or second friction element is a conductive structure such as metal, the electrodes can be omitted, and the first or second friction element can be directly connected to the ground via wires. Specifically, the first and second friction elements can be two structures with different electron-acquiring capabilities to generate electricity through friction. For example, a conductive material combined with an insulating material: when the first or second friction element is an insulating friction layer, it can be made of fluorinated ethylene propylene (FEP), polytetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF), polydimethylsiloxane (PDMS), or polyethylene terephthalate (PET); when the first or second friction element is a metallic conductor, it can be made of copper, tin oxide (ITO), or zinc oxide, etc. Medical pillows can serve as an auxiliary tool for medical staff. Based on feedback on the user's sleep quality, medical pillows can be used to prescribe sleep medication or adjust the user's diet and sleep habits.
[0037] Using copper foil as the first friction element and a polydimethylsiloxane (PDMS) structural layer as the second friction element, the working principle of a single sleep posture sensor is explained when the copper foil is grounded via a wire: The sleep posture sensor operates through the coupling between triboelectric charging and electrostatic induction. After the copper foil is grounded via a wire, the sleep posture sensor operates as a single-electrode triboelectric nanogenerator (TENG) to monitor the user's head and sleeping posture movements. In the initial state, i.e., when the user is not lying on the pillow area 1 corresponding to the sleep posture sensor, the copper foil in the sleep posture sensor is not subject to external forces, and the copper foil and the PDMS structural layer are not in contact, resulting in no charge transfer. When the user adjusts their sleeping posture, causing the copper foil and the PDMS structural layer in the sleep posture sensor to become in contact, the sensor continues to operate. When the structural layer made of methylsiloxane comes into contact with the sensor, due to the different electron-acquiring abilities of the two materials, electrons are transferred from the copper foil to the polydimethylsiloxane structural layer, resulting in equal amounts of positive and negative charges on both. When they separate, a positive charge is induced on the copper foil to balance the negative charge on the polydimethylsiloxane structural layer, and electrons are transferred from the ground to the copper foil, generating a negative charge current signal. When the user adjusts their sleeping position, i.e., leaves the sleeping position sensor, the same amount of charge is induced on the copper foil as on the polydimethylsiloxane structural layer. When the user adjusts their sleeping position again, bringing the copper foil and the polydimethylsiloxane structural layer closer together, the electron transfer reverses, generating a positive current signal. Therefore, as the user continuously adjusts their sleeping position and repeatedly squeezes and releases the sleeping position sensor, the sensor operates cyclically according to the above working principle.
[0038] Furthermore, the reset element can be configured in various ways. If the first friction element is a structure with a certain degree of elasticity, such as modified copper foil, the reset element can be the first friction element itself. When the external force is less than the first force, the first friction element automatically recovers under the action of the first force, i.e., its own elastic force, and moves away from the second friction element. When the first friction element is connected to a drive component such as a linear motor, and the drive component can drive the first friction element to move away from the second friction element, the drive component constitutes the reset element. The drive component is signal-connected to the controller 3. When the controller 3 determines, based on the feedback electrical signal from the sleeping posture sensor, that the external force is insufficient to maintain the contact friction between the first and second friction elements, it activates the drive component to drive the first friction element to move away from the second friction element. Alternatively, the controller 3 can periodically control the drive component to drive the first friction element to move away from the second friction element. When the reset element is an elastic element located on the side of the first friction element away from the second friction element, the first friction element is fixedly connected to the reset element. When the external force is less than the first force, the elastic element applies the first force to the first friction element, driving the first friction element to move away from the second friction element.
[0039] like Figure 1As shown, the medical pillow also includes an energy storage component 4 located inside or outside the pillow 1. A first or second friction component connected to the ground is connected to the energy storage component 4 to store excess electrical energy generated by the sleeping posture sensor. The energy storage component 4 is also electrically connected to the controller 3 and the EEG sensor via a wire 7. This allows the electrical energy in the energy storage component 4 to power the operation of the controller 3 and the EEG sensor, thereby further reducing the cost of sleep quality monitoring. The energy storage component 4 can be a capacitor or battery, or other energy storage structure. A rectifier or rectifier circuit can also be connected between the grounded first or second friction component and the energy storage component 4 to improve the energy storage quality.
[0040] like Figure 1 As shown, pillow 1 contains several evenly distributed sleeping posture sensors to cover the area where the user lies on the pillow 1, allowing for more comprehensive monitoring of the user's sleeping posture and sleep quality. Furthermore, pillow 1 also includes several filling areas for calming materials, such as jasmine, lavender, or volcanic rock, which have calming and sleep-inducing properties. Simultaneously, the top of pillow 1, facing the user, conforms to the curve of the neck, providing effective support and enhancing sleep comfort.
[0041] In addition, the medical pillow also includes an alarm located outside the pillow 1. The alarm is connected to the controller 3. When the controller 3 determines that the feedback signal from the EEG sensor and / or the sleep posture sensor exceeds a preset range, it activates the alarm to alert the user's caregiver, such as a parent or medical staff, to assist in adjusting the user's sleeping position. Furthermore, the distance between the alarm and the user is within a safe range to avoid waking the sleeping user and causing insomnia. Alternatively, the pillow 1 may contain a communication module 8. The controller 3 communicates with a mobile communication terminal through the communication module 8. When the controller 3 determines that the feedback signal from the EEG sensor and / or the sleep posture sensor exceeds a preset range, it sends an alarm signal to the user's caregiver's mobile communication terminal to alert the caregiver, such as a parent or medical staff, to assist in adjusting the user's sleeping position. The mobile communication terminal can be a mobile phone or a laptop computer, and the connection between the communication module 8 and the mobile communication terminal can be via Bluetooth or wireless connection.
[0042] Furthermore, pillow 1 contains several air bladders, each connected to an air inlet pipe and an air outlet pipe. An air pump is connected to the air inlet pipe, and the air outlet pipe extends to the outside of pillow 1 and connects to the outside atmosphere. An air outlet valve is installed on the air outlet pipe to control its opening and closing. Both the air pump and the air outlet valve are connected to controller 3. When controller 3 determines that the user is frequently adjusting their sleeping position based on feedback from the sleeping posture sensor, controller 3 activates the air pump to inflate the air bladders and raise pillow 1, while observing the feedback from the sleeping posture sensor. If the user continues to frequently adjust their sleeping position, controller 3 activates the air outlet valve to lower the height of pillow 1, while continuing to observe the feedback from the sleeping posture sensor. Alternatively, the user can adjust the air bladders via controller 3 before sleeping to raise pillow 1 entirely or partially, adjusting it to a more comfortable position. A pillowcase is also fitted over pillow 1, with a cushioning layer such as memory foam or latex between the pillowcase and pillow 1. By laying flexible material between the pillowcase and pillow 1, the unevenness created by the sleeping posture sensor and EEG sensor inside pillow 1 is reduced. The brainwave sensor, sleeping posture sensor and other structures mentioned above are specifically set inside the pillow core of pillow 1 to further reduce the unevenness caused by the addition of the sleeping posture sensor and brainwave sensor inside pillow 1.
[0043] When the first friction element is copper foil and the second friction element is porous polydimethylsiloxane (PDMS), the fabrication method of the sleeping posture sensor is as follows: 1. Material preparation: Prepare materials such as polydimethylsiloxane (PDMS), barium titanate powder, copper foil, and silver nanowire film for sensor fabrication; 2. Fabrication of the sleeping posture sensor: First, mix polydimethylsiloxane (PDMS) and curing agent at a ratio of 10:1 until homogeneous. Then, add an appropriate amount of barium titanate powder and continue stirring to ensure uniform dispersion within the PDMS. Pour the mixed material into a specific mold based on the silver nanowire film and bake at 80°C for 20 minutes. After curing, porous polydimethylsiloxane (PDMS) doped with barium titanate is obtained. A copper foil is attached to the bottom of a flexible silicone cap, and the porous PDMS serves as the bottom layer of the device, completing the fabrication of the sleeping posture sensor. When the user's sleeping posture changes, the PDMS and copper foil come into contact, generating a voltage signal. The required number of sleeping posture sensors are arranged in a pre-designed array and installed inside the pillow 1.
[0044] For the EEG detection sensor, it is necessary to install and debug it according to its instruction manual to ensure that it can accurately detect EEG signals. Connect the controller 3, energy storage device 4, communication module 8, sleeping posture sensor and EEG sensing probe 5 into the circuit and encapsulate them in a suitable position inside the pillow 1.
[0045] like Figures 1-3As shown in the diagram, the structure represents one arrangement of a medical sleeping pillow. The pillow 1 has a three-layer structure. The bottom layer contains a 3*3 sleeping posture sensor array 2 consisting of nine evenly distributed sleeping posture sensors. The middle layer contains an EEG detection module 6, a controller 3 (also known as a signal processing module), an energy storage device 4, and a communication module 8. The top layer contains an EEG sensing probe 5. The EEG sensing probe 5 and the EEG detection module 6 constitute an EEG sensor (TGAM). The EEG sensing probe 5 is connected to the EEG detection module 6 and is used to transmit the detected EEG signals to the EEG detection module 6. The EEG detection module 6 transmits the EEG signals to the controller 3 for analysis and processing. The controller 3 can also analyze and process the voltage signals fed back by the sleeping posture sensors and convert the output into a format that can be understood by the operator.
[0046] like Figure 4 As shown, controller 3 can specifically be an STM32F103C8T6, which is a 32-bit microcontroller based on the ARM Cortex-M core STM32 series; the EEG sensor can specifically be a Taurus EEG sensor module; the communication module 8 can specifically be a Bluetooth serial port module with model number JDY-31, communication interface UART, and Bluetooth version Bluetooth 3.0 SPP; the controller 3, EEG sensor, and communication module 8 mentioned above are all existing technologies, and their specific structures will not be described in detail; Figure 5 As shown in the figure, this is a schematic diagram of the structure of the energy storage device 4, which is a capacitor.
[0047] like Figure 6 As shown in the figure, this is a schematic diagram of one possible structure of a sleeping posture sensor. In this case, the sleeping posture sensor includes an upper cover and a lower cover (gray structure in the figure) made of an elastic material such as rubber or silicone. Between the upper cover and the lower cover, copper foil, porous polydimethylsiloxane doped with barium carbonate (BaTiO2+PDMS), and indium tin oxide (ITO) are arranged sequentially from top to bottom. The indium tin oxide plays a catalytic role. The upper cover has a convex structure and the lower cover has a concave structure, so that the copper foil can move away from the porous polydimethylsiloxane doped with barium carbonate under the action of the upper cover when it is not squeezed by external forces.
[0048] The medical pillow 1 of this utility model has the following advantages:
[0049] High-sensitivity monitoring: The sleep posture sensor is a sensor that uses the principle of nano-triboelectric generation. It is extremely sensitive to changes in human posture and can accurately capture the weak signals generated when the user falls out of bed in different sleeping positions. Compared with traditional pressure sensors, it greatly improves the accuracy of monitoring.
[0050] Self-powered feature: The sleeping posture sensor generates voltage signals based on triboelectric power generation, eliminating the need for an external power source. This not only reduces costs but also avoids equipment failures caused by power supply issues, improving the stability and reliability of the device.
[0051] Multifunctional integration: This pillow integrates sleep posture monitoring and EEG monitoring functions into one device, achieving comprehensive and integrated sleep monitoring. Users no longer need to wear multiple devices, improving convenience and comfort.
[0052] Real-time alarm function: When the controller 3 detects abnormal brain waves, it can issue an alarm signal in a timely manner, providing effective protection for the health and safety of users, which is especially important for people who need special care (such as the elderly and patients).
[0053] Home applicability: The sleep posture sensor, EEG sensor and other structures are integrated into the pillow 1. The overall structure of the medical pillow is compact and easy to operate. It can be directly applied to the home environment, meeting people's needs for sleep health monitoring at home and helping to improve people's sleep quality and health management level.
[0054] This utility model discloses multiple technical solutions, but does not provide any contrary technical teachings.
[0055] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.
Claims
1. A medical sleeping pillow, characterized in that, The medical sleeping pillow includes a pillow, and the pillow contains: A brainwave sensor, wherein the brainwave sensor is used to monitor the user's brainwave signals; A plurality of sleeping posture sensors, each sleeping posture sensor including a first friction element, a second friction element and a reset element, wherein the first friction element and the second friction element are spaced apart from top to bottom, the first friction element is movably disposed inside the pillow, the second friction element is fixed inside the pillow, the first friction element or the second friction element is electrically connected to the ground, and the reset element can apply a first force to the first friction element in a direction away from the second friction element; When the external force is greater than the first force, the external force causes the first friction element to approach the second friction element and come into contact with and rub against the second friction element. When the external force is less than the first force, the first force causes the first friction element to detach from the second friction element; and the first friction element and the second friction element can generate static electricity through friction. The controller is connected to the EEG sensor and the first or second friction element electrically connected to the ground, respectively, and is used to receive and analyze the signals from the EEG sensor and the sleeping posture sensor.
2. The medical sleeping pillow according to claim 1, characterized in that, When the first friction element is connected to the ground, if the first friction element is a conductor, the first friction element is connected to the ground; if the first friction element is an insulating structure, the first friction element is connected to the ground through electrodes.
3. The medical sleeping pillow according to claim 1, characterized in that, The first friction element is connected to a drive assembly, which can drive the first friction element to move away from the second friction element.
4. The medical sleeping pillow according to claim 1, characterized in that, The first friction element is an elastic friction element, in which case the first friction element constitutes the reset element; or, the reset element is located on the side of the first friction element away from the second friction element, and the reset element is an elastic element.
5. The medical sleeping pillow according to claim 1, characterized in that, The medical pillow also includes an energy storage component inside the pillow, and the first friction component or the second friction component connected to the ground is connected to the energy storage component. The energy storage component is electrically connected to the controller and the electroencephalogram sensor, respectively.
6. The medical sleeping pillow according to claim 1, characterized in that, The medical pillow also includes several filling areas located inside the pillow for placing calming materials; And / or, the side of the pillow facing the human body conforms to the curve of the human neck.
7. The medical sleeping pillow according to claim 1, characterized in that, The medical pillow also includes an alarm located outside the pillow, which is connected to the controller via a signal. The alarm is used to sound an alarm when the feedback signal from the EEG sensor and / or the sleep posture sensor exceeds a preset value, and the distance between the alarm and the user is within a safe range so as not to wake the sleeping user.
8. The medical sleeping pillow according to claim 1, characterized in that, The medical pillow also includes a communication module disposed inside the pillow, and the controller communicates with a mobile communication terminal through the communication module.
9. The medical sleeping pillow according to claim 1, characterized in that, The medical pillow also includes several air bladders inside the pillow. Each air bladder is connected to an air inlet pipe and an air outlet pipe. The air inlet pipe is connected to an air pump, and the air outlet pipe is equipped with an air outlet valve. Both the air pump and the air outlet valve are connected to the controller via signal.
10. The medical sleeping pillow according to claim 1, characterized in that, The medical pillow also includes a pillowcase that is fitted over the pillow, and a cushioning layer is provided between the pillowcase and the pillow.