Pressure sore prevention wheelchair with medicine taking reminding function

Abstract

The invention discloses a pressure sore prevention wheelchair with a medicine taking reminding function, and belongs to the technical field of wheelchair auxiliary equipment.The pressure sore prevention wheelchair comprises a wheelchair body, a peripheral air bag, a middle air bag, a matched air pump, an electromagnetic valve and an air bag control module are arranged in a cushion area of the wheelchair body, and the middle air bag can be independently inflated and deflated; the right armrest is provided with a medicine box with a storage cabin, a magnetic clamping block, an electromagnet, a clock timing module, an indicator light, a buzzer and a micro vibration motor; and the left armrest is provided with a motor for controlling the rear wheel to drive. Precise pressure reduction and bedsore prevention are achieved, missed taking and wrong taking are avoided through multiple reminding and convenient medicine taking, moving, protection and medicine taking management are considered, and the use safety and convenience of a user are improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of wheelchair auxiliary equipment, and particularly relates to a pressure sore prevention wheelchair with medicine taking reminding function. BACKGROUND

[0002] Spinal cord injury patients who use wheelchairs for a long time, the elderly who are weak and have difficulty moving, and other chronic disease patients are prone to bedsores (pressure sores) due to long-term pressure on local tissues. More than 60% of people are troubled by bedsores, which not only causes unbearable pain, but also has complex treatment and high cost. At the same time, when going out, there is a conflict between going out time and taking medicine time, which leads to frequent missed and mistaken medication, seriously affecting the control of the disease. However, the existing wheelchair accessories have single functions and cannot meet the dual needs of pressure sore prevention and precise medication management, and are difficult to adapt to the actual use scene of users. SUMMARY

[0003] To solve some of the problems in the above content, the present application provides a pressure sore prevention wheelchair with medicine taking reminding function. The wheelchair body serves as the installation and bearing basis of various functional modules, and the cushion area of the wheelchair body is integrated with multiple pressure sore prevention air cushions. Each air cushion can be independently inflated / deflated and freely controlled as needed to achieve precise pressure reduction. A pull-out medicine box is arranged at the armrest of the wheelchair body, and a timing reminding module is integrated in the armrest to assist in taking medicine while reminding taking medicine at regular intervals.

[0004] To achieve the above technical effects, the present application is realized by the following scheme: The cushion area of the wheelchair body is configured with a peripheral air bag and a plurality of middle air bags. The middle air bags are divided into front and rear parts. The rear part corresponds to the ischial bone, sacrum and other easily pressed areas of the human body, and the front part corresponds to the thigh and hip area. The peripheral air bag surrounds the middle air bags and is closely arranged to form a comprehensive support structure. The bottom of each middle air bag is fixed to the cushion area of the wheelchair body and is connected with a first electromagnetic valve. The independent control of each air bag is realized. A gas pump is installed inside the seat frame of the wheelchair body. The gas pump outlet is connected with a main pipeline, and the main pipeline outlet is connected with a second electromagnetic valve. The outlet end of the second electromagnetic valve is connected with all the first electromagnetic valves through a plurality of branch pipelines. The independent inflation and deflation of each air bag are realized through the cooperative control of the gas pump and the electromagnetic valve. An air bag control module is installed on the left armrest of the wheelchair body. The module can control the start and stop of the gas pump and each electromagnetic valve. The precise pressure reduction is realized by deflating the air bag corresponding to the area with larger pressure. A base is fixed to the lower right armrest of the wheelchair body. A medicine box is hinged to the outer edge of the base. The medicine box is a rectangular shell with an open top, containing multiple storage compartments arranged side by side. These compartments are also rectangular shells with side openings and can slide up and down. Medication can be retrieved or stored by pulling out the compartments. A slot is vertically formed on the outer edge of the top of the medicine box. A magnetic block is vertically inserted into the lower surface of the armrest corresponding to the slot. The magnetic block can slide vertically inside the armrest. An electromagnet is installed inside the armrest corresponding to the top of the magnetic block. When the electromagnet is energized, it can attract the medication. The medicine box is unlocked and released by the magnetic card block being pulled out of the card slot. A clock timing module is installed on the right armrest, with an indicator light installed in front of the clock timing module. The armrest has a built-in buzzer and a miniature vibration motor. The electromagnet, indicator light, buzzer, and miniature vibration motor are connected in series and are all controlled by the clock timing module. The clock timing module can be preset to take the medicine. When the preset time is reached, it triggers the electromagnet, indicator light, buzzer, and miniature vibration motor to start, emitting multiple prompts while simultaneously pulling the magnetic card block out of the card slot and releasing the medicine box.

[0005] Furthermore, a limiting plate is provided on the armrest seat outside the medicine box hinge to limit the angle of the medicine box tilting outward, so as to prevent the medicine box from overturning and causing the medicine to spill or the structure to be damaged. A spring is installed on the armrest corresponding to the side of the medicine box. When the medicine box is stored, the spring is in a compressed state. When the magnetic card block is disengaged from the card slot, the spring can pop the medicine box outward, which not only enhances the reminder effect but also reduces the steps for users to take medicine. The first solenoid valve is a two-position three-way solenoid valve. Its first port is connected to the central airbag, the second port is connected to the second solenoid valve through a branch pipe, and the third port extends to the outside of the wheelchair body through a branch pipe.

[0006] The storage compartment is horizontally divided by partitions, which allows for the classified storage of different types of drugs at different times, thereby improving the standardization of drug management.

[0007] Furthermore, the magnetic card block remains extended from the armrest under its own weight, ensuring that the magnetic card block is stably engaged with the medicine box slot during non-medication reminder periods, thus preventing the medicine box from accidentally loosening.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The outer and central airbags of the wheelchair's main seat area work together with the first and second solenoid valves, the air pump, and the airbag control module. The airbag control module controls the start and stop of the air pump and each solenoid valve. With the connection of the main pipeline and branch pipelines, each central airbag can be independently inflated and deflated. Users can adjust the pressure of the corresponding area airbag according to their own pressure conditions to achieve precise decompression.

[0009] 2. The medicine box, storage compartment, magnetic card block, electromagnet, clock timing module, indicator light, buzzer, miniature vibration motor, and spring on the right armrest of the wheelchair are linked together. After the clock timing module is preset with the medication time, it will simultaneously control the electromagnet, indicator light, buzzer, and miniature vibration motor to be powered on when the designated time is reached. The electromagnet attracts the magnetic card block to disengage from the medicine box slot, and the compressed spring pops the medicine box outward. At the same time, the three prompts of light, sound, and vibration not only provide timely reminders for medication but also simplify the medication retrieval process.

[0010] 3. Different medications can be stored separately by partitions in the storage compartment, which facilitates medication management; the limiting plate can limit the angle at which the medicine box tilts outward, preventing medication from spilling or structural damage, further improving the product's ease of use and safety. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments are briefly introduced below.

[0012] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present invention; Figure 2 This is a schematic diagram of the lower structure of Embodiment 1 of the present invention; Figure 3 This is a schematic diagram of the structure of multiple airbags in Embodiment 1 of the present invention; Figure 4 This is a schematic diagram of the installation of the central airbag and the first solenoid valve in Embodiment 1 of the present invention; Figure 5 This is a cross-sectional view of the medicine box portion of Embodiment 1 of the present invention; Figure 6 yes Figure 5 Enlarged diagram of part A in the middle.

[0013] The structural names represented by each number in the attached diagram are as follows: 1-Wheelchair body, 101-Armrest seat, 102-Limiting plate, 103-Spring, 2-Peripheral airbag, 3-Central airbag, 4-First solenoid valve, 401-Interface 1, 402-Interface 2, 403-Interface 3, 5-Air pump, 501-Main pipeline, 502-Branch pipeline, 6-Second solenoid valve, 7-Airbag control module, 8-Medicine box, 801-Card slot, 9-Storage compartment, 901-Block, 10-Magnetic card block, 11-Electromagnet, 12-Clock timing module, 13-Indicator light. Detailed Implementation

[0014] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Example 1

[0015] See Figures 1 to 6 As shown, this embodiment provides a specific implementation of an anti-pressure ulcer wheelchair with medication reminders. The overall structure includes a wheelchair body 1, an anti-pressure ulcer structure, a convenient medicine box 8, and an automatic reminder integrated module.

[0016] The wheelchair body 1 adopts an integrated design of seat frame and armrests. Two small DC motors are symmetrically fixed on the inner side of the lower part of the seat frame, which drive the left and right rear wheels respectively. The motors are powered by external rechargeable lithium batteries.

[0017] The wheelchair body 1 serves as the core supporting all functional modules. Its seat area is secured with peripheral airbags 2 and several central airbags 3 via bolts. The peripheral airbags 2 are arranged around the edge of the seat cushion. The central airbags 3 are divided into front and rear sections. The rear section consists of multiple layers of symmetrically distributed arc-shaped airbags, precisely corresponding to pressure-prone areas such as the ischium and sacrum. The front section is evenly spaced, covering the thighs and lower buttocks. All airbags fit tightly together without gaps. Both peripheral airbags 2 and central airbags 3 are made of medical-grade PVC material.

[0018] Each central airbag 3 has its bottom connected to a first solenoid valve 4 via a conduit. The first solenoid valve 4 is a two-position three-way solenoid valve with three ports. The first port 401 of the first solenoid valve 4 is connected to the airbag, the second port 402 is connected to the second solenoid valve 6 via a branch pipe 502, and the third port 403 extends to the outside of the wheelchair body 1. The branch pipe 502 is arranged along the inner side of the seat frame crossbeam to avoid interfering with moving parts. An air pump 5 is installed under the seat frame of the wheelchair body 1 near the motor. The air outlet of the air pump 5 is connected to the main pipe 501, which is connected to the second solenoid valve 6 to form a complete inflation and deflation path. An airbag control module 7 is embedded in the front end of the left armrest of the wheelchair body 1. It is electrically connected to the air pump 5 and each solenoid valve via wires. The module surface has buttons corresponding to different airbag areas. Pressing the buttons controls the start and stop of the air pump 5 and the on / off state of the target solenoid valve.

[0019] The armrest seat 101 is fixed to the lower right armrest of the wheelchair body 1 by screws. The outer edge of the armrest seat 101 is hinged to the medicine box 8. The medicine box 8 is stored in close contact with the side of the armrest. A limiting plate 102 is provided on the armrest seat 101 outside the hinge to limit the outward tilt angle of the medicine box 8 to no more than the tilt angle of the limiting plate. A spring 103 is embedded in the armrest corresponding to the side of the medicine box 8. When the medicine box 8 is stored, the spring 103 is compressed and close to the side wall of the medicine box 8.

[0020] The medicine box 8 is a rectangular shell with an open top. Multiple storage compartments 9 are installed side by side inside. The storage compartments 9 are horizontally separated by partitions 901, which can classify and store medicines at different times. The storage compartments 9 can slide up and down along the inner wall of the medicine box 8.

[0021] A slot 801 is vertically formed on the outer edge of the top of the medicine box 8. A mounting slot is reserved on the lower surface of the right armrest corresponding to the slot 801. A magnetic block 10 is built in the slot. The magnetic block 10 is kept in the extended state of the armrest under its own weight and is stably engaged with the slot 801. An electromagnet 11 is installed inside the armrest corresponding to the top of the magnetic block 10. A clock timing module 12 is embedded in the surface of the right armrest. An indicator light 13 is installed on the front of the module. A buzzer and a miniature vibration motor are built into the armrest. The electromagnet 11, the indicator light 13, the buzzer, and the miniature vibration motor are connected in series with wires and electrically connected to the clock timing module 12. The clock timing module 12 is equipped with an operation button and can preset the medication time. The internal circuit triggers the power supply of each component according to the preset time.

[0022] Usage Procedure: First, the user presets the medication time using the clock timing module 12 button on the right armrest, then categorizes the medications for different time periods and places them into the partition 901 area of ​​the storage compartment 9. After closing the storage compartment 9, the magnetic card block 10 locks into the card slot 801 under gravity to secure the medicine box 8. After sitting down, the user operates the airbag control module 7 on the left armrest according to their own pressure sensation, pressing the corresponding button to control the start of the air pump 5 and the opening and closing of the first solenoid valve 4 in the target area. Inflation or deflation is achieved through the main pipe 501 and branch pipes 502 to the corresponding central airbag 3. The rear part of the arc-shaped central airbag 3 fits against the back of the buttocks, while the equidistantly distributed front part evenly supports the thighs, achieving precise pressure relief. During use, the inflation and deflation of airbags in different areas can be adjusted in real time as needed. When the preset medication time is reached, the clock timing module 12 triggers the circuit, the indicator light 13 lights up, the buzzer sounds, the micro vibration motor vibrates, and at the same time the electromagnet 11 is energized to attract the magnetic card block 10 out of the slot 801. The compressed spring 103 pops the medicine box 8 outward, and the limiting plate 102 limits its tilt angle. The user can directly pull out the storage compartment 9 to take out the medicine. After taking the medicine, the user can reset the storage compartment 9, and the magnetic card block 10 will re-lock into the slot 801 under the action of gravity to fix the medicine box 8.

[0023] For those skilled in the art, various modifications and variations can be made to the above embodiments without departing from the principles of the present invention, and all such modifications and variations should fall within the protection scope of the present invention.

Claims

1. A pressure ulcer prevention wheelchair with medication reminder, comprising a wheelchair body (1), characterized in that: The seat area of ​​the wheelchair body (1) is equipped with an outer peripheral airbag (2) and several middle airbags (3). The middle airbags (3) are divided into front and rear parts. The outer peripheral airbags (2) surround the middle airbags (3) and are arranged closely. The bottom of each middle airbag (3) is fixed to the seat area of ​​the wheelchair body (1), and the bottom of each middle airbag (3) is connected to a first solenoid valve (4). An air pump (5) is installed inside the seat frame of the wheelchair body (1). The air outlet of the air pump (5) is connected to the main pipeline (501). The outlet of the main pipeline (501) is connected to the second solenoid valve (6). The outlet of the second solenoid valve (6) is connected to all the first solenoid valves (4) one by one through several branch pipelines (502). An airbag control module (7) is installed on the left armrest of the wheelchair body (1). The airbag control module (7) can control the start and stop of the air pump (5) and each solenoid valve respectively. A handrail seat (101) is fixed below the right armrest of the wheelchair body (1). A medicine box (8) is hinged to the outer edge of the handrail seat (101). The medicine box (8) is a rectangular shell with an open top. Multiple storage compartments (9) are installed side by side inside. The storage compartments (9) are rectangular shells with open sides and can slide up and down. A slot (801) is vertically opened on the outer edge of the top of the medicine box (8). A magnetic card block (1) is vertically inserted into the lower surface of the armrest corresponding to the slot (801). 0), the magnetic card block (10) can slide vertically inside the handrail. An electromagnet (11) is installed in the handrail corresponding to the top of the magnetic card block (10). A clock timing module (12) is installed on the right handrail. An indicator light (13) is installed in front of the clock timing module (12). A buzzer and a micro vibration motor are built into the handrail. The electromagnet (11), indicator light (13), buzzer and micro vibration motor are connected in series and are all controlled by the clock timing module (12) to open and close.

2. The pressure ulcer prevention wheelchair with medication reminder as described in claim 1, characterized in that: The rear part of the central airbag (3) is a multi-layered, symmetrically distributed arc-shaped airbag.

3. The pressure ulcer prevention wheelchair with medication reminder as described in claim 1, characterized in that: A limiting plate (102) is provided on the armrest seat (101) outside the hinge of the medicine box (8).

4. The pressure ulcer prevention wheelchair with medication reminder as described in claim 1, characterized in that: A spring (103) is installed on the side of the armrest corresponding to the medicine box (8). When the medicine box (8) is stored, the spring (103) is in a compressed state.

5. The pressure ulcer prevention wheelchair with medication reminder as described in claim 1, characterized in that: The first solenoid valve (4) is a two-position three-way solenoid valve. Its first port (401) is connected to the central airbag (3), the second port (402) is connected to the second solenoid valve (6) through the branch pipe (502), and the third port (403) extends to the outside of the wheelchair body (1).

6. The pressure ulcer prevention wheelchair with medication reminder as described in claim 1, characterized in that: The storage compartment (9) is laterally separated by a partition (901).

7. The pressure ulcer prevention wheelchair with medication reminder as described in claim 1, characterized in that: The magnetic card block (10) remains extended from the handrail under its own gravity.

8. The pressure ulcer prevention wheelchair with medication reminder as described in claim 1, characterized in that: The front portion of the central airbag (3) is arranged in an equidistant row.

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