Pressure sore prevention nursing device for critical patient
By designing a convenient airbag replacement mechanism and protective structure, the problem of complex airbag replacement in existing pressure ulcer prevention devices has been solved, enabling rapid replacement and stable fixation, improving the quality of care and patient comfort, and reducing the risk of pressure ulcers.
Patent Information
- Application Number
- CN202520273867.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing pressure ulcer prevention devices require complex procedures for airbag replacement, which affects the quality of care and makes timely replacement difficult in emergencies, resulting in poor patient care outcomes.
A pressure ulcer prevention care device for critically ill patients was designed, comprising a mobile base, bed board, guide rail, airbag, and protective mechanism. The airbag can be easily replaced through a pressing plate and locking bar structure, and is stably fixed by magnetic connection and Velcro. The device is also waterproof, heated, and has an anti-slip layer to improve portability and comfort.
It enables rapid and stable replacement of airbags, improves the portability and maintenance efficiency of nursing devices, enhances patient comfort and safety, and reduces the risk of pressure ulcers.
Smart Images
Figure CN223944584U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nursing technical field especially, relate to a kind of nursing device for preventing pressure sore of critical patient. BACKGROUND
[0002] Pressure sore refers to the soft tissue injury, such as ulceration and necrosis, caused by local tissue long-time compression, leading to blood circulation disorder, causing local tissue sustained ischemia, hypoxia and malnutrition. It is common in long-term bedridden, life cannot self-care or long-term wheelchair-bound cannot stand and walk, and the performance can be local skin redness, and severe can form deep muscle or bone deep hole.
[0003] Preventive pressure sore nursing device is a device for preventing and treating pressure sore, mainly used for long-term bedridden or patients with difficulty in movement. The working principles and functions of these devices are different, but they usually have the following features: pressure relief: disperse pressure through special mattress, cushion or mattress cover to reduce pressure concentration on certain parts of the body. These products usually use memory foam, air cushion or gel materials, which can automatically adjust according to the weight and position of the patient, providing uniform support.
[0004] In the prior art, once the air bag of part of the pressure sore prevention nursing device is installed, it lacks a convenient replacement mechanism. Due to long-term use, the air bag may age, be damaged, etc., affecting its pressure sore prevention effect. However, the structural design of the traditional device makes it necessary to perform complex operation steps when replacing the air bag, such as the need to use professional tools to disassemble multiple components, or even the need to damage part of the device structure to replace the air bag. This not only increases the workload of medical staff, but also makes it difficult to replace the air bag in time in emergency situations, affecting the quality of patient care. Therefore, a pressure sore prevention nursing device for critical patients is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a pressure sore prevention nursing device for critical patients, aiming to improve the problem that complex operation steps are often needed when replacing the air bag in the prior art, affecting the quality of patient care.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A pressure sore prevention nursing device for critical patients, comprising a mobile base, the top end of the mobile base is fixedly connected with a bed plate, the top end of the bed plate is fixedly connected with a plurality of guide rails, the inside of the guide rail is slidably connected with a replacement mechanism, the top side of the bed plate is slidably connected with a plurality of air bags, the top of the air bag is provided with a protection mechanism;
[0008] The replacement mechanism comprises a pressing plate, a plurality of circular grooves are formed in the top of the guide rail, the outer wall of the pressing plate is slidably connected to the inner wall of the circular grooves, a sliding rod is fixedly connected to the bottom end of the pressing plate, a cylindrical block is fixedly connected to the bottom of the sliding rod, a plurality of chambers one are formed in the inside of the guide rail, a spring one is fixedly connected to the left side inner wall of the chamber one, a clamping rod is fixedly connected to the right side of the spring one, and a connecting block is fixedly connected to the inside left side of the air bag;
[0009] As a further description of the above technical solution:
[0010] The protection mechanism comprises a plurality of sub-magic tapes, the bottom ends of two sub-magic tapes are fixedly connected to the top end of the air bag, a female magic tape is detachably connected to the top of the sub-magic tape, the top ends of two female magic tapes are fixedly connected to a contact layer, a waterproof layer is arranged in the inside of the contact layer, a heating layer is fixedly connected to the bottom side of the waterproof layer, and an anti-skid layer is fixedly connected to the bottom side of the heating layer.
[0011] As a further description of the above technical solution:
[0012] A plurality of chambers two are formed in the inside of the guide rail, a square plate is slidably connected to the inner wall of the chamber two, and a spring two is sleeved on the outside of the sliding rod.
[0013] As a further description of the above technical solution:
[0014] The middle part of the square plate is fixedly connected to the outer wall of the sliding rod, the top side of the spring two is fixedly connected to the bottom side of the square plate, and the bottom side of the spring two is fixedly connected to the bottom inner wall of the chamber two.
[0015] As a further description of the above technical solution:
[0016] The outside of a plurality of sliding rods is slidably connected to the inside of the guide rail, an inclined sliding groove is formed in the top of the clamping rod, and the outer wall of the cylindrical block is slidably connected to the inner wall of the inclined sliding groove.
[0017] As a further description of the above technical solution:
[0018] A clamping groove is formed in the inside of the connecting block, and the right side of the clamping rod is clamped with the inner wall of the clamping groove.
[0019] As a further description of the above technical solution:
[0020] The left and right sides of the air bag are slidably connected to the proximal sides of two guide rails, a magnetic conducting ring is fixedly connected to the bottom end of the air bag, a plurality of permanent magnetic rings are fixedly connected to the top of the bed plate, and the top side of the permanent magnetic ring is in contact with the bottom side of the magnetic conducting ring.
[0021] As a further description of the above technical solutions:
[0022] The bottom side of the contact layer is in contact with the top side of the air bag, the waterproof layer is made of PTFE waterproof film, the heating layer is made of carbon fiber heating wire, and the anti-skid layer is made of silica gel anti-skid texture.
[0023] The utility model has the advantages of the following beneficial effects:
[0024] 1、In the utility model, when the pressing plate is pressed down, the clamping rod and the connecting block are disengaged, so that the air bag can be slid out of the guide rail for replacement. After the new air bag is installed, the spring one resets the clamping rod and the connecting block to ensure the stability of the air bag. At the same time, the magnetic connection of the magnetic conductive ring at the bottom of the air bag and the permanent magnet ring on the bed plate ensures the communication between the air bag and the air pump for inflation and deflation operation, so that the replacement of the air bag is convenient and fast, and the air bag can be stably positioned in the guide rail during normal use, which helps the device to provide pressure sore prevention nursing for patients stably for a long time.
[0025] 2、In the utility model, the male and female magic tapes in the protection mechanism realize the convenient and detachable connection of the contact layer and the air bag, support hand-free operation while ensuring the stability, greatly improve the portability and maintenance efficiency of the device. The waterproof layer in the contact layer is made of PTFE microporous film, which blocks liquid penetration through one-way moisture guiding function, protects the air bag and keeps the patient's skin dry. The carbon fiber heating wire of the heating layer can promote local blood circulation, and the silica gel anti-skid texture of the anti-skid layer increases the friction force to prevent the patient from sliding. These structures work together, not only improve the comfort of the patient, but also help to prevent pressure sores. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 A perspective view of a pressure sore prevention nursing device for critical patients is provided for the utility model;
[0027] Figure 2 A structural schematic view of a bed plate of a pressure sore prevention nursing device for critical patients is provided for the utility model;
[0028] Figure 3 For Figure 2 An enlarged view of position A in the middle;
[0029] Figure 4 A structural schematic view of a contact layer of a pressure sore prevention nursing device for critical patients is provided for the utility model.
[0030] LEGEND:
[0031] 1, mobile base; 2, bed plate; 3, guide rail; 4, pressing plate; 5, sliding rod; 6, cylindrical block; 7, chamber one; 8, spring one; 9, clamping rod; 10, air bag; 11, connecting block; 12, chamber two; 13, square plate; 14, spring two; 15, magnetic ring; 16, permanent magnet ring; 17, sub magic tape; 18, female magic tape; 19, contact layer; 20, waterproof layer; 21, heating layer; 22, anti-skid layer. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0033] Referring to Figure 1 , Figure 2 and Figure 3 , one embodiment provided by the utility model: a kind of nursing device for pressure sore prevention of critical patient, mobile base 1 is fixedly connected with bed plate 2 at top end of mobile base 1, mobile base 1 is the basic support part of entire nursing device, provides stable support for bed plate 2, the top of bed plate 2 is fixedly connected with multiple guide rails 3, replacement mechanism is slidably connected in the guide rail 3, the top side of bed plate 2 is slidably connected with multiple air bags 10, the left and right sides of air bag 10 are slidably connected on the similar side of two guide rails 3, and protection mechanism is arranged on the top of air bag 10;Bed plate 2 is above mobile base 1, and is the main load-bearing part of device, which provides mounting position for guide rail 3, air bag 10 and other components, multiple guide rails 3 are fixed on the top of bed plate 2, which facilitates the installation and replacement operation of air bag 10. The bottom of air bag 10 is fixedly connected with magnetic ring 15, and the top of bed plate 2 is fixedly connected with multiple permanent magnet rings 16, the top side of permanent magnet ring 16 is in contact with the bottom side of magnetic ring 15, and permanent magnet ring 16 cooperates with magnetic ring 15 at the bottom of air bag 10, so that air bag 10 can be accurately installed and communicated with air pump.
[0034] The replacement mechanism comprises a pressing plate 4, the top of the guide rail 3 is provided with a plurality of circular grooves, the outer wall of the pressing plate 4 is slidingly connected to the inner wall of the circular groove, the pressing plate 4 triggers the replacement operation of the air bag 10, the circular groove enables the pressing plate 4 to move downward accurately, the bottom end of the pressing plate 4 is fixedly connected with a sliding rod 5, the outer part of the plurality of sliding rods 5 is slidingly connected to the inner part of the guide rail 3, the bottom part of the sliding rod 5 is fixedly connected with a cylindrical block 6, the sliding rod 5 is connected with the pressing plate 4 and the cylindrical block 6, and it slides in the guide rail 3, and the vertical downward movement of the pressing plate 4 is transmitted to the cylindrical block 6. A plurality of chambers one 7 are arranged in the inner part of the guide rail 3, the left inner wall of the chamber one 7 is fixedly connected with a spring one 8, the right side of the spring one 8 is fixedly connected with a clamping rod 9, the top of the clamping rod 9 is provided with an inclined sliding groove, the outer wall of the cylindrical block 6 is slidingly connected to the inner wall of the inclined sliding groove, the inner left side of the air bag 10 is fixedly connected with a connecting block 11, the inner part of the connecting block 11 is provided with a clamping groove, the right side of the clamping rod 9 is clamped with the inner wall of the clamping groove, when the cylindrical block 6 no longer presses the clamping rod 9, the elastic effect of the spring one 8 can reset the clamping rod 9 to be clamped with the connecting block 11 again, thereby ensuring the fixation of the air bag 10 after replacement. The right side of the clamping rod 9 is clamped with the inner clamping groove of the connecting block 11, and is used for fixing the air bag 10. When the clamping rod 9 is pressed to move left by the cylindrical block 6, the clamping with the clamping groove is released, so that the air bag 10 can slide out of the guide rail 3; after the new air bag 10 is installed, the clamping rod 9 can be clamped with the connecting block 11 again under the action of the spring one 8 to fix the air bag 10. The connecting block 11 is fixed to the inner left side of the air bag 10, and the inner clamping groove cooperates with the clamping rod 9. The clamping structure ensures that the air bag 10 can be stably located in the guide rail 3 during normal use, and is an important structural component for ensuring that the air bag 10 is fixed in position on the bed plate 2. A plurality of chambers two 12 are arranged in the inner part of the guide rail 3, the inner wall of the chamber two 12 is slidingly connected with a square plate 13, the middle part of the square plate 13 is fixedly connected to the outer wall of the sliding rod 5, the outer part of the sliding rod 5 is sleeved with a spring two 14, the top side of the spring two 14 is fixedly connected to the bottom side of the square plate 13, and the bottom side of the spring two 14 is fixedly connected to the bottom inner wall of the chamber two 12. The spring two 14 provides a restoring force after the pressing plate 4 is operated, so that the pressing plate 4, the sliding rod 5 and other components are reset, and the repeatability of the replacement mechanism is ensured.
[0035] Referring to Figure 1 , Figure 2 and Figure 4The protection mechanism includes a plurality of sub-magic tapes 17, the bottom ends of two sub-magic tapes 17 are fixedly connected to the top end of the air bag 10, the top of the sub-magic tape 17 is detachably connected with a female magic tape 18, the top ends of two female magic tapes 18 are fixedly connected with a contact layer 19, the bottom side of the contact layer 19 is in contact with the top side of the air bag 10, and the contact layer 19 is a part directly in contact with the patient. The sub-magic tape 17 is located at the top end of the air bag 10, and the female magic tape 18 is connected with the contact layer 19. The two cooperate to realize detachable connection of the contact layer 19 and the air bag 10. This connection mode facilitates quick replacement of the contact layer 19, supports hand-free operation while ensuring stable use, improves the portability and maintenance efficiency of the device. The inside of the contact layer 19 is provided with a waterproof layer 20, the material of the waterproof layer 20 is a PTFE waterproof film, the one-way moisture guiding function of the waterproof layer 20 effectively blocks liquid penetration, prevents liquid from entering the air bag 10, protects the internal structure of the air bag 10, keeps the skin of the patient dry at the same time, and reduces the risk of pressure sores. The bottom side of the waterproof layer 20 is fixedly connected with a heating layer 21, the material of the heating layer 21 is carbon fiber heating wire, which can generate heat and promote local blood circulation of the patient, has a positive effect on preventing pressure sores for severe patients, and improves the comfort of the patient at the same time. The bottom side of the heating layer 21 is fixedly connected with an anti-skid layer 22, the material of the anti-skid layer 22 is a silica gel anti-skid pattern, which increases the friction between the contact layer 19 and the body of the patient, prevents the patient from sliding on the air bag 10, and further enhances the comfort and safety of the patient.
[0036] Working principle: when the air bag 10 needs to be replaced after long-term use, the pressing plate 4 is pressed to move downward to drive the sliding rod 5 and the cylindrical block 6 to move downward, realizing the downward movement of the cylindrical block 6 and sliding in the inclined sliding groove on the clamping rod 9, so that the cylindrical block 6 extrudes the clamping rod 9 to move to the left side, the clamping rod 9 moves to the left side to release the clamping with the connecting block 11, so as to release the limiting of the air bag 10, so that it can slide out of the guide rail 3, and a new air bag 10 is slid into the guide rail 3, and the clamping groove on the connecting block 11 is clamped and fixed with the clamping rod 9 through the elastic action of the spring 8, and the magnetic ring 15 at the bottom of the air bag 10 is magnetically connected with the permanent magnetic ring 16 on the bed plate 2, so that the air pump arranged in the bed plate 2 can inflate and deflate the air bag 10;
[0037] The contact layer 19 on the air bag 10 can be replaced conveniently through the cooperation of the male magic tape 17 and the female magic tape 18, and the waterproof layer 20 is used in cooperation with the heating layer 21, and the antiskid layer 22 is used again, and the comfort of the patient is increased. Through the cooperation of the male magic tape 17 and the female magic tape 18, the contact layer 19 on the air bag 10 is replaced quickly, the stability in use is ensured, the hand operation is supported, the portability and the maintenance efficiency of the device are improved significantly. The waterproof layer 20 adopts the PTFE microporous membrane and has the one-way wetting function, liquid penetration is effectively blocked, the carbon fiber heating wire of the heating layer 21 is used in cooperation, local blood circulation is promoted, the material of the antiskid layer 22 is the silica gel antiskid texture, and the comfort and the safety of the patient are further enhanced.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have been described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A pressure sore prevention nursing device for critical patients, comprising a mobile base (1), characterized in that: The top end of the mobile base (1) is fixedly connected with a bed plate (2), the top end of the bed plate (2) is fixedly connected with a plurality of guide rails (3), the inside of the guide rail (3) is slidably connected with a replacement mechanism, the top side of the bed plate (2) is slidably connected with a plurality of air bags (10), and the top of the air bag (10) is provided with a protection mechanism. The replacement mechanism comprises a pressing plate (4), a plurality of circular grooves are formed in the top of the guide rail (3), the outer wall of the pressing plate (4) is slidably connected with the inner wall of the circular groove, the bottom end of the pressing plate (4) is fixedly connected with a sliding rod (5), the bottom of the sliding rod (5) is fixedly connected with a cylindrical block (6), a plurality of chambers I (7) are formed in the inside of the guide rail (3), the left side inner wall of the chamber I (7) is fixedly connected with a spring I (8), the right side of the spring I (8) is fixedly connected with a clamping rod (9), and the inside left side of the air bag (10) is fixedly connected with a connecting block (11).
2. The pressure ulcer prevention nursing device for critical patients according to claim 1, characterized in that: The protection mechanism comprises a plurality of sub-magic tapes (17), the bottom ends of two sub-magic tapes (17) are fixedly connected with the top end of the air bag (10), the top of the sub-magic tape (17) is detachably connected with a female magic tape (18), the top ends of two female magic tapes (18) are fixedly connected with a contact layer (19), the inside of the contact layer (19) is provided with a waterproof layer (20), the bottom side of the waterproof layer (20) is fixedly connected with a heating layer (21), and the bottom side of the heating layer (21) is fixedly connected with an anti-skid layer (22).
3. The pressure ulcer prevention nursing device for critical patients according to claim 1, characterized in that: A plurality of chambers II (12) are formed in the inside of the guide rail (3), and the inner wall of the chamber II (12) is slidably connected with a square plate (13).
4. The pressure ulcer prevention nursing device for critical patients according to claim 3, characterized in that: The middle part of the square plate (13) is fixedly connected with the outer wall of the sliding rod (5), the top side of the spring II (14) is fixedly connected with the bottom side of the square plate (13), and the bottom side of the spring II (14) is fixedly connected with the bottom inner wall of the chamber II (12).
5. The pressure ulcer prevention nursing device for severe patients according to claim 1, characterized in that: The outside of a plurality of sliding rods (5) is slidably connected in the inside of the guide rail (3), the top of the clamping rod (9) is provided with an inclined sliding groove, and the outer wall of the cylindrical block (6) is slidably connected with the inner wall of the inclined sliding groove.
6. The pressure ulcer prevention nursing device for severe patients according to claim 1, characterized in that: The inside of the connecting block (11) is provided with a clamping groove, and the right side of the clamping rod (9) is clamped with the inner wall of the clamping groove.
7. The pressure ulcer prevention nursing device for critical patients according to claim 1, characterized in that: The left and right sides of the air bag (10) are slidably connected on the proximal side of two guide rails (3), the bottom end of the air bag (10) is fixedly connected with a magnetic guide ring (15), the top of the bed plate (2) is fixedly connected with a plurality of permanent magnetic rings (16), and the top side of the permanent magnetic ring (16) is in contact with the bottom side of the magnetic guide ring (15).
8. The pressure ulcer prevention nursing device for critical patients according to claim 2, characterized in that: The bottom side of the contact layer (19) is in contact with the top side of the air bag (10), the material of the waterproof layer (20) is a PTFE waterproof film, the material of the heating layer (21) is a carbon fiber heating wire, and the material of the anti-skid layer (22) is a silica gel anti-skid pattern.