Pressure injury prevention device

Abstract

The utility model provides a pressure injury preventing device which comprises a bottom frame, a placing frame used for supporting a mattress is arranged at the upper end of the bottom frame, a plurality of air bags are arranged in the placing frame and located below the mattress, a bottom plate used for placing an air pump is arranged in the bottom frame, and the air pump is connected with the air bags through pipelines. A plurality of through pipes of hollow structures are arranged in the mattress, a plurality of open holes are formed in the upper portions of the through pipes, and a plurality of air holes are formed in the surface of the mattress. The inflatable and deflatable side air bags and the neck air bag are arranged, so that the supporting force of different parts of the mattress can be adjusted, the side air bags assist in turning over, change contact pressure points and reduce local pressure concentration, the neck air bag supports the head to reduce the neck pressure, the pressure distribution is more reasonable, and the injury risk is reduced. Meanwhile, through pipes in the mattress and surface air holes facilitate air circulation to take away heat and moisture, heat dissipation plates and fins at the two ends of the through pipes enhance heat dissipation, the skin is kept dry and comfortable, and the infection risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to medical instrument technical field, especially relate to a pressure injury prevention device. BACKGROUND

[0002] Pressure injury is a common problem of people who are in bed for a long time, cannot change body position freely and critical patients, etc. Because the skin surface protection barrier is damaged, these patients are susceptible to infection from external microorganisms, often accompanied by bacteremia, and if further developed, the mild cases will form chronic wounds, and the severe cases may cause systemic sepsis, osteomyelitis, etc., and even endanger life. This not only causes the patient's condition to worsen, the hospitalization time to be prolonged, the medical expenses to be increased, and the quality of life to be decreased, but also increases the burden on society, family and medical staff.

[0003] To solve this problem, people have developed various pressure injury prevention devices. Early devices are relatively simple, such as ordinary air mattress beds, which disperse pressure by filling air into the mattress and using the compressibility of gas, but the pressure distribution uniformity of such devices is limited, and because the patient is in contact with the air-tight mattress for a long time, the skin is prone to be damp and hot, increasing the risk of infection. SUMMARY

[0004] To solve the above technical problems, the utility model provides a pressure injury prevention device, which adopts the following technical solutions:

[0005] A pressure injury prevention device, comprising a chassis, a placing rack for supporting a mattress is arranged at the upper end of the chassis, a plurality of air bags are arranged in the placing rack below the mattress, a bottom plate for placing an air pump is arranged in the chassis, and the air pump is connected with each air bag through a pipeline;

[0006] A plurality of hollow structure pipes are arranged in the mattress, a plurality of openings are arranged above the pipes, and a plurality of air holes are arranged on the surface of the mattress, and the lower end of the air hole corresponds to the opening of the pipe.

[0007] Further, the air bags are respectively a neck air bag and two side air bags, the two side air bags are symmetrically distributed, the inflation and deflation state of each air bag can be accurately controlled through a controller arranged on one side of the chassis, the inclination angle of the mattress can be adjusted through inflation and deflation operation of the side air bags, thereby assisting the patient to turn over and effectively reducing the friction and shear force between the patient's body and the mattress.

[0008] Further, the mattress is composed of a plurality of independent partitions, and the adjacent partitions are connected through a flexible connecting belt. The connecting belt can be made of elastic knitted fabric and is fixed on the edges of the adjacent two partitions by sewing or adhesive.

[0009] Further, the both ends of the through pipe are respectively provided with heat dissipation plates, and a plurality of fins are further arranged on the outer surfaces of the heat dissipation plates, so that heat can be dissipated to the surrounding environment.

[0010] Further, the both ends of the through pipe are respectively provided with heat dissipation plates, and a plurality of fins are further arranged on the outer surfaces of the heat dissipation plates, so that heat can be dissipated to the surrounding environment.

[0011] Compared with the prior art, the mattress has the following beneficial effects:

[0012] The side air bag and the neck air bag can adjust the supporting force of different positions of the mattress, the side air bag assists the patient in turning over, changes the pressure points of the body and the mattress, and reduces local pressure concentration, the neck air bag specially supports the head, reduces the pressure of the neck, makes the pressure distribution more reasonable, and effectively reduces the risk of pressure injury.

[0013] The through pipe is arranged in the mattress, air can freely flow through the through pipe, heat and moisture are taken away, the heat dissipation plates and the fins at the both ends of the through pipe further enhance the heat dissipation capacity, the skin is kept dry, and the infection risk caused by damp and hot is obviously reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a whole structure schematic view of the mattress;

[0015] Figure 2 is a position structure schematic view of the air bag of the mattress;

[0016] Figure 3 is a position structure schematic view of the air bag of the mattress; Figure 1 is an enlarged schematic view of the structure at A in the mattress;

[0017] Figure 4 is a structure schematic view of the through pipe of the mattress;

[0018] Figure 5 is an internal structure schematic view of the mattress.

[0019] In the drawings:

[0020] 1 - bottom frame, 2 - bottom plate, 21 - air pump, 22 - controller, 3 - placing frame, 4 - air bag, 5 - mattress, 51 - connecting belt, 52 - air hole, 6 - through pipe, 61 - opening, 7 - heat dissipation plate, 71 - fin, 72 - dust screen. DETAILED DESCRIPTION

[0021] In order for the person skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0022] As shown in the accompanying Figures 1-5 .

[0023] A pressure injury prevention device, comprising a base frame 1, a placing frame 3 for supporting a mattress 5 is arranged at the upper end of the base frame 1, three air bags 4 are arranged in the placing frame 3 and below the mattress 5, which are neck air bag and two side air bags, wherein the two side air bags are symmetrically distributed, by inflating and deflating the side air bags, the inclination angle of the mattress 5 can be adjusted, so that the patient's body naturally inclines to the other side, which is convenient for the patient to turn over and reduces the friction and shear force between the patient's body and the mattress; the neck air bag is used to support the head and reduce the neck pressure.

[0024] Further, a bottom plate 2 for placing an air pump 21 is arranged in the base frame 1, the air pump 21 is connected with each air bag 4 through a pipeline, and the inflation and deflation state of each air bag can be accurately controlled through a controller 22 arranged on one side of the base frame 1.

[0025] The mattress 5 is composed of multiple independent partitions, and adjacent partitions are connected through flexible connecting belts 51, which can ensure the relative independent movement of each partition and can also work cooperatively to a certain extent.

[0026] In addition, in order to ensure the air permeability and heat dissipation of the mattress 5, a through pipe 6 is arranged in the mattress 5, the through pipe 6 is a hollow structure, a plurality of openings 61 are arranged above the through pipe 6, and a plurality of air permeable holes 52 are arranged on the surface of the mattress 5, the lower end of the air permeable hole 52 corresponds to the opening 61 of the through pipe 6, when the patient lies down, air can flow freely in the air permeable hole 52 and the through pipe 6, and the heat and moisture generated by the body can be taken away, so that the skin is kept dry; heat dissipation plates 7 are arranged at both ends of the through pipe 6, and a plurality of fins 71 are arranged on the outer surface of the heat dissipation plates 7, which can quickly dissipate the heat inside the mattress 5 to the surrounding environment, and further improve the air permeability and heat dissipation effect of the mattress.

[0027] Further, dust screens 72 are arranged at both ends of the through pipe 6 to prevent dust and sundries from entering the channel.

[0028] The working principle of the device is as follows: the device is placed in a suitable position and the power is turned on, the patient lies on the mattress 5 composed of multiple independent partitions and connected through flexible connecting belts 51, at this time, the neck air bag provides support for the patient's head after being inflated by the air pump 21 through the pipeline, and the neck pressure is reduced.

[0029] When the patient needs to be assisted to turn over, the air pump 21 is precisely controlled to inflate or deflate the two symmetrical side air bags located under the bed mattress 5 in the placing frame 3 through the controller 22 installed on one side of the base frame 1; when the side air bag is inflated, the side air bag is inflated, the bed mattress is inclined, and the patient's body naturally inclines to the other side, so that the patient is easily turned over, and the friction and shear force between the patient's body and the bed mattress are reduced.

[0030] During use of the patient, the air-permeable heat dissipation function of the bed mattress 5 is continuously operated, the air-permeable holes 52 on the surface of the bed mattress correspond to the openings 61 of the internal through pipe 6, air can freely flow, and heat and moisture generated by the patient's body are taken away. The heat dissipation plates 7 at both ends of the through pipe and the fins 71 on the outer surface thereof accelerate heat dissipation to the surrounding environment, and the dustproof nets 72 at both ends of the through pipe prevent dust and sundries from entering the through pipe, thereby ensuring smooth air-permeable heat dissipation channels.

[0031] The technical scheme of the utility model, or the technical scheme inspired by the technical scheme of the utility model by those skilled in the art, is designed to achieve the above technical effects, and falls within the protection scope of the utility model.

Claims

1. A pressure injury prevention device comprising a chassis (1), characterised in that: The upper end of the bottom frame (1) is provided with a placing frame (3) for supporting a mattress (5), a plurality of air bags (4) are arranged in the placing frame (3) and below the mattress (5), a bottom plate (2) for placing an air pump (21) is arranged in the bottom frame (1), and the air pump (21) is connected with the air bags (4) through pipelines; A plurality of hollow structure through pipes (6) are arranged in the mattress (5), a plurality of openings (61) are arranged above the through pipes (6), and a plurality of air permeable holes (52) are arranged on the surface of the mattress (5) and correspond to the openings (61) of the through pipes (6).

2. A pressure injury prevention device as claimed in claim 1, wherein: The air bags (4) are neck air bags and two side air bags, and the two side air bags are symmetrically distributed.

3. A pressure injury prevention device as claimed in claim 2, wherein: The bottom frame (1) is provided with a controller (22) on one side, so that the inflation and deflation states of the air bags can be accurately controlled.

4. A pressure injury prevention device as claimed in claim 1, wherein: The mattress (5) is composed of a plurality of independent partitions, and adjacent partitions are connected through flexible connecting belts (51).

5. A pressure injury prevention device as claimed in claim 1, wherein: The two ends of the through pipe (6) are respectively provided with heat dissipation plates (7), and a plurality of fins (71) are further arranged on the outer surfaces of the heat dissipation plates (7).

6. A pressure injury prevention device as claimed in claim 1, wherein: The two ends of the through pipe (6) are respectively provided with dustproof nets (72).

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