Inflatable mattress capable of preventing pressure sores and automatically turning over

Abstract

The invention belongs to the technical field of medical apparatus and instruments, and particularly discloses a pressure-sore-preventing and automatic-turning-over inflatable mattress which comprises a mattress body, an air cushion pillow and a hip air cushion are arranged above the mattress body, and the hip air cushion is arranged above the air cushion pillow. At least two back air cushions are arranged between the air cushion pillow and the hip air cushion, wherein the back air cushions are independently controlled, the air pressure of the back air cushions can be independently adjusted, and a certain height difference can be formed on the left side and the right side when the back air cushions are inflated. According to the inflatable mattress, local pressure reduction of the upper layer and automatic turning over of the left side and the right side can be achieved, the automation degree is high, the temperature of inflated gas can be adjusted, the body of a patient is in a heat preservation state, blood circulation of the pressed skin is promoted, and using is more convenient.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to an inflatable mattress capable of preventing pressure sores and automatically turning over. Background Art

[0002] At present, with the complexity of diseases, treatments have also become diversified. An inflatable mattress is a mattress that has strong flexibility and elasticity and expands after being inflated. It has the advantages of not being easily deformed and being comfortable to sleep on. It is very friendly to patients who need to stay in bed for a long time for recuperation or treatment due to illness. Therefore, inflatable mattresses are widely used in medical and nursing units.

[0003] Patients who lie down for a long time due to illness may suffer from local tissue compression, which may lead to skin damage and pressure sores. To prevent skin damage and pressure sores, medical or nursing units usually let patients lie on a bed with an air cushion. However, existing inflatable mattresses are usually made of a whole air bag. Although it has strong flexibility and elasticity, it cannot automatically grasp the patient's lying state and the local pressure on the patient's body, and cannot automatically turn over at a fixed time. Medical staff need to patrol at any time or the patient's family members need to carefully watch over and intermittently help the patient turn over. If the medical staff or family members are negligent, the patient will lie for a long time and easily develop pressure sores.

[0004] The present invention is made based on the above situation. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an inflatable mattress that can prevent pressure sores and automatically turn over. This inflatable mattress can achieve local decompression of the upper layer and automatic turning over on the left and right sides. It has a high degree of automation and can also adjust the temperature of the filled gas to keep the patient's body in a warm state, promote blood circulation of the compressed skin, and be more convenient to use.

[0006] The present invention is achieved through the following technical solutions:

[0007] An inflatable mattress for preventing pressure sores and automatically turning over comprises a mattress body, an air cushion pillow and a hip air cushion are arranged above the mattress body, and at least two independently controlled back air cushions with individually adjustable air pressure are arranged between the air cushion pillow and the hip air cushion, and when inflated, a certain height difference is formed on the left and right sides of the back air cushions.

[0008] The inflatable mattress for preventing pressure sores and automatically turning over as described above, the mattress body is also provided with at least two independently controlled leg air cushions for placing the ankles or legs of the patient, and the air pressure of the leg cushions can be adjusted separately.

[0009] As described above, the inflatable mattress for preventing pressure sores and automatically turning over has a control system connected to the mattress body, which includes a central controller and an air pump electrically connected to the central controller. The air pump is connected to the mattress body and to the back air cushion by at least one independent ventilation duct, and each ventilation duct is provided with a gas flow controller, and each gas flow controller is electrically connected to the central controller.

[0010] In the above-mentioned inflatable mattress for preventing pressure sores and automatically turning over, the air pump and the leg air cushion are connected by independent ventilation pipes, and the ventilation pipes between the leg air cushion and the air pump are each provided with an independently controllable gas flow controller.

[0011] In the above-mentioned inflatable mattress for preventing bedsores and automatically turning over, the gas flow controller is a three-way valve.

[0012] In the above-mentioned inflatable mattress for preventing pressure sores and automatically turning over, the central controller is connected to a constant temperature heater for heating the gas input into the ventilation pipeline, and the constant temperature heater is connected to the air pump pipeline.

[0013] In the above-mentioned inflatable mattress for preventing pressure sores and automatically turning over, a pressure sensor is provided below the mattress body, and the pressure sensor is electrically connected to the central controller.

[0014] As described above, in the inflatable mattress for preventing bedsores and automatically turning over, a temperature sensor for measuring the temperature of the gas in the mattress body is provided in the mattress body, and the temperature sensor is electrically connected to the central controller.

[0015] As described above, the inflatable mattress for preventing pressure sores and automatically turning over, the mattress body is composed of at least two layers of air cushions that can communicate air with each other, and the air cushion pillow and the buttocks air cushion are both connected to the mattress body.

[0016] In the inflatable mattress for preventing pressure sores and automatically turning over as described above, the air cushion pillow and the buttocks air cushion are both independently controlled and the air pressure of which can be adjusted separately.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] 1. The inflatable mattress for preventing pressure sores and automatically turning over of the present invention can automatically adjust the body shape by controlling the air cushion pillow for adjusting the body position, the buttocks air cushion and at least two independently controlled back air cushions with individually adjustable air pressure above the mattress body, so as to help the patient change the body position, promote blood circulation, and reduce the blood circulation problems that may be caused by long-term compression of the same part. By intelligently controlling the raising of the back air cushion on one side and the lowering of the corresponding back air cushion on the other side, the body of one side of the patient is raised to help the patient turn over. This mattress has a high degree of automation and can reduce the number of times the nursing staff performs manual turning operations on the patient.

[0019] 2. The present invention provides a constant temperature heater in the mattress that is electrically connected to the central controller and connected to the pipeline on the air pump, so as to better adjust the temperature of the gas filled into the mattress body and the air cushion above the mattress body, so as to keep the patient's body warm and promote better blood circulation of the compressed skin;

[0020] 3. The inflatable mattress for preventing pressure sores and automatically turning over of the present invention has a simple structure and is easy to use. A pressure sensor is provided under the mattress body, and the pressure sensor is electrically connected to the central controller, so that the patient's weight can be accurately measured and the lying time can be calculated, and the contact surface area can be intelligently estimated. Taking local pressure into consideration, the height of the air cushion pillow, buttocks air cushion, back air cushion, and leg air cushion can be systematically and automatically controlled to reduce the risk of pressure injury; the interval time and number of turning over of the patient can be intelligently estimated, which reduces the workload of nursing staff, improves work efficiency, and improves patient satisfaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the structural features and effects of the present invention, the specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0022] Figure 1 2 is a schematic diagram of the structure of an automatic turning inflatable mattress according to Embodiment 1 of the present invention;

[0023] Figure 2 This is a schematic structural diagram of an automatic turning over inflatable mattress according to Embodiment 2 of the present invention;

[0024] Figure 3 The figure is a schematic cross-sectional structure diagram of the automatic turning over inflatable mattress of the present invention. DETAILED DESCRIPTION

[0025] In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. This embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0026] Example 1

[0027] like Figure 1 As shown, the present invention is an inflatable mattress for preventing pressure sores and automatically turning over, comprising a mattress body 1, an air cushion pillow 2 and a hip air cushion 3 are arranged above the mattress body 1, and at least two independently controlled, independently adjustable air pressure back air cushions 4 are arranged between the air cushion pillow 2 and the hip air cushion 3, which can form a certain height difference between the left and right sides when inflated. Generally speaking, at least two back air cushions 4 are vertically arranged on the left and right sides of the patient's back perpendicular to the air cushion pillow 2 and the hip air cushion 3. The present invention controls at least two independently controlled, independently adjustable air pressure back air cushions 4, intelligently controls to raise the back air cushion 4 on one side of the left and right and lowers the corresponding back air cushion 4 on the other side, so that the back air cushions 4 on the left and right sides can raise one side of the patient's body and help the patient turn over. This mattress has a high degree of automation, which can reduce the number of times the nursing staff manually turns over the patient, reduce the workload of the nursing staff, improve work efficiency, and improve patient satisfaction. Moreover, the air cushion pillow 2, the buttocks air cushion 3 and the back air cushion 4 arranged above the mattress can help the patient change the body position, relieve the local pressure and reduce the blood circulation problems that may be caused by long-term compression of the same part.

[0028] When a person lies on a mattress, the local pressure on the body Wherein F is the force acting vertically on the surface, A is the area of ​​the force-bearing surface, when a human body lies flat on a non-deformable mattress, the protruding parts of the body, such as the head, back, and buttocks, directly fit the mattress and bear a larger force-bearing area, so the local pressure on these parts is significantly greater than the pressure on other parts of the body. The inflatable mattress of the present invention is provided with an air cushion pillow 2, a buttocks air cushion 3, and a back air cushion 4 above the mattress body 1. When these protruding parts of the human body lean on the corresponding air cushions, the air cushions are compressed, deformed and sunken, and the mattress can contact a large area of ​​human skin. The pressure is evenly distributed on each skin contact surface, which can reduce local pressure and promote blood circulation.

[0029] like Figure 1-2 As shown, in the present invention, a control system 6 is connected to the mattress body 1, and the control system 6 includes a central controller 61 and an air pump 62 electrically connected to the central controller 61. The air pump 62 is connected to the mattress body 1 and the back air cushion 4 by at least one independent ventilation pipe 7, and each ventilation pipe 7 is provided with a gas flow controller 8, and each gas flow controller 8 is electrically connected to the central controller 61. The central controller 61 controls the working state of the gas flow controller 8 and the air pump 62, thereby indirectly controlling the air content in the mattress body 1, the air cushion pillow 2, the hip air cushion 3 and the back air cushion 4 to increase or decrease the height of each independent air cushion. The gas flow controller 8 can only control the height of the back air cushion 4 on the left and right sides to help the patient quickly change the posture and automatically turn over.

[0030] Specifically, the gas flow controller 8 of the present invention is a three-way valve 81. Under the control of the central controller 61, the three-way valve 81 allows the ventilation pipes 7 connected to the back air cushions 4 on the left and right sides to both inlet and outlet air, saving the cost of separately installing an electric-controlled exhaust valve on the back air cushion 4.

[0031] The mattress body 1 of the present invention is composed of at least two layers of air cushions that can communicate with each other, and the air cushion pillow 2 and the buttocks air cushion 3 are both connected to the mattress body 1. Figure 3 As shown, the two layers of air cushions are directly provided with air holes 14 for communicating air, and of course, air can also be communicated through ventilation pipes. The air cushion pillow 2 and the hip air cushion 3 can be fixedly connected to the mattress body 1 and communicated with the mattress body 1 through the air holes 14, or can be bonded to the mattress body 1 and connected with the mattress body 1 through air pipes, which makes it more convenient to adjust the position and direction of the air cushion pillow 2 and the hip air cushion 2 according to the patient's height.

[0032] Of course, the air cushion pillow 2 and the hip air cushion 3 can also be set as independently controlled air cushions with individually adjustable air pressure. The independently controlled air cushion pillow 2 and the hip air cushion 3 can adjust the position and direction of the air cushion pillow 2 and the hip air cushion 3 according to the specific conditions of the patient. The central controller 61 has the function of notifying the medical staff in advance or in advance to manually control the lifting of the air cushion pillow 2. The lifting of the air cushion pillow 2 and / or the hip air cushion 3 can be manually adjusted. This can better observe the skin condition of the restrained part of the patient who turns over sideways, and turning over is also safer.

[0033] like Figure 1-3 As shown, a pressure sensor 10 is provided below the mattress body 1 of the present invention, and the pressure sensor 10 is electrically connected to the central controller 61. The pressure sensor 10 feeds back the measured information to the central controller 61, so that the patient's weight can be accurately measured and the lying time can be calculated, and the contact surface area can be intelligently estimated, and the local pressure can be considered to systematically and automatically control the height of the air cushion pillow 2, the buttocks air cushion 3 and the back air cushion 4 to reduce the risk of pressure injury; the interval time and number of turning over of the patient can be intelligently estimated, which reduces the workload of nursing staff, improves work efficiency, and improves patient satisfaction.

[0034] like Figure 3 As shown, in the present invention, a constant temperature heater 9 for heating the gas input into the ventilation pipe 7 is connected to the central controller 61, and the constant temperature heater 9 is connected to the pipeline of the air pump 62. The constant temperature heater 9 can be connected to the air inlet end of the air pump 62, and can also be connected to the ventilation pipe 7 at the air outlet end of the air pump 62. The constant temperature heater 7 can increase the temperature of the gas filled into the mattress body 1 and the air cushion above the mattress body 1, so that the patient's body is in a warm state, and further promotes better blood circulation of the compressed skin.

[0035] In the present invention, the mattress body 1 is further provided with a temperature sensor 11 for measuring the temperature of the gas in the mattress body 1, and the temperature sensor 11 is electrically connected to the central controller 61. Specifically, Figure 1-2 As described above, the mattress body 1 of the present invention is connected to an air outlet pipe 12, and the air outlet pipe 12 is connected to an electromagnetic valve 13 for deflating the mattress body 1. The electromagnetic valve 13 is electrically connected to the central controller 61. The temperature sensor 11 feeds back the measured temperature to the central controller 61. If the measured temperature is lower than the set temperature, the central controller 61 can control the electromagnetic valve 13 to open, and control the air pump 62 and the gas flow controller 8 directly connected to the mattress body 1 through a pipeline to fill hot air into the mattress body 1, so as to achieve the purpose of raising the constant temperature of the gas in the mattress body 1.

[0036] Example 2

[0037] like Figure 2 As shown, the difference between the embodiment of the present invention and the embodiment 1 is that in the embodiment, at least two independently controlled leg air cushions 5 with individually adjustable air pressure are provided on the mattress body 1 for placing the ankles or legs of the patient. The leg air cushions 5 can raise the ankles and calves of the patient and help the patient's calves to locally decompress. Usually, the leg air cushions 5 are also composed of at least two layers of air cushions stacked together, which is more firm and durable.

[0038] Furthermore, the air pump 62 of this embodiment is connected to the leg air cushion 5 by an independent ventilation duct 7, and the ventilation duct 7 between the leg air cushion 5 and the air pump 62 is provided with an independently controllable gas flow controller 8. Specifically, the gas flow controller 8 of this embodiment is also a three-way valve 81. Under the control of the central controller 61, the three-way valve 81 allows the ventilation ducts 7 connected to the leg air cushions 5 on the left and right sides to both take in and out air, saving the cost of separately installing an electrically controlled exhaust valve on the leg air cushion 5. In actual production, the leg air cushion 5 and the shoulder air cushion 4 on the same side can also be controlled by the same gas flow controller 8, and the gas flow controllers 8 on both sides are controlled by the central controller 61. When the patient needs to turn over to the left side, the central controller 61 controls the gas flow controller 8 connected to the right leg air cushion 5 and the shoulder air cushion 4 to start the inflation state to raise the right back air cushion 23 and the right leg air cushion 26, and at the same time controls the gas flow controller 8 connected to the left back air cushion 22 and the left leg air cushion 25 not to inflate or to deflate to lower the height of the left leg air cushion 5 and the shoulder air cushion 4. Thus, the left and right sides form a shape of the right side higher and the left side lower, which helps the patient turn over to the left side.

Claims

1. An inflatable mattress for preventing pressure sores and automatically turning over, comprising a mattress body (1), characterized in that An air cushion pillow (2) and a hip air cushion (3) are arranged above the mattress body (1), and at least two independently controlled back air cushions (4) are arranged between the air cushion pillow (2) and the hip air cushion (3), the air pressure of which can be individually adjusted and which can form a certain height difference between the left and right sides when inflated.

2. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 1 is characterized in that The mattress body (1) is also provided with at least two independently controlled leg air cushions (5) for placing the ankles or legs of the patient, and the air pressure of the leg cushions can be adjusted individually.

3. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 1 or 2, characterized in that The mattress body (1) is connected to a control system (6), the control system (6) comprising a central controller (61) and an air pump (62) electrically connected to the central controller (61), the air pump (62) being connected to the mattress body (1) and to the back air cushion (4) respectively by at least one independent ventilation pipe (7), the ventilation pipe (7) being provided with a gas flow controller (8), and each of the gas flow controllers (8) being electrically connected to the central controller (61).

4. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 3 is characterized in that The air pump (62) and the leg air cushion (5) are connected by an independent ventilation pipeline (7), and the ventilation pipeline (7) between the leg air cushion (5) and the air pump (62) is provided with an independently controllable gas flow controller (8).

5. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 4 is characterized in that The gas flow controllers (8) are all three-way valves (81).

6. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 3 is characterized in that The central controller (61) is connected to a constant temperature heater (9) for heating the gas input into the ventilation pipe (7), and the constant temperature heater (9) is connected to the air pump (62) via a pipe.

7. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 3 is characterized in that A pressure sensor (10) is provided below the mattress body (1), and the pressure sensor (10) is electrically connected to the central controller (61).

8. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 6, characterized in that A temperature sensor (11) for measuring the temperature of the gas in the mattress body (1) is provided in the mattress body (1), and the temperature sensor (11) is electrically connected to the central controller (61).

9. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 1, characterized in that The mattress body (1) is composed of at least two layers of air cushions that can communicate air with each other, and the air cushion pillow (2) and the buttocks air cushion (3) are both connected to the mattress body (1).

10. The inflatable mattress for preventing pressure sores and automatically turning over according to claim 1, characterized in that The air cushion pillow (2) and the buttocks air cushion (3) are both independently controlled air cushions whose air pressure can be adjusted separately.

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