Pressure sore prevention air cushion

Abstract

The utility model relates to a pressure sore prevention air cushion which comprises an air cushion sleeve, an air inflation control box is arranged on one side of the air cushion sleeve, an air pump is arranged in the air inflation control box, the output end of the air pump is connected with an air flow distributor, one end of the air flow distributor is respectively connected with a first air inflation pipe and a second air inflation pipe, and the air cushion sleeve is composed of a plurality of air cushions. The first inflation pipe is connected to one side of the air cushion sleeve, the side, close to the first inflation pipe, of the air cushion sleeve is connected with a forked air pipe set A, the side, close to the second inflation pipe, of the air cushion sleeve is connected with a forked air pipe set B. A plurality of air bag assemblies are arranged on the surface of the air cushion sleeve. The sealing rubber column tightly presses the annular inclined surface, so that the air inlet is kept closed; air pressure acts on the spring and is in lap joint with the sealing rubber column to form sealing, and at the moment, the pressing piece protrudes outwards to press the head or the trunk of the patient to promote blood circulation.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an anti-pressure ulcer air cushion. Background Art

[0002] An anti-pressure ulcer air cushion is a medical care device specifically designed to prevent and slow down pressure ulcers. It works by reducing the uneven distribution of local pressure on the body, thereby effectively preventing pressure ulcers caused by ischemia of the skin and tissues due to long-term compression. An anti-pressure ulcer air cushion usually consists of an inflatable mattress, an air duct, an air pump, etc., which can increase the contact area between the patient's body and the cushion, reduce the local pressure on the body, and simulate artificial turning over through periodic inflation and deflation to promote blood circulation and muscle relaxation.

[0003] Currently, there is an anti-pressure ulcer air cushion bed for preventing bedsore, which can only prevent pressure ulcers on the local trunk. However, for critically ill patients, especially those with severe head injuries or cerebral hemorrhage, pressure ulcers often occur on the head due to the disease. Once pressure ulcers occur, it not only aggravates the patient's condition and increases the workload of nursing staff, but also increases the patient's economic burden, bringing many adverse factors to the operation. Content of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In order to solve the above problems of the prior art, the utility model provides an anti-pressure ulcer air cushion to solve the problem of local anti-pressure ulcer.

[0006] (II) Technical Solutions

[0007] In order to achieve the above purpose, the main technical solution adopted by the utility model is as follows:

[0008] An anti-pressure ulcer air cushion includes an air cushion cover. An inflation control box is arranged on one side of the air cushion cover. An air pump is arranged inside the inflation control box. The output end of the air pump is connected to an air flow distributor. One end of the air flow distributor is respectively connected to a first inflation tube and a second inflation tube. The air cushion cover is composed of a plurality of air cushions. The first inflation tube is connected to one side of the air cushion cover. A bifurcated air tube group A is connected to the side of the air cushion cover close to the first inflation tube. One end of the second inflation tube is connected to the other side of the air cushion cover. A bifurcated air tube group B is connected to the side of the air cushion cover close to the second inflation tube. A plurality of air bag components are arranged on the surface of the air cushion cover.

[0009] The number of the bifurcated air tube group B and the bifurcated air tube group A is multiple, and they are evenly distributed on both sides of the air cushion cover in a longitudinal array form. A solenoid valve B is connected between the plurality of bifurcated air tube groups B, and a solenoid valve A is connected between the bifurcated air tube groups A.

[0010] The airbag assembly includes a backboard fixedly mounted on the surface of the air cushion sleeve. Ring-shaped extension parts are provided on both sides of the backboard, and a spherical airbag is connected through the surface of one of the ring-shaped extension parts of the backboard.

[0011] One spherical part of the spherical airbag penetrates outside the air cushion sleeve. A through hole is formed on the surface of the ring-shaped extension part on the other side of the backboard. A sealing cover plate is movably clamped on the inner arc surface of the through hole. The sealing cover plate is movably clamped on the inner wall of the through hole in a form that is wider at the bottom and narrower at the top.

[0012] A connecting part is sleeved on the top of the inner arc surface of the sealing cover plate. A sealing rubber column is movably sleeved on the lower surface of the connecting part. A pressing part is movably lapped on the lower surface of the sealing rubber column.

[0013] An annular inclined surface is provided on the upper surface of the pressing part. The annular inclined surface is lapped and adapted to the sealing rubber column. A gas storage cavity body is connected to the outside of the backboard near the air cushion sleeve. An air delivery channel is provided on one side of the outside of the gas storage cavity body. The air delivery channel is connected to the spherical airbag.

[0014] A spring is movably sleeved on the outer arc surface of the sealing rubber column. The top end of the spring is fixedly connected to the connecting part.

[0015] (III) Beneficial effects

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. By the single-chip microcomputer installed in the inflation control box setting the time program, the opening and closing of the solenoid valve B and the solenoid valve A are respectively controlled, so that the first inflation pipe and the second inflation pipe connected to it inflate the air cushion connected in the air cushion sleeve. When the air cushion is inflated inside, the solenoid valve A is controlled to open to inflate the inside of the bifurcated air pipe group A, and each bifurcated air pipe group is controlled by the solenoid valve A. Therefore, the inflation and depression of the air cushion can be repeatedly formed. The repeated cycle can form a breathable gap in the torso or head of the surgical patient lying on the air cushion sleeve for a long time, and effectively avoid the occurrence of head pressure sores during the operation.

[0018] 2. When the air pressure in the gas storage cavity body increases, under the action of the air pressure, the sealing rubber column tightly presses the annular inclined surface to keep the air inlet closed; the air pressure acts on the spring lapped on the sealing rubber column to form a seal. At this time, the pressing part will protrude outwards to press the position of the patient's head or torso to promote blood circulation.

[0019] 3. A gap is generated between the sealing rubber column and the annular inclined surface, and the gas in the gas storage cavity is filled into the object to be inflated through the gas transmission channel. At this time, the external gas enters the spherical airbag through the gap between the pressing frame and the gas storage cavity and then through the gas transmission channel until the spherical airbag expands to the natural state. In this way, it circulates continuously, inflates and contracts continuously, and further cooperates with the air cushion sleeve to massage various body positions, thus avoiding aggravating the patient's condition and increasing the workload of the nursing staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 FIG. is a schematic diagram of the overall process structure of an anti-pressure ulcer air cushion of the present utility model;

[0021] Figure 2 FIG. is a schematic diagram of the airbag assembly structure of an anti-pressure ulcer air cushion of the present utility model;

[0022] Figure 3 FIG. is a schematic diagram of the disassembled structure of an anti-pressure ulcer air cushion of the present utility model;

[0023] Figure 4 FIG. is a schematic diagram of the sectional structure of an anti-pressure ulcer air cushion of the present utility model.

[0024]

DESCRIPTION OF THE REFERENCE NUMERALS

[0025] 1. Air cushion sleeve; 2. Inflation control box; 3. Air pump; 4. Air flow distributor; 5. First inflation tube; 6. Second inflation tube; 7. Bifurcated air tube group B; 701. Solenoid valve B; 9. Bifurcated air tube group A; 901. Solenoid valve A; 8. Airbag assembly; 801. Back plate; 802. Spherical airbag; 803. Sealing cover plate; 804. Connector; 805. Sealing rubber column; 806. Pressing member; 807. Annular inclined surface; 808. Gas storage cavity; 809. Gas transmission channel; 810. Spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] In order to better explain the present utility model for easy understanding, the present utility model will be described in detail below with reference to the accompanying drawings through specific embodiments.

[0027] Please refer to Figures 1 to 4As shown in the figure, an anti-pressure ulcer air cushion of the utility model includes an air cushion sleeve 1. One side of the air cushion sleeve 1 is provided with an inflation control box 2. An air pump 3 is arranged inside the inflation control box 2. The output end of the air pump 3 is connected to an air flow distributor 4. One end of the air flow distributor 4 is respectively connected to a first inflation tube 5 and a second inflation tube 6. The air cushion sleeve 1 is composed of multiple air cushions. The first inflation tube 5 is connected to one side of the air cushion sleeve 1. A forked air tube group A9 is connected to the side of the air cushion sleeve 1 close to the first inflation tube 5. One end of the second inflation tube 6 is connected to the other side of the air cushion sleeve 1. A forked air tube group B7 is connected to the side of the air cushion sleeve 1 close to the second inflation tube 6. A number of air bag components 8 are arranged on the surface of the air cushion sleeve 1. The number of the forked air tube group B7 and the forked air tube group A9 is multiple, and they are evenly distributed on both sides of the air cushion sleeve 1 in a longitudinal array form. A solenoid valve B701 is connected between the multiple forked air tube groups B7. A solenoid valve A901 is connected between the forked air tube groups A9. In the actual implementation process, during operation, the switch on the inflation control box 2 is turned on to start working. The air pump 3 respectively fills the air source into the first inflation tube 5 and the second inflation tube 6. After inflation, the single-chip microcomputer in the inflation control box 2 installs the set time program to respectively control the opening and closing of the solenoid valve B701 and the solenoid valve A901, so that the connected first inflation tube 5 and the second inflation tube 6 inflate the air cushions connected in the air cushion sleeve 1. When the air cushion is inflated inside, the solenoid valve A901 is controlled to open to inflate the inside of the forked air tube group A9, and each forked air tube group 9 is controlled by the solenoid valve A901. Similarly, the forked air tube B7 on the other side is controlled by the solenoid valve B701. Thus, the inflation and depression of the air cushion can be repeatedly formed. The repeated cycle can form a breathable gap in the torso or head of the surgical patient lying on the air cushion sleeve for a long time, effectively avoiding the occurrence of head pressure ulcers during the operation.

[0028] Optionally, the airbag assembly 8 includes a back plate 801 fixedly mounted on the surface of the air cushion sleeve 1. Both sides of the back plate 801 are provided with annular extension parts. A spherical airbag 802 is connected through the surface of one annular extension part of the back plate 801. One spherical part of the spherical airbag 802 penetrates outside the air cushion sleeve 1. A through hole is formed on the surface of the other annular extension part of the back plate 801. A sealing cover plate 803 is movably clamped on the inner arc surface of the through hole. The sealing cover plate 803 is movably clamped on the inner wall of the through hole in a form of wider at the bottom and narrower at the top. A connecting piece 804 is sleeved on the top of the inner arc surface of the sealing cover plate 803. A sealing rubber column 805 is movably sleeved on the lower surface of the connecting piece 804. A pressing piece 806 is movably lapped on the lower surface of the sealing rubber column 805. An annular inclined surface 807 is provided on the upper surface of the pressing piece 806. The annular inclined surface 807 is lapped and adapted to the sealing rubber column 805. The back plate 801 is connected to a gas storage cavity body 808 near the outside of the air cushion sleeve 1. An air delivery channel 809 is provided on one side of the outside of the gas storage cavity body 808. The air delivery channel 809 is connected to the spherical airbag 802. A spring 810 is movably sleeved on the outer arc surface of the sealing rubber column 805. The top end of the spring 810 is fixedly connected to the connecting piece 804. In the actual implementation process, during inflation, the sealing cover plate 803 is opened to absorb the gas filled by the air pump 3. The air pressure in the gas storage cavity body 808 increases. Under the action of the air pressure, the sealing rubber column 805 tightly presses the annular inclined surface 807 to keep the air inlet 101 closed. The air pressure acts on the spring 810 lapped on the sealing rubber column 805 to form a seal. At this time, the pressing piece 806 will protrude outwards to press the position of the patient's head or torso to promote blood circulation. When no gas enters one of the air cushions, the elastic force of the spring 810 moves inwards. Due to the patient's own gravity, there is no air pressure, so it will contract inwards when squeezing the pressing piece 806. In this way, a gap is generated between the sealing rubber column 805 and the annular inclined surface 807. The gas in the gas storage cavity body 808 is filled into the inflated object through the air delivery channel 809. At this time, the outside gas enters the spherical airbag 802 through the gap between the pressing frame 806 and the gas storage cavity body 808 and then through the air delivery channel 809 until the spherical airbag 802 expands to the natural state. In this way, it circulates continuously, inflates and contracts continuously, and further cooperates with the air cushion sleeve 1 to massage each body position, so as to avoid aggravating the patient's condition and increasing the workload of the nursing staff.

[0029] The basic principles, main features and advantages of the present utility model have been shown and described above. Moreover, the standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can all be customized according to the records in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, details are not described herein again.

[0030] The above are only the embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the relevant technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. An anti-pressure sore air cushion, comprising an air cushion cover (1), characterized in that: An inflation control box (2) is provided on one side of the air cushion cover (1), an air pump (3) is provided inside the inflation control box (2), an output end of the air pump (3) is connected to an air flow distributor (4), one end of the air flow distributor (4) is respectively connected to a first inflation tube (5) and a second inflation tube (6), the air cushion cover (1) is composed of a plurality of air cushions, the first inflation tube (5) is connected to one side of the air cushion cover (1), a forked air tube group A (9) is connected to the side of the air cushion cover (1) close to the first inflation tube (5), one end of the second inflation tube (6) is connected to the other side of the air cushion cover (1), a forked air tube group B (7) is connected to the side of the air cushion cover (1) close to the second inflation tube (6), and a plurality of air bag components (8) are provided on the surface of the air cushion cover (1); the air bag component (8) comprises a fixed A back plate (801) is mounted on the surface of an air cushion cover (1), and an annular extension portion is provided on both sides of the back plate (801), and a spherical airbag (802) is connected to the surface of the annular extension portion on one side of the back plate (801); the spherical portion on one side of the spherical airbag (802) extends to the outside of the air cushion cover (1), and a through hole is opened on the surface of the annular extension portion on the other side of the back plate (801), and a sealing cover plate (803) is movably clamped on the inner arc surface of the through hole, and the sealing cover plate (803) is movably clamped on the inner wall of the through hole in the form of being wider at the bottom and narrower at the top; a connecting piece (804) is sleeved on the top of the inner arc surface of the sealing cover plate (803), and a sealing rubber column (805) is movably sleeved on the lower surface of the connecting piece (804), and a pressing piece (806) is movably overlapped on the lower surface of the sealing rubber column (805).

2. The anti-pressure sore air cushion according to claim 1, characterized in that: The number of the bifurcated air tube groups B (7) and the bifurcated air tube groups A (9) is plural and is evenly distributed on both sides of the air cushion sleeve (1) in the form of a longitudinal array. Solenoid valves B (701) are connected between the plurality of bifurcated air tube groups B (7), and solenoid valves A (901) are connected between the bifurcated air tube groups A (9).

3. The anti-pressure sore air cushion according to claim 2, characterized in that: The upper surface of the pressing member (806) is provided with an annular inclined surface (807), and the annular inclined surface (807) is overlapped and matched with the sealing rubber column (805). The back plate (801) is connected to an air storage cavity (808) near the outside of the air cushion cover (1), and an air delivery channel (809) is provided on one side outside the air storage cavity (808), and the air delivery channel (809) is connected to the spherical air bag (802).

4. The anti-pressure sore air cushion according to claim 3, characterized in that: The outer arc surface of the sealing rubber column (805) is movably sleeved with a spring (810), and the top end of the spring (810) is fixedly connected to the connecting piece (804).

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