Two-way inflatable cushion for pressure measurement

Abstract

The invention provides a two-way inflatable cushion for pressure measurement, and belongs to the technical field of medical instruments. The two-way inflatable cushion for pressure measurement comprises a first inflatable cushion body, a second inflatable cushion body and a supporting plate, the second inflatable cushion body is arranged on the outer surface of the first inflatable cushion body, an inlaying box is arranged at the bottom of the supporting plate, a mounting box is mounted in an inner cavity of the inlaying box, a temperature adjusting mechanism is arranged in the inner cavity of the inlaying box, and a temperature adjusting box is mounted at the bottom of the inner wall of the inlaying box. An air outlet of the fan communicates with an air supply pipe, the first conveying pipe communicates with the surface of the temperature adjusting box, and a first refrigeration piece is embedded in the surface of the first mounting plate. The hip of the patient is supported when the first inflatable cushion and the second inflatable cushion are inflated through the first air conveying pipe and the second air conveying pipe, the patient can move by replacing or independently inflating the first inflatable cushion or the second inflatable cushion, and pressure sores are prevented from being generated on the hip of the patient.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and more specifically, to a bidirectional inflatable pad for pressure measurement. Background Technology

[0002] Pressure ulcer pads are passive pressure relief devices designed in the fields of physical medicine and rehabilitation. They prevent pressure ulcer formation by increasing the contact area and dynamic pressure distribution. They are suitable for people with sensory impairments such as spinal cord injury, long-term bedridden or wheelchair users. The proper use of pressure ulcer pads can significantly reduce the incidence of pressure ulcers, but it is necessary to combine them with comprehensive care measures such as regular turning, nutritional support and skin cleaning.

[0003] However, while air cushions can relieve pressure, prolonged pressure on the patient's buttocks can lead to increased buttock size and temperature, potentially causing pressure sores. Furthermore, even with an air cushion in place, patients still require manual assistance from healthcare professionals to move around. Summary of the Invention

[0004] To overcome the above deficiencies, the present invention provides a bidirectional inflatable pad for pressure measurement that overcomes or at least partially solves the above technical problems.

[0005] This invention is implemented as follows: This invention provides a bidirectional inflatable pad for pressure measurement, comprising a first inflatable pad, a second inflatable pad, and a support plate. The second inflatable pad is disposed on the outer surface of the first inflatable pad. A first air supply pipe is connected to the top of the first inflatable pad, and a second air supply pipe is connected to the right side of the second inflatable pad. The support plate is disposed at the bottom of the first and second inflatable pads. An inlay box is disposed at the bottom of the support plate. An installation box is installed in the inner cavity of the inlay box. A fan is installed at the bottom of the inner cavity of the inlay box. A temperature adjustment mechanism is disposed in the inner cavity of the inlay box. The temperature adjustment mechanism includes: A temperature control box is installed at the bottom of the inner wall of the mounting box, and the air outlet of the fan is connected to an air supply pipe, which extends into the inner cavity of the temperature control box. A first delivery pipe is connected to the surface of the temperature control chamber, and a first solenoid valve is installed on the surface of the first delivery pipe. A first mounting plate is installed inside the temperature control chamber, and the air supply duct extends to the left side of the first mounting plate. A first cooling fin is embedded on the surface of the first mounting plate.

[0006] In a preferred embodiment, both the first and second inflatable pads are provided with thin-film pressure sensors on their surfaces, and a plurality of such thin-film pressure sensors are provided.

[0007] In a preferred embodiment, the surface of the first inflatable pad has a first perforation, and there are several first perforations; the surface of the second inflatable pad has a second perforation, and there are several second perforations.

[0008] In a preferred embodiment, each of the mounting boxes is equipped with an air supply pipe on its top, and there are several air supply pipes, which are respectively located at the bottom of the first and second perforated holes.

[0009] In a preferred embodiment, a four-way connector is provided at the end of the first delivery pipe away from the temperature control box, and extension pipes are respectively connected to both ends of the four-way connector. A three-way connector is also connected to the end of the four-way connector and the extension pipe away from the second delivery pipe.

[0010] In a preferred embodiment, the inner wall of the mounting box is equipped with a first conveying box, the surface of the first conveying box is equipped with a second conveying box, the three-way connector is connected to the first conveying box and the second conveying box respectively through connecting pipes, the top of the first conveying box is connected to a second conveying pipe, the second conveying pipe extends into the inner cavity of the air supply pipe, and a second solenoid valve is installed on the surface of the second conveying pipe.

[0011] In a preferred embodiment, a second cooling plate is installed on the side wall of the first conveyor box, a first guide plate is installed on the left side of the second cooling plate, a second guide plate is installed on the right side of the second cooling plate, and the second guide plate is located in the inner cavity of the second conveyor box.

[0012] In a preferred embodiment, the left side of the second conveying box is connected to an air outlet pipe, which extends through to the left side of the mounting box.

[0013] In a preferred embodiment, a heat sink is installed on the right side of the first cooling chip, and several heat sinks are provided; a guide frame is installed on the left side of the first cooling chip, and several guide frames are provided; and a heat dissipation mesh is embedded on the surface of the temperature control box.

[0014] In a preferred embodiment, the surface of the air supply duct is connected to a dispersion sleeve, and the dispersion sleeve is located on the right side of the first mounting plate. The surface of the dispersion sleeve is provided with dispersion holes, and a plurality of dispersion holes are provided.

[0015] The present invention provides a bidirectional inflatable pad for pressure measurement, the beneficial effects of which include: 1. By setting up components such as a first air cushion, a second air cushion, a first air supply tube, a second air supply tube, and a thin-film pressure sensor, the thin-film pressure sensor can detect and transmit the pressure on the patient's buttocks and the duration of pressure. When the first air cushion and the second air cushion are inflated through the first air supply tube and the second air supply tube, they support the patient's buttocks. The patient can move around by replacing or inflating the first air cushion or the second air cushion alone, which can prevent pressure sores from forming on the patient's buttocks.

[0016] 2. By setting up a temperature adjustment mechanism, air can be transported through the temperature adjustment mechanism, thereby reducing the temperature of the patient's buttocks when the air is discharged from the first and second perforations, which can prevent pressure sores from forming on the patient's buttocks due to elevated temperature. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort. Figure 1 This is a perspective view provided by an embodiment of the present invention; Figure 2 This is a schematic diagram of the three-dimensional cross-sectional structure of the inlay box provided in an embodiment of the present invention; Figure 3 A schematic diagram of the three-dimensional structure of the inlay box provided for an embodiment of the present invention; Figure 4 A schematic diagram of a partial three-dimensional cross-sectional structure of a temperature control box provided for an embodiment of the present invention; Figure 5 This is a schematic diagram of a partial three-dimensional cross-sectional structure of the mounting box provided in an embodiment of the present invention; Figure 6 A three-dimensional cross-sectional structural diagram of the first conveyor box provided for an embodiment of the present invention; In the diagram: 1. First inflatable cushion; 2. Second inflatable cushion; 3. Support plate; 4. First air supply pipe; 5. Second air supply pipe; 6. Embedding box; 7. Mounting box; 8. Fan; 9. Temperature control box; 10. Air supply pipe; 11. First conveying pipe; 12. First solenoid valve; 13. First mounting plate; 14. First cooling element; 15. Thin-film pressure sensor; 16. First perforated hole; 17. Second perforated hole; 18. Air supply pipe; 19. Four-way connector; 20. Extension pipe; 21. T-connector; 22. First conveying box; 23. Second conveying box; 24. Second conveying pipe; 25. Second solenoid valve; 26. Second cooling element; 27. First guide plate; 28. Second guide plate; 29. ​​Air outlet pipe; 30. Heat sink frame; 31. Guide frame; 32. Heat sink mesh; 33. Dispersion sleeve; 34. Dispersion hole. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Reference Figures 1-6 This invention provides a technical solution: a bidirectional inflatable pressure measurement pad, comprising a first inflatable pad 1, a second inflatable pad 2, and a support plate 3. The second inflatable pad 2 is disposed on the outer surface of the first inflatable pad 1. A first air supply pipe 4 is connected to the top of the first inflatable pad 1, and a second air supply pipe 5 is connected to the right side of the second inflatable pad 2. The support plate 3 is disposed at the bottom of the first inflatable pad 1 and the second inflatable pad 2. An mounting box 6 is disposed at the bottom of the support plate 3. An installation box 7 is installed inside the mounting box 6, and a blower 8 is installed at the bottom of the mounting box 6. The inner cavity of the mounting box 6 is equipped with a temperature adjustment mechanism, which allows the first air pad 1 or the second air pad 2 to replace the first air pad 1 and the second air pad 2 when they are being inflated, so that the patient's buttocks can move and the patient's buttocks can be prevented from being placed stably on the air pad for a long time, which could lead to pressure sores. It is worth noting that there are three sets of mounting boxes 7. Two sets of mounting boxes 7 are located at the bottom of the first air pad 1, and the other set is arranged in a "mountain" shape and located at the bottom of the second air pad 2.

[0020] Reference Figures 1-4In a preferred embodiment, a temperature adjustment mechanism is provided, comprising a temperature control chamber 9, an air supply duct 10, a first delivery pipe 11, a first solenoid valve 12, a first mounting plate 13, and a first cooling chip 14. The temperature control chamber 9 is installed at the bottom of the inner wall of the mounting box 6. The air outlet of the fan 8 is connected to the air supply duct 10, which extends into the inner cavity of the temperature control chamber 9. The first delivery pipe 11 is connected to the surface of the temperature control chamber 9, and the first solenoid valve 12 is installed on the surface of the first delivery pipe 11. The first mounting plate 13 is installed in the inner cavity of the temperature control chamber 9, and the air supply duct 10 extends to the left side of the first mounting plate 13. The surface of the first mounting plate 13 is inlaid with the first cooling chip 14, allowing the fan 8 to deliver air to the temperature control chamber 9, where the air is cooled by the first cooling chip 14 before being delivered. The first cooling chip 14 can be a semiconductor cooling chip, enabling the first cooling chip to achieve the desired cooling effect. When the device 14 is powered on, the cooling surface cools the air supplied to the temperature control box 9. The surface of the first air pad 1 has a first perforation 16, and there are several of the first perforation 16. The surface of the second air pad 2 has a second perforation 17, and there are several of the second perforation 17. The top of the mounting box 7 is equipped with an air supply pipe 18, and there are several air supply pipes 18. The air supply pipes 18 are located at the bottom of the first perforation 16 and the second perforation 17 respectively. The mounting box 7 located at the bottom of the first air pad 1 and the second air pad 2 can discharge the cooled air through the air supply pipes 18, so that the air is discharged from the first perforation 16 and the second perforation 17, thereby cooling the patient's buttocks. This can prevent the patient's buttocks from being on the surface of the first air pad 1 and the second air pad 2 for a long time, so as to prevent the patient's buttocks from developing pressure sores due to increased temperature and prolonged bed rest.

[0021] In addition, both the surface of the first inflatable pad 1 and the second inflatable pad 2 are provided with thin-film pressure sensors 15. Several thin-film pressure sensors 15 are provided. The thin-film pressure sensors 15 can be used to detect the pressure between the patient's buttocks and the first inflatable pad 1 and the second inflatable pad 2. The pressure on the patient's buttocks can be detected in real time through external devices. The pressure status of the patient's buttocks can be viewed in real time. Thus, by inflating the first inflatable pad 1 or the second inflatable pad 2 alone, the pressure on the patient's buttocks can be adjusted to move the patient's buttocks.

[0022] Reference Figures 1-6In a preferred embodiment, a four-way connector 19 is provided at the end of the second conveying pipe 24 away from the temperature regulating box 9. Both ends of the four-way connector 19 are connected to extension pipes 20, which can communicate with the mounting box 7 located at the bottom of the first air cushion 1, allowing for the dispersed delivery of cooled air. A three-way connector 21 is connected to the ends of the four-way connector 19 and extension pipes 20 away from the second conveying pipe 24. First conveying boxes 22 are installed on the inner walls of the mounting box 7, and second conveying boxes 23 are installed on the surface of the first conveying boxes 22. The three-way connector 21... The air is connected to the first delivery box 22 and the second delivery box 23 via connecting pipes. The air can be dispersed again through the three-way connector 21 to deliver the cooled air to the first delivery box 22 and the second delivery box 23. The top of the first delivery box 22 is connected to the second delivery pipe 24, which extends into the inner cavity of the air supply pipe 18. The surface of the second delivery pipe 24 is equipped with a second solenoid valve 25, which allows the air delivered to the first delivery box 22 to be delivered outward through the second delivery pipe 24 and then discharged through the air supply pipe 18, thereby cooling the patient's buttocks.

[0023] Reference Figures 1-6 In a preferred embodiment, a second cooling plate 26 is installed on the side wall of the first delivery box 22. A first guide plate 27 is installed on the left side of the second cooling plate 26, and a second guide plate 28 is installed on the right side of the second cooling plate 26. The second guide plate 28 is located in the inner cavity of the second delivery box 23, which allows the cooling surface of the second cooling plate 26 to diffuse through the first guide plate 27 during cooling. This allows air to enter the first delivery box 22 and then be cooled by the second cooling plate 26, improving the cooling effect on the patient's buttocks. The second guide plate 28 can dissipate heat from the heat dissipation surface of the second cooling plate 26 and improve the heat dissipation efficiency of the second cooling plate 26 through air circulation, avoiding affecting the normal heat dissipation and use of the second cooling plate 26. An air outlet pipe 29 is connected to the left side of the second delivery box 23 and extends to the left side of the mounting box 7, allowing the air used for heat dissipation to be discharged through the air outlet pipe 29.

[0024] Reference Figures 1-4 In a preferred embodiment, a heat sink 30 is installed on the right side of the first cooling chip 14, and several heat sinks 30 are provided. A guide frame 31 is installed on the left side of the first cooling chip 14, and several guide frames 31 are provided. The surface of the temperature control box 9 is inlaid with a heat dissipation mesh 32. The heat dissipation area of ​​the first cooling chip 14 can be increased by installing heat sinks 30 on the heat dissipation surface of the first cooling chip 14, thereby improving the heat dissipation efficiency of the first cooling chip 14. The guide frame 31 can diffuse the temperature of the cooling surface of the first cooling chip 14, thereby increasing the contact area with the air and improving the cooling efficiency of the air.

[0025] Reference Figures 1-4In a preferred embodiment, the surface of the air supply duct 10 is connected to a dispersion sleeve 33, and the dispersion sleeve 33 is located on the right side of the first mounting plate 13. The surface of the dispersion sleeve 33 is provided with dispersion holes 34, and a plurality of dispersion holes 34 are provided, which can disperse the air supplied by the air supply duct 10 through the dispersion holes 34 on the surface of the dispersion sleeve 33, thereby increasing the airflow velocity, dissipating heat on the first cooling chip 14, and discharging it through the heat dissipation mesh 32.

[0026] Specifically, the working process or principle of this pressure measurement bidirectional air-filled mattress is as follows: In use, the mounting box 6 can be installed into the matching hospital bed, or placed on the bed frame, and assembled with a mattress to a height flush with the bed. This ensures that when the patient lies on the bed, their buttocks are positioned on the first air-filled mattress 1 and the second air-filled mattress 2. Inflating the first air-filled mattress 1 and the second air-filled mattress 2 provides support to the patient's buttocks. The thin-film pressure sensors 15 on the surfaces of the first air-filled mattress 1 and the second air-filled mattress 2 detect the pressure on the patient's buttocks. If excessive pressure is detected on the outer side of the patient's buttocks, the second air-filled mattress 2 can be deflated. The first inflatable pad 1 provides individual support for the patient's buttocks, relieving pressure on both sides of the buttocks. After the second inflatable pad 2 is deflated, the patient's buttocks can move. In conjunction with the first perforation 16 and the second perforation 17, the pressure on the patient's buttocks can be distributed. This allows the first inflatable pad 1 to relieve pressure on the patient's buttocks when used alone. When the membrane pressure sensor 15 detects excessive pressure in the middle of the patient's buttocks, the second inflatable pad 2 is inflated and the first inflatable pad 1 is deflated, allowing the second inflatable pad 2 to support the patient's buttocks. The pressure on the patient's buttocks can be relieved by alternating between the first inflatable pad 1 and the second inflatable pad 2.

[0027] When the weather is hot, prolonged bed rest can cause the patient's buttocks to become hot. By energizing the fan 8, the first cooling element 14, and the second cooling element 26, the fan 8 draws air into the temperature control box 9. The first cooling element 14 then cools the air. After cooling, the air is transported through the second delivery pipe 24, the four-way connector 19, and the three-way connector 21 to the first delivery box 22 and the second delivery box 23. The air in the first delivery box 22 is cooled by the second cooling element 26 before being transported, allowing it to be blown out through the second delivery pipe 24 and then into… The air enters through the first perforated hole 16 and the second perforated hole 17, allowing the cooled air to be blown towards the patient's buttocks. This cools the patient's buttocks and prevents them from becoming too hot due to prolonged bed rest, which could lead to pressure sores. During air delivery, the air is dispersed by the dispersion hole 34 and dissipates heat from the heat dissipation surfaces of the heat sink 30 and the first cooling plate 14. The air entering the second delivery box 23 dissipates heat from the heat dissipation part of the second cooling plate 26. This air circulation effectively relieves pressure and temperature on the patient's buttocks and helps prevent pressure sores.

Claims

1. A bidirectional inflatable pad for pressure measurement, comprising a first inflatable pad (1), a second inflatable pad (2), and a support plate (3), characterized in that: The second air cushion (2) is disposed on the outer surface of the first air cushion (1). The top of the first air cushion (1) is connected to the first air supply pipe (4), and the right side of the second air cushion (2) is connected to the second air supply pipe (5). The support plate (3) is disposed at the bottom of the first air cushion (1) and the second air cushion (2). The bottom of the support plate (3) is provided with an inlay box (6). The inner cavity of the inlay box (6) is equipped with an installation box (7). The bottom of the inner cavity of the inlay box (6) is equipped with a fan (8). The inner cavity of the inlay box (6) is provided with a temperature adjustment mechanism. The temperature adjustment mechanism includes: Temperature control box (9), the temperature control box (9) is installed at the bottom of the inner wall of the inlay box (6), the air outlet of the fan (8) is connected to the air supply pipe (10), and the air supply pipe (10) penetrates into the inner cavity of the temperature control box (9); The first delivery pipe (11) is connected to the surface of the temperature control box (9), and a first solenoid valve (12) is installed on the surface of the first delivery pipe (11). The first mounting plate (13) is installed in the inner cavity of the temperature control box (9), and the air supply pipe (10) extends to the left side of the first mounting plate (13). The surface of the first mounting plate (13) is inlaid with a first cooling chip (14).

2. The bidirectional inflatable pad for pressure measurement according to claim 1, characterized in that, Both the first inflatable pad (1) and the second inflatable pad (2) are provided with thin film pressure sensors (15), and there are several thin film pressure sensors (15).

3. The bidirectional inflatable pad for pressure measurement according to claim 1, characterized in that, The surface of the first air cushion (1) is provided with a first hollow hole (16), and there are several first hollow holes (16). The surface of the second air cushion (2) is provided with a second hollow hole (17), and there are several second hollow holes (17).

4. The bidirectional inflatable pad for pressure measurement according to claim 3, characterized in that, The top of each of the mounting boxes (7) is equipped with an air supply pipe (18), and there are several air supply pipes (18). The air supply pipes (18) are located at the bottom of the first hollow hole (16) and the second hollow hole (17).

5. The bidirectional inflatable pad for pressure measurement according to claim 1, characterized in that, The first delivery pipe (11) is provided with a four-way connector (19) at the end away from the temperature control box (9). The two ends of the four-way connector (19) are respectively connected to extension pipes (20), and the ends of the four-way connector (19) and extension pipes (20) away from the second delivery pipe (24) are connected to a three-way connector (21).

6. The bidirectional inflatable pad for pressure measurement according to claim 5, characterized in that, The inner wall of the mounting box (7) is equipped with a first conveying box (22), and the surface of the first conveying box (22) is equipped with a second conveying box (23). The three-way connector (21) is connected to the first conveying box (22) and the second conveying box (23) respectively through a connecting pipe. The top of the first conveying box (22) is connected to a second conveying pipe (24), and the second conveying pipe (24) extends into the inner cavity of the air supply pipe (18). The surface of the second conveying pipe (24) is equipped with a second solenoid valve (25).

7. A bidirectional inflatable pad for pressure measurement according to claim 6, characterized in that, The first conveying box (22) has a second cooling plate (26) installed on its side wall. The second cooling plate (26) has a first guide plate (27) installed on its left side and a second guide plate (28) installed on its right side. The second guide plate (28) is located in the inner cavity of the second conveying box (23).

8. A bidirectional inflatable pad for pressure measurement according to claim 6, characterized in that, The left side of the second conveying box (23) is connected to an air outlet pipe (29), which extends through to the left side of the mounting box (7).

9. A bidirectional inflatable pad for pressure measurement according to claim 1, characterized in that, A heat sink (30) is installed on the right side of the first cooling chip (14), and there are several heat sinks (30). A guide frame (31) is installed on the left side of the first cooling chip (14), and there are several guide frames (31). A heat dissipation mesh (32) is embedded on the surface of the temperature control box (9).

10. A bidirectional inflatable pad for pressure measurement according to claim 1, characterized in that, The surface of the air supply pipe (10) is connected to a dispersion sleeve (33), and the dispersion sleeve (33) is located on the right side of the first mounting plate (13). The surface of the dispersion sleeve (33) is provided with dispersion holes (34), and there are several dispersion holes (34).

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