Chest strap airbag compression bandage device

Abstract

This invention discloses a chest strap-type airbag compression bandaging device, relating to the field of medical device technology. The airbag compression bandaging device includes a chest protector and shoulder straps. The chest protector has two shoulder straps and also includes an airbag unit. The airbag unit includes a miniature canister. Multiple miniature canisters are evenly distributed on the chest protector, and multiple airbag components are evenly distributed within the chest protector. Each miniature canister's air outlet is connected to a set of airbag components. Each airbag component includes an airbag body. Multiple airbag bodies are evenly distributed on the chest protector, and each airbag component is interconnected with the airbag body via connecting tubes. By evenly distributing the airbag bodies, compression bandaging is applied to different parts of the patient's chest, allowing for compression bandaging of different surgical sites without creating pressure spikes in any single airbag body under compression, thus preventing ischemia in the compressed areas.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically a chest strap-type airbag compression bandage device. Background Technology

[0002] As is generally known, breast surgery is primarily used to treat breast cancer. Common surgical methods include breast-conserving surgery, total mastectomy, and modified radical mastectomy. After breast surgery, there is often significant fluid leakage, so drainage tubes are needed to maintain negative pressure in the surgical area to help drain the fluid. Currently, the most common compression bandaging method after breast surgery is traditional gauze bandage, which involves wrapping the breast in a circular motion. However, this method has two drawbacks: firstly, the gauze bandage is prone to loosening, failing to provide adequate pressure; secondly, the tight, inelastic bandages cause poor patient comfort. Another method is elastic bandage, where rolled-up elastic bandages are wrapped in a circular motion around the breast. This method is prone to loosening when the patient breathes or coughs, weakening the pressure, and the tightness is difficult to control; overly tight bandages can cause skin flap ischemia and necrosis. Medical materials (gauze, bandages, etc.) are also problematic. High consumption is not conducive to reducing medical costs; finally, medical chest bandage compression is adopted. The use of medical chest bandage compression (also known as chest bandage airbag compression) is increasing in clinical practice. A medical chest bandage is a vest-style chest bandage with a local ring-shaped wide bandage, which is attached to the chest by folding back the two long shoulder straps. This bandage method is comfortable, economical and durable, and easy for patients to accept. Compression bandage methods are constantly being updated. The emergence of pressure bras has made postoperative compression bandage more portable and comfortable.

[0003] For example, the patent entitled "A Device for Pressure Bandaging after Great Saphenous Vein Stripping" published on September 17, 2024, with announcement number CN221712518U, discloses a device for pressure bandaging after great saphenous vein stripping, which relates to the field of medical device technology. It includes a base band, a bandage fixedly connected to the top of the base band, a pressure sensor disposed inside the bandage, a display disposed on the side of the bandage near the pressure sensor, an air inlet pipe fixedly connected to the bottom of the bandage, an airtight core fixedly connected to the end of the air inlet pipe, and a sealing cap threadedly connected to the outer surface of the airtight core. This patented design incorporates a bandage that wraps around the wound. An external air supply device connected to an airtight core pressurizes the bandage, allowing for precise measurement of the standard air pressure via a monitor. The internal air pressure can then be adjusted according to the patient's comfort level. This ensures the bandage won't fall off automatically and maintains a comfortable dressing position for the patient.

[0004] The shortcoming of the existing technology is that the chest bandage compression method applies pressure to the surgical site through an airbag. The airbag compresses and supports the surgical site by inflation. The gas inside the airbag generates pressure peaks under the compression. The high pressure inside the airbag can cause local skin ischemia or blistering, which can affect the recovery of the patient's surgical site. Summary of the Invention

[0005] The purpose of this invention is to provide a chest strap-type airbag compression bandage device to solve the technical problems in related technologies.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a chest strap-type airbag compression bandaging device, comprising a chest protector and shoulder straps, wherein the chest protector is provided with two shoulder straps and also includes an airbag unit, wherein the airbag unit includes a miniature canister, wherein multiple miniature canisters are evenly arranged on the chest protector, and multiple airbag assemblies are evenly arranged inside the chest protector, wherein each of the miniature canisters is connected to a set of airbag assemblies at its air outlet, wherein each airbag assembly includes an airbag body, wherein multiple airbag bodies are evenly arranged on the chest protector, and each airbag assembly is interconnected with the airbag body through a connecting tube.

[0007] As mentioned above, the air inlet ends of each of the miniature tanks are connected through an air inlet pipe, and a miniature electric air pump is installed on the chest protector, with the output end of the miniature electric air pump connected to the air inlet pipe.

[0008] The aforementioned chest protector is made of high-strength, breathable, and elastic fabric, and is a vest-style chest strap with a back zipper.

[0009] The two shoulder straps on the aforementioned chest protector are Velcro fasteners.

[0010] As mentioned above, the chest protector is provided with an observation window at each of its two pointed ends for observing the inside of the chest protector.

[0011] As described above, the airbag assemblies in each group are arranged in a ring structure inside the chest protector with the observation window as the center, and the centers of the circles of the airbag assemblies in each group are the same.

[0012] As described above, the middle part of the two outermost sets of airbag assemblies inside the chest protector is divided into three independent series airbags through three air inlet valves. The outermost airbag assembly inside the chest protector and the adjacent airbag assembly are all operated by three air inlet valves. Each of the three independent series airbags in the same set is connected to a branch pipe, and the three branch pipes on the three independent series airbags in the same set are interconnected with the same miniature tank.

[0013] As described above, the central airbag assembly inside the chest protector is divided into two independent series airbags by two air inlet valves. Each of the two independent series airbags on the central airbag assembly inside the chest protector is connected to a branch pipe, and each of the two independent series airbags is connected to the same miniature tank for mutual communication.

[0014] As mentioned above, the two innermost sets of airbag components inside the chest protector are respectively connected to their corresponding miniature tanks.

[0015] As described above, the chest protector is equipped with a pressure sensor that detects the pressure of the airbag assembly, and a microcontroller is installed between the air inlet pipe of each of the connected micro canisters and the micro electric air pump.

[0016] The beneficial effects of this invention are as follows: After a patient undergoes breast surgery, medical staff wear a chest strap-type airbag on the patient's chest, ensuring that the airbag components on the chest strap are pressed tightly against the patient's chest. Then, a miniature canister introduces gas into the airbag components. Because the airbag bodies are interconnected via connecting tubes, each airbag is filled with gas, allowing the airbag body to provide support and pressure bandaging for the patient's chest. By evenly distributing the airbag bodies to apply pressure bandaging to different parts of the patient's chest, pressure bandaging can be applied to different surgical sites. Furthermore, the interconnectedness of the airbag bodies prevents pressure spikes from forming in any single airbag, thus preventing ischemia in the compressed areas. After applying pressure bandaging, the airbag body keeps local tissues and skin tightly adhered, effectively stopping bleeding from small blood vessels, wounds, and oozing. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 This is a partial three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the airbag unit of the present invention in planar unfolded form.

[0020] Figure 3 This is a schematic diagram of the planar unfolded structure of the airbag unit on one side of the chest protector of the present invention;

[0021] Figure 4 For the present invention Figure 3 A magnified schematic diagram of the structure at point M;

[0022] Figure 5 This is a partial cross-sectional structural diagram illustrating the clearance between the connecting pipe and the branch pipe when they intersect, according to the present invention.

[0023] Figure 6 A schematic diagram of a partially planar unfolded structure according to another embodiment of the present invention;

[0024] Figure 7 For the present invention Figure 6 A magnified schematic diagram of the structure at point N;

[0025] Figure 8 This is a schematic diagram of the installation structure of the floating component of the present invention within the sealed shell;

[0026] Figure 9 This is a partial cross-sectional structural diagram showing the floating component in an expanded state when the air pressure inside the airbag assembly and the sealing shell of the present invention reaches equilibrium.

[0027] Figure 10 This is a partial cross-sectional schematic diagram of the structure of the floating component in an inflated state after the airbag assembly is squeezed during patient inhalation according to the present invention.

[0028] Figure 11 This is a cross-sectional structural diagram showing the installation positions of various components inside the auxiliary plate of the present invention;

[0029] Figure 12 A schematic cross-sectional view of the flexible plate in a planar state in another embodiment of the present invention;

[0030] Figure 13 For the present invention Figure 12 A magnified schematic diagram of the structure at point P;

[0031] Figure 14 This is a partial cross-sectional schematic diagram of the flexible plate in an expanded state when the air pressure inside the airbag assembly and the sealing shell of the present invention reaches equilibrium.

[0032] Figure 15 This is a partial cross-sectional structural diagram of the threaded rod in this invention, which can adjust the elasticity of the flexible plate.

[0033] Figure 16 This is a schematic diagram of the mounting structure of the mounting shaft and the spring coil spring of the present invention.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Chest protector; 2. Miniature tank; 3. Airbag body; 4. Connecting tube; 5. Observation window; 6. Inlet tube; 7. Miniature electric air pump; 8. Microcontroller; 9. Inlet valve; 10. Branch tube; 11. Air delivery tube; 12. Sealing shell; 13. Auxiliary plate; 14. Passive rack; 15. Sealing plate; 16. Transmission gear; 17. Floating rod; 18. Tooth; 19. Floating ring; 20. Hollow groove; 21. Mounting shaft; 22. Spring coil; 23. Floating component; 24. Flexible plate; 25. Elastic component; 26. Threaded rod; 27. Pushing plate; 28. Clamping plate; 29. ​​Sleeve; 30. Locking block; 31. Baffle; 32. Insert rod; 33. Slot. Detailed Implementation

[0036] To enable those skilled in the art to better understand the technical solution of the present invention, the following will be described in conjunction with the appendix. Figure 1 To be continued Figure 16 The present invention will now be described in further detail.

[0037] One embodiment of the present invention relates to a chest strap type airbag compression bandaging device, including a chest protector 1 and shoulder straps. The chest protector 1 is provided with two shoulder straps and also includes an airbag unit. The airbag unit includes a miniature canister 2. A plurality of miniature canisters 2 are evenly arranged on the chest protector 1. A plurality of airbag assemblies are evenly arranged inside the chest protector 1. Each air outlet of the miniature canister 2 is connected to a set of airbag assemblies. The airbag assembly includes an airbag body 3. A plurality of airbag bodies 3 are evenly arranged on the chest protector 1. Each airbag assembly is interconnected with the airbag body 3 through a connecting tube 4.

[0038] Specifically, airbag compression bandaging is a medical device used to apply pressure to the surgical site of a patient. A chest strap-type airbag compression bandaging device is a medical device used to apply pressure to the chest of a patient undergoing breast surgery. The chest protector 1 is made of high-strength, breathable, and elastic fabric. The chest protector 1 is a vest-style chest strap with a back zipper. The two shoulder straps on the chest protector 1 have a Velcro closure. The chest protector 1 is vest-shaped, and the front end has two arc-shaped protrusions that conform to the breast. Each of the two pointed ends of the chest protector 1 is equipped with a device for observing the chest. The chest protector 1 has two observation windows 5 inside, positioned in the center of the arc-shaped protrusion. These windows are respectively adapted to the two nipples, allowing for observation of wound healing. Multiple miniature canisters 2 are evenly distributed on the chest protector 1. These miniature canisters 2 are pressure-stabilizing devices that maintain constant gas pressure. They buffer system pressure fluctuations within the airbag body 3, eliminating the impact of pressure fluctuations on the airbag body 3, thus stabilizing and unloading the airbag body 3. The miniature canisters are capable of pressure stabilization. Gas supply and exhaust are common knowledge in the field and will not be elaborated upon. Multiple airbag assemblies are evenly arranged inside the chest protector 1. Each micro-canister 2 has an air outlet connected to a set of airbag assemblies. Each airbag assembly includes an airbag body 3. Multiple airbag bodies 3 are evenly arranged on the chest protector 1. Airbag assemblies in the same group are annular structures where multiple airbag bodies 3 are interconnected via connecting tubes 4. Each airbag assembly is interconnected with the airbag body 3 via connecting tubes 4. The airbag assemblies in each group are arranged in annular structures inside the chest protector 1 with the observation window 5 as the center. The airbag components have the same center, and the layout of the airbag body 3 is a ring connection with the observation window 5 as the center, so that the airbag body 3 can be evenly spread on the patient's chest. The airbag body 3 is made of medical-grade silicone or TPU to ensure flexibility and hypoallergenicity, so as to ensure the safety of the patient during use. The air inlet of each of the miniature canisters 2 is connected through the air inlet pipe 6. The chest protector 1 is equipped with a miniature electric air pump 7. The miniature electric air pump 7 can be worn on the chest protector 1 or placed next to the hospital bed. The output end of the miniature electric air pump 7 is connected to the air inlet pipe 6.The chest protector 1 is equipped with a pressure sensor (not shown in the figure) that detects the pressure of the airbag assembly. A microcontroller 8 is installed between the air inlet pipe 6 of each of the connected miniature tanks 2 and the miniature electric air pump 7. After breast surgery, medical staff put the chest strap-type airbag on the patient's chest, ensuring the airbag assembly is firmly against the patient's chest. Once the airbag assembly is in position against the patient's chest, the medical staff activates the microcontroller 8 (also known as an MCU, which is a reduced-frequency and reduced-specification central processing unit with integrated memory, counters, USB, A / D converter, UART, PLC, DMA, and other peripheral interfaces). Even the LCD driving circuit is integrated on a single chip, forming a chip-level computer. The microcontroller 8 can be controlled via a mobile phone, which is common knowledge in the field and will not be elaborated further. Medical staff use their mobile phones and the microcontroller 8 to start the miniature electric air pump 7 (the miniature electric air pump 7 is a power device that uses gas as the working medium. It uses a motor to drive a mechanical device to make the diaphragm reciprocate, compressing or stretching the air in the pump chamber to form a pressure difference, thereby realizing the function of suction or exhaust. The ability of the miniature electric air pump 7 to perform suction and exhaust is common knowledge in the field and will not be elaborated further) to deliver gas (preferably nitrogen) into the miniature tank 2. Then, the gas in the miniature tank 2 enters the air bag. Within the assembly, the gas from each of the different miniature canisters 2 enters the airbag assembly connected to it. Since the airbag bodies 3 are interconnected via connecting tubes 4, the different miniature canisters 2 inflate and compress the airbag bodies 3 at different locations, inflating the airbag bodies 3 at the areas requiring pressure bandaging. This ensures that all inflated airbag bodies 3 are filled with gas, providing support and pressure bandaging for the patient's area. When the pressure sensor (a pressure sensor is a sensing electronic device that converts pressure signals into electrical signals) detects that the chest compression pressure has reached the specified pressure (the safe pressure range for the airbag body 3 is 20-30 mmHg), [the pressure is released]. The pressure sensor transmits the monitored pressure to the microcontroller 8. The microcontroller 8 then stops the air supply to the airbag body 3 via the micro electric air pump 7 and the micro tank 2. In this application, the evenly distributed airbag bodies 3 apply pressure dressing to different parts of the patient's chest, enabling pressure dressing of different surgical sites. Furthermore, the airbag bodies 3 are interconnected, preventing pressure spikes in any single airbag body 3 under compression, thus avoiding ischemia in the compressed area. After applying pressure dressing, the airbag bodies 3 ensure that local tissues and skin adhere tightly together, effectively stopping bleeding from small blood vessels, wounds, and oozing.

[0039] The shortcoming of the existing technology is that the chest bandage compression method applies pressure to the surgical site through an airbag. The airbag compresses and supports the surgical site by inflation. The gas inside the airbag generates pressure peaks under the compression. The high pressure inside the airbag can cause local skin ischemia or blistering, which can affect the recovery of the patient's surgical site.

[0040] The beneficial effects of this embodiment are as follows: After a patient undergoes breast surgery, medical staff wear a chest strap-type airbag on the patient's chest, ensuring that the airbag components on the chest strap are pressed tightly against the patient's chest. Then, the miniature canister 2 introduces gas into the airbag components. Since the airbag bodies 3 are interconnected through connecting tubes 4, each airbag body 3 is filled with gas, allowing the airbag body 3 to provide support and pressure bandaging for the patient's chest. By evenly distributing the airbag bodies 3 to apply pressure bandaging to different parts of the patient's chest, pressure bandaging can be applied to different surgical sites. Furthermore, since the airbag bodies 3 are interconnected, there is no pressure spike in any one airbag body 3 under compression, thus preventing ischemia in the compressed areas. After applying pressure bandaging to the patient, the airbag bodies 3 can keep the local tissues and skin tightly adhered together, which can stop bleeding from small blood vessels, bleeding, and wound oozing.

[0041] In another embodiment of the present invention, each group of airbag assemblies is arranged in a concentric circle structure with the observation window 5 as the center to adapt to the patient's chest shape. The middle part of the two outermost groups of airbag assemblies inside the chest protective cover 1 is divided into three independent series airbags by three air inlet valves 9. The outermost airbag assembly inside the chest protective cover 1 and the adjacent airbag assembly are all operated by three air inlet valves 9. Each of the three independent series airbags in the same group is connected to a branch tube 10. The three branch tubes 10 on the three independent series airbags in the same group are connected to the same micro The miniature tanks 2 are interconnected; the central set of airbags in the chest protector 1 is divided into two independent series airbags by two air inlet valves 9. Each of the two independent series airbags in the central set of airbags in the chest protector 1 is connected to a branch pipe 10, and each of the two independent series airbags is connected to the same miniature tank 2. The two innermost sets of airbags in the chest protector 1 are interconnected with their corresponding miniature tanks 2. Each branch pipe 10 is arranged to bypass other branch pipes 10 or connecting pipes 4.

[0042] Specifically, such as Figure 2 , Figure 3 , Figure 4 as well as Figure 5As shown, since patients undergo breast surgery at different surgical sites, it is necessary to adapt the pressure bandaging positions to the different surgical sites. Therefore, it is necessary to inflate and compress the airbags at different sites. The entire airbag unit is preferably a structure of five concentric rings. The five airbag components are all concentric circles centered on the observation window 5. Each branch pipe 10 is equipped with a branch valve (the branch valve is a valve used to control the flow, pressure, flow rate, and direction of the gas medium, and can control the opening and closing of each branch pipe 10). The two outermost airbag components (that is, the two airbag components farthest from the observation window 5) are connected to three air inlet valves 9 in the middle (the air inlet valves 9 are valves used to control the flow, pressure, flow rate, and direction of the gas medium, and can control the opening and closing of each branch pipe 10). The air valve 9 can open and close the connecting tube 4 (this is common knowledge in the field and will not be elaborated). The airbag assembly is divided into three independent series airbags on the connecting tube 4. The two sets of airbag assemblies are provided with a total of six air inlet valves 9. The six air inlet valves 9 are respectively installed on the six connecting tubes 4, so that the six air inlet valves 9 can divide the two sets of airbag assemblies into six independent series airbags. Thus, the miniature tank 2 can accommodate different independent series airbags. The airbag assembly in the middle of the chest protector 1 is divided into two independent series airbags through two air inlet valves 9. Each of the two independent series airbags in the airbag assembly in the middle of the chest protector 1 is connected to a branch tube 10. Each of the two independent series airbags is connected to a branch tube 10 and communicates with the same miniature tank 2.The two innermost sets of airbag components inside the chest protector 1 are interconnected with their corresponding miniature canisters 2. Each branch tube 10 is arranged to bypass other branch tubes 10 or connecting tubes 4. Each branch tube 10 is arranged to bypass other branch tubes 10 or connecting tubes 4. The airbag components are divided into series airbags of different areas by each air inlet valve. Each miniature canister 2 can deliver air to the branch tube 10 it is connected to. By setting different sections of the airbag body 3, the airbag body 3 can be adapted to the parts of breast surgery (such as the sternal area, intercostal area, and axillary area). After the patient's breast surgery is completed, the medical staff starts the miniature electric air pump 7 through the mobile phone and microcontroller 8 to deliver gas to the miniature canister 2. Then the gas in the miniature canister 2 is passed through... Branch tubes 10 deliver air to different independent tandem balloons, allowing the balloon body 3 to inflate at the locations requiring postoperative pressure bandaging. This enables the balloon body 3 to apply pressure to the patient's surgical sites, allowing for pressure bandaging of various surgical areas. The pressure bandage ensures that local tissues and skin adhere tightly together, effectively stopping bleeding from small blood vessels, wounds, and oozing. Furthermore, after breast surgery, higher pressure can be applied to specific high-risk areas (such as areas with local defects after breast-conserving surgery), while lower pressure can be applied to the rib area, allowing for precise control of pressure bandaging at different locations.

[0043] In another embodiment provided by the present invention, such as Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 as well as Figure 16As shown, due to prolonged use and constant compression of the patient, the airbag body 3 may experience slow air leakage. Furthermore, the pressure exerted on the airbag assembly by the miniature canister 2 is unstable. The large size of the miniature canister 2 also affects the wearing of the chest protector 1, and it causes significant compression to the patient's chest. In this application, each miniature canister 2 is replaced with an air replenishment unit. Multiple air delivery tubes 11 are evenly connected to the air inlet tube 6. Preferably, there are five air delivery tubes 11 on one side of the chest protector 1. The air replenishment unit includes a sealing shell 12. Each end of the air supply pipe 11 is connected to a sealing shell 12. Each sealing shell 12 is connected to a branch pipe 10 of each airbag assembly. An auxiliary plate 13 is provided inside the sealing shell 12. A passive rack 14 is slidably mounted on the auxiliary plate 13 near the end of the air supply pipe 11. A sealing plate 15 is mounted on the passive rack 14. The sealing plates 15 are respectively sealed to their corresponding air supply pipes 11. A transmission gear 16 is rotatably mounted in the middle of the auxiliary plate 13. The transmission gear 16 and its corresponding passive rack 14 are meshed with each other. The auxiliary plate 13 is located away from the passive rack. A floating rod 17 is slidably mounted on one side of the rack 14. Multiple teeth 18 are evenly mounted on the floating rod 17, and each tooth 18 meshes with its corresponding transmission gear 16. Two baffles 31 are symmetrically mounted in the middle of the floating rod 17. A floating ring 19 is slidably and sealed within the gap between the two baffles 31. The floating ring 19 moves synchronously with the floating rod 17. Hollow grooves 20 are symmetrically formed on the two side walls of the sealing shell 12. A mounting shaft 21 is rotatably mounted in each of the two hollow grooves 20 on the same sealing shell 12. The outer sides of both ends of the mounting shaft 21... A spring coil 22 is installed, and each spring coil 22 is connected to a corresponding position in the hollow groove 20. A floating component 23 is installed in the middle of the mounting shaft 21. The ends of the floating components 23 are connected to each other, and the floating components 23 on both sides are evenly and sealingly connected to the floating ring 19. The sides of the floating components 23 are slidably and sealingly connected to the sides of the sealing shell 12. A sleeve 29 is provided on the top side inside the sealing shell 12. A locking block 30 is provided inside the sleeve 29. The floating rod 17 and the sleeve 29 are slidably installed together. The floating rod 17 is provided with a groove that matches the locking block 30.

[0044] Specifically, after the patient's breast surgery is completed, medical staff use a mobile phone and a microcontroller 8 to activate a miniature electric air pump 7, which delivers gas through the gas delivery tube 11 into the sealing shell 12. The gas delivered in the gas delivery tube 11 pushes the sealing plate 15, causing the sealing plate 15 to release the seal on the air inlet of the gas delivery tube 11. This allows the gas to push the sealing plate 15 to slide away from the gas delivery tube 11. The sealing plate 15 then drives the passive rack 14 to slide upward on the auxiliary plate 13 (that is, the sealing plate 15 and the passive rack 14 slide away from the air inlet of the gas delivery tube 11). Due to the passive rack 14... The driven rack 14 meshes with the transmission gear 16, and each tooth 18 is respectively meshed with its corresponding transmission gear 16, so that the driven rack 14 drives the transmission gear 16 to rotate. The transmission gear 16 drives the floating rod 17 to slide downward (that is, the floating rod 17 slides towards the air inlet end near the air inlet of the air supply pipe body 11) through the teeth 18. This causes the floating rod 17 to drive the floating ring 19 to slide downward. The floating ring 19 drives the floating component 23 to move downward. Since the gas enters the sealing shell 12 from the air supply pipe body 11, and then the gas in the sealing shell 12 is transported to the airbag assembly through the branch pipe 10, as the gas continuously enters... After entering the sealed shell 12, once the airbag body 3 is filled with gas, the gas inside the sealed shell 12 gradually increases, causing the gas to push the floating component 23 (a roll of material capable of being wound and unwound; the floating component 23 is lightweight and can be blown by the gas) upwards. This causes the floating component 23 to gradually unwind, which in turn drives the mounting shaft 21 to rotate. The mounting shaft 21 then drives the spring coil 22 (the spring coil 22 is a mechanical element that stores elastic potential energy through coiling; the ability of the spring coil 22 to store and release elastic potential energy through coiling is common knowledge in the art and will not be elaborated upon). The rotation of the spring causes the coil spring 22 to be in an energy storage state. Simultaneously, the floating component 23 drives the floating ring 19 to move upward. After the floating ring 19 and the baffle 31 on the upper side of the floating rod 17 are pressed together, the floating ring 19 drives the floating rod 17 to move upward through the baffle 31 until the groove on the floating rod 17 slides to the position of the locking block 30 on the sleeve 29 (the locking block 30 is a deformable bearing component made of rubber material), so that the locking block 30 and the groove on the floating rod 17 are mutually adapted (that is, the locking block 30 is located inside the groove), so that the locking block 30 can perform positioning operations on the floating rod 17 through the groove (e.g., Figure 9As shown), synchronously, the floating ring 19 and the floating rod 17 drive the transmission gear 16 to rotate via the teeth 18. The transmission gear 16 drives the passive rack 14 to slide downward on the auxiliary plate 13. The passive rack 14 drives the sealing plate 15 to move downward, so that the sealing plate 15 seals the air inlet of the air supply pipe 11. At this time, the microcontroller 8 detects the sealing of the air supply pipe 11 by the sealing plate 15. As those skilled in the art will know, the microcontroller 8 can monitor the movement of the sealing plate 15 in real time by using a displacement sensor (the displacement sensor converts the displacement of an object relative to a reference point into an electrical signal through different measuring elements to realize position monitoring and control). The microcontroller 8 controls the microcontroller to... The electric air pump 7 stops supplying air (similarly, when the sealing plate 15 releases the seal on the air supply pipe 11, the microcontroller 8 controls the micro electric air pump 7 to perform air supply operations), so that the air supply pipe 11 no longer supplies gas to the sealing shell 12. At this time, the air supply pipe 11 does not need to supply air to the sealing shell 12. At this time, the mechanical potential energy stored in the spring coil 22 and the air pressure in the airbag assembly reach a balance, so there is no need to supply air to the sealing shell 12. Instead, the air pressure generated by the floating part 23 in the sealing shell 12 when it floats (or expands) continuously provides air pressure to the airbag assembly, so that the air pressure in the airbag assembly remains constant (the air pressure is approximately 26 mmHg). However, when the airbag body 3 of the airbag assembly leaks... As the air pressure inside the airbag body 3 gradually decreases, when it drops below 10 mmHg, the float 23 moves downward within the sealed shell 12 due to the reduced air pressure and the rebound of the spring 22. The float 23 drives the floating ring 19 downward along the outer wall of the floating rod 17. Because of the gap between the floating ring 19 and the baffle 31, the floating ring 19 only moves to a position where it abuts against the baffle 31 at the bottom of the floating rod 17 when the float 23 is pulled to a planar position. The floating rod 17 does not slide under the positioning action of the locking block 30 and the groove. The float 23 only moves downward after the internal air pressure of the airbag assembly drops to 5 mmHg, allowing the float to... 23 drives the floating rod 17 to slide downwards via the floating ring 19 and baffle 31, causing the groove on the floating rod 17 to slide out of the locking block 30 on the sleeve 29, thus disengaging the locking block 30 and the groove. Simultaneously, the floating rod 17 drives the transmission gear 16 to rotate via the teeth 18. The transmission gear 16 drives the transmission rack to slide upwards, which in turn drives the sealing plate 15 to move upwards. This causes the sealing plate 15 to release the seal on the air inlet of the air supply pipe 11, allowing the air supply pipe 11 to deliver gas to the sealing shell 12 and the airbag assembly, thereby increasing the air pressure inside the airbag assembly. When the air pressure inside the airbag assembly reaches 26 mmHg, the floating component 23 is in an upward state, and the floating component 23 can drive the floating ring 19 and the floating rod 17 to move upwards.The floating ring 19 and floating rod 17 drive the transmission gear 16 to rotate via the teeth 18. The transmission gear 16 drives the passive rack 14 to slide downwards on the auxiliary plate 13. The passive rack 14 drives the sealing plate 15 to move downwards, causing the sealing plate 15 to seal the air inlet of the gas delivery tube 11. This prevents gas from being delivered from the gas delivery tube 11 to the sealing shell 12, thus enabling the replenishment of gas to the airbag assembly. Repeating this operation allows for intermittent gas delivery to the airbag assembly, ensuring that the air pressure inside the airbag assembly remains constant, thereby improving the stability of the airbag assembly in applying pressure to the patient.

[0045] Because the airbag assembly, sealing shell 12, branch tube 10, sealing plate 15, and float 23 are combined into a sealed space, the expansion of the float 23 can provide a constant air pressure inside the airbag assembly. However, it affects the thoracic cavity when the patient inhales and exhales. That is, the thoracic cavity expands when the patient inhales deeply and contracts when exhaling. When the patient inhales, the thoracic cavity expands. Affected by the expansion of the thoracic cavity, the air pressure inside the airbag body 3 located at the thoracic cavity position on the chest protector 1 rises sharply. The gas inside the airbag enters the sealing shell 12 through the branch tube 10, increasing the air pressure inside the sealing shell 12. The increased air pressure inside the sealing shell 12 will exert secondary compression on the float 23, causing the float 23 to continue to expand (e.g., Figure 10 As shown, the floating component 23 can buffer the increase in air pressure on the airbag assembly caused by the expansion of the chest cavity during the patient's deep inhalation. When the patient inhales and then exhales, the patient's chest cavity contracts, reducing the compression of the airbag assembly. This requires an increase in air pressure inside the airbag assembly. At this time, the floating component 23 contracts, allowing it to deliver gas from the sealed shell 12 into the airbag assembly, thus replenishing the air inside the airbag assembly and simultaneously increasing the air pressure inside the airbag assembly. This achieves synchronized adjustment of the air pressure inside the airbag body 3 with the patient's breathing, thereby improving the patient's comfort when wearing the chest protector 1 and the airbag assembly.

[0046] In another embodiment provided by the present invention, such as Figure 12 , Figure 13 , Figure 14 and Figure 15As shown, due to the small rebound force of the spring coil 22 and the floating component 23, the air supply tube 11 only replenishes the air to the sealing shell 12 and the airbag assembly after the air pressure in the airbag assembly drops below 5 mmHg. This affects the pressure bandaging of the patient by the airbag assembly. The safe pressure range of the airbag body 3 is 20-30 mmHg. Therefore, the air supply operation needs to be carried out in the sealing shell 12 and the airbag body 3 after the air pressure in the airbag body 3 drops below 20 mmHg. Therefore, the spring coil 22 and the floating component 23 in the above embodiment need to be replaced. In this embodiment, a floating rod 17 is slidably installed on the auxiliary plate 13 on the side away from the passive rack 14. A floating ring 19 is installed in the middle of the floating rod 17. Flexible plates 24 are installed on both side walls of the sealing shell 12. The center of the flexible plate 24 is sealed to the floating ring 19. The top of the floating rod 17 and the sealing shell 12 are connected by an elastic member 25.

[0047] Specifically, after the patient's breast surgery is completed, medical staff use a mobile phone and a microcontroller 8 to activate a miniature electric air pump 7, which delivers gas through the gas delivery tube 11 into the sealing shell 12. The gas delivered in the gas delivery tube 11 pushes the sealing plate 15, causing the sealing plate 15 to release the seal on the air inlet of the gas delivery tube 11. This pushes the sealing plate 15 to slide away from the gas delivery tube 11. The sealing plate 15 then drives the passive rack 14 to slide upward on the auxiliary plate 13 (that is, the sealing plate 15 and the passive rack 14 slide away from the air inlet of the gas delivery tube 11). Because the passive rack 14 and the transmission gear 16 mesh with each other, and each tooth 18 is respectively meshed with its corresponding transmission gear 16, the passive rack 14... The transmission gear 16 rotates, and the transmission gear 16 drives the floating rod 17 downward (that is, the floating rod 17 slides towards the air inlet end near the air inlet of the air supply pipe 11) through the teeth 18. This causes the floating rod 17 to drive the floating ring 19 downward, and the floating ring 19 to drive the flexible plate 24 (the flexible plate 24 is a sealing plate 15 made of rubber material with a certain elasticity) downward. As gas enters the sealing shell 12 from the air supply pipe 11, and then the gas in the sealing shell 12 is transported to the airbag assembly through the branch pipe 10, after the gas continuously enters the sealing shell 12, when the gas in the airbag body 3 is filled, the gas in the sealing shell 12 gradually increases, causing the gas to begin to push the flexible plate 24 upward. The flexible plate 24 moves upward in an expanded state (such as...). Figure 12As shown), simultaneously, the flexible plate 24 can drive the floating ring 19 and the floating rod 17 to move upward. After the floating ring 19 and the baffle 31 on the upper side of the floating rod 17 abut against each other, the floating ring 19 drives the floating rod 17 to move upward through the baffle 31 until the groove on the floating rod 17 slides to the position of the locking block 30 on the sleeve 29, so that the locking block 30 and the groove on the floating rod 17 are adapted to each other, so that the locking block 30 can perform positioning work on the floating rod 17 through the groove (e.g., Figure 14As shown), simultaneously, the floating rod 17 pushes the elastic element 25 (the elastic element 25 is a component capable of extension and retraction, preferably a spring) into an energy storage state. Simultaneously, the floating ring 19 and the floating rod 17 drive the transmission gear 16 to rotate through the teeth 18. The transmission gear 16 drives the passive rack 14 to slide downward on the auxiliary plate 13. The passive rack 14 drives the sealing plate 15 to move downward, so that the sealing plate 15 seals the air inlet of the air supply pipe 11, so that the air supply pipe 11 no longer supplies gas to the sealing shell 12. At this time, the air supply pipe 11 does not need to supply gas to the sealing shell 12. At this time, the elastic force generated by the elastic element 25 and the flexible plate 24 is balanced with the air pressure in the airbag assembly, so there is no need to... The air supply operation is not carried out inside the sealed shell 12. Instead, the air pressure generated by the elastic element 25 and flexible plate 24 inside the sealed shell 12 during energy storage continuously provides air pressure to the airbag assembly, keeping the air pressure inside the airbag assembly constant (approximately 28 mmHg). However, when the airbag body 3 of the airbag assembly leaks, the air pressure inside the airbag body 3 gradually decreases. Due to the large elastic force generated by the elastic element 25 and flexible plate 24, when the air pressure inside the airbag body 3 drops below 20 mmHg, the flexible plate 24 moves downward inside the sealed shell 12 under the rebound action of the elastic element 25. The flexible plate 24 drives the floating rod 17 to slide downward through the floating ring 19 and baffle 31, causing the groove on the floating rod 17 to slide out of the sleeve. The locking block 30 on cylinder 29 slides out, causing the locking block 30 and the groove to disengage. Simultaneously, the floating rod 17 drives the transmission gear 16 to rotate via the teeth 18. The transmission gear 16 drives the transmission rack to slide upward, and the transmission rack drives the sealing plate 15 to move upward, causing the sealing plate 15 to release the seal on the air inlet of the air supply pipe 11. The air supply pipe 11 then delivers gas to the sealing shell 12 and the airbag assembly, thereby increasing the air pressure inside the airbag assembly. When the air pressure inside the airbag assembly reaches 28 mmHg, the flexible plate 24 is in an expanded state. The flexible plate 24 can drive the floating ring 19 and the floating rod 17 to move upward until the flexible plate 24 moves to the expanded state. The floating ring 19 and the floating rod 17 are driven by the teeth 18. The drive gear 16 rotates, causing the driven rack 14 to slide downwards on the auxiliary plate 13. The driven rack 14 then causes the sealing plate 15 to move downwards, sealing the air inlet of the air supply tube 11. This prevents gas from being supplied to the sealing shell 12, thus enabling the air supply to the airbag assembly. Repeating this operation allows for intermittent gas supply to the airbag assembly, ensuring that the air pressure inside the airbag assembly remains constant. This improves the stability of the airbag assembly when applying pressure to the patient. In this embodiment, air supply is only performed when the air pressure inside the airbag assembly drops below 20 mmHg, ensuring that the air pressure inside the airbag assembly remains constant.

[0048] As those skilled in the art will know, in order to adjust the elastic force provided by the elastic element 25 to the floating rod 17, a threaded rod 26 is threadedly installed on the top of the sealing shell 12. A pushing circular plate 27 is installed inside the sealing shell 12, and a pressing circular plate 28 is rotatably installed inside the pushing circular plate 27. The pressing circular plate 28 and the baffle 31 are connected by the elastic element 25. A plug rod 32 is installed at the bottom of the pressing circular plate 28, and a groove is provided on the plug rod 32. A slot 33 is provided at the top of the floating rod 17. The slot 33 on the floating rod 17 and the plug rod 32 are slidably installed together. A locking block 30 is provided inside the slot 33, and the locking block 30 and the groove are mutually adapted to each other. This adjustment is made to adjust the elastic force provided by the elastic element 25 to the floating rod 17 and... The elastic force provided by the baffle 31 allows medical personnel to rotate the threaded rod 26 using tools, changing its position within the sealing shell 12. The threaded rod 26 then drives the pushing plate 27 and the pressing plate 28 to compress the elastic element 25, thereby adjusting the elastic force provided by the elastic element 25 to the floating rod 17 and the flexible plate 24. This allows the flexible plate 24 and the elastic element 25 to adapt to the air pressure within the airbag assembly and the sealing shell 12. Furthermore, because the number of airbag bodies 3 in each airbag assembly varies, the threaded rod 26 adjusts the pressure provided by the elastic element 25 to the flexible plate 24, ensuring that the elastic force provided by the elastic element 25 to the flexible element 24 is matched to the number of airbag bodies 3 in the independent series of airbags. When plate 24 is in an expanded state and moving upwards, flexible plate 24 can drive floating ring 19 and floating rod 17 to move upwards. After floating ring 19 and the baffle 31 on the upper side of floating rod 17 are pressed together, floating ring 19 drives floating rod 17 to move upwards through baffle 31. Floating rod 17 slides along the trajectory of insertion rod 32 through slot 33 until the locking block 30 in slot 33 on floating rod 17 matches the groove on insertion rod 32, so that the groove on insertion rod 32 can position floating rod 17 through locking block 30. Simultaneously, floating rod 17 pushes elastic element 25 (elastic element 25 is a component capable of extension and retraction, preferably a spring) into an energy storage state. Simultaneously, floating ring 19 and floating rod 17 drive transmission gear through teeth 18. When wheel 16 rotates, transmission gear 16 drives driven rack 14 to slide downward on auxiliary plate 13. Driven rack 14 drives sealing plate 15 to move downward, so that sealing plate 15 seals the air inlet of air supply pipe 11, so that gas is no longer supplied to sealing shell 12 from air supply pipe 11. At this time, air supply pipe 11 does not need to supply gas to sealing shell 12. At this time, the elastic force generated by elastic element 25 and flexible plate 24 is balanced with the air pressure in airbag assembly. Therefore, there is no need to supply gas to sealing shell 12. Instead, the air pressure generated by elastic element 25 and flexible plate 24 in sealing shell 12 during energy storage continuously provides air pressure to airbag assembly, so that the air pressure in airbag assembly remains constant (the air pressure is approximately 28 mmHg).

[0049] Because the airbag assembly, sealing shell 12, branch tube 10, sealing plate 15, and flexible plate 24 are combined into a sealed space, the expansion of the flexible plate 24 can provide a constant air pressure inside the airbag assembly. However, it will affect the thoracic cavity when the patient inhales and exhales. That is, the thoracic cavity expands when the patient inhales deeply and contracts when exhaling. When the patient inhales, the patient's thoracic cavity expands. Affected by the expansion of the thoracic cavity, the air pressure inside the airbag body 3 located at the thoracic cavity position on the chest protector 1 rises sharply. The gas inside the airbag enters the sealing shell 12 through the branch tube 10, which increases the air pressure inside the sealing shell 12. The increased air pressure inside the sealing shell 12 will exert secondary compression on the flexible plate 24, causing the flexible plate 24 to expand. As the flexible plate 24 continues to expand, it can buffer the increase in air pressure on the airbag assembly caused by the expansion of the chest cavity during the patient's deep inhalation. When the patient inhales and then exhales, the patient's chest cavity contracts, reducing the compression of the airbag assembly. This requires an increase in air pressure inside the airbag assembly. At this time, the flexible plate 24 contracts, allowing it to deliver gas from the sealed shell 12 into the airbag assembly, thus replenishing the air pressure inside the airbag assembly and simultaneously increasing the air pressure inside the airbag assembly. This achieves synchronized adjustment of the air pressure inside the airbag body 3 with the patient's breathing, thereby improving the patient's comfort when wearing the chest protector 1 and the airbag assembly.

[0050] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A chest strap type airbag compression bandage device, comprising a chest protector and shoulder straps, wherein the chest protector is provided with two shoulder straps, characterized in that, It also includes an airbag unit, which includes a miniature canister. Multiple miniature canisters are evenly arranged on the chest shield, and multiple airbag assemblies are evenly arranged inside the chest shield. Each of the miniature canisters is connected to a set of airbag assemblies at its air outlet. Each airbag assembly includes an airbag body. Multiple airbag bodies are evenly arranged on the chest shield, and each airbag assembly is interconnected with the airbag body through a connecting tube.

2. The chest strap type airbag compression bandaging device according to claim 1, characterized in that, Each of the miniature tanks has its air inlet end connected to an air inlet pipe. A miniature electric air pump is installed on the chest protector, and the output end of the miniature electric air pump is connected to the air inlet pipe.

3. The chest strap type airbag compression bandaging device according to claim 1, characterized in that, The chest protector is made of high-strength, breathable, and elastic fabric, and is a vest-style chest strap with a back zipper.

4. The chest strap type airbag compression bandaging device according to claim 1, characterized in that, The two shoulder straps on the chest protector are Velcro fasteners.

5. The chest strap type airbag compression bandaging device according to claim 1, characterized in that, The chest protector has an observation window at each of its two pointed ends for observing the inside of the chest protector.

6. The chest strap type airbag compression bandaging device according to claim 5, characterized in that, The airbag components in each group are arranged in a ring structure inside the chest shield with the observation window as the center, and the centers of the airbag components in each group are the same.

7. The chest strap type airbag compression bandaging device according to claim 6, characterized in that, The two outermost airbag assemblies inside the chest protector are divided into three independent series airbags in the middle by three air inlet valves. The outermost airbag assembly inside the chest protector and the adjacent airbag assembly are divided equally by three air inlet valves. Each of the three independent series airbags in the same group is connected to a branch pipe. The three branch pipes on the three independent series airbags in the same group are interconnected with the same miniature tank.

8. The chest strap type airbag compression bandaging device according to claim 7, characterized in that, The central airbag assembly inside the chest protector is divided into two independent series airbags by two air inlet valves. Each of the two independent series airbags in the central airbag assembly inside the chest protector is connected to a branch pipe, and each of the two independent series airbags is connected to the same miniature tank.

9. The chest strap type airbag compression bandaging device according to claim 8, characterized in that, The two innermost sets of airbag components inside the chest protector are connected to their corresponding miniature tanks.

10. The chest strap type airbag compression bandaging device according to claim 2, characterized in that, The chest protector is equipped with a pressure sensor that detects the pressure of the airbag assembly, and a microcontroller is installed between the air inlet pipe of each of the connected micro canisters and the micro electric air pump.

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