Postoperative bellyband system and postoperative bellyband system control method

Abstract

The embodiment of the invention provides a postoperative bellyband system and a postoperative bellyband system control method, the postoperative bellyband system comprises a bellyband body, a central control unit, an air pump, at least one air bag and a seepage patch, the bellyband body is of a belt-shaped structure, and connecting structures capable of being connected with each other are arranged at the two ends of the bellyband body respectively; the central control unit is arranged on the bellyband body; the air pump and the at least one airbag are positioned on the bellyband body; the air bag is provided with an air inlet and an air outlet. The air pump is connected with the air inlet. The air bag is provided with a pressure sensor, and the pressure sensor is electrically connected with the central control unit and can send a pressure signal representing the air pressure in the air bag to the central control unit. The metering sensor of the seepage patch is electrically connected with the central control unit and can send a signal representing the volume of liquid stored in the seepage patch to the central control unit; under the condition that the connecting structures at the two ends of the bellyband body are connected, a plurality of openings are formed in the bellyband body on at least one side of the air bag in the extending direction of the bellyband body, and a silica gel valve is arranged in each opening.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to a postoperative abdominal binder system and a method for controlling the postoperative abdominal binder system. Background Technology

[0002] After abdominal surgery, an abdominal binder is a key rehabilitation tool. Its main functions include relieving tension on the surgical incision, preventing incisional hernias, maintaining intra-abdominal pressure balance to support abdominal organs, reducing postoperative abdominal wall pain to promote early ambulation, and fixing postoperative drainage tubes to prevent displacement or traction.

[0003] Currently, commonly used abdominal binders in clinical practice have the following drawbacks: First, pressure control lacks precision and stability, relying on subjective experience and feel to adjust tightness, making it impossible to achieve objective pressure quantification. Excessive pressure can compress abdominal organs, affecting respiratory and circulatory functions, while insufficient pressure leads to ineffective use. Furthermore, poor pressure stability makes it difficult to achieve precise and continuous effective pressure application. Second, the fixation methods for drainage tubes have poor adaptability and pose multiple safety hazards. For example, side openings in the abdominal binder can disrupt the integrity of the pressure surface of the postoperative abdominal binder system, affecting the balance of abdominal pressure and potentially hindering drainage patency, increasing the risk of infection. When the drainage tube is secured with Velcro, it is positioned between the patient's skin and the abdominal binder. For thin and soft drainage tubes, compression from the abdominal binder or patient movement can easily cause the tube to fold, twist, or become blocked, leading to fluid accumulation and severely affecting drainage effectiveness. For thicker and stiffer drainage tubes, after binding and fixation, local pressure can be applied to the abdominal skin and deep tissues, causing not only patient pain but also potential skin damage or even pressure sores with prolonged pressure. In some existing technologies, the position of the drainage tube is adjusted by adding a zipper at the opening. However, the zipper cannot be locked in place after adjustment. When the patient turns over or gets out of bed, the zipper is easily loosened by external force, causing the drainage tube to shift, requiring repeated checks and adjustments by medical staff. Third, surgical site exudation relies on medical staff visually observing the degree of dressing saturation to determine when to change the dressing, which cannot achieve precise measurement of the exudate volume. Changes in exudate volume are key indicators for assessing the wound healing status and the presence of internal bleeding or infection. A postoperative abdominal binder system is urgently needed to systematically solve these problems. Summary of the Invention

[0004] The purpose of this application is to provide a postoperative abdominal binder system and a method for controlling the postoperative abdominal binder system, in order to solve the problems in the prior art where the postoperative abdominal binder system cannot achieve objective pressure quantification, the drainage tube fixation method has poor adaptability and multiple safety hazards, and the surgical area exudate cannot be accurately measured. The specific technical solution is as follows:

[0005] This application provides a postoperative abdominal binder system, which includes:

[0006] The abdominal binder body is a strip-shaped structure, and the two ends of the abdominal binder body are respectively provided with connecting structures that can be connected to each other;

[0007] Central control unit, the central control unit being disposed on the abdominal belt body;

[0008] An air pump and at least one airbag are located on the abdominal belt body; the airbag has an air inlet and an air outlet, and the air pump is connected to the air inlet; the airbag is equipped with a pressure sensor, which is electrically connected to the central control unit and can send a pressure signal indicating the air pressure inside the airbag to the central control unit, and the central control unit can control the pressure of the airbag according to the pressure signal;

[0009] An exudative patch having a metering sensor; the metering sensor is electrically connected to the central control unit and can send a signal to the central control unit indicating the volume of liquid stored in the exudative patch, and the central control unit can monitor the volume of the stored liquid;

[0010] With the connecting structures at both ends of the abdominal binder body connected, along the extending direction of the abdominal binder body, on at least one side of the airbag, the abdominal binder body is provided with a plurality of openings, each opening being provided with a silicone valve.

[0011] In some embodiments, the number of airbags is three, and the three airbags are spaced apart along the extension direction perpendicular to the abdominal band body. Multiple openings are provided between each two adjacent airbags, and each opening is provided with a silicone valve.

[0012] In some embodiments, the airbag includes multiple sub-airbags, each sub-airbag is equipped with the pressure sensor, each sub-airbag includes an air inlet and an air outlet, the air pump is connected to the air inlets of the multiple sub-airbags, and adjacent sub-airbags are connected by elastic connectors with gaps.

[0013] In some embodiments, the central control unit can control the air pump to inflate the sub-airbag when it determines, based on the received pressure signal, that the pressure inside the sub-airbag is lower than a preset minimum pressure.

[0014] or

[0015] The central control unit can determine, based on the received pressure signal, that when the pressure inside the sub-airbag is higher than the preset maximum pressure, and then control the sub-airbag to deflate.

[0016] In some embodiments, the air inlet and air outlet of the sub-airbag are equipped with solenoid valves, which are electrically connected to the central control unit;

[0017] When the air pump inflates the sub-airbag through the air inlet, the central control unit can control the solenoid valve of the sub-airbag air inlet to open.

[0018] When the central control unit determines that the pressure inside the sub-airbag is higher than the preset maximum pressure based on the received pressure signal, it controls the solenoid valve of the sub-airbag's deflation port to open.

[0019] In some embodiments, the seepage patch includes an absorbent layer, a storage layer, and a waterproof layer stacked sequentially; the metering sensor is electrically connected to the central control unit and can send a signal to the central control unit indicating the volume of liquid stored in the storage layer.

[0020] In some embodiments, the metering sensor includes an electrode disposed on the liquid-absorbing layer and a signal transmitting unit; the storage layer is made of a conductive liquid-absorbing material, the electrode is connected to the storage layer, and the signal transmitting unit is electrically connected to the central control unit, which can transmit the resistance signal of the conductive liquid-absorbing material collected by the electrode to the central control unit, and the central control unit can determine the volume of liquid stored in the storage layer based on the resistance signal.

[0021] In some embodiments, the abdominal binder body is provided with positioning protrusions for marking the location of the seepage patch.

[0022] In some embodiments, the surface of the seepage patch is provided with annular nested scale lines indicating the absorbent area.

[0023] In some embodiments, the postoperative abdominal binder system further includes a display screen disposed on the abdominal binder body, the display screen being electrically connected to the central control unit; the central control unit is capable of controlling the display screen to display: the volume of liquid absorbed by the exudate patch, and after determining that the volume has reached a preset volume, controlling the display screen to display an alarm signal; and / or, the pressure value of the airbag detected by the pressure sensor.

[0024] This application provides a control method for a postoperative abdominal binder system, applied to a central control unit within the postoperative abdominal binder system, wherein the postoperative abdominal binder system is as described above, and the method includes:

[0025] The system receives a pressure signal from a pressure sensor in the airbag, indicating the pressure inside the airbag, and controls the pressure of the airbag according to the pressure signal. When the pressure is lower than a preset minimum pressure, the system controls the airbag to inflate; when the pressure is higher than a preset maximum pressure, the system controls the airbag to deflate.

[0026] The system receives a signal from a metering sensor in the seepage patch, indicating the volume of liquid stored in the seepage patch. Based on the received signal, the system monitors the volume of the stored liquid and issues an alarm when the volume exceeds a preset volume.

[0027] Beneficial effects of the embodiments in this application:

[0028] In this embodiment, the abdominal binder body is a strip-shaped structure. During use, the postoperative abdominal binder system is wrapped around the abdominal area and secured by connecting structures at both ends. The presence of an air bladder helps alleviate tension on the surgical incision. A pressure sensor collects the air pressure signal inside the air bladder in real time and transmits it to the central control unit. The central control unit controls the inflation or deflation of the air bladder based on the signal, minimizing the drawbacks of traditional abdominal binders that rely on subjective experience to adjust pressure. This avoids the risk of excessive pressure compressing abdominal organs and affecting respiratory and circulatory functions, while also preventing support failure due to insufficient pressure. The metering sensor of the exudate patch monitors the stored fluid volume in real time and feeds it back to the central control unit, achieving precise quantification of exudate volume. A silicone valve covers the opening, preserving the integrity of the pressure surface of the postoperative abdominal binder system and maintaining abdominal pressure balance. The drainage tube can exit through the silicone valve, which has good elastic deformation capability and can adaptively conform to the outer wall of the drainage tube according to its diameter. The balloon has silicone valves on both sides. After the patient wears the postoperative abdominal binder, the drainage tube can pass through the silicone valves without having to exit through the bottom or top of the entire abdominal binder. Therefore, the silicone valves provide stable confinement for the thin, soft drainage tube, minimizing folding, twisting, and blockage due to pressure between the abdominal binder system and the skin or patient movement, ensuring unobstructed drainage and preventing fluid accumulation. They also prevent the forced binding of thick, rigid drainage tubes from causing local pressure on the abdominal skin and deep tissues, effectively reducing patient pain and lowering the risk of complications such as skin damage and pressure sores caused by long-term pressure, significantly improving postoperative patient comfort. The tight fit between the silicone valve and the drainage tube ensures relative fixation of the tube's position. Compared to existing technologies where zippers easily loosen due to external pulling after adjustment, the silicone valves firmly fix the drainage tube's position during daily activities such as turning over and getting out of bed, minimizing tube displacement. This not only ensures the stability of drainage treatment but also reduces the workload of medical staff who need to repeatedly check and adjust the tube due to displacement. The central control unit integrates pressure regulation and leakage monitoring functions, enabling centralized management and coordinated response of multiple parameters. In summary, through the aforementioned intelligent collaborative control of multiple parameters, this invention ultimately achieves systemic benefits such as reducing the workload of medical staff, improving patient comfort, lowering the risk of complications, and promoting patient recovery.

[0029] Of course, implementing any product or method of this application does not necessarily require achieving all of the advantages described above at the same time. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other embodiments can be obtained based on these drawings.

[0031] Figure 1 This is a schematic diagram of a postoperative abdominal binder system provided in an embodiment of this application;

[0032] Figure 2 A schematic diagram illustrating the interaction between the postoperative abdominal binder system and the drainage tube provided in the embodiments of this application;

[0033] Figure 3 This is a schematic diagram of the postoperative abdominal binder system after deployment, provided in an embodiment of this application.

[0034] Figure 4 This is a schematic diagram of the airbag in an embodiment of this application;

[0035] Figure 5 This is a schematic diagram of the seepage patch in the embodiments of this application. Figure 1 ;

[0036] Figure 6 This is a schematic diagram of the seepage patch in the embodiments of this application. Figure 2 ;

[0037] Figure 7 A flowchart of the postoperative abdominal binder system control method provided in the embodiments of this application.

[0038] Figure label:

[0039] Abdominal belt body 100; connecting structure 200; central control unit 300; airbag 400; sub-airbag 410; elastic connector 420; gap 430; seepage patch 500; scale line 501; ear piece 502; absorbent layer 510; storage layer 520; waterproof layer 530; silicone valve 600;

[0040] Extension direction X; drainage tube L. Detailed Implementation

[0041] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art based on this application are within the scope of protection of this application.

[0042] This application provides a postoperative abdominal binder system. Figure 1 This is a schematic diagram of a postoperative abdominal binder system provided in an embodiment of this application; Figure 2 A schematic diagram illustrating the interaction between the postoperative abdominal binder system and the drainage tube provided in the embodiments of this application; Figure 3 This is a schematic diagram of the postoperative abdominal binder system after deployment, as provided in the embodiments of this application; Figures 1 to 3 As shown, the postoperative abdominal binder system includes: an abdominal binder body 100, which is a band-shaped structure, with connecting structures 200 at both ends that can be interconnected; a central control unit 300, which is located on the abdominal binder body 100; an air pump (not shown) and at least one airbag 400, which are located on the abdominal binder body 100; the airbag 400 has an air inlet and an air outlet, and the air pump is connected to the air inlet; the airbag 400 is equipped with a pressure sensor, which is electrically connected to the central control unit 300 and can send a signal to the central control unit 300 indicating the air pressure inside the airbag 400. The pressure signal is received, and the central control unit 300 can control the pressure of the airbag according to the pressure signal; the leakage patch 500 has a metering sensor; the metering sensor is electrically connected to the central control unit 300 and can send a signal to the central control unit 300 indicating the volume of liquid stored in the leakage patch 500, and the central control unit 300 can monitor the volume of the stored liquid; when the connecting structures 200 at both ends of the abdominal belt body 100 are connected, along the extension direction X of the abdominal belt body 100, on at least one side of the airbag 400, the abdominal belt body 100 is provided with a plurality of openings, and each opening is provided with a silicone valve 600.

[0043] In an exemplary embodiment, the central control unit 300 is fixed to the middle of the abdominal belt body 100. The central control unit 300 has a built-in MCU chip and Bluetooth module. The pressure sensor is a MEMS (Micro-Electro-Mechanical System) miniature pressure sensor (accuracy ±1mmHg, response time <0.5s). The pressure sensor is electrically connected to the central control unit 300 via a wire or Bluetooth module. The pressure sensor collects pressure data in real time and transmits it to the central control unit 300.

[0044] In an exemplary embodiment, there are multiple airbags 400, which are spaced apart along a direction perpendicular to the extension direction X of the abdominal binder body 100. The airbags 400 can be located on the outer side of the abdominal binder body 100 (the side away from the abdomen) or on the inner side of the abdominal binder body 100 (the side closer to the abdomen). The airbags 400 are bonded to the abdominal binder body 100 with medical-grade hot melt adhesive, and the edges are reinforced with double-stitched seams. They can also be embedded in the abdominal binder body 100 (that is, the abdominal binder body 100 has a hollow area at the airbag 400, and the edge of the airbag 400 can be fixedly connected to the edge of the hollow area by means of zippers, hooks, etc.).

[0045] In an exemplary embodiment, the airbag 400 has three inflation modes: a daily mode (lower baseline pressure for daily use), an activity mode (providing stronger abdominal support and reducing pain during sudden increases in abdominal pressure, such as coughing or sneezing), and a night mode (maintaining a gentle pressure). The central control unit 300 can be a small, lightweight electronic control box. Data is connected to a mobile application via Bluetooth or a wire, allowing for settings, monitoring, and recording, thus enabling traceability of exudate data. The linkage between the central control unit 300 and the mobile application meets remote care needs and improves patient compliance, which refers to the degree to which a patient adheres to the treatment plan.

[0046] In an exemplary embodiment, the postoperative abdominal binder system can form a ring-shaped waist structure around the user's abdomen, and the connecting structure 200 can be a retractable and adjustable Velcro closure or hook, with a design that fits the human body and adapts to different waist sizes.

[0047] In an exemplary embodiment, the abdominal binder body 100 is made of medical-grade breathable elastic fabric. The outer layer (the layer away from the abdomen) is a waterproof and wear-resistant fabric, and the inner layer is a skin-friendly and breathable cotton layer, which effectively reduces skin friction and prevents leakage.

[0048] In an exemplary embodiment, the fixation method of the exudate patch 500 can be replaced by a magnetic method, with a magnetic sheet embedded in the edge of the patch, which is then magnetically attached to the magnetic base on the abdominal binder body 100. This eliminates the need to replace the entire abdominal binder; only the exudate patch 500 needs to be replaced, reducing the workload of medical staff, lowering the financial burden on patients, and preventing discomfort caused by exudate seeping into the skin.

[0049] In an exemplary embodiment, the silicone valve 600 may be made of medical-grade silicone. The silicone valve 600 has a cross-shaped incision at its center, through which the drainage tube L can pass; or the silicone valve 600 has an umbrella-shaped opening at its center, through which the drainage tube L can pass.

[0050] In an exemplary embodiment, the plurality of silicone valves 600 may be arrayed to provide multiple drainage tube exit points. For example, the plurality of silicone valves 600 may be arranged in a rectangular array.

[0051] In an exemplary embodiment, on both sides of the airbag 400, the abdominal belt body 100 is provided with a plurality of openings, and each opening is provided with a silicone valve 600.

[0052] In this embodiment, the abdominal binder body 100 is a band-like structure. During use, the postoperative abdominal binder system is wrapped around the abdominal area and secured by the connecting structures 200 at both ends of the abdominal binder body 100. The presence of the air bladder 400 helps alleviate tension on the surgical incision. A pressure sensor collects the air pressure signal inside the air bladder 400 in real time and transmits it to the central control unit 300. The central control unit 300 controls the inflation or deflation of the air bladder 400 or maintains a constant pressure based on the signal, minimizing the drawbacks of traditional abdominal binders that rely on subjective experience to adjust pressure. This avoids the risk of excessive pressure compressing abdominal organs and affecting respiratory and circulatory functions, while also preventing support failure due to insufficient pressure. Objective and quantifiable pressure data provides traceable evidence for postoperative care, and dynamically adapts to changes in abdominal pressure during patient activity, ensuring continuous and effective pressure application and significantly reducing the incidence of incisional hernias. Changes in fluid volume are key indicators for assessing the wound healing status and the presence of internal bleeding or infection. The metering sensor can measure the volume of stored fluid in real time and send the volume signal to the central control unit 300. This reduces the drawback of relying solely on medical staff to visually observe the degree of dressing saturation to determine when to change dressings, enabling precise quantification of exudate volume. Medical staff can monitor the exudate levels of the abdominal binder wearer and thus assess the wearer's postoperative recovery. The volume signal from the central control unit 300 can be uploaded to an app. The central control unit 300 can be set with preset permeation values; when the metering sensor detects that the permeation volume has reached the preset value, it is uploaded to the app. By tracking the trend of permeation volume changes, medical staff can promptly assess the incision healing status, detect abnormalities such as internal bleeding or infection early, and gain time for clinical intervention. The silicone valve 600 covers the opening, without compromising the integrity of the pressure surface of the postoperative abdominal binder system and without affecting the abdominal pressure balance. The drainage tube can pass through the silicone valve 600. The silicone valve 600 has good elastic deformation capability, which can adaptively fit the outer wall of the drainage tube according to its thickness, achieving a tight fit and fixation without disrupting the overall pressure of the abdominal binder. Silicone valves 600 are located on both sides of the airbag 400. After the abdominal binder is applied to the patient's body post-surgery, the drainage tube L can pass through the silicone valves 600 without exiting from the bottom or top of the abdominal binder. Therefore, the silicone valves 600 provide stable positioning for the thin, soft drainage tube, minimizing folding, twisting, and blockage due to pressure or patient movement between the abdominal binder and the skin, ensuring unobstructed drainage and preventing fluid accumulation. Simultaneously, they prevent the forced binding of thick, rigid drainage tubes from causing localized pressure on the abdominal skin and deep tissues, effectively reducing patient pain and lowering the risk of complications such as skin damage and pressure sores caused by long-term pressure, significantly improving post-operative comfort. The tight fit between the silicone valves 600 and the drainage tube ensures relative fixation of the tube's position. Compared to existing technologies where zippers easily loosen due to external pulling after adjustment, the silicone valves 600 firmly fix the drainage tube's position during daily activities such as turning over and getting out of bed, minimizing tube displacement.This not only ensures the stability of drainage treatment but also reduces the workload of medical staff who need to repeatedly check and adjust the tubes due to displacement. The central control unit 300 integrates pressure regulation and leakage monitoring functions, enabling centralized management and coordinated response of multiple parameters. In summary, through the above-mentioned intelligent collaborative control of multiple parameters, this invention ultimately achieves systemic benefits such as reducing the workload of medical staff, improving patient comfort, reducing the risk of complications, and promoting patient recovery.

[0053] The postoperative abdominal binder system provided in this application is suitable for hospital postoperative care, rehabilitation institution assistance, and home care scenarios.

[0054] In some embodiments, such as Figure 3 As shown, there are three airbags 400. The three airbags 400 are spaced apart along the extension direction X perpendicular to the abdominal belt body 100. There are multiple openings between each two adjacent airbags 400, and each opening is equipped with a silicone valve 600.

[0055] In this embodiment, the longitudinal arrangement of the three airbags 400 allows for differentiated pressure application to the upper, middle, and lower abdomen of the user, solving the problems of uneven pressure and cumbersome adjustment associated with traditional abdominal binders. The pressure control accuracy in the surgical area can reach ±1 mmHg, reducing the risks of incisional hernia and respiratory distress. Openings and silicone valves 600 are arranged between adjacent airbags 400, increasing the area through which the drainage tube L exits the postoperative abdominal binder system and preventing direct contact between the drainage tube L and the airbags 400, thus reducing the risk of pressure on the drainage tube L.

[0056] In some embodiments, such as Figure 4 As shown, Figure 4 This is a schematic diagram of the airbag in the embodiment of this application; the airbag 400 includes multiple sub-airbags 410, each sub-airbag 410 is equipped with a pressure sensor, each sub-airbag 410 includes an air inlet (not shown) and an air outlet (not shown), an air pump is connected to the air inlets of multiple sub-airbags 410, and adjacent sub-airbags 410 are connected by an elastic connector 420, the elastic connector 420 is provided with a gap 430.

[0057] In an exemplary embodiment, when inflating the sub-airbags 410 in the airbag 400, a "gradient pressurization" is implemented, that is, the inflation sequence is from the sub-airbags 410 on both sides to the sub-airbag 410 in the middle: first, the sub-airbags 410 located at the two edges of each airbag 400 are inflated, and then the sub-airbags 410 located in the middle are gradually inflated, so as to achieve uniform and orderly inflation from the left and right sides of the abdomen to the middle, forming a "circumferential" pressure, simulating the situation of hands hugging the abdomen from both sides of the waist and abdomen. Furthermore, a personalized standard pressure can be set for the sub-airbags 410 to avoid local over-tightness caused by unidirectional pressurization, and to ensure that the pressure in the surgical area is uniform and lasting.

[0058] In an exemplary embodiment, the elastic connector 420 is made of medical-grade translucent silicone. The translucent silicone material allows direct observation of the drainage tube's shape.

[0059] In this embodiment, each sub-balloon 410 includes an air inlet and an air outlet, allowing the pressure of each sub-balloon 410 to be adjusted independently. The elastic connector 420 not only allows the balloon 400 to adapt to the shape of the patient's abdominal wall, but the gap 430 also increases the penetration range of the drainage tube L in the postoperative abdominal binder system. Furthermore, the elasticity of the elastic connector 420 can accommodate drainage tubes L of different diameters. If the drainage tube L inevitably needs to pass through the balloon 400, it can be led out from the gap 430 between the sub-balloons 410.

[0060] In some embodiments, such as Figure 1 As shown, the central control unit 300 can control the air pump to inflate the sub-airbag 410 when the pressure inside the sub-airbag 410 is lower than the preset minimum pressure based on the received pressure signal; or, the central control unit 300 can control the sub-airbag 410 to deflate when the pressure inside the sub-airbag 410 is higher than the preset maximum pressure based on the received pressure signal.

[0061] In an exemplary embodiment, pressure sensors are embedded in the inner wall of each sub-airbag 410.

[0062] In this embodiment, the pressure sensor can measure the pressure in the sub-inflator 410 in real time, achieving objective pressure quantification. Through the linkage between the pressure sensor and the central control unit 300, real-time pressure monitoring and automatic adjustment are achieved, enabling precise and continuous effective pressurization and improving pressurization stability. This minimizes the risk of excessive pressure compressing abdominal organs and affecting respiratory and circulatory functions, or insufficient pressure rendering the device ineffective. During patient movement, the pressure sensor captures changes in body position in real time, and the central control unit 300 dynamically fine-tunes the pressure. Real-time transmission and recording of pressure data creates a closed-loop nursing data system. Medical staff can remotely view the patient's abdominal binder pressure via an app, eliminating the need for frequent ward rounds and improving work efficiency. The pressure change curve provides objective evidence for disease assessment, facilitating timely detection of abnormalities.

[0063] In some embodiments, the air inlet and air outlet of the sub-airbag 410 are equipped with solenoid valves (not shown in the figure), which are electrically connected to the central control unit 300. When the air pump inflates the sub-airbag 410 through the air inlet, the central control unit 300 can control the solenoid valve of the air inlet of the sub-airbag 410 to open. When the central control unit 300 can determine from the received pressure signal that the pressure inside the sub-airbag 410 is higher than the preset maximum pressure, it controls the solenoid valve of the air outlet of the sub-airbag 410 to open.

[0064] In an exemplary embodiment, the solenoid valve is electrically connected to the central control unit 300 via a wire, or the solenoid valve is wirelessly connected to the central control unit 300. When the central control unit 300 controls the air pump to inflate the sub-airbag 410, it simultaneously opens the solenoid valve at the air inlet of the sub-airbag 410 and closes the solenoid valve at the air outlet. When the pressure sensor detects that the pressure inside the sub-airbag 410 is higher than the preset maximum pressure, the central control unit 300 immediately closes the air inlet solenoid valve and opens the air outlet solenoid valve.

[0065] In this embodiment, the gas flow rate can be adjusted by changing the position of the solenoid valve core. Precise control of the solenoid valve makes the inflation and deflation processes smoother and provides high pressure regulation accuracy.

[0066] In some embodiments, such as Figure 5 As shown, Figure 5 This is a schematic diagram of the seepage patch in the embodiments of this application. Figure 1 The seepage patch 500 includes an absorbent layer 510, a storage layer 520, and a waterproof layer 530 stacked sequentially; a metering sensor is electrically connected to the central control unit 300 and can send a signal to the central control unit 300 indicating the volume of liquid stored in the storage layer 520.

[0067] In an exemplary embodiment, the waterproof layer 530 can be made of polyurethane film, the storage layer 520 uses a liquid-absorbing material such as superabsorbent resin doped with 5% medical-grade hydroxylated carbon nanotubes, so that the liquid absorption capacity is greater than or equal to 50ml, and the liquid-absorbing layer 510 can be made of medical non-woven fabric, which is skin-friendly and breathable, reducing skin friction. The exudate patch 500 comes in three sizes: S (5cm×5cm), M (10cm×10cm), and L (15cm×15cm). It is fixed to the inner side of the abdominal binder body 100 at the corresponding surgical area using a ring-shaped medical Velcro. Specifically, the ring-shaped medical Velcro includes a female piece and a male piece that can be hooked together. The female piece is attached to the inner area of ​​the abdominal binder body 100 (the side closest to the patient's abdomen), and the male piece is attached to the side of the waterproof layer 530 of the exudate patch 500 away from the absorbent layer 510. When it is necessary to attach the exudate patch 500 to the abdominal binder body 100, the male piece of the ring-shaped medical Velcro is attached to the female piece of the ring-shaped medical Velcro.

[0068] In an exemplary embodiment, the seepage patch 500 is attached to the side of the airbag 400 near the wearer's abdomen, and the edge of the seepage patch 500 is provided with ear tabs 502 to facilitate the removal of the seepage patch 500 from the abdominal binder body 100.

[0069] In this embodiment, the three-layer structure of the exudate patch 500 allows for rapid absorption and locking of exudate in the middle layer (i.e., the storage layer 520), while the waterproof layer 530 prevents leakage and contamination of the postoperative abdominal binder system or clothing. The exudate patch 500 can be replaced at any time after absorbing exudate, eliminating the need to replace the entire abdominal binder body 100.

[0070] In some embodiments, the metering sensor includes an electrode disposed on the liquid absorption layer 510 and a signal transmitting unit; the storage layer 520 is made of a conductive liquid absorption material, the electrode is connected to the storage layer 520, and the signal transmitting unit is electrically connected to the central control unit 300, which can transmit the resistance signal of the conductive liquid absorption material collected by the electrode to the central control unit 300, and the central control unit 300 can determine the volume of liquid stored in the storage layer 520 based on the resistance signal.

[0071] In an exemplary embodiment, the conductive absorbent material is a composite conductive absorbent material, mainly composed of superabsorbent resin and doped with 5% medical-grade hydroxylated carbon nanotubes. It has an absorbency of ≥50ml, prevents backflow, and avoids exudate soaking into the skin. The electrodes are medical-grade conductive silver paste electrodes; there are two electrodes, spaced 3-5cm apart, with a thickness of 0.2mm. The electrodes are embedded in the edge of the absorbent layer 510 non-woven fabric, contacting the middle conductive absorbent material. The signal transmitting unit is electrically connected to the central control unit 300 via metal contacts at the electrode ends to transmit resistance signals. These signals are then synchronized to a mobile app. The app allows setting exudate volume thresholds (e.g., pushing a replacement reminder when the detected exudate volume is greater than or equal to 20ml) and exudate rate thresholds (e.g., pushing a rapid exudate warning when the rate is greater than or equal to 10ml / min). The mobile app can automatically generate a "24-hour exudate volume-rate trend chart," supporting remote data viewing by medical staff (forming a closed-loop nursing record).

[0072] Specifically, the signal transmitting unit is used to realize wireless data transmission. In a preferred embodiment, this unit is a Bluetooth module, which can actively establish a connection with the mobile terminal and send data. In another embodiment, the signal transmitting unit can also be an RFID tag, which can transmit its stored data by being triggered by an external reader.

[0073] In this embodiment, the resistance of the conductive absorbent material decreases linearly with the increase of the amount of seepage. The central control unit 300 has a built-in resistance-volume / weight conversion model, which can calculate the liquid volume in the storage layer 520 (accuracy ±0.8ml) based on the received resistance signal. Furthermore, the conversion model can be used to convert the volume of the seepage into its weight. By measuring the resistance of the conductive absorbent material, the volume of liquid stored in the storage layer 520 can be accurately measured.

[0074] In some embodiments, the abdominal binder body 100 is provided with positioning protrusions (not shown) for marking the location of the exudate patch 500.

[0075] In an exemplary embodiment, the inner layer of the abdominal binder body 100 is provided with multiple positioning protrusions at the center of the surgical area. The protrusions are made of medical silicone. Some of the waterproof layer 530 of the exudate patch 500, which is away from the absorbent layer 510, is provided with positioning grooves that match the protrusions. When the patch is attached to the abdominal binder body 100, the protrusions are embedded in the grooves, thereby achieving rapid positioning and fixation of the patch.

[0076] In an exemplary embodiment, the positioning protrusion may contain a built-in magnetic sheet, and the patch groove may contain a built-in magnetic sheet. The magnetic sheet in the positioning protrusion and the magnetic sheet in the patch groove attract each other, further improving the fixing effect.

[0077] In this embodiment, the positioning protrusions can improve the positioning time when medical staff change the patch and ensure that the patch accurately covers the surgical area.

[0078] In some embodiments, such as Figure 6 As shown, Figure 6 This is a schematic diagram of the seepage patch in the embodiments of this application. Figure 2 The surface of the seepage patch 500 is provided with a ring-shaped nested scale line 501 for indicating the liquid absorption area.

[0079] In an exemplary embodiment, the exudate patch 500 is printed with nested, ring-shaped absorbent area indicator scale lines 501. The scale lines 501 are printed with medical-grade waterproof ink, making them clear and resistant to peeling. The scale lines 501 are divided into three rings from the inside out, corresponding to absorbent areas of 20ml, 40ml, and 60ml, respectively. Each ring of scale lines 501 is marked with the corresponding absorbent area value and estimated exudate volume.

[0080] In an exemplary embodiment, the seepage patch 500 may be provided with an ear piece 502 for easy tearing.

[0081] In this embodiment, the scale line 501 provides medical personnel with an intuitive reference for the aspiration area. Combined with the estimated leakage volume, it allows for rapid determination of the volume of liquid stored in the storage layer when the data in the central control unit 300 is not updated in a timely manner, thereby confirming the leakage situation. In the event of a malfunction in the electronic metering, the scale line 501 can serve as a backup assessment method to ensure uninterrupted leakage monitoring and improve the reliability of the equipment.

[0082] In some embodiments, the postoperative abdominal binder system also includes a display screen disposed on the abdominal binder body 100, the display screen being electrically connected to the central control unit 300; the central control unit 300 is able to control the display screen to display: the volume of liquid absorbed by the exudate patch 500, and after determining that the volume has reached a preset volume, control the display screen to display an alarm signal; and / or, the pressure value of the airbag detected by the pressure sensor.

[0083] In an exemplary embodiment, the display screen is a 2cm×3cm OLED anti-glare screen capable of displaying the pressure values ​​transmitted by the pressure sensor and the permeation volume of the exudate patch. The display screen is electrically connected to the central control unit 300 and has three physical buttons ("mode switch button", "pressure ± adjustment button", and "emergency decompression button") and a Type-C charging port (the central control unit 300 has a battery life of ≥24 hours). The central control unit 300 has a built-in MCU (Micro Control Unit) chip and Bluetooth module, responsible for data processing, command sending, and wireless transmission. The central control unit 300 can display the calculated exudate volume on the display screen in real time with a display accuracy of 0.1ml, and simultaneously display the real-time pressure values ​​of multiple airbags 400.

[0084] When the pressure of the sub-airbag 410 exceeds the preset maximum pressure, the central control unit 300's display screen will issue an audible and visual alarm (e.g., a flashing red light or a buzzer).

[0085] In an exemplary embodiment, when the central control unit 300 determines that the leakage volume has reached a preset threshold (e.g., 20ml), the control display shows a red alarm signal, and a buzzer alarm is triggered simultaneously (frequency 2kHz, interval 2 seconds). When the leakage volume reaches an emergency threshold (e.g., 50ml), the display flashes alarm information, and the buzzer continues to sound. The display also supports pressure mode switching, parameter query, and other operations, and is assisted by three physical buttons (mode switching button, pressure ± adjustment button, and emergency decompression button).

[0086] In this embodiment, the display screen shows the amount of exudate and pressure value in real time, allowing medical staff to obtain key data without using an app; the audible and visual alarm signals enable medical staff to respond quickly to abnormal exudate situations; the integrated display screen and physical buttons make the abdominal binder operation simpler, and both medical staff and patients can quickly master functions such as mode switching and parameter query, significantly improving the ease of use of the device.

[0087] This application provides a method for controlling a postoperative abdominal binder system, such as... Figure 7 As shown, Figure 7 This is a flowchart of a postoperative abdominal binder system control method provided in an embodiment of this application. The postoperative abdominal binder system control method is applied to the central control unit of the postoperative abdominal binder system. The postoperative abdominal binder system is the same as the postoperative abdominal binder system in all the above embodiments. The method includes:

[0088] S701: Receives a pressure signal from the pressure sensor in the airbag, indicating the pressure inside the airbag, and controls the pressure of the airbag according to the pressure signal. When the pressure is lower than the preset minimum pressure, it controls the airbag to inflate; when the pressure is higher than the preset maximum pressure, it controls the airbag to deflate.

[0089] S702: Receives a signal from the metering sensor in the seepage patch indicating the volume of liquid stored in the seepage patch, monitors the volume of stored liquid based on the received signal, and issues an alarm when the volume exceeds a preset volume.

[0090] It should be noted that steps S701 and S702 are executed in parallel and have no sequential relationship.

[0091] It should be noted that when the pressure sensor, leakage patch, and central control unit 300 inside the airbag 400 are set up simultaneously, real-time data collection, coordinated decision-making, and proactive intervention of abdominal pressure, leakage volume, and drainage tube status can be achieved. This transforms postoperative care from subjective experience into quantifiable, recordable (such as pressure change curves and leakage volume trends), and remote digital management, reducing the incidence of incisional hernia, infection, bleeding, and tube-related complications, shortening hospital stays, and alleviating the workload of medical staff and the economic burden on patients.

[0092] The combined and collaborative functions of each module enable intelligent management of multiple parameters and data closure, facilitating system feedback and linkage mechanisms.

[0093] Local feedback: The display screen shows the pressure values ​​of multiple airbags 400 and neutron airbags 410 in real time, the current leakage amount of the leakage patch, and the sound and light alarms when there are abnormalities, such as yellow light when the pressure is abnormal, green light when the leakage exceeds the threshold, and red light when the drainage tube L is displaced.

[0094] Remote feedback: The mobile app (divided into medical staff and family members) receives data. Medical staff can remotely adjust pressure thresholds and view data lists for multiple patients; the family member app only displays "normal / abnormal" status and change reminders to avoid accidental operation.

[0095] In one optional embodiment, the specific usage procedure of the postoperative abdominal binder system is as follows: Select the standard size abdominal binder body 100 according to the wearer's waist circumference, check that the outer waterproof fabric and inner skin-friendly cotton layer of the abdominal binder are undamaged, and that the Velcro buckles are easy to stretch and adjust. An airtightness test was performed on the zoned gradient air pressure module (i.e., airbag 400): The central control unit 300 was powered on (press and hold the mode switch button for 3 seconds) and entered the "self-test mode". The system automatically inflated the sub-airbag 410 to 20 mmHg and maintained it for 5 minutes. The pressure sensor feedback pressure fluctuation ≤1 mmHg was considered qualified. The exudate patch 500 was adapted according to the estimated size of the surgical area. The patch size was selected as S (5cm×5cm), M (10cm×10cm) or L (15cm×15cm). The outer protective film of the exudate patch 500 was peeled off and pre-fixed to the inner layer of the abdominal binder corresponding to the surgical area position using the ring-shaped medical Velcro. The central control unit 300 automatically identified the electrode contacts of the exudate patch 500 and completed the "resistance-exudate volume" baseline calibration (displaying "patch ready"). During system integration and debugging, the medical staff's app completes pairing by scanning the central control unit's 300 device code (displayed on the OLED screen) via Bluetooth, sets the patient's basic information (name, surgery type, postoperative time), and presets initial parameters: pressure threshold, exudate replacement threshold, and rapid exudate warning threshold; the family member's app associates with the device through the QR code shared by the medical staff, and only obtains status reminder permissions.

[0096] Wearing Instructions: The patient lies supine, unfastens the Velcro straps of the abdominal binder, and places the inner skin-friendly cotton layer against the abdomen, ensuring that the central control unit 300 is directly above the navel (for easy operation and observation). The opening and silicone valve 600 cover the area where the drainage tube L is expected to exit. Adjust the tightness of the Velcro straps so that two fingers can be inserted between the abdominal binder system and the patient's skin post-surgery. After fastening, gently pull both ends to confirm a secure fixation. Medical staff, based on the exit position of the drainage tube L, insert the drainage tube L into the silicone valve 600, observing the tube's path through the semi-transparent mesh to ensure there are no kinks. For pneumatic pressurization initialization, press the "Mode Switch" button to select "Mode." The system automatically executes gradient pressurization logic to create a circumferential support. Pressure sensors provide data feedback every second, and the display shows the pressure value in each airbag 400 in real time, ensuring pressure uniformity.

[0097] When exudate penetrates to the storage layer 520 of the exudate patch 500, the resistance value of the composite conductive material decreases linearly with the increase of the amount of exudate absorbed. For example, when the amount of exudate reaches 15ml, the APP pushes a "replacement is needed soon" reminder; when it reaches 20ml, the green light on the central control screen flashes and the buzzer sounds every 2 seconds. If the exudate speed reaches the set over-warning threshold, the APP immediately pushes a "rapid exudate warning" (red pop-up window + vibration) to the medical staff, and at the same time the central control screen displays "exudate too fast".

[0098] The condition of the drainage tube can be maintained by observing the drainage tube L through the semi-transparent magnetic mesh during daily ward rounds to see if it has shifted, kinked, or is properly secured.

[0099] Emergency and Maintenance Phase:

[0100] Emergency decompression operation: Press and hold the "Emergency Decompression" button for 2 seconds. The central control unit 300 triggers the emergency mechanism: the solenoid valves at the deflation ports of each sub-airbag 410 in the airbag 400 fully open, and the pressure drops to 0mmHg-8mmHg within 5 seconds. The display shows "Emergency decompression in progress," and the APP pushes an "Emergency Alarm" to the medical staff. After relief, press the "Mode Switch" button to restart the pressurization mode, and the system restores to the most recent settings. The emergency decompression operation is suitable for emergency scenarios such as sudden shortness of breath or pain in patients.

[0101] Equipment maintenance and charging:

[0102] Battery life management: When the display shows "Battery < 20%", connect the charger via Type-C cable and charge for 1 hour to fully charge (the battery life of the central control unit 300 is restored to ≥ 24 hours). The system maintains basic monitoring functions while charging (pressure and leakage volume collection are not affected).

[0103] Cleaning and Replacement: Wipe the outer layer of the abdominal binder with 75% alcohol for disinfection. The inner skin-friendly cotton layer is removable and washable (water temperature < 40℃). If the airbag module is damaged (such as air leakage or magnetic failure), replace the entire component. Leakage patches 500 are disposable and should be disposed of as medical waste.

[0104] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0105] The various embodiments in this specification are described in a related manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions of the method embodiments.

[0106] The above description is merely a preferred embodiment of this application and is not intended to limit the scope of protection of this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application are included within the scope of protection of this application.

Claims

1. A postoperative abdominal binder system, characterized in that, include: The abdominal binder body (100) is a strip-shaped structure, and the two ends of the abdominal binder body (100) are respectively provided with connecting structures (200) that can be connected to each other. A central control unit (300) is disposed on the abdominal belt body (100). An air pump and at least one airbag (400) are located on the abdominal belt body (100); the airbag (400) has an air inlet and an air outlet, and the air pump is connected to the air inlet; the airbag (400) is equipped with a pressure sensor, which is electrically connected to the central control unit (300) and can send a pressure signal indicating the air pressure inside the airbag (400) to the central control unit (300), and the central control unit (300) can control the pressure of the airbag according to the pressure signal; An exudative patch (500) has a metering sensor; the metering sensor is electrically connected to the central control unit (300) and can send a signal to the central control unit (300) indicating the volume of liquid stored in the exudative patch (500), and the central control unit (300) can monitor the volume of the stored liquid; With the connecting structures (200) at both ends of the abdominal binder body (100) connected, along the extension direction (X) of the abdominal binder body (100), on at least one side of the airbag (400), the abdominal binder body (100) is provided with a plurality of openings, each of which is provided with a silicone valve (600).

2. The postoperative abdominal binder system according to claim 1, characterized in that, The number of airbags (400) is three, and the three airbags (400) are arranged at intervals along the extension direction (X) perpendicular to the abdominal belt body (100). Multiple openings are provided between each two adjacent airbags (400), and each opening is provided with a silicone valve (600).

3. The postoperative abdominal binder system according to claim 1, characterized in that, The airbag (400) includes multiple sub-airbags (410), each sub-airbag (410) is equipped with the pressure sensor, each sub-airbag (410) includes an air inlet and an air outlet, the air pump is connected to the air inlets of the multiple sub-airbags (410), and adjacent sub-airbags (410) are connected by an elastic connector (420), the elastic connector (420) is provided with a gap (430).

4. The postoperative abdominal binder system according to claim 3, characterized in that, The central control unit (300) can determine, based on the received pressure signal, that when the pressure inside the sub-airbag (410) is lower than the preset minimum pressure, control the air pump to inflate the sub-airbag (410); or The central control unit (300) can control the sub-airbag (410) to deflate when the pressure inside the sub-airbag (410) is higher than the preset maximum pressure based on the received pressure signal.

5. The postoperative abdominal binder system according to claim 4, characterized in that, The sub-airbag (410) is equipped with solenoid valves at its air inlet and air outlet, and the solenoid valves are electrically connected to the central control unit (300). When the air pump inflates the sub-airbag (410) through the air inlet, the central control unit (300) can control the opening of the solenoid valve of the air inlet of the sub-airbag (410); When the central control unit (300) determines that the pressure inside the sub-airbag (410) is higher than the preset maximum pressure based on the received pressure signal, it controls the solenoid valve of the sub-airbag (410) to open.

6. The postoperative abdominal binder system according to any one of claims 1-5, characterized in that, The seepage patch (500) includes an absorbent layer (510), a storage layer (520) and a waterproof layer (530) stacked in sequence. The metering sensor is electrically connected to the central control unit (300) and can send a signal to the central control unit (300) indicating the volume of liquid stored in the storage layer (520).

7. The postoperative abdominal binder system according to claim 6, characterized in that, The metering sensor includes electrodes and a signal transmitting unit disposed on the liquid absorption layer (510); The material of the storage layer (520) is a conductive liquid-absorbing material. The electrode is connected to the storage layer (520). The signal transmitting unit is electrically connected to the central control unit (300) and can transmit the resistance signal of the conductive liquid-absorbing material collected by the electrode to the central control unit (300). The central control unit (300) can determine the volume of liquid stored in the storage layer (520) based on the resistance signal.

8. The postoperative abdominal binder system according to claim 6, characterized in that, The abdominal binder body (100) is provided with positioning protrusions for marking the location of the seepage patch (500).

9. The postoperative abdominal binder system according to claim 6, characterized in that, The surface of the seepage patch (500) is provided with a ring-shaped nested scale line (501) indicating the liquid absorption area.

10. The postoperative abdominal binder system according to any one of claims 1-5, characterized in that, The postoperative abdominal binder system also includes a display screen disposed on the abdominal binder body (100), and the display screen is electrically connected to the central control unit (300); The central control unit (300) can control the display screen to display: The liquid-absorbing patch (500) absorbs the volume of liquid, and after determining that the volume has reached a preset volume, controls the display screen to display an alarm signal; and / or, the pressure sensor detects the pressure value of the airbag.

11. A method for controlling a postoperative abdominal binder system, characterized in that, A central control unit applied to a postoperative abdominal binder system, wherein the postoperative abdominal binder system is any one of claims 1-10, and the method comprises: The system receives a pressure signal from a pressure sensor in the airbag, indicating the pressure inside the airbag, and controls the pressure of the airbag according to the pressure signal. When the pressure is lower than a preset minimum pressure, the system controls the airbag to inflate; when the pressure is higher than a preset maximum pressure, the system controls the airbag to deflate. The system receives a signal from a metering sensor in the seepage patch, indicating the volume of liquid stored in the seepage patch. Based on the received signal, the system monitors the volume of the stored liquid and issues an alarm when the volume exceeds a preset volume.

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