Portable biofeedback instrument for constipation patient

By designing a portable biofeedback device that combines multi-channel data acquisition and AI processing, personalized training and remote support for constipation patients have been achieved. This solves the problems of large size and inaccurate data acquisition in constipation treatment devices, and improves treatment effectiveness and patient compliance.

CN121489486APending Publication Date: 2026-02-10SUZHOU MUNICIPAL HOSPITAL
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Patent Information

Application Number
CN202511621138.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-07
Publication Date
2026-02-10

AI Technical Summary

Technical Problem

Existing constipation treatment equipment is bulky and complex to operate, which cannot meet the needs of daily training. Data collection is not accurate enough, and there is a lack of personalized training and feedback, resulting in unsatisfactory treatment effects and low patient compliance.

Method used

Design a portable biofeedback device, including catheters and a main unit, employing a multi-channel high-speed data acquisition module, an embedded AI processing unit, and a graphical module. It collects data through miniature pressure sensors and an airbag, and combines an adaptive microfluidic control module and a collaborative dynamic evaluation module to provide personalized training and remote support.

Benefits of technology

It achieves high portability, accurate data collection, personalized training and remote support, improving treatment flexibility and effectiveness, and enhancing patient training compliance and enjoyment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of medical instruments, in particular to a portable biofeedback instrument for constipation patients, which comprises a catheter and a host, the left end of the catheter is communicated with a rectum simulation air bag, the surface of the catheter is provided with an anal sphincter induction air bag, the right side of the top of the surface of the catheter is provided with a piezoelectric micropump I, and the left end of the catheter is provided with an anal sphincter induction air bag; one end of the first piezoelectric micropump is communicated with the guide pipe, the other end of the first piezoelectric micropump is communicated with a water tank, an inner pipe is arranged in an inner cavity of the guide pipe, and one end of the inner pipe penetrates to the outer side of the guide pipe and is communicated with a second piezoelectric micropump. The system has the advantages of high portability, intelligent analysis, personalized training, data synchronization and remote support; the host of the biofeedback instrument is in the size of a palm, accords with ergonomic holding, is internally provided with a rechargeable lithium battery, can be carried and used by a patient anytime and anywhere, does not need to go to a hospital and other professional places, greatly improves the flexibility and convenience of treatment, and saves the time and economic cost of the patient.
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Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a portable biofeedback device for patients with constipation. Background Technology

[0002] Constipation is a common digestive problem that causes many discomforts and seriously affects the quality of life. Traditional treatments for constipation often have limited effectiveness and lack personalized training and feedback mechanisms. Biofeedback therapy, as an emerging treatment method, transforms imperceptible physiological signals within the body into intuitive visual or auditory signals, allowing patients to actively perceive and regulate their own physiological functions, thereby achieving the goal of treatment.

[0003] Existing constipation treatment devices have significant drawbacks in several aspects. Drug treatment is prone to dependence and side effects, posing a potential threat to patients' health. Among physical therapy devices, traditional biofeedback therapy is bulky and complex to operate, requiring patients to undergo treatment in hospitals or other locations, resulting in poor flexibility and an inability to meet the needs of daily, on-the-go training. In terms of data collection, it is not accurate or comprehensive enough to fully reflect the activity of the rectal and anal muscles. Its analysis and processing functions are limited, failing to provide personalized training plans based on individual patient differences and real-time conditions, leading to unsatisfactory treatment results and low patient compliance.

[0004] Therefore, there is an urgent need for a portable biofeedback device for constipation patients to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a portable biofeedback device for constipation patients, which has the advantages of high portability, intelligent analysis and personalized training, data synchronization and remote support, and solves the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a portable biofeedback device for constipation patients, comprising: a catheter and a main unit, wherein the left end of the catheter is connected to a rectal simulation balloon, an anal sphincter sensing balloon is disposed on the surface of the catheter, a piezoelectric micropump I is disposed on the right side of the top of the catheter surface, one end of the piezoelectric micropump I is connected to the catheter, the other end of the piezoelectric micropump I is connected to a water tank, an inner tube is disposed in the inner cavity of the catheter, one end of the inner tube extends to the outside of the catheter and is connected to a piezoelectric micropump II, several air vents are opened on the right side of the catheter surface, the air vents are connected to the anal sphincter sensing balloon, several micro water outlets are opened on the left side of the catheter surface, and eight micro water outlets are embedded in the surface of the catheter.

[0007] The host includes a multi-channel high-speed data acquisition module, an embedded AI processing unit, and a graphics module.

[0008] The multi-channel high-speed data acquisition module receives and processes high-frequency pressure signals from the miniature pressure sensor in real time.

[0009] The embedded AI processing unit includes an adaptive microfluidic control module and a collaborative dynamic evaluation module.

[0010] The adaptive microfluidic control module dynamically adjusts the output power of the piezoelectric micropump and the opening and closing of different water outlets and the flow distribution based on real-time pressure data, training phase, and patient history.

[0011] The collaborative dynamic evaluation module comprehensively analyzes the thrust of the rectal simulated airbag, the relaxation degree of the anal sphincter sensing airbag, and the pressure of the miniature pressure sensor.

[0012] The main unit is electrically connected to a mobile app via Bluetooth.

[0013] Furthermore, as a preferred embodiment of the present invention, a circular tube is provided on the left side of the rectal simulated airbag, and the left side of the circular tube is set in an arc shape.

[0014] Furthermore, as a preferred embodiment of the present invention, the catheter is made of medical-grade silicone material and has a diameter of 8-10 mm.

[0015] Furthermore, as a preferred embodiment of the present invention, the mobile APP is electrically connected to the host, and the host is electrically connected to the rectal simulation airbag, the anal sphincter sensing airbag, the piezoelectric micropump one, the piezoelectric micropump two, and the micro pressure sensor.

[0016] Furthermore, as a preferred embodiment of the present invention, the main unit is palm-sized, ergonomically designed for comfortable grip, and has a built-in rechargeable lithium battery.

[0017] Furthermore, as a preferred embodiment of the present invention, the graphical module includes a collaborative windmill module, a target-driven gamification module, and a real-time voice guidance module; the collaborative windmill module presents deep muscle coordination in a visual windmill format; the target-driven gamification module enhances training compliance through game mechanics; and the real-time voice guidance module provides contextualized voice feedback to compensate for the limitations of visual interaction.

[0018] Furthermore, as a preferred embodiment of the present invention, the mobile APP has a built-in application that includes personalized training plans, immersive guided tutorials, data synchronization, and remote support. The personalized training plans can be tailored to the patient's specific situation, such as the type and severity of constipation, and physical condition. The immersive guided tutorials provide patients with detailed training guidance through videos, animations, and other formats. With data synchronization and remote support, patients can view their training data and historical records on the mobile APP to understand their training effects and progress.

[0019] This invention discloses a method for using a portable biofeedback device for patients with constipation, the method comprising the following steps: Step 1: Insert the round tube into the patient's anus. As the catheter and rectal simulated balloon gradually enter the body, the muscle activity around the patient's rectum and anus will generate pressure changes in the catheter. Eight miniature pressure sensors monitor these pressure changes in real time. There are eight miniature pressure sensors, corresponding to different depths and orientations of the pelvic floor muscle groups. At the same time, the rectal simulated balloon senses the thrust in the rectum, and the anal sphincter sensing balloon senses the contraction and relaxation state of the anal sphincter. When the patient uses this biofeedback device, the muscle activity around the rectum and anus will generate pressure changes in the catheter. The multi-channel high-speed data acquisition module receives signals from the miniature pressure sensors, rectal simulated balloon, and anal sphincter sensing balloon in real time. Step Two: The multi-channel high-speed data acquisition module transmits the acquired signals to the embedded AI processing unit of the host computer via electrical connection. The host computer, rectal simulation balloon, anal sphincter sensing balloon, piezoelectric micropump one, piezoelectric micropump two, and miniature pressure sensor are all electrically connected to ensure accurate and timely signal transmission. The adaptive microfluidic control module in the embedded AI processing unit dynamically adjusts the output power of piezoelectric micropump one and piezoelectric micropump two based on real-time pressure data, training stage, and patient's historical performance. For example, in the early stages of training, if the patient's anal sphincter contraction is relatively tense, the adaptive microfluidic control module will reduce the output power of the piezoelectric micropumps and reduce the water output from the miniature water outlets to alleviate the patient's pressure. As training progresses, the output power and water output are gradually increased according to the patient's progress, helping the patient gradually adapt and improve defecation function. The collaborative dynamic assessment module comprehensively analyzes the rectal simulation balloon, anal sphincter sensing balloon, piezoelectric micropump one, piezoelectric micropump two, and miniature pressure sensor to ensure accurate and timely signal transmission. The push force of the intestinal simulated airbag, the relaxation degree of the anal sphincter sensing airbag, and the pressure of the micro pressure sensor are used to determine the coordination between the patient's rectum and anal sphincter. The results are fed back to the adaptive microfluidic control module and the graphical module. For example, if the push force of the rectal simulated airbag is large, but the relaxation degree of the anal sphincter sensing airbag is insufficient, it indicates that the patient may have an excessive contraction of the anal sphincter during defecation, leading to difficulty in defecation. The synergistic dynamic assessment module will feed this result back to the adaptive microfluidic control module and the graphical module for corresponding adjustments and display. Step 3: The Coordination Windmill Module presents deep muscle coordination in the form of a visual windmill. When the patient's rectal and anal sphincter coordination is good, the windmill will rotate normally; if coordination problems occur, the windmill's rotation speed and direction will change. This method solves the problem of traditional waveform diagrams being abstract and difficult to understand, allowing patients to intuitively understand their muscle coordination. The Target Push Gamification Module improves training compliance through game mechanics. A target push value is set, and patients need to adjust their own muscle activity to make the push of the rectal simulated airbag reach or exceed the target value. In the process of reaching the target, patients can obtain game rewards and points, increasing the fun and motivation of training. The Real-Time Voice Guidance Module provides contextual voice feedback to compensate for the limitations of visual interaction. Based on the patient's training status and assessment results, the real-time voice guidance module will issue corresponding voice prompts, such as "relax the anal sphincter" and "increase abdominal pressure," to guide the patient to perform the correct training movements. Step 4: Based on the signal processing and analysis results, the adaptive microfluidic control module controls the operation of piezoelectric micropump 1 and piezoelectric micropump 2. Piezoelectric micropump 1 draws water from the tank into the conduit and sprays it out through the micro-outlet to simulate the process of fecal excretion. Piezoelectric micropump 2 adjusts the pressure and flow rate in the conduit through the inner tube to further optimize the simulation effect. By dynamically adjusting the output power and flow distribution of the piezoelectric micropump, the simulation and training of the patient's defecation function can be achieved. The main unit connects electrically to a mobile app via Bluetooth, synchronizing collected data and analysis results to the app. The app includes built-in applications such as personalized training plans, immersive guided tutorials, data synchronization, and remote support. Personalized training plans are tailored to each patient's specific situation, such as constipation type, severity, and physical condition. These plans are dynamically adjusted based on the patient's progress and feedback to ensure effectiveness and relevance. Immersive guided tutorials provide detailed instruction through videos and animations, allowing patients to access them anytime on the app to learn correct usage methods and training techniques. Data synchronization and remote support allow patients to view their training data and historical records on the app, understanding their training effects and progress. Simultaneously, doctors can remotely access patient data to provide remote support and guidance, adjusting the training plan as needed.

[0020] Beneficial effects: The technical solution of this application has the following technical effects: This invention has the advantages of high portability, intelligent analysis and personalized training, data synchronization and remote support.

[0021] The biofeedback device of this invention is palm-sized and ergonomically designed for easy handling. It has a built-in rechargeable lithium battery, allowing patients to carry and use it anytime, anywhere without having to go to hospitals or other specialized locations. This greatly improves the flexibility and convenience of treatment and saves patients time and money.

[0022] Accurate and comprehensive data collection: Through eight miniature pressure sensors corresponding to different depths and orientations of the pelvic floor muscle groups, combined with rectal simulation airbags and anal sphincter sensing airbags, it can comprehensively and accurately collect pressure data on the activity of the patient's rectum and perianal muscles, providing a reliable basis for subsequent analysis and processing, and helping to more accurately assess the patient's condition and develop personalized training programs.

[0023] Intelligent Analysis and Personalized Training: The embedded AI processing unit's adaptive microfluidic control module and collaborative dynamic evaluation module can intelligently analyze real-time data, training stages, and patient history to dynamically adjust the output power of the piezoelectric micropump and the opening and closing of the outlet and flow distribution, achieving personalized training feedback. A graphical module presents the training progress intuitively, and through gamification and real-time voice guidance, it improves patient compliance and engagement, enhancing training effectiveness.

[0024] Data Synchronization and Remote Support: Connecting to a mobile app via Bluetooth enables real-time data synchronization and remote sharing. Patients can view their training data and historical records on the app to understand their training effectiveness and progress. Doctors can remotely access patient data to provide timely remote support and guidance, adjust training plans, and improve the timeliness and effectiveness of treatment.

[0025] Safe and comfortable: The catheter is made of medical-grade silicone with a moderate diameter. The round tube on the left side of the rectal simulated balloon is set in an arc shape. These designs fully consider the safety and comfort of patients, reduce the discomfort of patients during use, and improve patient acceptance. Attached Figure Description

[0026] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 For the present invention Figure 1 A magnified view of part A in the image; Figure 3 This is a block diagram of the main unit of the present invention; Figure 4 This is a system flowchart of the present invention; Figure 5This is a flowchart of the workflow of the present invention.

[0027] The meanings of the labels in the figure are as follows: 1. Catheter; 2. Rectal simulated airbag; 3. Anal sphincter sensing airbag; 4. Piezoelectric micropump one; 5. Water tank; 6. Inner tube; 7. Piezoelectric micropump two; 8. Ventilation tube; 9. Miniature water outlet; 10. Miniature pressure sensor; 11. Round tube. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. To better understand the technical content of the present invention, specific embodiments are provided and described in conjunction with the accompanying drawings. Various aspects of the present invention are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] As attached Figure 1 To be continued Figure 5 As shown: This embodiment provides a portable biofeedback device for constipation patients, including: a catheter 1 and a main unit. The left end of the catheter 1 is connected to a rectal simulation balloon 2. An anal sphincter sensing balloon 3 is provided on the surface of the catheter 1. A piezoelectric micropump 4 is provided on the right side of the top of the surface of the catheter 1. One end of the piezoelectric micropump 4 is connected to the catheter 1, and the other end of the piezoelectric micropump 4 is connected to a water tank 5. An inner tube 6 is provided in the inner cavity of the catheter 1. One end of the inner tube 6 extends to the outside of the catheter 1 and is connected to a piezoelectric micropump 7. Several ventilation tubes 8 are opened on the right side of the surface of the catheter 1. The ventilation tubes 8 are connected to the anal sphincter sensing balloon 3. Several micro water outlets 9 are opened on the left side of the surface of the catheter 1. Eight micro water outlets 10 are embedded in the surface of the catheter 1.

[0030] The host includes a multi-channel high-speed data acquisition module, an embedded AI processing unit, and a graphics module.

[0031] The multi-channel high-speed data acquisition module receives and processes high-frequency pressure signals from the miniature pressure sensor 10 in real time.

[0032] The embedded AI processing unit includes an adaptive microfluidic control module and a collaborative dynamic evaluation module.

[0033] The adaptive microfluidic control module dynamically adjusts the output power of the piezoelectric micropump and the opening and closing of different water outlets and the flow distribution based on real-time pressure data, training phase, and patient history.

[0034] The collaborative dynamic evaluation module comprehensively analyzes the thrust of the rectal simulated airbag 2, the relaxation degree of the anal sphincter sensing airbag 3, and the pressure of the micro pressure sensor 10.

[0035] The main unit is electrically connected to a mobile app via Bluetooth.

[0036] Specifically, a circular tube 11 is provided on the left side of the rectal simulated airbag 2, and the left side of the circular tube 11 is set in an arc shape.

[0037] In this embodiment, the circular tube 11 facilitates the insertion of the catheter 1 into the patient's body, thereby improving the ease of use.

[0038] Specifically, catheter 1 is made of medical-grade silicone and has a diameter of 8-10mm.

[0039] In this embodiment, the material of the catheter 1 is designed to conform to ergonomics, minimizing discomfort during insertion.

[0040] Specifically, the mobile APP is electrically connected to the host, and the host is electrically connected to the rectal simulation airbag 2, the anal sphincter sensing airbag 3, the piezoelectric micropump 1 4, the piezoelectric micropump 2 7, and the miniature pressure sensor 10.

[0041] Specifically, the main unit is palm-sized, ergonomically designed for comfortable grip, and has a built-in rechargeable lithium battery.

[0042] Specifically, the graphical module includes a collaborative windmill module, a goal-driven gamification module, and a real-time voice guidance module. The collaborative windmill module presents deep muscle coordination in a visual windmill format. The goal-driven gamification module improves training adherence through game mechanics. The real-time voice guidance module provides contextualized voice feedback to compensate for the limitations of visual interaction.

[0043] Specifically, the mobile app includes a built-in application that features personalized training plans, immersive guided tutorials, data synchronization, and remote support. The personalized training plans can be tailored to the patient's specific situation, such as the type and severity of constipation, and their overall physical condition. The immersive guided tutorials provide detailed training guidance through videos and animations. With data synchronization and remote support, patients can view their training data and historical records on the mobile app to understand their training effects and progress.

[0044] This invention discloses a method for using a portable biofeedback device for patients with constipation, the method comprising the following steps: Step 1: Insert the round tube 11 into the patient's anus. After the catheter 1 and rectal simulated airbag 2 gradually enter the body, the muscle activity around the patient's rectum and anus will generate pressure changes on the catheter. Eight miniature pressure sensors 10 monitor these pressure changes in real time. There are eight miniature pressure sensors 10, corresponding to different depths and orientations of the pelvic floor muscle groups. At the same time, the rectal simulated airbag 2 senses the thrust in the rectum, and the anal sphincter sensing airbag 3 senses the contraction and relaxation state of the anal sphincter. When the patient uses this biofeedback device, the muscle activity around the rectum and anus will generate pressure changes on the catheter 1. The multi-channel high-speed data acquisition module receives signals from the miniature pressure sensors 10, the rectal simulated airbag 2 and the anal sphincter sensing airbag 3 in real time. Step Two: The multi-channel high-speed data acquisition module transmits the acquired signals to the embedded AI processing unit of the host computer via electrical connection. The host computer is electrically connected to the rectal simulation balloon 2, the anal sphincter sensing balloon 3, the piezoelectric micropump 1 4, the piezoelectric micropump 2 7, and the miniature pressure sensor 10 to ensure accurate and timely signal transmission. The adaptive microfluidic control module in the embedded AI processing unit dynamically adjusts the output power of the piezoelectric micropump 1 5 and the piezoelectric micropump 2 7 based on real-time pressure data, training stage, and the patient's historical performance. For example, in the early stages of training, if the patient's anal sphincter contraction is relatively tense, the adaptive microfluidic control module will reduce the output power of the piezoelectric micropumps and reduce the water output of the miniature water outlet 9 to alleviate the patient's pressure. As training progresses, the output power and water output are gradually increased according to the patient's progress to help the patient gradually adapt and improve defecation function. The collaborative dynamic assessment module comprehensively analyzes the rectum. The system simulates the thrust of the airbag 2, the relaxation degree of the anal sphincter sensing airbag 3, and the pressure of the micro pressure sensor 10 to determine the coordination between the patient's rectum and anal sphincter. The results are then fed back to the adaptive microfluidic control module and the graphical module. For example, if the thrust of the rectal simulated airbag 2 is large, but the relaxation degree of the anal sphincter sensing airbag 3 is insufficient, it indicates that the patient may have an excessive contraction of the anal sphincter during defecation, leading to difficulty in defecation. The synergistic dynamic assessment module will feed this result back to the adaptive microfluidic control module and the graphical module for corresponding adjustments and display. Step 3: The Coordination Windmill Module presents deep muscle coordination in the form of a visual windmill. When the patient's rectal and anal sphincter coordination is good, the windmill will rotate normally; if coordination problems occur, the windmill's rotation speed and direction will change. This method solves the problem of traditional waveform diagrams being abstract and difficult to understand, allowing patients to intuitively understand their muscle coordination. The Target Push Gamification Module improves training compliance through a game mechanism. A target push value is set, and patients need to adjust their own muscle activity to make the push of the rectal simulated airbag 2 reach or exceed the target value. In the process of reaching the target, patients can obtain game rewards and points, increasing the fun and motivation of training. The Real-Time Voice Guidance Module provides contextual voice feedback to compensate for the limitations of visual interaction. Based on the patient's training situation and assessment results, the real-time voice guidance module will issue corresponding voice prompts, such as "relax the anal sphincter" and "increase abdominal pressure," to guide the patient to perform the correct training movements. Step 4: Based on the signal processing and analysis results, the adaptive microfluidic control module controls the operation of piezoelectric micropump 1 4 and piezoelectric micropump 2 7. Piezoelectric micropump 1 4 draws water from the water tank 5 into the conduit 1 and sprays it out through the micro water outlet 9 to simulate the process of fecal excretion. Piezoelectric micropump 2 7 adjusts the pressure and flow rate in the conduit 6 through the inner tube to further optimize the simulation effect. By dynamically adjusting the output power and flow rate distribution of the piezoelectric micropump, the simulation and training of the patient's defecation function can be realized. The main unit connects electrically to a mobile app via Bluetooth, synchronizing collected data and analysis results to the app. The app includes built-in applications such as personalized training plans, immersive guided tutorials, data synchronization, and remote support. Personalized training plans are tailored to each patient's specific situation, such as constipation type, severity, and physical condition. These plans are dynamically adjusted based on the patient's progress and feedback to ensure effectiveness and relevance. Immersive guided tutorials provide detailed instruction through videos and animations, allowing patients to access them anytime on the app to learn correct usage methods and training techniques. Data synchronization and remote support allow patients to view their training data and historical records on the app, understanding their training effects and progress. Simultaneously, doctors can remotely access patient data to provide remote support and guidance, adjusting the training plan as needed.

[0045] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0046] While the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the invention. Therefore, the scope of protection of the present invention shall be determined by the claims.

Claims

1. A portable biofeedback device for constipation patients, characterized in that: include: The conduit (1) and the main unit are provided. The left end of the conduit (1) is connected to the rectal simulation airbag (2). The surface of the conduit (1) is provided with an anal sphincter sensing airbag (3). The right side of the top of the surface of the conduit (1) is provided with a piezoelectric micropump (4). One end of the piezoelectric micropump (4) is connected to the conduit (1). The other end of the piezoelectric micropump (4) is connected to a water tank (5). The inner cavity of the conduit (1) is provided with an inner tube (6). One end of the inner tube (6) extends to the outside of the conduit (1) and is connected to a piezoelectric micropump (7). Several air tubes (8) are opened on the right side of the surface of the conduit (1). The air tubes (8) are connected to the anal sphincter sensing airbag (3). Several micro water outlets (9) are opened on the left side of the surface of the conduit (1). Eight micro water outlets (10) are embedded in the surface of the conduit (1). The host includes a multi-channel high-speed data acquisition module, an embedded AI processing unit, and a graphics module; A multi-channel high-speed data acquisition module receives and processes high-frequency pressure signals from a miniature pressure sensor (10) in real time. The embedded AI processing unit includes an adaptive microfluidic control module and a collaborative dynamic evaluation module; The adaptive microfluidic control module dynamically adjusts the output power of the piezoelectric micropump and the opening and closing of different water outlets and the flow distribution based on real-time pressure data, training phase, and patient history. The collaborative dynamic evaluation module comprehensively analyzes the thrust of the rectal simulated airbag (2), the relaxation degree of the anal sphincter sensing airbag (3), and the pressure of the micro pressure sensor (10); The main unit is electrically connected to a mobile app via Bluetooth.

2. A portable biofeedback device for constipation patients according to claim 1, characterized in that: The left side of the rectal simulated airbag (2) is provided with a round tube (11), and the left side of the round tube (11) is set as an arc.

3. A portable biofeedback device for constipation patients according to claim 1, characterized in that: The catheter (1) is made of medical-grade silicone and has a diameter of 8-10 mm.

4. A portable biofeedback device for constipation patients according to claim 1, characterized in that: The mobile APP is electrically connected to the host, and the host is electrically connected to the rectal simulation airbag (2), the anal sphincter sensing airbag (3), the piezoelectric micropump one (4), the piezoelectric micropump two (7), and the micro pressure sensor (10).

5. A portable biofeedback device for constipation patients according to claim 1, characterized in that: The main unit is palm-sized, ergonomically designed for easy grip, and has a built-in rechargeable lithium battery.

6. A portable biofeedback device for constipation patients according to claim 1, characterized in that: The graphical module includes a collaborative windmill module, a target-driven gamification module, and a real-time voice guidance module; the collaborative windmill module presents deep muscle coordination in a visual windmill format; the target-driven gamification module improves training adherence through game mechanics; The real-time voice guidance module provides contextualized voice feedback, compensating for the limitations of visual interaction.

7. A portable biofeedback device for constipation patients according to claim 1, characterized in that: The mobile app includes a built-in application that features personalized training plans, immersive guided tutorials, data synchronization, and remote support. The personalized training plans can be tailored to the patient's specific situation, such as the type and severity of constipation, and their overall physical condition. The immersive guided tutorials provide detailed training guidance through videos and animations. With data synchronization and remote support, patients can view their training data and historical records on the mobile app to understand their training effects and progress.

8. A method of using a portable biofeedback device for constipation patients, characterized in that: The method includes the following steps: Step 1: Insert the round tube (11) into the patient's anus. After the catheter (1) and rectal simulated airbag (2) gradually enter the body, the muscle activity around the patient's rectum and anus will cause pressure changes on the catheter. Eight miniature pressure sensors (10) monitor these pressure changes in real time. There are eight miniature pressure sensors (10), corresponding to different depths and orientations of the pelvic floor muscle groups. At the same time, the rectal simulated airbag (2) senses the thrust in the rectum, and the anal sphincter sensing airbag (3) senses the contraction and relaxation state of the anal sphincter. When the patient uses this biofeedback device, the muscle activity around the rectum and anus will cause pressure changes on the catheter (1). The multi-channel high-speed data acquisition module receives signals from the miniature pressure sensors (10), rectal simulated airbag (2) and anal sphincter sensing airbag (3) in real time. Step 2: The multi-channel high-speed data acquisition module transmits the acquired signals to the embedded AI processing unit of the host via electrical connection. The host and the rectal simulation balloon (2), anal sphincter sensing balloon (3), piezoelectric micropump one (4), piezoelectric micropump two (7), and micro pressure sensor (10) are all electrically connected to ensure that the signals can be transmitted accurately and in a timely manner. The adaptive microfluidic control module in the embedded AI processing unit dynamically adjusts the output power of piezoelectric micropump one (5) and piezoelectric micropump two (7) according to real-time pressure data, training stage, and patient history. For example, in the early stage of training, if the patient's anal sphincter contraction is relatively tense, the adaptive microfluidic control module will reduce the output power of the piezoelectric micropump and reduce the water output of the micro water outlet (9) to reduce the pressure on the patient. As the training progresses, the output power and water output are gradually increased according to the patient's progress to help the patient gradually adapt to and improve defecation function. The collaborative dynamic evaluation module comprehensively analyzes the rectal simulation The thrust of the airbag (2), the relaxation degree of the anal sphincter sensing airbag (3), and the pressure of the micro pressure sensor (10) are used to determine the coordination between the patient's rectum and anal sphincter. The results are fed back to the adaptive microfluidic control module and the graphical module. For example, if the thrust of the rectal simulation airbag (2) is large, but the relaxation degree of the anal sphincter sensing airbag (3) is insufficient, it indicates that the patient may have excessive contraction of the anal sphincter during defecation, resulting in difficulty in defecation. The synergistic dynamic assessment module will feed back this result to the adaptive microfluidic control module and the graphical module for corresponding adjustments and display. Step 3: The collaborative windmill module presents the coordination of deep muscle groups in the form of a visual windmill. When the patient's rectal and anal sphincter muscles are in good coordination, the windmill will rotate normally. If coordination is impaired, the speed and direction of the windmill's rotation will change. This method solves the problem of the abstract and difficult-to-understand nature of traditional waveform diagrams, allowing patients to intuitively understand their muscle coordination. The target thrust gamification module improves training compliance through game mechanics. A target thrust value is set, and patients need to adjust their own muscle activity to make the thrust of the rectal simulated airbag (2) reach or exceed the target value. In the process of reaching the target, patients can obtain game rewards and points, increasing the fun and motivation of training. The real-time voice guidance module provides contextual voice feedback to make up for the limitations of visual interaction. Based on the patient's training situation and evaluation results, the real-time voice guidance module will issue corresponding voice prompts, such as "relax the anal sphincter" and "increase abdominal pressure," to guide the patient to perform the correct training movements. Step 4: Based on the results of signal processing and analysis, the adaptive microfluidic control module controls the operation of piezoelectric micropump 1 (4) and piezoelectric micropump 2 (7). Piezoelectric micropump 1 (4) draws water from the water tank (5) into the conduit (1) and sprays it out through the micro water outlet (9) to simulate the process of excretion of feces. Piezoelectric micropump 2 (7) adjusts the pressure and flow rate in the conduit (6) through the inner tube to further optimize the simulation effect. By dynamically adjusting the output power and flow rate distribution of the piezoelectric micropump, the simulation and training of the patient's defecation function can be realized. The main unit connects electrically to a mobile app via Bluetooth, synchronizing collected data and analysis results to the app. The app includes built-in applications such as personalized training plans, immersive guided tutorials, data synchronization, and remote support. Personalized training plans are tailored to each patient's specific situation, such as constipation type, severity, and physical condition. These plans are dynamically adjusted based on the patient's progress and feedback to ensure effectiveness and relevance. Immersive guided tutorials provide detailed instruction through videos and animations, allowing patients to access them anytime on the app to learn correct usage methods and training techniques. Data synchronization and remote support allow patients to view their training data and historical records on the app, understanding their training effects and progress. Simultaneously, doctors can remotely access patient data to provide remote support and guidance, adjusting the training plan as needed.