Leakage-proof comfortable bedpan suitable for bedridden patient

Abstract

The invention relates to a leakage-proof comfortable bedpan suitable for a bedridden patient. The leakage-proof comfortable bedpan comprises a shell, a flexible supporting layer, an excretion guiding assembly, a collecting bag connector, a liquid supply pipeline, an ultraviolet disinfection module and a control system. The bedpan is provided with a flexible structure attached to the buttocks and a sealing skirt edge, and dynamic attachment is achieved by adjusting inflation and deflation of an air bag through a micro air pump. Excreta is introduced into the collecting bag through the diversion trench and the one-way valve, and automatic cleaning and ultraviolet disinfection are sequentially performed after excretion is completed. The system automatically judges the excretion state through body position recognition and pressure induction and completes control response. The intelligent nursing bed has the advantages of being high in leakage-proof performance, convenient to clean, low in nursing burden and high in intelligent level.

Description

Technical Field

[0001] The present invention relates to the technical field of medical care equipment, and more particularly to a leak-proof and comfortable bedpan suitable for bedridden patients. Background Art

[0002] In the field of medical care, bedpans are one of the most commonly used basic life assistance devices for bedridden patients, mainly used to assist patients in completing the excretion process without getting out of bed. Especially in groups such as postoperative rehabilitation, paralysis, and Alzheimer's disease, due to factors such as limited mobility and uncontrolled defecation, the demand for in-bed excretion continues to increase. An ideal bedpan for bedridden patients should have good support, leak-proofness, and nursing convenience, reducing patient discomfort and the workload of nursing staff.

[0003] Currently, common bedpans for bedridden patients are mostly made of rigid materials, with a single structure, and need to be manually placed, adjusted in angle, and cleaned by nursing staff. Such bedpans have problems in actual application, such as poor fitting, frequent leakage, easy to cause pressure sores, difficult to clean, and non-intelligent use process. Especially at night or in high-frequency use scenarios, patients are prone to excretion overflow due to unstable positions, which can further lead to skin infections, bed linen contamination, and decreased nursing efficiency. Some high-end products attempt to introduce electronic control or sensing functions, but generally have limitations such as complex structures, insufficient fitting, sensing lag, and weak information feedback capabilities, making it difficult to balance comfort, safety, and intelligence levels.

[0004] Therefore, there is an urgent need for an intelligent bedpan system for bedridden patients with a reasonable structure, high fitting, good leak-proof performance, and capable of integrating human perception, automatic adjustment, and cleaning functions to solve the main technical problems existing in existing products in terms of fitting and sealing, excretion guidance, automatic control, and data feedback. Summary of the Invention

[0005] To solve the problems of the prior art, an embodiment of the present invention provides a leak-proof and comfortable bedpan suitable for bedridden patients. The technical solution is as follows:

[0006] On the one hand, a leak-proof and comfortable bedpan suitable for bedridden patients is provided, which includes a housing shell, a flexible support layer, an excretion surface area, a diversion groove, a one-way diversion valve, a collection bag interface, a liquid supply pipeline, an ultraviolet disinfection module, a control panel, and a control system. A concave structure is provided at the top of the housing shell and the flexible support layer is installed thereon. The middle of the flexible support layer is provided with the excretion surface area, which is a downwardly concave arc surface structure. The diversion groove is provided below the excretion surface area, and the bottom of the diversion groove is connected to the one-way diversion valve, and the one-way diversion valve is connected to the collection bag interface below; a liquid supply pipeline is provided inside the bedpan and is connected to a cleaning nozzle; the ultraviolet disinfection module is arranged at the top of the inner cavity of the bedpan; the control system is arranged inside the housing and is electrically connected to a flexible pressure sensor array, a body position recognition module, a micro air pump and an air circuit control component, a cleaning nozzle, an excrement monitoring module and a wireless communication module, and is used to automatically judge whether it is in an excretion state according to the collected body position and pressure data and execute corresponding control logic. The control panel is arranged on one side of the housing shell.

[0007] Further, the flexible support layer is composed of a slow-rebound foam and medical silicone, which fits the hip structure of the patient.

[0008] Further, an annular adjustable sealing skirt is provided at the edge of the flexible support layer, and an inflatable airbag is arranged inside the sealing skirt. The airbag is adjusted for inflation and deflation through the micro air pump and the air circuit control component.

[0009] Further, a hydrophilic liquid guiding layer is provided on the inner surface of the diversion groove for guiding excrement to the diversion valve.

[0010] Further, the collection bag interface is connected to a detachable multi-layer composite excrement collection bag, and the collection bag includes an anti-seepage layer, an odor isolation layer and an outer reinforcement film.

[0011] Further, the control system judges whether it enters the excretion preparation state based on the data of the body position recognition module and the pressure sensor array, and starts the air circuit control component to adjust the fitting state of the sealing skirt.

[0012] Further, after excretion is completed, the control system controls the cleaning nozzle to perform a fresh water rinse and a disinfectant rinse in sequence, and then controls the ultraviolet disinfection module to perform a cavity sterilization operation.

[0013] Further, the excrement monitoring module includes a color sensor, a temperature sensor and a conductivity sensor, which are used to detect physiological parameters such as the color, temperature and conductivity of excrement.

[0014] Further, the wireless communication module uses Bluetooth or Wi-Fi communication methods to exchange data with the nursing terminal, realizing remote uploading and real-time monitoring of excretion information.

[0015] Further, the control system has a preset automatic execution logic process and supports manual mode switching and function activation through the control panel.

[0016] The beneficial effects brought by the technical solutions provided in the embodiments of the present invention are:

[0017] The present invention provides a leak-proof and comfortable bedpan suitable for bedridden patients. By integrating a housing structure, a flexible support layer, a sealing skirt, an excretion guiding component, an automatic cleaning unit, an ultraviolet disinfection device, and an intelligent control system, it realizes excretion assistance functions with strong fitting, good leak-proof performance, intelligent control, and information visualization, and is particularly suitable for continuous nursing scenarios of postoperative, paralyzed, or elderly bedridden patients.

[0018] First, by adopting a flexible support layer composed of slow-rebound foam and medical silicone, it naturally fits with the patient's buttocks in structure. Combined with the annular sealing skirt and the inflation adjustment of the airbag driven by a micro air pump, it realizes dynamic sealed wrapping of patients with different body types, effectively preventing the overflow and leakage of excretions, and significantly improving the safety and comfort during use. The excretions are centrally drained through a diversion groove provided with a hydrophilic coating to a one-way valve and then introduced into a collection bag, ensuring rapid liquid drainage and no odor backflow.

[0019] Secondly, the control system can real-time judge the patient's excretion intention based on the body position recognition module and the pressure sensing array, and automatically complete operations such as skirt sealing adjustment, diversion valve control, cleaning spray, and ultraviolet irradiation. The whole process does not require turning over and no manual intervention, greatly reducing the intensity of nursing work and improving work efficiency and nursing quality. At the same time, the excrement monitoring module can collect excretion characteristic parameters and upload them to the terminal through the communication module, providing support for remote health management and data retention.

[0020] In summary, through the coordinated optimization of structure and control, the present invention has achieved significant improvements in aspects such as comfortable fitting, leak-proof safety, intelligent linkage, and data visualization, effectively overcoming the problems existing in existing bedpan products, such as rigid structure, easy leakage, cumbersome operation, and poor intelligence, and having good clinical adaptability and promotion application value. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 Schematic structural diagram of a leak-proof and comfortable bedpan for bedridden patients according to an embodiment of the present invention;

[0023] Figure 2 Schematic connection diagram of the functional modules of the control system of a leak-proof and comfortable bedpan for bedridden patients according to an embodiment of the present invention. Detailed implementation manners

[0024] To make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] The present invention provides a leak-proof and comfortable bedpan for bedridden patients, aiming to solve the deficiencies of traditional bedpans in terms of fitting, leak-proofing, ease of use and intelligent response capabilities. In particular, in view of the nursing characteristics of bedridden patients, such as difficulty in turning over, limited body position, fragile skin and high demand for excretion monitoring, the structure and function of the bedpan are adaptively designed. The bedpan realizes natural fitting with the patient's buttocks by introducing a flexible support layer and a dynamic sealing skirt in the structure; in terms of function, it integrates a body position recognition module, a pressure sensing module, an automatic cleaning module and a remote communication module, enabling the bedpan to automatically complete excretion assistance and hygiene treatment without the patient having to turn over or cooperate with complex operations, significantly improving the use comfort and nursing efficiency. The following combines the attached Figure 1 and the attached Figure 2 to elaborate in detail on the structure and control modules of the present invention.

[0026] I. Structural composition

[0027] As shown in the attached Figure 1 , the leak-proof and comfortable bedpan as a whole includes a housing shell 1, a flexible support layer 2, an excretion surface area 3, a diversion groove 4, a one-way diversion valve 5, a collection bag interface 6, a liquid supply pipeline 7, an ultraviolet disinfection module 8, as well as a flexible pressure sensor array, a micro air pump and an air path control component, a body position recognition module, a cleaning nozzle, an excrement monitoring module, a wireless communication module and a control system.

[0028] The housing shell 1 constitutes the rigid basic structure of the entire bedpan and is made of medical-grade polycarbonate material, having good mechanical strength and chemical corrosion resistance. A concave structure is provided at the top of the shell for embedding the flexible support layer 2. The flexible support layer is composed of slow-rebound foam and high-elastic medical silica gel, which fits the patient's buttocks, relieves pressure concentration and improves the use comfort.

[0029] The edge area of ​​the flexible support layer naturally transitions to a flexible surrounding area, where a closed annular sealing structure is provided, forming a so-called adjustable sealing skirt in structure. An inflatable airbag is embedded inside the sealing skirt, and a soft antibacterial elastic material is covered on the outside, forming a dynamic sealing area that fits around the buttocks. The airbag is connected to a micro air pump and an air circuit control component embedded inside the shell. By automatically adjusting the air pressure, the expansion state of the skirt is adjusted in real time to adapt it to different body shapes and lying postures, achieving a leak-proof effect.

[0030] The excretion surface area 3 is arranged at the center of the flexible support layer, and is a slightly concave arc surface structure, which facilitates the excrement to converge to the middle diversion groove 4. The diversion groove 4 is arranged longitudinally at the central axis position, and adopts a downward arc structure. Its inner surface has a hydrophilic liquid guiding treatment function, which is used to quickly guide the excrement to the bottom of the groove. The bottom of the diversion groove is connected to a one-way diversion valve 5, which is opened by force and automatically rebounds to close, ensuring that the liquid is discharged in one direction and preventing backflow.

[0031] A collection bag interface 6 is provided below the one-way flow guide valve 5, and the interface is connected to a disposable excrement collection bag. The collection bag is a multi-layer composite structure, including an impermeable layer, an activated carbon odor shielding layer, and an outer reinforced protective film layer. The bag body is fixed at the interface by a magnetic positioning ring and a buckle structure, which is easy to replace and has good sealing performance.

[0032] The liquid supply line 7 is arranged inside the toilet bowl, one end of which is connected to the clean water and disinfectant storage tank, and the other end is connected to the spray device, which can sequentially supply liquid to the cleaning nozzles arranged around the internal structure during the cleaning process. The cleaning nozzles are used to spray clean water and disinfectant to automatically flush the inside of the toilet bowl.

[0033] The ultraviolet disinfection module 8 is arranged inside the top of the toilet bowl. It adopts a 260-nanometer wavelength deep ultraviolet LED array and a reflective lampshade structure to perform multi-angle ultraviolet irradiation on the entire cavity to achieve a sterilization function.

[0034] The control system of the present invention is arranged inside the bedpan structure to coordinate the operation of various functional modules. To facilitate operation and status viewing, a control panel 9 is arranged on one side of the shell shell 1, and the control panel 9 includes function selection buttons, status indicator lights and an operation status display screen. The panel is used by nursing staff to manually start, switch functions, identify faults and query working status. The flexible pressure sensor array is used to collect the contact status of the buttocks; the body position recognition module is used to determine the lying posture; the micro air pump and the air path control component are used to adjust the fitting state of the skirt; the cleaning nozzle cooperates with the liquid supply system to complete automatic flushing; the excrement monitoring module is responsible for data collection; and the wireless communication module completes data exchange with the nursing terminal.

[0035] 2. Control system functions and connection relationships (see Appendix Figure 2 )

[0036] As shown in the appendix Figure 2 As shown, the present invention adopts a modular intelligent control architecture, with the control logic module as the core, to form a closed-loop control system of perception - decision - execution - communication - feedback. The overall functions of the system include three major module groups: data acquisition and recognition, action execution and feedback, and communication and remote monitoring. Each functional module is connected in the form of a wired or on-board bus and is uniformly scheduled and executed by the embedded program logic.

[0037] The control logic module is located at the core of the system and is mainly responsible for coordinating the operation of the following functional modules:

[0038] 1. Body position recognition module

[0039] It is used to collect the lying position information of the patient in real time, including states such as supine, left lateral lying, and right lateral lying. A three-axis inertial sensor is provided in the module, and the posture is determined by feeding back the attitude change parameters to the control logic module.

[0040] 2. Flexible pressure sensor array

[0041] It is deployed under the flexible support layer, and the contact area and distribution state of the buttocks are sensed through the pressure detection units distributed in an array, assisting the control system to identify whether the patient enters the excretion preparation state.

[0042] 3. Micro air pump and air circuit control component

[0043] It is started after receiving an instruction from the control logic module, and is used to adjust the air pressure set in the skirt airbag, so that the sealing skirt forms a closed fitting state with the buttocks, achieving the purpose of dynamic leakage prevention. The air circuit system has a pressure regulating circuit and an exhaust protection device, supporting multiple charging and discharging controls.

[0044] 4. One-way flow control valve control unit

[0045] After receiving the excretion instruction, it controls the opening of the flow control valve and automatically closes after the drainage is completed. This control unit is linked with the liquid level sensing or time control logic to ensure timely and effective excretion drainage without backflow.

[0046] 5. Cleaning nozzle control system

[0047] The control module starts the cleaning process in sequence according to the preset program, including spraying clean water and flushing with disinfectant, controlling the water pump and nozzle to execute sequentially by area, and adjusting the spraying pressure and flow rate as required. The control logic can set the automatic cleaning cycle according to the usage frequency.

[0048] 6. Ultraviolet disinfection module

[0049] It is started after the cleaning is completed, and irradiates with a deep ultraviolet LED array. The control module executes timed irradiation according to the timing logic. This module cooperates with the nozzle system to enclose the cleaning cavity to ensure aseptic treatment of the inner cavity.

[0050] 7. Excrement Monitoring Module

[0051] Integrate a color sensor, a temperature sensor, and an electrochemical detection electrode to collect the physical and chemical parameters of excrement in real time, including urine color, excretion temperature, urine sugar, conductivity, etc. The data is uploaded to the control module in real time for recording and judgment.

[0052] 8. Wireless Communication Module

[0053] During the operation of the control system, the monitoring data, device status, fault information, and excrement event records are sent to the nursing terminal or medical information system via Bluetooth or Wi-Fi to achieve remote real-time monitoring. The module has the capabilities of data encryption and resume transmission from breakpoint.

[0054] The control logic module makes logical judgments based on the received body position information and pressure status signals to identify whether the patient is in the excrement preparation state. When the conditions are met, the above modules are automatically started to execute the excrement assistance process.

[0055] The system execution process is as follows:

[0056] Signal acquisition stage: The body position recognition module and the pressure sensor provide real-time data;

[0057] Status judgment stage: The control logic module makes decision analysis;

[0058] Fitting adjustment stage: Start the air pump system to adjust the skirt seal;

[0059] Excrement control stage: Open the diversion valve and monitor the excrement;

[0060] Automatic cleaning stage: Perform flushing with clean water + disinfectant and ultraviolet sterilization;

[0061] Communication feedback stage: Push the records and status information to the nursing terminal.

[0062] This control architecture has the characteristics of high automation, sensitive response, and strong module independence, supports three operation modes: pre-programming, manual triggering, and remote control, and adapts to the application requirements of multiple scenarios such as hospital wards and home care.

[0063] III. Application Examples

[0064] In the rehabilitation department of a certain tertiary first-class hospital, a 76-year-old female patient had been bedridden for a long time after left femoral neck fracture surgery, accompanied by weakened defecation control and difficulty in body position conversion. The patient needed to complete daily excrement operations in bed. Due to the rigid structure of the traditional bedpan, it could not fit well, and problems such as leakage, difficult cleaning, and heavy workload for nursing staff often occurred during use, seriously affecting the patient's comfort and ward hygiene management.

[0065] The nursing staff equipped the patient's bed with the leak-proof and comfortable bedpan device described in the present invention. The device is embedded under the hospital bed and positioned directly under the patient's buttocks. The device is in a standby state and connected to the ward nursing terminal system.

[0066] When the patient has an excretion reaction, there is no need to turn over or assist in adjusting the body position. The bedpan system uses a flexible pressure sensor to detect the pressure distribution of the buttocks in real time, and at the same time, the body position recognition module confirms that the patient is in a stable supine state. The control system then activates the air pump, and through the air path component, inflates the skirt airbag to make it expand flexibly, forming a closed fitting area around the buttocks to ensure no leakage risk during the subsequent excretion process.

[0067] Excreta flows from the excretion surface area and concentrates into the diversion groove, and automatically enters the collection bag set at the bottom of the bedpan. The one-way diversion valve automatically opens according to the liquid flow situation and quickly closes after the diversion is completed, effectively isolating the odor from flowing back. After the system detects the end of the excretion action, it immediately starts the cleaning program in sequence, including fresh water spraying, disinfectant flushing, and deep ultraviolet LED irradiation sterilization process. The entire cleaning process is automatically controlled by a preset program and lasts for about 60 seconds without manual intervention.

[0068] At the same time, the excreta monitoring module real-time detects the color, temperature, and conductivity characteristics of the patient's urine. After identifying no abnormal parameters, it automatically uploads the monitoring data and operation records to the nursing terminal through the wireless communication module. During the ward round, the nursing staff completes the operation of replacing the collection bag according to the terminal reminder.

[0069] The patient does not need to turn over during the whole process, and no skin indentation or discomfort reaction occurs. Compared with the traditional nursing method, the nursing working hours are reduced by an average of 70%, the odor control is significantly improved, and the sanitation cleaning rate after the use of the bedpan is close to 100%. At the same time, through the Internet of Things data upload, the nursing staff can track the patient's excretion frequency, health indicators, and the status of nursing equipment in the background, greatly improving the intelligent level of the ward.

[0070] This example fully verifies the actual application effect of the present invention, which has significant advantages in improving the patient's comfort, reducing the risk of cross-infection, reducing the nursing burden, and realizing the intelligent management of excretion data.

[0071] IV. Summary

[0072] The present invention realizes the full-automatic processing of the excretion process of bedridden patients by reasonably constructing flexible structures, pneumatic seals, excretion guides, cleaning and disinfection, and intelligent control modules. The device has good comfort, leak-proofness, and nursing compatibility, and is especially suitable for use in hospitals, elderly care institutions, and home care, with good application prospects and industrial transformation value.

[0073] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A leak-proof and comfortable bedpan suitable for bedridden patients, characterized in that: It includes a shell shell, a flexible supporting layer, an excretion surface area, a guide groove, a one-way guide valve, a collection bag interface, a liquid supply pipeline, an ultraviolet disinfection module, a control panel, and a control system. The top of the shell shell is provided with a recessed structure and the flexible supporting layer is installed. The middle of the flexible supporting layer is provided with the excretion surface area, and the excretion surface area is a downwardly recessed arc surface structure. The guide groove is provided below the excretion surface area, and the bottom of the guide groove is connected to the one-way guide valve, and the one-way guide valve is connected to the collection bag interface below; the liquid supply pipeline is provided inside the toilet bowl and is connected to a cleaning nozzle; the ultraviolet disinfection module is arranged at the top of the inner cavity of the toilet bowl; the control system is arranged inside the shell and is electrically connected to the flexible pressure sensor array, the body position recognition module, the micro air pump and the air path control component, the cleaning nozzle, the excrement monitoring module and the wireless communication module, and is used to automatically determine whether it is in the excretion state according to the collected body position and pressure data and execute the corresponding control logic, and the control panel is arranged on one side of the shell shell.

2. The leakproof and comfortable bedpan according to claim 1, characterized in that: The flexible supporting layer is composed of a slow-rebound foam and medical silica gel, and fits the patient's buttocks structure.

3. The leakproof and comfortable bedpan according to claim 1, characterized in that: An annular adjustable sealing skirt is arranged at the edge of the flexible supporting layer, an inflatable airbag is arranged inside the sealing skirt, and the airbag is inflated and deflated by the micro air pump and the air path control component.

4. The leakproof and comfortable bedpan according to claim 1, characterized in that: The inner surface of the guide groove is provided with a hydrophilic liquid guiding layer for guiding the excreta to flow toward the guide valve.

5. The leakproof and comfortable bedpan according to claim 1, characterized in that: The collecting bag interface is connected to a detachable multi-layer composite excrement collecting bag, and the collecting bag comprises an impermeable layer, an odor isolation layer and an outer reinforcement film.

6. The leakproof and comfortable bedpan according to claim 1, characterized in that: The control system determines whether to enter the excretion preparation state based on the data of the body position recognition module and the pressure sensor array, and starts the air path control component to adjust the sealing skirt fitting state.

7. The leakproof and comfortable bedpan according to claim 1, characterized in that: After the excretion is completed, the control system sequentially controls the cleaning nozzle to perform water flushing and disinfectant flushing, and then controls the ultraviolet disinfection module to perform the cavity sterilization operation.

8. The leakproof and comfortable bedpan according to claim 1, characterized in that: The excrement monitoring module includes a color sensor, a temperature sensor and a conductivity sensor, which are used to detect the color, temperature and conductivity of excrement.

9. The leakproof and comfortable bedpan according to claim 1, characterized in that: The wireless communication module uses Bluetooth or Wi-Fi communication to exchange data with the nursing terminal, realizing remote uploading and real-time monitoring of excretion information.

10. The leakproof and comfortable bedpan according to claim 1, characterized in that: The control system has a preset automatic execution logic process and supports manual mode switching and function activation through the control panel.

Images