A multifunctional nursing bed

Abstract

This invention discloses a multifunctional nursing bed, specifically relating to the field of nursing bed technology. It includes a bed frame with two rotatably mounted support frames in the middle. A bedpan assembly is also fixed in the middle of the bed frame. The upper end of each support frame has a groove adapted to the bedpan assembly. A leg rest is provided at the rear end of the bed frame, and a nursing module is provided on the side of the bed frame. This multifunctional nursing bed uses a light sensor to accurately detect excretion behavior and dynamically adjust the timing (e.g., T0 reset, extended timing for intermittent excretion). Combined with temperature adaptive control of the preheating cleaning solution (constant temperature of 32℃, heat preservation during continuous excretion), it achieves fully automated response from detection to cleaning and waste removal. It can meet both routine toilet needs and special scenarios such as diarrhea and intermittent defecation, reducing manual intervention while ensuring continuous care.

Description

Technical Field

[0001] This invention relates to the field of nursing bed technology, and in particular to a multifunctional nursing bed. Background Technology

[0002] With social development and a significant aging population, the number of patients requiring long-term bed rest for treatment or rehabilitation is increasing. Therefore, nursing beds have become a primary tool for caring for long-term bedridden patients. To facilitate defecation in bed, some nursing beds have built-in bedpans, allowing patients to defecate without getting out of bed. However, existing nursing beds generally require patients to actively open the bedpan lid. For patients with incontinence or cognitive impairment (such as those with Alzheimer's disease), the inability to open the lid during defecation renders the bedpan ineffective, resulting in a poor user experience. Furthermore, some existing nursing beds lack automatic washing, drying, and waste disposal functions, requiring patient intervention at each stage, which is extremely inconvenient for patients with cognitive impairment.

[0003] Chinese patent document CN116270071A discloses a nursing bed with an automatic bedpan system and an intelligent control method for the bedpan. The nursing bed includes a bed frame, with a bedpan embedded in the bed frame. The bedpan has a lid, and a urinal cover is also provided on the bed frame. The nursing bed also includes a controller and connected to it a lid opening mechanism, a flushing mechanism, a waste disposal mechanism, and an air supply mechanism. Several humidity sensors connected to the controller are spaced apart on the upper surface of the bedpan lid. The humidity sensors are triggered by damp substances falling on the surface of the bedpan lid, and the controller will only control the lid opening mechanism to open the bedpan lid when at least two humidity sensors are triggered. The intelligent control method for the nursing bed and bedpan provided by this invention not only allows patients to defecate in bed, but also automatically opens the bedpan lid during defecation and automatically flushes, dries, and disposes of waste after defecation. It requires no active operation from the patient, is less prone to misoperation, and provides a good user experience.

[0004] However, existing nursing beds have significant shortcomings in terms of the precision of automated bedpan care, the integration of multifunctional rehabilitation aids, and the user-friendliness of operation. There is an urgent need for a multifunctional nursing bed that can be adapted to special patient groups, realize intelligent care throughout the entire process, and also promote rehabilitation, in order to solve the above-mentioned technical problems. Summary of the Invention

[0005] The main objective of this invention is to provide a multifunctional nursing bed that can effectively address the significant shortcomings in the accuracy of automated bedpan care, the integration of multifunctional rehabilitation aids, and the user-friendliness of operation.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A multifunctional nursing bed includes a bed frame, two support frames rotatably mounted in the middle of the bed frame, a bedpan assembly fixed in the middle of the bed frame, a groove adapted to the bedpan assembly on the upper end of the support frame, a leg rest at the rear end of the bed frame, and a nursing module on the side of the bed frame. The nursing module includes a guide rail one fixed to one side of the bed frame, an L-shaped support arm slidably mounted on the outer surface of the guide rail one, a guide rail two fixed to the lower end of the horizontal part of the L-shaped support arm, a massage component slidably mounted on the outer surface of the guide rail two, two self-locking motors fixed in the inner cavity of the horizontal part of the L-shaped support arm, a sling provided at the output end of the self-locking motor via a pulley, a display screen provided at the front end of the horizontal part of the L-shaped support arm, a solar irradiation lamp fixed at the rear end of the horizontal part of the L-shaped support arm, and a solar energy import component provided at the input end of the solar irradiation lamp; Two slings have pull rings at the ends away from the pulleys, and a detachable strap is provided between the two pull rings.

[0007] Preferably, the massage component includes a base that is slidably mounted to the guide rail, two cylinders are fixed at the lower end of the L-shaped support arm, a massage head and a rotary motor are respectively provided at the output end of the two cylinders, a U-shaped bracket is fixed at the output end of the rotary motor, and massage rollers are rotatably mounted on both the left and right sides of the U-shaped bracket.

[0008] Preferably, the toilet bowl assembly includes a device housing placed on the ground and a toilet bowl body fixed to the upper end of a support frame. The upper end of the toilet bowl body is provided with a gasket assembly for blocking urine. The inner wall of the toilet bowl body is also provided with a light sensor, a cleaning nozzle, a cleaning hole, and a ventilation hole. The device housing contains a clean water tank, a wastewater tank, and a detergent container. The clean water tank and the cleaning nozzle, and the detergent container and the cleaning hole are all connected by a clean water pipe.

[0009] Preferably, the toilet bowl body and the sewage tank are connected by a drain pipe, and a suction pump is also provided at the end where the sewage tank is connected to the drain pipe.

[0010] Preferably, a heating rod is also installed inside the clean water tank, and a cleaning pump is also installed between the clean water tank and the clean water pipe; The gasket assembly is made of medical-grade silicone. The toilet bowl body is also equipped with a check valve at the drain outlet.

[0011] Compared with the prior art, the present invention has the following beneficial effects: This invention enables automatic patient turning by driving a support frame with an electric actuator, assists patients in getting up with a self-locking motor and slings, and automates the processes of excretion detection, cleaning, sewage discharge and deodorization in the bedpan assembly. This significantly reduces manual operation, allowing caregivers to care for more patients at the same time and reducing the risk of patient discomfort caused by improper manual operation.

[0012] This invention uses a gasket assembly made of medical-grade silicone material to ensure a tight fit, prevent leakage, and facilitate cleaning. It can be washed with 32°C warm water to avoid irritation. The massage component relieves muscle stiffness and promotes blood circulation through point pressure and rolling massage. The solar lighting system provides natural light to patients in the ward, which helps with vitamin D synthesis and calcium absorption, thereby improving patients' quality of life in many ways and assisting in the recovery of bodily functions.

[0013] This invention uses a light sensor to accurately detect excretion behavior and dynamically adjust the timing (such as T0 reset, extending the timing during intermittent excretion), combined with temperature adaptive control of the preheating of the cleaning solution (32℃ constant temperature, heat preservation during continuous excretion), to achieve fully automated response from detection to cleaning and sewage discharge. It can meet the needs of regular toileting, as well as cope with special scenarios such as diarrhea and intermittent defecation, reducing manual intervention while ensuring the continuity of care.

[0014] The cleaning process of this invention adopts a phased rinsing method (first with cleaning agent, then with clean water), and uses 32°C warm water that is suitable for human body temperature. During sewage discharge, a suction pump and a check valve work together to prevent backflow and odor. The deodorization process specifically removes odors and moisture. At the same time, a manual intervention option and an abnormality reminder function are set up, which retains the space for manual control on the basis of automation. This avoids the discomfort caused by frequent start-ups and shutdowns of the equipment, and can respond to sudden situations of patients in a timely manner, thereby improving the safety and experience of nursing care. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the nursing module of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the toilet bowl assembly of the present invention; Figure 5 This is a partial structural diagram of the toilet bowl assembly of the present invention. Figure 1 ; Figure 6 This is a partial structural diagram of the toilet bowl assembly of the present invention. Figure 2 ; Figure 7 This is a cross-sectional view of the toilet bowl assembly of the present invention; Figure 8 This is a schematic diagram of the internal structure of the device housing of the present invention; Figure 9 This is a schematic diagram of the structure of the present invention for assisting patients in turning over; Figure 10 This is a schematic diagram of the structure of the present invention for assisting patients to sit up.

[0016] In the picture: 1. Bed frame; 2. Support frame; 3. Bedpan assembly; 4. Leg rest; 11. Nursing module; 111. Guide rail one; 112. L-shaped support arm; 113. Guide rail two; 114. Self-locking motor; 115. Sling; 116. Display screen; 117. Solar illumination lamp; 118. Solar energy import component; 12. Massage components; 121. Base; 122. Cylinder; 123. Massage head; 124. Rotary motor; 125. U-shaped bracket; 126. Massage roller; 3. Toilet bowl assembly; 31. Device housing; 32. Toilet bowl body; 33. Gasket assembly; 34. Light sensor; 35. Cleaning nozzle; 36. Cleaning hole; 37. Vent; 38. Clean water tank; 39. Waste water tank; 40. Washing liquid pitcher. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0018] Example 1 like Figure 1 As shown, a multifunctional nursing bed includes a bed frame 1. Two support frames 2 are rotatably mounted in the middle of the bed frame 1. Two electric push rods are also provided at the lower end of the bed frame 1. When the output end of the electric push rod extends or retracts, it can drive the support frame 2 to rotate, thereby assisting the patient to turn over from side to side and avoid long-term pressure on the same part of the patient. A bedpan assembly 3 is also fixed in the middle of the bed frame 1. The upper end of the support frame 2 is also provided with a groove adapted to the bedpan assembly 3. A leg rest 4 is provided at the rear end of the bed frame 1. The leg rest 4 is existing technology. When in use, the angle of the leg rest 4 is also adjusted by electric push rods so that the patient can sit up. A nursing module 11 is also provided on the side of the bed frame 1.

[0019] like Figure 2 and Figure 3 As shown, the nursing module 11 includes a guide rail 111 fixed to one side of the bed frame 1. An L-shaped support arm 112 is slidably mounted on the outer surface of the guide rail 111. The L-shaped support arm 112 can slide back and forth on the surface of the guide rail 111. A guide rail 2 113 is fixed to the lower end of the horizontal part of the L-shaped support arm 112. A massage component 12 is slidably mounted on the outer surface of the guide rail 2 113, so that the massage component 12 can slide left and right on the surface of the guide rail 2 113. Two self-locking motors 114 are also fixed in the inner cavity of the horizontal part of the L-shaped support arm 112. A sling 115 is provided at the output end of the self-locking motor 114 through a pulley. When the self-locking motor 114 rotates, the sling 115 can be wrapped around the outer surface of the pulley so that the other end of the sling 115 can move up and down.

[0020] In addition, each of the two slings 115 has a pull ring at the end furthest from the pulley, and a detachable strap is provided between the two pull rings. When the caregiver needs to help the patient sit up, the strap is placed under the patient's back beforehand. The strap is simply connected to the pull ring, and then the self-locking motor 114 is rotated. The power of the self-locking motor 114 is used to help the patient sit up, reducing the workload of the operator. To prevent the patient's own weight from causing the self-locking motor 114 to reverse after being helped up, thus causing the patient to fall, an electromagnetic brake can also be provided at the output end of the self-locking motor 114. Electromagnetic brakes are existing technology and will not be described in detail in this embodiment.

[0021] A display screen 116 is also provided at the front end of the horizontal section of the L-shaped support arm 112. The display screen 116 is used to display the working status of the device and can be designed with a touch screen for controlling the operation of the device. A solar irradiation lamp 117 is also fixed at the rear end of the horizontal section of the L-shaped support arm 112. A solar energy import component 118 is provided at the input end of the solar irradiation lamp 117. The solar energy import component 118 is existing technology and is installed outdoors to collect sunlight. It then transmits the sunlight to the solar irradiation lamp 117 through optical fiber so that the patient can still receive sunlight in the ward. The design of the solar irradiation lamp 117 at the rear end of the horizontal section of the L-shaped support arm 112 ensures that its irradiation range is below the head and does not shine on the patient's eyes. Using sunlight to irradiate the patient can improve the patient's immunity, not only increase the synthesis of vitamin D, but also promote calcium absorption.

[0022] like Figure 3 As shown, the massage component 12 includes a base 121 that is slidably mounted with the guide rail 113. Two cylinders 122 are fixed at the lower end of the L-shaped support arm 112. Since the cylinders 122 require gas to provide power, an air pump (not shown in the figure) is also installed inside the vertical part of the L-shaped support arm 112. The design using gas as a power source allows the massage intensity to be adjusted by controlling the air pressure. The massage intensity is more precise than that of an electric push rod and has a lower operating cost than that of a hydraulic cylinder. The output ends of the two cylinders 122 are respectively equipped with a massage head 123 and a rotary motor 124. A U-shaped bracket 125 is fixed at the output end of the rotary motor 124. Massage wheels 126 are rotatably mounted on both the left and right sides of the U-shaped bracket 125.

[0023] Specifically, when the massage head 123 is used to massage the patient, the output end of the cylinder 122 connected to it quickly extends and retracts, thereby massaging the patient's body and applying pressure to the muscles of the lower back to relieve muscle stiffness. When the massage roller 126 is used to massage the patient, the output end of the cylinder 122 connected to it extends, allowing the massage roller 126 to contact the patient's body. Then, the output end of the rotating motor 124 is controlled to work, thereby massaging the patient's body, rolling along the legs and back, simulating manual massage, and promoting blood circulation.

[0024] like Figure 4 - Figure 10 As shown, the bedpan assembly 3 includes a device housing 31 placed on the ground and a bedpan body 32 fixed to the upper end of the support frame 2. The lower end of the bedpan body 32 is provided with a defecation hole, and the upper end of the bedpan body 32 is provided with a gasket assembly 33 for blocking urine. The inner wall of the bedpan body 32 is also provided with a light sensor 34, a cleaning nozzle 35, a cleaning hole 36, and a ventilation hole 37. The device housing 31 is provided with a clean water tank 38, a waste water tank 39, and a detergent bottle 40. The clean water tank 38 and the cleaning nozzle 35, and the detergent bottle 40 and the cleaning hole 36 are connected by a clean water pipe. The clean water tank 38 contains a pre-mixed cleaning agent, not pure water. The cleaning agent is used to clean the patient's buttocks and also to clean the inner wall of the bedpan body 32. The bedpan body 32 and the waste water tank 39 are connected by a sewage pipe, and the end of the waste water tank 39 connected to the sewage pipe is also provided with a suction pump so that the excrement is collected into the waste water tank 39.

[0025] The clean water tank 38 is also equipped with a heating rod, which is used to heat the clean water in the clean water tank 38 so that the device can clean the patient's buttocks. A cleaning pump is also installed between the clean water tank 38 and the clean water pipe. The cleaning pump is used to transfer the clean water in the clean water tank 38 to the cleaning nozzle 35 and the cleaning hole 36 so that the device can clean the bedpan body 32 and the patient's buttocks.

[0026] like Figure 5 As shown, the gasket assembly 33 is made of medical-grade silicone material, which is soft and breathable, fits tightly to the patient's groin (preventing urine splashing), has a smooth surface that is easy to clean, and can be disassembled and replaced separately (to avoid cross-infection).

[0027] The toilet bowl body 32 is also equipped with a backflow preventer at the drain outlet to prevent backflow of odors.

[0028] The specific implementation method of this embodiment is as follows: I. Device Initialization: Move the patient to the nursing bed and adjust the height of the leg support 4 to the natural bend of the patient's legs; set the parameters through the display screen 116 (turning cycle 2 hours, massage duration 15 minutes / time, light exposure time 10:00-11:00 AM daily).

[0029] II. Turning Over Assistance: After the set time, the electric actuator automatically drives the support frame 2 to rotate (the left side is raised 30°, held for 5 minutes and then returned to its original position, and the right side is raised after 1 hour), and the patient feels stable and without pressure.

[0030] III. Toilet Care: When the patient defecates, the light sensor 34 triggers the system to start (the light sensor 34 uses infrared non-contact detection, which triggers the signal by recognizing changes in light obstruction by excrement; when the light sensor 34 continuously detects light obstruction, it determines that "defecation has begun"): The bedpan body 32 and the support frame 2 are precisely aligned in the adapter groove, and the gasket assembly 33 fits the patient's skin. After defecation, the buttocks and toilet bowl are automatically cleaned with 32℃ warm water, the suction pump removes waste, and the exhaust vent removes odors.

[0031] IV. Rehabilitation Massage: Every afternoon at 3 PM, massage component 12 moves along guide rail 2 113 to the patient's lower back: First, massage using the massage head at points 1, 2, and 3 (20 times per minute) for 5 minutes; Then switch to the massage roller 126 rolling massage (40 rpm) for 10 minutes to relieve muscle tension.

[0032] V. Healthy Light Exposure: At 10:00 AM, solar-powered lamp 117 was turned on, and natural light was transmitted through optical fiber to the patient's chest and abdomen (avoiding the eyes) to promote vitamin D synthesis.

[0033] VI. Status Monitoring: The display screen 116 shows the real-time operating status of the equipment (such as the water level in the clean water tank, the fullness of the wastewater tank, and the massage intensity), and automatically alarms when the water level is low or the tank is full.

[0034] Example 2 Based on Example 1, this embodiment provides supplementary explanations regarding the automated operation logic, safety protection, and special scenario handling of the bedpan component 3, ensuring that it achieves efficient, comfortable, and hygienic toilet assistance functions in the care of long-term bedridden patients (such as paralyzed or postoperative recovering patients).

[0035] S1. System Detection: A. When the light sensor 34 detects excretion, it starts timing T0 (the default value is 5 minutes, which can be adjusted via the display 116, ranging from 2 to 10 minutes). If excretion is detected again, the timing will restart (starting from the time the screen is blocked again). B. If a continuous photoelectric signal or a signal indicating that the excrement is full is detected, it is assumed that the excrement is full and the process proceeds to S4.

[0036] S2. Preheating of cleaning solution: A. When the light sensor 34 detects the excretion behavior, the heating rod heats the liquid in the clean water tank 38; B. The heating will automatically shut off when the temperature reaches 32°C (the water tank 38 has a built-in temperature sensor that automatically cuts off the power to the heating rod when the liquid temperature reaches 32°C; if the temperature cools down naturally to below 30°C, the heating will restart when discharge is detected again). C. If the patient has continuous bowel movements within one hour (such as in the case of diarrhea), the heating rod should be kept warm to avoid repeated heating and wasting energy.

[0037] S3, Buttock washing A. When the light sensor has been in operation for 34 minutes (T0) and no defecation behavior has been detected, the excretion process ends. B. After defecation, the cleaning pump will start and the timer will start for 1 minute.

[0038] S4. Excrement removal Turn on the vacuum pump and turn it off after T2 minutes. The vacuum pump will remove the feces during the process.

[0039] S5, Deodorizing Toilet Seat After the vacuum pump is turned off, open the exhaust vent 37, run for T3 minutes and then turn it off to remove odors and moisture from inside the toilet bowl body 32;

[0040] A. Extended timing rule: After T3 is turned on, if the light sensor 34 detects defecation behavior and the duration of T3 does not exceed X minutes (X is 3 minutes by default), the original T0 timing will be extended to 4 times (e.g., if the original T0 = 5 minutes, it needs to be extended to 20 minutes) to avoid frequent start-stop of the device; B. Manual intervention option: Nurses can click "Manually confirm the end of defecation" on display screen 116 to forcibly stop the timer and proceed to the next step (applicable to scenarios where the patient clearly indicates that defecation is complete). C. Abnormal Reminder: If intermittent excretion is triggered multiple times within one hour, display screen 116 will show "Abnormal Excretion Reminder" so that nursing staff can check the patient's physical condition in a timely manner.

[0041] It should be noted that the specific installation methods, circuit connection methods, and control methods of the bed frame 1, motor, display screen 116, and solar panel inlet assembly 118 in this invention are all conventional designs, and will not be described in detail in this invention.

Claims

1. A multifunctional nursing bed, comprising a bed frame (1), characterized in that: Two support frames (2) are rotatably installed in the middle of the bed frame (1). A bedpan assembly (3) is also fixed in the middle of the bed frame (1). A groove adapted to the bedpan assembly (3) is opened at the upper end of the support frame (2). A leg rest (4) is provided at the rear end of the bed frame (1). A nursing module (11) is also provided on the side of the bed frame (1). The nursing module (11) includes a guide rail (111) fixed to one side of the bed frame (1). An L-shaped support arm (112) is slidably mounted on the outer surface of the guide rail (111). A guide rail (113) is fixed at the lower end of the horizontal part of the L-shaped support arm (112). A massage component (12) is slidably mounted on the outer surface of the guide rail (113). Two self-locking motors (114) are also fixed in the inner cavity of the horizontal part of the L-shaped support arm (112). A sling (115) is provided at the output end of the self-locking motor (114) via a pulley. A display screen (116) is also provided at the front end of the horizontal part of the L-shaped support arm (112). A solar irradiation lamp (117) is also fixed at the rear end of the horizontal part of the L-shaped support arm (112). A solar energy import component (118) is provided at the input end of the solar irradiation lamp (117). Two slings (115) have pull rings at the ends away from the pulleys, and a detachable strap is provided between the two pull rings.

2. The multifunctional nursing bed according to claim 1, characterized in that: The massage component (12) includes a base (121) that is slidably mounted on the guide rail (113). Two cylinders (122) are fixed at the lower end of the L-shaped support arm (112). Massage heads (123) and rotary motors (124) are respectively provided at the output ends of the two cylinders (122). A U-shaped bracket (125) is fixed at the output end of the rotary motor (124). Massage wheels (126) are rotatably mounted on both the left and right sides of the U-shaped bracket (125).

3. The multifunctional nursing bed according to claim 2, characterized in that: The toilet assembly (3) includes a device box (31) placed on the ground and a toilet body (32) fixed to the upper end of the support frame (2). The upper end of the toilet body (32) is provided with a gasket assembly (33) for blocking urine. The inner wall of the toilet body (32) is also provided with a light sensor (34), a cleaning nozzle (35), a cleaning hole (36), and a ventilation hole (37). The device box (31) is provided with a clean water tank (38), a wastewater tank (39), and a detergent bottle (40). The clean water tank (38) and the cleaning nozzle (35), and the detergent bottle (40) and the cleaning hole (36) are all connected by a clean water pipe.

4. A multifunctional nursing bed according to claim 3, characterized in that: The toilet bowl body (32) is connected to the sewage tank (39) via a drain pipe, and a suction pump is also provided at the end of the sewage tank (39) connected to the drain pipe.

5. A multifunctional nursing bed according to claim 3, characterized in that: A heating rod is also installed inside the clean water tank (38), and a cleaning pump is also installed between the clean water tank (38) and the clean water pipe; The gasket assembly (33) is made of medical-grade silicone. The toilet bowl body (32) is also equipped with a backflow preventer at the drain outlet.

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