An automatic intelligent medicine feeding and water drinking device for a nursing bed

By installing automated intelligent medication and water feeding devices on nursing beds, and utilizing components such as motor screw mechanisms and cameras, precise timed and quantitative medication and water feeding for the elderly in nursing beds has been achieved, solving the problem of high dependence on caregivers and improving care efficiency and comfort.

CN122097151APending Publication Date: 2026-05-29QINGDAO UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO UNIV
Filing Date
2026-02-04
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing nursing beds rely heavily on caregivers for administering medication and water, which disabled or semi-disabled elderly people cannot do themselves, and there is a high risk of missed or incorrect medications being taken.

Method used

An automated intelligent medication and water feeding device for a nursing bed was designed, including a motor screw mechanism, a moving slider, a bracket, an inlet, an electric push rod, a crossbeam, a water feeding mechanism, a pill feeding mechanism, and a delivery tube. Equipped with a camera, it works in conjunction with a control module to achieve precise, timed, and quantitative medication and water feeding.

Benefits of technology

It enables efficient and precise medication and water administration on the nursing bed, reducing reliance on manual labor, decreasing the workload of nursing staff, and improving medication comfort and space utilization.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The application provides an automatic intelligent medicine feeding and water drinking device for a nursing bed, and belongs to the technical field of nursing auxiliary instruments. The device is light in structure, high in automation degree, and strong in on-time performance of medicine feeding and water drinking functions. A motor screw mechanism of the device is fixedly arranged on a bed body, a moving slider is slidingly arranged on the motor screw mechanism, two supports are vertically arranged and are fixedly connected to the moving slider at lower ends, a cross beam is horizontally arranged and is rotatably arranged between the two supports, a static end of an electric push rod is fixedly connected to the cross beam, a mouth inlet is fixedly arranged on an extension end of the electric push rod, a water feeding mechanism and a medicine feeding mechanism are fixedly arranged at top ends of the two supports respectively, and are connected to the mouth inlet through conveying pipes. The device is convenient to install and use, low in transformation cost, high in medicine feeding and water feeding precision, high in automation degree, low in artificial dependence degree, high in folding degree, and small in occupied space.
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Description

Technical Field

[0001] This invention belongs to the field of nursing auxiliary equipment technology, and in particular relates to an automated intelligent medication and water feeding device for a nursing bed. Background Technology

[0002] With the increasing aging of the population, home-based elderly care has become a mainstream demand, leading to the rapid development of the market for age-friendly home care beds and assistive devices.

[0003] While existing products offer basic nursing functions, such as assisting with getting up, lying down, and turning over, they still rely heavily on caregivers in other areas.

[0004] Currently, administering medication and water still requires manual intervention by the patient or caregiver. This becomes impossible for disabled / semi-disabled elderly individuals or those without caregivers present. Furthermore, when elderly individuals experience memory loss, they often forget to take medication, the dosage, or miss or take the wrong dose. This not only affects the effectiveness of the medication but can also delay treatment and worsen the condition. Therefore, an efficient, timed, and dosage-based medication delivery system is needed.

[0005] To address the aforementioned issues, this patent invention presents an automated and convenient medication and water feeding device suitable for nursing beds, featuring a lightweight structure and precise timing and dosage to meet the needs of disabled / semi-disabled elderly individuals. Summary of the Invention

[0006] To address the problems existing in the background art, the present invention provides an automated intelligent medication and water feeding device for nursing beds. The device has a lightweight structure, a high degree of automation, and strong timeliness in executing medication and water feeding functions.

[0007] The technical solution adopted by this invention to solve its technical problem is: an automated intelligent medication and water feeding device for a nursing bed, including a motor screw mechanism, a movable slider, a bracket, an inlet, an electric push rod, a crossbeam, a water feeding mechanism, a pill feeding mechanism, and a delivery pipe. The motor screw mechanism is fixedly installed on the bed body, and the movable slider is slidably installed on the motor screw mechanism. The water feeding mechanism and the pill feeding mechanism are each fixedly connected to the movable slider through a bracket. The crossbeam is horizontally arranged and rotated between the two brackets. The stationary end of the electric push rod is fixedly connected to the crossbeam, and the inlet is fixedly installed at the telescopic end of the electric push rod. The water outlet of the water feeding mechanism is connected to the inlet through a delivery pipe, and the pill feeding mechanism is connected to the inlet through another delivery pipe.

[0008] Both supports are vertically installed. One end of the crossbeam is connected to the drive end of the stepper motor via a coupling. The stepper motor is inserted into either support. An electrically controlled linear guide rail is fixedly installed on the vertical surface of one support facing the other support. A guide rail is installed on the vertical surface of the other support facing the first support. One end of the crossbeam is fixedly connected to the slide plate of the linear guide rail, and the other end of the crossbeam is slidably connected to the guide rail. The linear guide rail is driven to rotate, which drives the crossbeam to move up and down along the support via the slide plate.

[0009] The water delivery path and medicine delivery path in the mouth are set up independently, and a camera is integrated into the mouth.

[0010] The automated intelligent medication and water feeding device for the nursing bed also includes a control module, which is fixedly installed on any bracket. The control module is connected to the motor screw mechanism, mouthpiece, electric push rod, water feeding mechanism, pill feeding mechanism, stepper motor and linear guide rail.

[0011] The motor lead screw mechanism is fixedly installed on the side of the bed, and the moving slider transmission sleeve is mounted on the lead screw of the motor lead screw mechanism.

[0012] The water feeding mechanism includes a water tank and a water pump. The water pump is fixedly installed on the water tank. The water tank has an inlet at the top and an outlet at the bottom of one side wall. The water pump inlet is inserted into the water tank and located at the bottom of the tank. The water pump outlet is connected to the water supply path of the inlet through a delivery pipe.

[0013] The pill feeding mechanism includes a fixed base, a dispensing nozzle, a pill feeding wheel housing, a pill feeding motor, a pill feeding wheel, and a pill inlet. The fixed base is mounted on top of another support, and the pill feeding wheel housing is mounted on the fixed base. The pill feeding wheel is coaxially and rotatably installed in the pill feeding wheel housing. The pill inlet is integrally provided on the top of the pill feeding wheel housing, and the dispensing nozzle is integrally provided on the bottom of the pill feeding wheel housing. The dispensing nozzle is connected to the pill feeding path of the inlet through another delivery pipe. The pill feeding motor is mounted on the fixed base and located outside the pill feeding wheel housing. The output end of the pill feeding motor is connected to the pill feeding wheel drive.

[0014] Multiple pill slots are provided on the outer circumference of the delivery wheel, each pill slot can hold only one pill. The main body of the delivery wheel shell is ring-shaped, and the delivery wheel shell covers and seals the open slots of the pill slots.

[0015] The pill feeding mechanism also includes a drug delivery air pump, a drug delivery air pump mounting bracket placed on a fixed base, and a drug delivery air hole with internal and external penetration on the drug outlet, the drug delivery air hole being set directly opposite the drug outlet of the drug outlet, and the air outlet of the drug delivery air pump being connected to the drug delivery air hole through a connecting pipe.

[0016] The beneficial effects of this invention are as follows: The device is added to the original nursing bed without changing the original structure, making it convenient to install and use, and with low modification costs; the device is equipped with a camera, which can accurately control the position of the person's mouth, ensuring precise medication and water feeding; the device has a high degree of automation, reducing reliance on manual labor and alleviating the workload of nursing staff; the device has a high degree of folding, occupies little space, and is convenient for space layout and planning; the ingenious structural design enables individual pill feeding, resulting in high patient comfort and a good humanized effect. Attached Figure Description

[0017] In the attached diagram:

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention (the conveying pipe is hidden in the figure);

[0019] Figure 2 This is a schematic diagram illustrating the working effect of the invention (the conveying pipe is omitted in the diagram);

[0020] Figure 3 This is a schematic diagram of the pill feeding mechanism of the present invention;

[0021] Figure 4 This is a schematic diagram of the water feeding mechanism of the present invention;

[0022] In the diagram: 1. Motor lead screw mechanism; 2. Moving slider; 3. Bracket; 4. Control module; 5. Inlet; 6. Electric push rod; 7. Crossbeam; 8. Water feeding mechanism; 9. Pill feeding mechanism; 81. Water tank; 82. Water pump; 83. Water pump outlet; 84. Water tank outlet; 85. Water tank inlet; 91. Fixed base; 92. Medicine nozzle; 93. Medicine delivery wheel housing; 94. Medicine delivery motor; 95. Medicine delivery wheel; 96. Medicine inlet; 97. Medicine delivery air pump; 98. Medicine delivery air hole. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0024] An automated intelligent medication and water feeding device for a nursing bed includes a motor screw mechanism 1, a movable slider 2, a bracket 3, an inlet 5, an electric push rod 6, a crossbeam 7, a water feeding mechanism 8, a pill feeding mechanism 9, and a delivery pipe. The motor screw mechanism 1 is fixedly installed on the bed frame, and the movable slider 2 is slidably installed on the motor screw mechanism 1. The water feeding mechanism 8 and the pill feeding mechanism 9 are each fixedly connected to the movable slider 2 through a bracket 3. The crossbeam 7 is horizontally arranged and rotates between the two brackets 3. The stationary end of the electric push rod 6 is fixedly connected to the crossbeam 7, and the inlet 5 is fixedly installed at the telescopic end of the electric push rod 6. The water outlet of the water feeding mechanism 8 is connected to the water supply path of the inlet 5 through a delivery pipe, and the pill feeding mechanism 9 is connected to the medication delivery path of the inlet 5 through another delivery pipe.

[0025] Both supports 3 are vertically arranged. One end of the crossbeam 7 is connected to the drive end of the stepper motor via a coupling. The stepper motor is inserted into either support 3. When the stepper motor runs, it drives the crossbeam 7 to rotate, thereby driving the electric push rod 6 and the inlet 5 to adjust their positions. An electrically controlled linear guide rail is fixedly installed on the vertical surface of one support 3 facing the other support 3. A guide rail is installed on the vertical surface of the other support 3 facing the first support 3. One end of the crossbeam 7 is fixedly connected to the slide plate of the linear guide rail, and the other end of the crossbeam 7 is slidably connected to the guide rail. The linear guide rail is driven to move, which drives the crossbeam 7 to move up and down along the support 3 via the slide plate. When the crossbeam 7 moves up and down, the stepper motor moves up and down at the same time.

[0026] The water delivery path and medicine delivery path in the inlet 5 are set independently. A camera is integrated on the inlet 5. The camera monitors and collects the position of the mouth and feeds back the detection and collection results to the control module 4.

[0027] The automated intelligent medication and water feeding device for the nursing bed also includes a control module 4, which is fixedly installed on any bracket 3. The control module 4 is connected to the motor screw mechanism 1, the mouthpiece 5, the electric push rod 6, the water feeding mechanism 8, the pill feeding mechanism 9, the stepper motor, and the linear guide rail.

[0028] Control module 4 controls the operation of motor lead screw mechanism 1, which drives the other components to move horizontally by moving slider 2; control module 4 receives information collected by camera, analyzes the information, and controls electric push rod 6 to extend appropriately to ensure that mouthpiece 5 is exactly in the mouth position, so as to achieve precise drug and water feeding. Electric push rod 6 is a ready-made product currently on the market; control module 4 controls the start and stop of water supply mechanism 8, control module 4 controls the start and stop of pill feeding mechanism 9, control module 4 controls the start and stop of pill pushing; control module 4 controls the start and stop of stepper motor, and control module 4 controls the start and stop of linear motion of linear guide rail.

[0029] The motor lead screw mechanism 1 is fixedly installed on the side of the bed, and the moving slider 2 is mounted on the lead screw of the motor lead screw mechanism 1. The motor lead screw mechanism 1 adopts the mature electric slide rail at present. The lead screw and the moving slider 2 are connected by a threaded pair transmission structure. The slider 2 is moved horizontally through the lead screw transmission.

[0030] The water feeding mechanism 8 includes a water tank 81 and a water pump 82. The water pump 82 is fixedly mounted on the water tank 81. A water tank inlet 85 is opened on the top of the water tank 81, and a water tank outlet 84 is set at the bottom of one side wall of the water tank 81. The water tank outlet 84 is kept closed when the water tank 81 is not clean. The water pump inlet 82 is inserted into the water tank 81 and is located at the bottom of the water tank 81. The water pump outlet 83 is connected to the water supply path of the inlet 5 through a delivery pipe. The water pump 82 operates to pump water, which is the water feeding process. The water pump 82 is a pre-made part with a power of less than or equal to 5W.

[0031] The pill feeding mechanism 9 includes a fixed base 91, a dispensing nozzle 92, a feeding wheel housing 93, a feeding motor 94, a feeding wheel 95, and a feeding port 96. The fixed base 91 is mounted on the top of another support 3. The feeding wheel housing 93 is mounted on the fixed base 91. The feeding wheel 95 is coaxially and rotatably mounted in the feeding wheel housing 93. The feeding port 96 is integrally provided on the top of the feeding wheel housing 93, and the dispensing nozzle 92 is integrally provided on the bottom of the feeding wheel housing 93. The dispensing nozzle 92 is connected to another delivery pipe. The feeding motor 94 is mounted on the fixed base 91 and located outside the feeding wheel housing 93. The output end of the feeding motor 94 is driven by the feeding wheel 95.

[0032] Multiple pill slots are provided on the outer circular surface of the delivery wheel 95, each pill slot can hold only one pill. The main body of the delivery wheel shell 93 is ring-shaped, and the delivery wheel shell 93 covers and seals the open slot of the pill slot.

[0033] The pill feeding mechanism 9 also includes a drug delivery air pump 97. The drug delivery air pump 97 is fixed on a fixed base 91. A drug delivery air hole 98 is opened on the drug outlet 92, which is directly opposite the drug outlet of the drug outlet 92. The air outlet of the drug delivery air pump 97 is connected to the drug delivery air hole 98 through a connecting pipe. The air inlet of the drug delivery air pump 97 is naturally open. When the drug delivery air pump 97 operates, it blows airflow into the drug outlet 92 through the connecting pipe. The airflow blows the pill along the conveying pipe to the inlet 5.

[0034] The pills are placed into the inlet 96, and the delivery motor 94 drives the delivery wheel 95 to rotate. The pills fall one by one into the pill slot for temporary storage. A detection sensor is fixedly installed in the outer shell 95 of the delivery wheel. The detection sensor is located at the connection between the outer shell 95 of the delivery wheel and the outlet 92. It is used to detect whether the pills have been delivered to the correct position. When the detection sensor detects that the pills have been delivered to this position, it sends a signal feedback to the control module 4, and the control module 4 then controls the delivery motor 94 to stop rotating.

[0035] When the medication delivery command is executed, the medication delivery motor 94 is controlled to operate. The pill is transported by the rotation of the medication delivery wheel 95 through the medication outlet 92 into another delivery pipe. After the detection sensor detects the presence of the pill, the medication delivery motor 94 stops operating. At the same time, the control module 4 drives the medication delivery air pump 97 to start. The airflow pushes the pill along the delivery pipe to the inlet 5, thus completing a single medication delivery.

[0036] Control module 4 is an outsourced component, selected according to actual control needs, and the assistance of relevant technical personnel is sought for program coding and debugging.

[0037] The device uses a flexible delivery pipe, which allows the device to freely change its posture. A transparent pipe is preferred, as it facilitates observation of the drug and water delivery process.

[0038] Working principle: Before the device is used, the backrest mechanism of the nursing bed adjusts the patient's body posture to a sitting position. The shape transformation function of the nursing bed is controlled by the drive and control components equipped on the nursing bed. The drive and control components of the nursing bed and the control module 4 of the device work together. This method is an existing technology in the field of intelligent control at present.

[0039] The device is initially in a folded and retracted state. In this state, the electric push rod 6 remains shortened, and the crossbeam 7 rotates until the electric push rod 6 is parallel to the two supports 3. At this time, the electric push rod 6 can be suspended below or raised above the crossbeam 7. The specific position of the electric push rod 6 depends on the spatial arrangement of the nursing supplies on the nursing bed. If there is sufficient space on the nursing bed, the electric push rod 6 is suspended. If there is limited space on the nursing bed, the electric push rod 6 is raised. In this case, the crossbeam 7 slides down to a certain height to ensure that the electric push rod 6 and the inlet 5 do not protrude abruptly from the outer contour of the device.

[0040] When the device performs the medication and water feeding process, the control module 4 drives the crossbeam 7 to rotate, causing the electric push rod 6 to rotate to point towards the person taking the medication. Then, based on the image information captured by the camera, the control module 4 controls the electric push rod 6 to extend appropriately, ensuring that the mouthpiece 5 is aligned with the person's mouth. At the same time, based on the image feedback information from the camera, the control module 4 coordinates the operation of the motor screw mechanism 1, controls the sliding slider 2 to slide, so that the mouthpiece 5 accurately reaches the person's mouth. When the mouthpiece 5 moves to the position of the person's mouth, the person can open their mouth and wait. At this time, the control module 4 drives the water feeding mechanism 8 and the pill feeding mechanism 9 to operate, respectively, to perform the water drinking and medication feeding processes.

[0041] After the drinking and medication administration processes are completed, the device is folded and retracted. The electric push rod 6 is shortened first, and then the crossbeam 7 is rotated so that the electric push rod 6 is rotated to a hanging or lifting posture according to the spatial conditions. Then the crossbeam 7 is adjusted by an appropriate amount of lifting to ensure that the overall structure of the device remains compact.

[0042] It is understood that the present invention has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the invention. Furthermore, under the teachings of the present invention, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of the present invention.

Claims

1. An automated intelligent medication and water feeding device for a nursing bed, characterized in that: The device includes a motor screw mechanism (1), a movable slider (2), a bracket (3), an inlet (5), an electric push rod (6), a crossbeam (7), a water feeding mechanism (8), a pill feeding mechanism (9), and a conveying pipe. The motor screw mechanism (1) is fixedly installed on the bed. The movable slider (2) is slidably installed on the motor screw mechanism (1). The water feeding mechanism (8) and the pill feeding mechanism (9) are each fixedly connected to the movable slider (2) through a bracket (3). The crossbeam (7) is horizontally arranged and rotated between the two brackets (3). The stationary end of the electric push rod (6) is fixedly connected to the crossbeam (7). The inlet (5) is fixedly installed at the telescopic end of the electric push rod (6). The outlet of the water feeding mechanism (8) is connected to the inlet (5) through a conveying pipe. The pill feeding mechanism (9) is connected to the inlet (5) through another conveying pipe.

2. The automated intelligent medication and water feeding device for a nursing bed according to claim 1, characterized in that: Both brackets (3) are set vertically. One end of the crossbeam (7) is connected to the drive end of the stepper motor through a coupling. The stepper motor is inserted into either bracket (3). An electrically controlled linear guide is fixedly installed on the vertical surface of one bracket (3) facing the other bracket (3). A guide rail is installed on the vertical surface of the other bracket (3) facing the first bracket (3). One end of the crossbeam (7) is fixedly connected to the slide plate of the linear guide. The other end of the crossbeam (7) is slidably connected to the guide rail. The linear guide is driven to move and drive the crossbeam (7) to move up and down along the bracket (3) through the slide plate.

3. The automated intelligent medication and water feeding device for a nursing bed according to claim 2, characterized in that: The water delivery path and the medicine delivery path in the inlet (5) are set independently, and a camera is integrated on the inlet (5).

4. The automated intelligent medication and water feeding device for a nursing bed according to claim 3, characterized in that: The automated intelligent medicine feeding and water drinking device for the nursing bed also includes a control module (4). The control module (4) is fixedly installed on any bracket (3). The control module (4) is connected to the motor screw mechanism (1), the mouthpiece (5), the electric push rod (6), the water feeding mechanism (8), the pill feeding mechanism (9), the stepper motor, and the linear guide rail.

5. An automated intelligent medication and water feeding device for a nursing bed according to claim 4, characterized in that: The motor lead screw mechanism (1) is fixedly installed on the side of the bed, and the moving slider (2) is mounted on the lead screw of the motor lead screw mechanism (1).

6. An automated intelligent medication and water feeding device for a nursing bed according to claim 5, characterized in that: The water feeding mechanism (8) includes a water tank (81) and a water pump (82). The water pump (82) is fixedly installed on the water tank (81). A water tank inlet (85) is opened on the top of the water tank (81). A water tank outlet (84) is set at the bottom of one side wall of the water tank (81). The water inlet of the water pump (82) is inserted into the water tank (81) and located at the bottom of the water tank (81). The water pump outlet (83) is connected to the water supply path of the inlet (5) through a delivery pipe.

7. An automated intelligent medication and water feeding device for a nursing bed according to claim 6, characterized in that: The pill feeding mechanism (9) includes a fixed base (91), a dispensing nozzle (92), a feeding wheel housing (93), a feeding motor (94), a feeding wheel (95), and a feeding port (96). The fixed base (91) is mounted on the top of another bracket (3). The feeding wheel housing (93) is mounted on the fixed base (91). The feeding wheel (95) is coaxially mounted in the feeding wheel housing (93). The feeding port (96) is integrally provided on the top of the feeding wheel housing (93). The dispensing nozzle (92) is integrally provided on the bottom of the feeding wheel housing (93). The dispensing nozzle (92) is connected to the feeding path of the inlet (5) through another conveying pipe. The feeding motor (94) is mounted on the fixed base (91) and located outside the feeding wheel housing (93). The output end of the feeding motor (94) is connected to the feeding wheel (95) for driving.

8. An automated intelligent medication and water feeding device for a nursing bed according to claim 7, characterized in that: Multiple pill slots are provided on the outer circular surface of the delivery wheel (95), each pill slot can hold only one pill. The main body of the delivery wheel shell (93) is ring-shaped, and the delivery wheel shell (93) covers and seals the open slot of the pill slot.

9. An automated intelligent medication and water feeding device for a nursing bed according to claim 8, characterized in that: The pill feeding mechanism (9) also includes a drug delivery air pump (97). The drug delivery air pump (97) is fixed on a fixed base (91). A drug delivery air hole (98) with internal and external penetration is opened on the drug outlet (92). The drug delivery air hole (98) is set directly opposite the drug outlet of the drug outlet (92). The air outlet of the drug delivery air pump (97) is connected to the drug delivery air hole (98) through a connecting pipe.