Clinical infusion monitoring device

The infusion monitoring device, which uses infrared detection components and a microprocessor, automatically counts droplets and combines light and audio warnings, solving the problem of inaccurate drop counts during infusion and achieving precise control and improved safety of the infusion process.

CN120919458AInactive Publication Date: 2025-11-11FANGTA TRADITIONAL CHINESE MEDICINE HOSPITAL SONGJIANG DISTRICT SHANGHAI
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Patent Information

Application Number
CN202511182677.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-22
Publication Date
2025-11-11
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In existing technologies, relying on manual observation of the number of drops during infusion is inaccurate, leading to imprecise control of the infusion rate, which can easily cause adverse reactions or affect the treatment effect. Furthermore, it is difficult to replace the infusion bottle or remove the needle in a timely manner.

Method used

Design an infusion monitoring device that includes an infrared detection component. The device detects droplets through an infrared emitting tube and a receiving tube, automatically counts the droplets using a microprocessor, and displays the drop count on a screen. It is equipped with light and audio alarms to achieve drip rate monitoring and abnormality alerts.

Benefits of technology

It enables automatic and accurate counting of infusion drops, reduces human error, ensures timely detection of abnormal drip rates, reduces risks, alleviates the burden on medical staff, and improves infusion safety and patient experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a clinical infusion monitoring device, and relates to the technical field of medical auxiliary instruments, the clinical infusion monitoring device is characterized in that the clinical infusion monitoring device comprises a shell and a groove body formed in the back of the shell, and the back of the groove body is provided with an arc-shaped placement groove in the vertical direction; an infrared transmitting tube and an infrared receiving tube are oppositely arranged on the two sides, close to the top, of the inner side of the containing groove, and when liquid drops fall to block infrared rays, a counting signal is triggered; fixed clamping pieces are arranged at the top and the bottom of the groove body; a circuit board is arranged in the shell, and a display screen, a power button, a reset button and an adjusting button are arranged on the surface of the shell. According to the infusion monitoring device, liquid drops are automatically counted through the infrared detection assembly, manual observation is replaced, personal errors are reduced, the infusion dripping speed monitoring precision is improved, the burden of frequent inspection of medical staff is relieved, the medical staff can concentrate on other diagnosis and treatment work, and meanwhile the medical treatment safety and experience of a patient are improved.
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Description

Technical Field

[0001] This invention relates to the field of medical auxiliary device technology, and more specifically, to an infusion monitoring device for clinical use. Background Technology

[0002] During clinical intravenous infusion, nurses need to monitor the drip rate to control the infusion rate, which is crucial. Currently, the infusion rate is mainly estimated by medical staff manually observing the dripping of fluid in the IV tubing. This method not only consumes a lot of the medical staff's energy but is also prone to inaccurate counting due to human error, making it impossible to accurately control the infusion rate. An excessively fast infusion rate may cause adverse reactions such as palpitations and heart failure, while an excessively slow rate may affect the treatment effect. Furthermore, when patients or their caregivers cannot accurately judge the infusion progress, they may fail to promptly notify medical staff to change the IV bag or remove the needle, causing unnecessary inconvenience and potential risks to the patient.

[0003] Therefore, there is an urgent need for a device that can automatically and accurately count the number of drops during an infusion process within a certain time period, in order to improve infusion safety and medical efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide an infusion monitoring device for clinical use. This device can be directly clipped onto the infusion set and can automatically and accurately count the number of drops during the infusion process within a certain period of time. This allows nurses to quickly grasp the infusion drop count, reduce the workload of medical staff, and improve infusion safety and patient experience.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution: an infusion monitoring device for clinical use, comprising a housing and a groove disposed on the back of the housing, wherein the back of the groove is provided with an arc-shaped placement groove along the vertical direction; an infrared emitting tube and an infrared receiving tube are disposed opposite each other on the inner side of the placement groove near the top, and a counting signal is triggered when a droplet falls and blocks the infrared light; a fixing clamp is provided at the top and bottom of the groove; a circuit board is disposed inside the housing, and a display screen, a power button, a reset button and an adjustment button are disposed on the surface of the housing.

[0006] The present invention is further configured such that: the fixing clamp includes a telescopic rod, a connecting rod and an arc-shaped clamp; the top and bottom of the groove are provided with vertical mounting grooves to install the telescopic rod; one end of the connecting rod is fixedly connected to the end of the telescopic rod, and the other end is fixedly connected to the arc-shaped clamp.

[0007] The present invention is further configured such that a battery slot is provided at the bottom of the housing.

[0008] The present invention is further configured such that a power interface is provided on one side of the housing.

[0009] The present invention is further configured such that a rechargeable battery is provided inside the housing.

[0010] The present invention is further configured such that: the housing is provided with a power indicator light, a warning indicator light and a working indicator light below the display screen.

[0011] The present invention is further configured such that an audio player is provided below the display screen in the housing.

[0012] The present invention is further configured such that: a lifting ring is provided on the top of the housing, and a hanging strap is provided on the lifting ring.

[0013] The present invention is further configured such that: the circuit board integrates a microprocessor and has a data acquisition and processing module, an input module, a comparison module, an early warning module and a storage module.

[0014] The invention is further configured such that: the data acquisition and processing module acquires and processes the triggered counting signal to obtain the number of droplets falling within a certain time period; the input module is connected to the reset button and the adjustment button, and the threshold for comparison is input through the adjustment button; the comparison module compares the number of droplets falling within a certain time period with the input threshold and transmits the comparison result to the warning module; the storage module stores different warning ringtones, and the warning module selects the warning ringtone to be played according to the comparison result.

[0015] In summary, the present invention has the following beneficial effects:

[0016] 1. The infrared detection component automatically counts droplets, replacing manual observation, reducing human error, and improving the accuracy of infusion drip rate monitoring;

[0017] 2. Combining light and sound warnings ensures that abnormal drip rates or the imminent end of the infusion can be detected in a timely manner, reducing the risk of infusion complications;

[0018] 3. The fixing clamps are adjustable, ensuring stable installation and simple operation;

[0019] 4. Supports both dry cell batteries and rechargeable batteries to adapt to different usage scenarios;

[0020] 5. The display screen shows data in real time, the button layout is reasonable, and the indicator lights provide intuitive feedback on the status, making it convenient for medical staff to operate and monitor quickly;

[0021] 6. Reduce the burden of frequent rounds for medical staff, allowing them to focus on other diagnostic and treatment work, while improving patients' sense of security and experience in medical care. Attached Figure Description

[0022] Figure 1 This is a front view schematic diagram of the infusion monitoring device in Embodiment 1 of the present invention;

[0023] Figure 2 This is a bottom view schematic diagram of the infusion monitoring device in Embodiment 1 of the present invention;

[0024] Figure 3 This is a rear view schematic diagram of the infusion monitoring device in Embodiment 1 of the present invention;

[0025] Figure 4 This is a front view schematic diagram of the infusion monitoring device in Embodiment 2 of the present invention;

[0026] Figure 5 This is a rear view schematic diagram of the infusion monitoring device in Embodiment 2 of the present invention.

[0027] In the diagram: 1. Housing; 2. Tank; 3. Mofi dropper; 4. Display screen; 5. Audio player; 6. Power button; 7. Reset button; 8. Adjustment button; 9. Power indicator light; 10. Working indicator light; 11. Warning indicator light; 12. Battery slot; 13. Telescopic rod; 14. Connecting rod; 15. Arc-shaped clamp; 16. Lifting ring; 17. Infrared transmitter; 18. Infrared receiver; 19. Power interface. Detailed Implementation

[0028] The following is in conjunction with the appendix Figure 1-5 The present invention will be described in further detail below.

[0029] Example 1: An infusion monitoring device for clinical use, such as Figure 1 , Figure 2 and Figure 3 As shown, the device includes a housing 1 and a groove 2 disposed on the back of the housing 1. The back of the groove 2 has an arc-shaped placement groove along the vertical direction. The curvature of this arc-shaped placement groove is adapted to the curvature of the outer wall of the Moffield drip tube 3 of the infusion set, so that it can fit tightly against the Moffield drip tube 3 and ensure the stability of droplet detection. Infrared emitting tubes 17 and infrared receiving tubes 18 are disposed opposite each other on the inner side of the placement groove near the top. The infrared emitting tubes 17 continuously emit infrared light. When a droplet falls and blocks the infrared light, the infrared receiving tubes 18 interrupt the signal reception, thereby triggering a counting signal. The top and bottom of the device are equipped with fixing clamps to securely fix the device to the Mofe's dropper 3 and prevent the device from sliding or falling off. The inside of the housing 1 is equipped with a circuit board to process the detection signals and realize the core functions of the device. The surface of the housing 1 is equipped with a display screen 4, a power button 6, a reset button 7 and an adjustment button 8. The display screen 4 can display the number of droplets per unit time in real time, i.e. the infusion drip rate. The power button 6 is used to control the device to turn on and off. The reset button 7 can clear the current counting data and restart the counting. The adjustment button 8 is used to set parameters such as the drip rate threshold.

[0030] The curved placement groove and the fitting design of the Mofe's dropper 3 ensure that the infrared detection component can accurately align with the droplet's falling path, improving counting accuracy; the fixing clamp can firmly fix the device on the infusion set, preventing the device from shifting due to external force collisions and affecting detection; the circuit board, buttons, and display screen 4 work together to realize automatic drop counting, data display, and parameter adjustment, eliminating the need for manual observation by medical staff, greatly reducing manpower consumption, and improving the accuracy of infusion rate monitoring.

[0031] Further configuration: The fixing clamping component includes a telescopic rod 13, a connecting rod 14, and an arc-shaped clamp 15; the top and bottom of the groove 2 are provided with vertical mounting grooves to install the telescopic rod 13, one end of the connecting rod 14 is fixedly connected to the end of the telescopic rod 13, and the other end is fixedly connected to the arc-shaped clamp 15.

[0032] The telescopic rod 13 can extend and retract along the mounting groove, driving the connecting rod 14 and the arc-shaped clamp 15 to adjust their positions. The arc-shaped clamp 15 engages with the tubing at both ends of the Mofe's dropper 3 to fix the infusion monitoring device, and can also accommodate Mofe's droppers 3 of different lengths. The curvature of the arc-shaped clamp 15 matches the outer wall of the tubing at both ends of the Mofe's dropper 3, and anti-slip silicone pads can be set on its inner side to further enhance the stability of the clamping and prevent the device from loosening due to vibration or slight contact during infusion, ensuring that the infrared detection component is always aligned with the droplet falling area.

[0033] Further configuration: A battery slot 12 is provided at the bottom of the housing 1.

[0034] Battery slot 12 is designed to accommodate one dry cell battery or one button cell battery. This provides the device with an independent power source, eliminating the need for an external power cord and facilitating its use in various infusion scenarios, such as when the patient is moving. Furthermore, the dry cell battery or button cell battery is easy to replace, allowing for quick replacement when the power is depleted, ensuring continuous operation of the device.

[0035] Further configuration: The housing 1 is provided with a power indicator light 9, a warning indicator light 11 and a working indicator light 10 below the display screen 4.

[0036] The power indicator light 9 (e.g., green) illuminates when the device is powered on, and turns off when the power is off; the working indicator light 10 (e.g., blue) illuminates when the device is performing normal detection and counting, and flashes when it is in standby mode; the warning indicator light 11 (e.g., red) illuminates or flashes when the infusion drip rate is abnormal (too fast or too slow). The different colors and states of the lights provide intuitive feedback on the device's working status and warning information, making it easy for medical staff to quickly identify the problem.

[0037] Further configuration: The housing 1 has an audio player 5 located below the display screen 4.

[0038] The audio player 5 can play an alarm bell when the infusion drip rate is abnormal or when the infusion is about to end. The sound reminder is more easily noticed by medical staff or caregivers than the light reminder, and is especially suitable for noisy ward environments or scenarios where medical staff are far away, ensuring that abnormal situations can be dealt with in a timely manner.

[0039] Further configuration: The top of the housing 1 is provided with a lifting ring 16, and the lifting ring 16 is provided with a hanging strap.

[0040] The hanging ring 16 and the strap allow the device to be hung and stored when not in use, preventing damage or loss due to careless placement. At the same time, in mobile infusion scenarios, the strap can be used to hang the device on the infusion stand or clothing, enhancing the device's portability.

[0041] Further configuration: The circuit board integrates a microprocessor and has a data acquisition and processing module, an input module, a comparison module, an early warning module, and a storage module.

[0042] The microprocessor serves as the core control unit, coordinating the work of each module; the data acquisition and processing module is responsible for receiving the counting signal from the infrared detector and calculating the number of drops per unit time; the input module receives button operation commands; the comparison module compares the number of drops with the threshold; the early warning module triggers light and sound warnings; and the storage module saves parameters and warning sounds. Each module has a clear division of labor, ensuring the efficient and stable operation of the device.

[0043] Further configuration: The data acquisition and processing module acquires and processes the triggered counting signal to obtain the number of droplets falling within a certain time; the input module is connected to the reset button 7 and the adjustment button 8, and the threshold for comparison is input through the adjustment button 8; the comparison module compares the number of droplets falling within a certain time with the input threshold and transmits the comparison result to the warning module; the storage module stores different warning ringtones, and the warning module selects the warning ringtone to be played according to the comparison result.

[0044] The data acquisition and processing module can set the counting period (e.g., 1 minute) to accurately calculate the number of drops per unit time. Medical staff can preset the drip rate threshold for different patients or drugs by adjusting button 8 (e.g., the normal drip rate for adults is 40-60 drops / minute). If the comparison module detects that the actual drip rate exceeds the threshold range, it will immediately trigger the warning module. The warning module plays different ringtones according to the abnormality type (too fast / too slow), such as a rapid ringtone indicating too fast and a slow ringtone indicating too slow, or playing different music, making the warning information more targeted and facilitating medical staff to quickly determine the type of problem.

[0045] Example 2: Figure 4 , Figure 5As shown, it is basically the same as Embodiment 1, except that a power interface 19, such as a Micro-USB or Type-C interface, is provided on one side of the housing 1, which can be used to directly power the device by connecting the lighting circuit through a charger.

[0046] Furthermore, the housing 1 contains a rechargeable battery, which is charged via power interface 19, replacing the battery slot 12 in Embodiment 1. Battery slot 12 is designed to accommodate either one dry cell battery or one button cell battery. The audio player 5 is positioned on either side of the indicator light, with a slightly larger speaker opening to enhance sound propagation. The rechargeable battery is rechargeable, reducing dry cell battery consumption and making it more environmentally friendly. Power interface 19 is compatible with common charging devices, allowing medical staff to charge the device in wards or nurse stations, suitable for long-term continuous use and avoiding the inconvenience of frequent battery replacements.

[0047] Working principle: During use, insert the Moflite dropper 3 into the arc-shaped placement groove of the groove 2. Adjust the telescopic rod 13 to clamp the tubing at both ends of the Moflite dropper 3 with the arc-shaped clamp 15, ensuring that the infrared emitting tube 17 and the infrared receiving tube 18 are aligned with the droplet's falling path within the Moflite dropper 3. Press the power button 6 to turn on the device; the power indicator 9 will light up, and the working indicator 10 will begin flashing. Set the preset drip rate threshold using the adjustment button 8. When a droplet falls, it blocks the infrared light, triggering a counting signal. The data acquisition and processing module receives the signal and calculates the number of drops within one minute, displaying the result in real time. The actual number of drops is displayed on the display screen 4. The comparison module compares the actual number of drops with the preset threshold. If the actual number of drops is greater than the threshold or less than the threshold, the comparison module transmits the result to the warning module. The warning module controls the warning indicator 11 to light up or flash (red). At the same time, the audio player 5 plays the corresponding warning ringtone (a rapid ringtone if too fast, a slow ringtone if too slow). If it is necessary to recount, press the reset button 7 to clear and restart. After use, it can be hung and stored by the hanging ring 16 and the hanging strap. The device in Embodiment 2 can be connected to a charger through the power interface 19 to charge the battery.

[0048] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An infusion monitoring device for clinical use, characterized in that, The device includes a housing (1) and a groove (2) on the back of the housing (1). The back of the groove (2) is provided with an arc-shaped placement groove along the vertical direction. An infrared emitting tube (17) and an infrared receiving tube (18) are arranged opposite each other on the inner side near the top of the placement groove. When a droplet falls and blocks the infrared light, a counting signal is triggered. The top and bottom of the groove (2) are provided with fixing clamps. The inside of the housing (1) is provided with a circuit board. The surface of the housing (1) is provided with a display screen (4), a power button (6), a reset button (7), and an adjustment button (8).

2. The infusion monitoring device for clinical use according to claim 1, characterized in that, The fixing clamp includes a telescopic rod (13), a connecting rod (14), and an arc-shaped clamp (15); the top and bottom of the groove (2) are provided with vertical mounting grooves to install the telescopic rod (13), one end of the connecting rod (14) is fixedly connected to the end of the telescopic rod (13), and the other end is fixedly connected to the arc-shaped clamp (15).

3. The infusion monitoring device for clinical use according to claim 1, characterized in that, The bottom of the housing (1) is provided with a battery slot (12).

4. The infusion monitoring device for clinical use according to claim 1, characterized in that, A power interface (19) is provided on one side of the housing (1).

5. The infusion monitoring device for clinical use according to claim 1, characterized in that, The housing (1) is provided with a power indicator (9), a warning indicator (11) and a working indicator (10) below the display screen (4).

6. The infusion monitoring device for clinical use according to claim 1, characterized in that, The housing (1) has an audio player (5) located below the display screen (4).

7. The infusion monitoring device for clinical use according to claim 1, characterized in that, The top of the housing (1) is provided with a lifting ring (16), and the lifting ring (16) is provided with a hanging strap.

8. The infusion monitoring device for clinical use according to claim 1, characterized in that, The circuit board integrates a microprocessor and has a data acquisition and processing module, an input module, a comparison module, an early warning module, and a storage module.

9. An infusion monitoring device for clinical use according to claim 8, characterized in that, The data acquisition and processing module acquires and processes the triggered counting signal to obtain the number of droplets falling within a certain time; the input module is connected to the reset button (7) and the adjustment button (8), and the threshold for input comparison is entered through the adjustment button (8); The comparison module compares the number of droplets falling within a certain time with the input threshold and transmits the comparison result to the early warning module. The storage module contains different warning ringtones, and the warning module selects the warning ringtone to play based on the comparison results.

10. The infusion monitoring device for clinical use according to claim 4, characterized in that, The housing (1) is equipped with a rechargeable battery inside.