Infusion speed detector
By designing an infusion speed detector including photoelectric sensors and NFC systems, it solves the problem that medical staff can find it difficult to accurately monitor the drop drop speed in real time, and achieves fast and accurate infusion speed monitoring and data transmission, which improves clinical medical treatment Efficiency and accuracy.
Patent Information
- Application Number
- CN202010786624.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-08-06
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2040-08-06
AI Technical Summary
In clinical medical care, it is difficult for medical staff to accurately monitor the drop rate of droplets during intravenous infusion in real time, resulting in the infusion being too fast, too slow or suspended, affecting the treatment efficiency. Traditional equipment is expensive and complex, so it cannot be delivered to a large-scale hospital. Using, existing methods rely on manual counting is not accurate enough.
Design an infusion speed detector including a first photoelectric sensor, a processing device and a portable terminal, realize real-time data transmission through an NFC system, and use the first photoelectric sensor to detect the drop drop speed, the processing device processes the signal and displays the drops through the display device. Speed data, combined with a fixture and data mixer for improved detection accuracy, and equipped with weighing devices and alarms to monitor the remaining container.
It realizes that medical staff quickly and accurately monitor the infusion speed of each patient, reduces workload, improves detection accuracy and efficiency, avoids data confusion, and improves system reliability through automatic disconnection and remote transmission functions.
Smart Images
Figure CN111821541B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of infusion monitoring, and in particular to an infusion speed detector capable of intelligently detecting the dripping speed of liquid drops during an infusion process. Background Art
[0002] Intravenous infusion is a common treatment measure in clinical medicine and is widely used for hospitalized patients. However, when clinical work is busy, medical staff often neglect the patient's infusion status, drip rate and other information. During the infusion process, the patient may infuse too fast, too slow or even pause, which will directly affect the efficacy of intravenous infusion therapy. Although infusion pumps can solve this problem, traditional infusion pump equipment is expensive and has complicated functions, which cannot be used on a large scale by hospitalized patients. Therefore, in order to check and record the drip rate during the infusion process in real time, medical staff still rely on manual counting to calculate the drip rate during the infusion process, that is, by observing and counting the number of dripping drops within one minute or 30 seconds to calculate the drip rate. This is not only time-consuming and labor-intensive, but also seriously increases the workload of medical staff, and the calculation results are not accurate enough. Summary of the invention
[0003] The purpose of the present invention is to provide an infusion speed detector which can automatically detect the dripping speed of liquid drops during the infusion process, so that medical staff can quickly obtain the infusion speed of each patient during the infusion process during the inspection.
[0004] In order to achieve the above-mentioned purpose, the present invention discloses an infusion speed detector, which includes a detection device, a processing device and a portable terminal, the detection device includes a first photoelectric sensor for detecting the dripping speed of liquid drops in a dropper on an infusion device, the first photoelectric sensor is electrically connected to the processing device, the processing device is used to process the signal fed back by the first photoelectric sensor to obtain dripping speed data, the portable terminal is connected to the processing device through an NFC system communication, and the portable terminal is also provided with a display device, and the display device is used to display the dripping speed data.
[0005] Compared with the prior art, the infusion speed detector of the present invention detects the dripping speed of the liquid drop in the dropper in real time through the first photoelectric sensor, and feeds back the detected data to the processing device. Since the portable terminal is connected to the processing device through the NFC system communication, when the medical staff needs to know the infusion speed of the current patient, they only need to bring the portable terminal close to the processing device, and the processing device immediately transmits the processed liquid droplet dripping speed data to the portable terminal, and displays it in the portable terminal through the display device for recording; it can be seen that through the above-mentioned infusion speed detector, the medical staff can quickly and conveniently inspect the infusion speed of each patient during the infusion process, and because the NFC system is used for transmission communication, when the portable terminal is away from the processing device to which the current patient belongs to inspect the infusion status of another patient, the portable terminal can automatically disconnect the communication connection with the current processing device, so that when the portable terminal is close to the processing device to which each patient belongs, it can automatically establish a communication connection with the processing device to which the patient belongs, thereby avoiding the occurrence of confusion in the detection data.
[0006] Preferably, it also includes a fixing frame, which is provided with a cavity for accommodating the dropper, and the upper and lower ends of the cavity are provided with first openings for the infusion tube on the infusion set to pass through, and the side wall of the fixing frame is provided with a mounting groove connected to the cavity, and the mounting groove is used to fix the first photoelectric sensor.
[0007] Preferably, the fixing frame is made of flexible material, the diameter of the cavity is slightly smaller than the diameter of the dropper, and a second opening communicating with the cavity is provided on the fixing frame, and the second opening passes through the first opening at the upper and lower ends of the cavity.
[0008] Preferably, the processing device includes a processor and a monostable trigger electrically connected to the processor, and the first photoelectric sensor is electrically connected to the monostable trigger via a shaping circuit, and the shaping circuit is used to shape the analog signal into a square wave signal and transmit it to the monostable trigger.
[0009] Preferably, a second photoelectric sensor for detecting ambient brightness is also arranged in the installation groove near the first photoelectric sensor, and the processing device also includes a data mixer, the input end of the data mixer is electrically connected to the first photoelectric sensor and the second photoelectric sensor, and the output end of the data mixer is electrically connected to the shaping circuit, and the data mixer is used to filter the influence of ambient light on the data signal received by the first photoelectric sensor.
[0010] Preferably, it further comprises a weighing device electrically connected to the processor, wherein the weighing device is provided with a hook for hanging an infusion container.
[0011] Preferably, the device further comprises an alarm electrically connected to the processor.
[0012] Preferably, the device further comprises a WIFI module electrically connected to the processor. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 Schematic diagram of the principle structure of the infusion speed detector in an embodiment of the present invention.
[0014] Figure 2 Schematic diagram of the three-dimensional structure of the fixing frame in the embodiment of the present invention.
[0015] Figure 3 It is a schematic diagram of the planar structure in which the dropper is installed in the fixing frame in an embodiment of the present invention.
[0016] Figure 4 Schematic diagram of the connection structure between the infusion container and the weighing device in an embodiment of the present invention. DETAILED DESCRIPTION
[0017] In order to explain the technical content, structural features, achieved objectives and effects of the present invention in detail, the following is a detailed description in conjunction with the implementation methods and the accompanying drawings.
[0018] This embodiment discloses an infusion speed detector to detect the dripping speed of liquid during infusion and facilitate medical staff to obtain, such as Figure 1As shown, the infusion speed detector in this embodiment includes a detection device, a processing device 2 and a portable terminal 3. The detection device includes a first photoelectric sensor 10 for detecting the dripping speed of the droplet in the dropper 4 on the infusion device. Specifically, the first photoelectric sensor 10 is arranged on one side of the dropper 4, and includes an infrared transmitter and an infrared receiver. When a droplet falls in the dropper 4, the infrared light emitted by the infrared transmitter is reflected by the droplet and received by the infrared receiver. The first photoelectric sensor 10 is electrically connected to the processing device 2, and the processing device 2 is used to process the signal fed back by the first photoelectric sensor 10 to obtain dripping speed data. The portable terminal 3 is connected to the processing device 2 through the NFC system (Near Field Communication). The portable terminal 3 is also provided with a display device 30, and the display device 30 is used to display the dripping speed data. In the present embodiment, since the portable terminal 3 is connected to the processing device 2 by the NFC system communication, when the medical staff is on patrol, they only need to bring the portable terminal 3 close to the processing device 2 (about 4cm), and the portable terminal 3 can realize point-to-point communication with the processing device 2, and the processing device 2 transmits the processed dripping speed data to the portable terminal 3, and the portable terminal 3 is displayed by the display device 30 after receiving it, so that the medical staff can record it. When the medical staff moves the portable terminal 3 away from the current processing device 2, the communication connection between the portable terminal 3 and the current processing device 2 is automatically disconnected, and when the portable terminal 3 is close to the processing device 2 to which another patient belongs again, the portable terminal 3 establishes a communication connection with the current nearest processing device 2 again, and updates the display data of the display device 30, showing the dripping speed data output by the current nearest processing device 2. It can be seen from this that, through the infusion speed detector in the present embodiment, the medical staff can quickly and accurately understand the dripping speed of each patient in the current infusion process.
[0019] Specifically, Figure 2 and Figure 3 As shown, in order to facilitate the installation of the first photoelectric sensor 10, the infusion speed detector in this embodiment also includes a fixing frame 8, on which a cavity 80 for accommodating the dropper 4 is provided, and the upper and lower ends of the cavity 80 are provided with first openings 81 for the infusion tube on the infusion set to pass through, and a mounting groove 82 connected with the cavity 80 is provided on the side wall of the fixing frame 8, and the mounting groove 82 is used to fix and install the first photoelectric sensor 10. When in use, after the connecting end on the infusion set is inserted into the infusion container, the dropper 4 of the infusion set is placed in the cavity 80 on the fixing frame 8, and the infusion tube connected with the dropper 4 passes through the first opening 81 on the fixing frame 8. The first photoelectric sensor 10 detects the dripping of the droplet in the dropper 4 through the mounting groove 82. In this embodiment, by setting the fixing frame 8 with the above structure, the fixed installation of the first photoelectric sensor 10 is convenient, and during the working process, the dropper 4 is in a fixed state, which can effectively avoid the interference caused by shaking.
[0020] Preferably, the fixing frame 8 is made of a flexible material, the diameter of the cavity 80 is slightly smaller than the diameter of the dropper 4, and a second opening 83 communicating with the cavity 80 is provided on the fixing frame 8, and the second opening 83 penetrates the first openings 81 at the upper and lower ends of the cavity 80. In this embodiment, since the fixing frame 8 is made of a flexible material, when in use, the first opening 81 can be opened by utilizing the tension of the fixing frame 8 itself, and the dropper 4 enters the cavity 80 through the opened first opening 81, and then the first opening 81 is reset. At this time, since the diameter of the cavity 80 is slightly smaller than the diameter of the dropper 4, the dropper 4 is clamped in the cavity 80.
[0021] In another preferred embodiment of the infusion speed detector of the present invention, Figure 1 The processing device 2 includes a processor 20 and a monostable trigger 21 electrically connected to the processor 20. The first photoelectric sensor 10 is electrically connected to the monostable trigger 21 through a shaping circuit 22. The shaping circuit 22 is used to shape the analog signal output by the first photoelectric sensor 10 into a square wave signal and transmit it to the monostable trigger 21. The monostable trigger 21 is used to filter out the interference of clutter signals. In this embodiment, when there is no droplet falling from the dropper 4, the shaping circuit 22 enters a conducting state and outputs a high level. When there is a droplet falling from the dropper 4, the shaping circuit 22 enters a non-conducting state and outputs a low level. In order to avoid interference from clutter signals, the square wave signal output by the shaping circuit 22 is output via the monostable trigger 21, so that the processor 20 obtains a stable square wave pulse signal. The specific circuit structure of the shaping circuit 22 and the monostable trigger 21 is common knowledge of those skilled in the art and will not be repeated here.
[0022] Preferably, in order to prevent the ambient light from affecting the feedback data of the first photoelectric sensor 10, please refer to Figure 1 and Figure 3A second photoelectric sensor 11 for detecting the ambient brightness is also arranged near the first photoelectric sensor 10 in the installation groove 82. The processing device 2 also includes a data mixer 23. The input end of the data mixer 23 is electrically connected to the first photoelectric sensor 10 and the second photoelectric sensor 11. The output end of the data mixer 23 is electrically connected to the shaping circuit 22. The data mixer 23 is used to filter the influence of the ambient light on the data signal received by the first photoelectric sensor 10. In this embodiment, since the second photoelectric sensor 11 is only used to detect infrared light in the environment, the second photoelectric sensor 11 may only include an infrared receiver. When working, the first photoelectric sensor 10 and the second photoelectric sensor 11 transmit the received first data signal S1 and the second data signal S2 to the data mixer 23 respectively. The data mixer 23 subtracts the second data signal from the first data signal to obtain the detection data signal S0 transmitted to the shaping circuit 22, S0=S1-S2, thereby eliminating the interference of the infrared light in the environment on the first photoelectric sensor 10.
[0023] Furthermore, in order to facilitate medical staff to understand the remaining liquid volume in the current infusion container, please refer to Figure 1 and Figure 4 The infusion speed detector in this embodiment also includes a weighing device 5 electrically connected to the processor 20, and a hook 50 for hooking the infusion container is provided on the weighing device 5. During infusion, the infusion container is hooked on the hook 50, and the weighing device 5 detects the weight of the infusion container in real time. The processor 20 converts the weight data detected by the weighing device 5 into capacity data and transmits it to the portable terminal 3 for display. Preferably, the infusion speed detector in this embodiment also includes an alarm 6 electrically connected to the processor 20. When the weighing device 5 detects that the remaining capacity in the infusion container is less than the set value, the alarm 6 is activated to remind the patient or medical staff.
[0024] In addition, in order to facilitate remote reception of the dripping speed of the infusion process and the remaining capacity in the infusion container, a WIFI module 7 electrically connected to the processor 20 can also be set up. Through the WIFI module 7, the data processed by the processor 20 can be sent to the nurse station monitoring system or medical staff through the network.
[0025] The above disclosure is only the preferred embodiment of the present invention, which certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention are still within the scope covered by the present invention.
Claims
1. An infusion speed detector, characterized in that: The invention comprises a detection device, a processing device and a portable terminal, wherein the detection device comprises a first photoelectric sensor for detecting the dripping speed of a liquid drop in a dropper on an infusion device, the first photoelectric sensor is electrically connected to the processing device, the processing device is used to process a signal fed back by the first photoelectric sensor to obtain dripping speed data, the portable terminal is connected to the processing device through an NFC system, and a display device is also provided on the portable terminal, and the display device is used to display the dripping speed data; The apparatus further comprises a fixing frame, wherein the fixing frame is provided with a cavity for accommodating the dropper, and the upper and lower ends of the cavity are provided with first openings for the infusion tube on the infusion set to pass through, and the side wall of the fixing frame is provided with a mounting groove communicating with the cavity, and the mounting groove is used for fixing and mounting the first photoelectric sensor; The processing device includes a processor and a monostable trigger electrically connected to the processor, the first photoelectric sensor is electrically connected to the monostable trigger via a shaping circuit, and the shaping circuit is used to shape the analog signal into a square wave signal and transmit it to the monostable trigger; A second photoelectric sensor for detecting ambient brightness is also arranged in the installation groove near the first photoelectric sensor. The processing device also includes a data mixer. The input end of the data mixer is electrically connected to the first photoelectric sensor and the second photoelectric sensor, and the output end of the data mixer is electrically connected to the shaping circuit. The data mixer is used to filter the influence of ambient light on the data signal received by the first photoelectric sensor. The fixing frame is made of flexible material, the diameter of the cavity is slightly smaller than the diameter of the dropper, and a second opening portion connected to the cavity is arranged on the fixing frame, and the second opening portion passes through the first opening portion at the upper and lower ends of the cavity.
2. The infusion speed detector according to claim 1, characterized in that: It also includes a weighing device electrically connected to the processor, and the weighing device is provided with a hook for hooking the infusion container.
3. The infusion speed detector according to claim 1, characterized in that: Also included is an alarm electrically connected to the processor.
4. The infusion speed detector according to claim 1, characterized in that: Also included is a WIFI module electrically connected to the processor.