Transfusion alarm

By designing an infusion alarm with an adjustment knob and a sensor, the problem that existing infusion devices cannot adjust the flow rate and detect the input amount is solved, convenient control and accuracy of the infusion process are achieved, and the patient's discomfort is reduced.

CN223380905UActive Publication Date: 2025-09-26THE THIRD AFFILIATED HOSPITAL OF PLA NAVAL MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202422319669.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-09-26
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

Existing infusion alarms have a simple structure and single function. They cannot adjust the infusion flow rate and cannot detect the amount of drug input. Traditional roller flow rate regulators are inconvenient to install and can easily cause discomfort to patients. Traditional infusion pumps are large in size and have limited use.

Method used

Abstract: Infusion alarm is a kind of liquid infusion alarm. It is a kind of liquid infusion alarm. It is designed, which includes a single-chip microcomputer, a sensor clip, a manual switch, a buzzer and a display screen. It is equipped with an adjustment knob, a pressure plate, a flow sensor, a pressure sensor and a timer. It can detect and adjust the infusion flow in real time, and display the infusion progress and abnormal conditions on the display screen, realizing some functions of the infusion pump.

Benefits of technology

It realizes convenient adjustment and real-time detection of infusion flow, reduces discomfort to patients, improves the accuracy of drug liquid input and flexibility of use, and reduces restrictions on patients.

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Abstract

The utility model discloses an infusion alarm, which comprises an infusion alarm main body formed by a single chip microcomputer, an induction clamp, a manual control switch and a buzzer, an adjusting knob is rotatably arranged on the infusion alarm, and the adjusting knob is connected with a pressing plate arranged on the induction clamp in a sliding mode and drives the pressing plate to slide. A display screen is arranged on the infusion alarm body, a timer, a flow sensor and a pressure sensor which are connected with the single chip microcomputer are arranged in the infusion alarm body, the flow sensor acts on the sensing clamp, and the pressure sensor acts on the pressing plate. Compared with a traditional infusion alarm structure, the infusion alarm structure is matched with the adjusting knob and the pressing plate of the adjusting knob, so that the infusion flow can be conveniently adjusted; and meanwhile, the input amount of liquid medicine in the infusion tube can be detected and observed in real time under the action of a display screen on the infusion alarm main body, a flow sensor, a pressure sensor and a timer, wherein the flow sensor, the pressure sensor and the timer are arranged in the infusion alarm main body and are connected with the single chip microcomputer.
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Description

Technical Field

[0001] The utility model relates to the field of medical auxiliary equipment, in particular to an infusion alarm. Background Art

[0002] Designed based on the regularity of infusion dressing changes, the infusion alarm is primarily designed for the blind, those in intensive care units, the elderly, those with limited mobility, those receiving long-term infusions, or those bedridden. It monitors infusions and provides an empty drip warning. It consists of a single-chip microcontroller, a sensor clip, a manual switch, and a buzzer. Some devices can also display the drip rate and heating function. They can also be connected to intensive care sensing systems to improve nursing efficiency and reduce labor costs. Sensors detect the patient's infusion progress, enabling real-time sensing and monitoring of the infusion process. Signals are then forwarded by an intelligent controller, ultimately displaying infusion progress and empty drip warning information on the nurse's station terminal.

[0003] Currently, the infusion alarm devices commonly found on the market, which are clipped onto infusion tubes, have a simple structure and relatively single function. Although they can meet basic usage requirements, they are often unable to adjust the infusion flow rate in the infusion tube, nor can they detect the amount of drug input in the infusion tube. The above functions are usually achieved by adjusting the infusion flow rate with a roller-type flow rate regulator installed on the infusion tube. However, traditional roller-type flow rate regulators are often installed between the dropper and the needle on the infusion tube, which is inconvenient to disassemble and has certain limitations in position adjustment. Moreover, during the adjustment process, the drug in the infusion tube is easily subjected to the pressure of the roller on the flow rate regulator, which can easily generate a reaction force, causing the drug flow rate to increase instantly during the adjustment process and enter the patient's body through the needle. Flow rate regulators installed in this position can easily cause discomfort to the patient. In addition, the detection of drug input volume is often achieved in conjunction with the use of an infusion pump according to the infusion requirements. Traditional infusion pump structures are usually large in size, which has certain limitations and inconveniences when used. Utility Model Content

[0004] The purpose of the utility model is to provide an infusion alarm, which is convenient to use and can detect the amount of liquid medicine input in the infusion tube in real time, and is convenient to adjust the flow rate of the liquid medicine without causing discomfort to the patient.

[0005] The technical solution adopted by the present invention to solve the above problems is:

[0006] An infusion alarm includes an infusion alarm main body consisting of a single-chip microcomputer, a sensing clip, a manual switch and a buzzer. The infusion alarm is rotatably provided with an adjustment knob, the adjustment knob is connected to a pressure plate slidably provided on the sensing clip and drives it to slide. The infusion alarm main body is provided with a display screen and internally provided with a timer connected to the single-chip microcomputer, a flow sensor and a pressure sensor. The flow sensor acts on the sensing clip, and the pressure sensor acts on the pressure plate.

[0007] Furthermore: a matching annular plate is provided on the periphery of the adjusting knob on the main body of the infusion alarm and a pointer is provided on the adjusting knob, and a matching annular scale line is provided on the annular plate.

[0008] Furthermore: the pressure plate is configured as an arc-shaped plate and the side wall surface is correspondingly configured as an arc surface.

[0009] Furthermore: the infusion alarm body is also connected to an infusion counter, which is placed below the infusion alarm and clamped at the corresponding dropper position on the infusion tube. The infusion counter is equipped with a counter and an infrared drop count sensor and is connected to the single-chip microcomputer in the infusion alarm body.

[0010] Furthermore: the infusion counter is connected to the infusion alarm via a detachable structure, and a second display screen is also provided on the main body thereof, and the second display screen is connected to the infrared drop count sensor and the counter inside the main body of the infusion counter.

[0011] Compared with the prior art, the present invention has the following advantages and effects:

[0012] The utility model is an infusion alarm. Compared with the traditional infusion alarm structure, this infusion alarm can facilitate the adjustment of the infusion flow rate by cooperating with the setting of the adjustment knob and its pressure plate. At the same time, with the display screen on the infusion alarm body and the flow sensor, pressure sensor and timer connected to the single-chip computer inside, the input amount of the medicine liquid in the infusion tube can be detected and observed in real time. It can meet different usage needs and is convenient for installation and disassembly processes at different positions of the infusion tube. At the same time, the installation position can be set to be clamped at the upper position of the corresponding dropper on the infusion tube, so that when the pressure plate is controlled to slide and press the infusion tube by the adjustment knob, the medicine liquid in the infusion tube is subjected to the reaction force and enters the dropper. At the same time, the reaction force generated can be offset accordingly through the dripping process, thereby The discomfort caused to the patient is further reduced, and the display screen can also display real-time power information through the power module provided inside the infusion alarm. The setting of the manual switch can meet the basic control requirements of the infusion alarm and facilitate the control and adjustment of the working state. The setting of the buzzer can timely alarm for abnormal conditions of the medicine in the infusion tube, so that the infusion alarm has a simple structure and diverse and comprehensive functions. In addition, the infusion alarm can realize some functions of the infusion pump, which is more convenient to use and the patient's activities during the infusion process are not restricted. When used with the infusion pump, the input amount detection of the infusion pump and this infusion alarm can be used for comparison and judgment, which can further improve the accuracy of the medicine input amount. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of an infusion alarm according to an embodiment of the present utility model.

[0014] Figure 2 It is a partial enlarged view of the infusion alarm of the embodiment of the utility model.

[0015] Figure 3 This is a working principle diagram of the infusion alarm according to an embodiment of the present utility model.

[0016] Figure 4 It is an exploded view of the infusion alarm and infusion counter according to an embodiment of the present utility model.

[0017] Figure numbers: infusion alarm 100, induction clip 101, manual switch 102, buzzer 103, display screen 104, annular plate 105, scale line 1051, adjustment knob 1, pointer 11, pressure plate 2, arc surface 21, infusion counter 110, infrared drop count sensor 111, second display screen 112, infusion tube 120, dropper 121. DETAILED DESCRIPTION

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0019] See also Figure 1-3 This embodiment relates to an infusion alarm 100, which includes an infusion alarm 100 main body consisting of a single-chip microcomputer, a sensing clip 101, a manual switch 102 and a buzzer 103. The infusion alarm 100 is rotatably provided with an adjustment knob 1, and the adjustment knob 1 is connected to a pressure plate 2 slidably provided on the sensing clip 101 and drives it to slide. The infusion alarm 100 main body is provided with a display screen 104 and is internally provided with a timer connected to the single-chip microcomputer, a flow sensor and a pressure sensor. The flow sensor acts on the sensing clip 101, and the pressure sensor acts on the pressure plate 2.

[0020] Specifically in this embodiment, when in use, the main body of the infusion alarm 100 can be clamped on the infusion tube 120, and the induction clip 101 is in contact with the infusion tube 120 and can detect the flow of the liquid medicine in the infusion tube 120 in real time through the flow sensor. At the same time, by rotating the adjustment button provided on the main body of the infusion alarm 100, the adjustment knob 1 and the pressure plate 2 can be connected by an adapted threaded connection to drive the pressure plate 2 to slide up and down. For details, see Figure 2 As shown in , the corresponding pressure plate 2 on the sensing clamp 101 slides accordingly, thereby squeezing the infusion tube 120 clamped on the sensing clamp 101, and realizing the adjustment process of the flow rate of the liquid medicine in the infusion tube 120. At the same time, during the adjustment process, the pressure sensor acting on the pressure plate 2 detects the pressure between the pressure plate 2 and the infusion tube 120 in real time. The working process of this infusion alarm 100 can be seen in Figure 3As shown, specifically during use, the flow sensor detects the flow of the liquid medicine in the infusion tube 120 in real time, the pressure sensor detects the pressure between the pressure plate 2 and the infusion tube 120, and the timer can detect the flow time of the liquid medicine in the infusion tube 120 in real time. The single-chip microcomputer in the main body of the infusion alarm 100 can respectively receive and process the corresponding signals of the timer and the flow sensor and pressure sensor respectively acting on the induction clip 101 and the pressure plate 2. The single-chip microcomputer cooperates with the timer, the flow sensor and the pressure sensor to calculate the amount of liquid medicine input in the infusion tube 120, and can The display screen 104 on the main body of the infusion alarm 100 respectively displays the corresponding data of the flow condition, flow rate and input amount of the liquid medicine in the infusion tube 120 in real time. Compared with the traditional infusion alarm 100 structure, this infusion alarm 100 can facilitate the adjustment of the infusion flow rate by cooperating with the setting of the adjustment knob 1 and its pressure plate 2. At the same time, with the display screen 104 on the main body of the infusion alarm 100 and the flow sensor, pressure sensor and timer connected to the single-chip microcomputer inside, the input amount of the liquid medicine in the infusion tube 120 can be detected and observed in real time, which can meet different usage needs and facilitate infusion. The installation and disassembly process of the tube 120 at different positions, and the installation position can be set to be clamped at the upper position of the corresponding dropper 121 on the infusion tube 120, so that when the pressure plate 2 is controlled to slide and press the infusion tube 120 by adjusting the knob 1, the liquid in the infusion tube 120 is subjected to the reaction force and enters the dropper 121. At the same time, the reaction force generated can be offset accordingly during the dripping process, thereby further reducing the discomfort caused to the patient, and the display screen 104 can also display real-time power information through the power module provided inside the infusion alarm 100, and the setting of the manual switch 102 can meet this requirement. The infusion alarm 100 meets the basic control requirements and facilitates the control and adjustment of the working status. The setting of the buzzer 103 can timely alarm for abnormal conditions of the medicine in the infusion tube 120, so that the infusion alarm 100 has a simple structure and diverse and comprehensive functions. In addition, the infusion alarm 100 can realize some functions of the infusion pump, which is more convenient to use and the patient's activities during the infusion process are not restricted. When used in conjunction with the infusion pump, the input amount detection of the infusion pump and the infusion alarm 100 can be compared and judged, which can further improve the accuracy of the medicine input amount.

[0021] The infusion alarm 100 is provided with a matching annular plate 105 on the periphery of the adjusting knob 1 and a pointer 11 is provided on the adjusting knob 1. The annular plate 105 is provided with a matching annular scale line 1051. The specific annular scale line 1051 can be set according to the specific sliding distance of the pressure plate 2 on the corresponding sensing clip 101 during the rotation of the adjusting knob 1, so that the sliding distance of the pressure plate 2 can be observed and judged according to the position of the pointer 11 on the adjusting knob 1 and the specific scale size on the corresponding annular plate 105. The setting of the annular scale line 1051 on 05 can also be coordinated with the specific liquid output of the infusion tube 120 according to the sliding distance of the pressure plate 2. By using the experimental process of multiple data measurements in the early stage, the scale line 1051 of the corresponding liquid flow rate on the annular plate 105 is set. The adaptive setting of the pointer 11 and the annular plate 105 can further improve the accuracy of the sliding distance of the pressure plate 2 and the measurement accuracy of its pressure sensor, thereby further improving the accuracy of the infusion alarm 100 in measuring the liquid input data, and also further improving the convenience and efficiency of adjustment.

[0022] The pressure plate 2 is configured as an arc-shaped plate and the side wall surface is correspondingly configured with an arc surface 21. Figure 2 It can be seen that the pressure plate 2 set in the arc shape can adapt to the infusion tube 120 and fit more closely with the infusion tube 120, thereby improving the stability and accuracy of the control of the flow rate of the liquid medicine in the infusion tube 120 during the adjustment process of the pressure plate 2, and the side wall surface of the pressure plate 2 set in the arc surface 21 can effectively prevent the pressure plate 2 from pressing the infusion tube 120 during the sliding process, causing wear on the surface of the infusion tube 120 and even causing leakage of the infusion tube 120, thereby further improving the stability of this infusion alarm 100 during use.

[0023] The infusion alarm 100 is also connected to an infusion counter 110. The infusion counter 110 is placed below the infusion alarm 100 and is clamped at the corresponding dropper 121 position on the infusion tube 120. The infusion counter 110 is internally provided with a counter and an infrared drop count sensor 111 and is connected to the single chip microcomputer in the infusion alarm 100. For details, see Figure 1As shown, the structure of the corresponding infusion counter 110 can be used in conjunction with the infusion alarm 100 to clamp and fix the infusion tube 120 at the corresponding position, and when used in conjunction with the infusion alarm 100 body, the infrared drop count sensor 111 provided in the infusion counter 110 can detect the dripping situation of the liquid medicine in the dropper 121 in real time, and can measure the number of times the liquid medicine drips under the action of the counter, and at the same time cooperate with the single chip microcomputer connected thereto to receive and process the corresponding signal and display it on the display screen on the infusion alarm 100 body. 104 performs real-time display of corresponding data. The addition of the infusion counter 110 on the main body of the infusion alarm 100, combined with the internal counter and infrared drop count sensor 111 connected to the single-chip microcomputer inside the main body of the infusion alarm 100, can further improve the accuracy of measurement data such as the flow condition, flow rate and input amount of the liquid medicine in the infusion tube 120, and combined with the buzzer 103, can further improve the detection range and measurement effect of the infusion alarm 100 on the liquid medicine in the infusion tube 120, and improve the feedback effect and timeliness of feedback when abnormal situations occur.

[0024] See also Figure 4 The infusion counter 110 is connected to the infusion alarm 100 through a detachable structure, and a second display screen 112 is further provided on its main body. The second display screen 112 is connected to the infrared drop count sensor 111 and the counter inside the main body of the infusion counter 110. The setting of the second display screen 112 on the infusion counter 110 can separately display the corresponding drop count and the usage status of the infusion counter 110 for the infrared drop count sensor 111 and the counter connected thereto. At the same time, the comparative display of the second display screen 112 and the display screen 104 on the infusion alarm 100 can further improve the usage effect of the infusion counter 110, and the infusion counter 110 can be clamped at the corresponding position of the infusion alarm 100 main body using the corresponding clamping ring structure shown in the figure to achieve detachable connection, facilitate the installation and disassembly of the infusion counter 110, and cooperate with the setting of the second display screen 112 on its main body to realize the separate use of the infusion counter 110, meet different usage requirements, and further improve the convenience and flexibility during use.

[0025] The above contents described in this specification are merely examples of the present invention. Those skilled in the art of the present invention may make various modifications, additions, or substitute similar methods to the specific embodiments described, as long as they do not deviate from the contents of this specification or exceed the scope defined by the claims, and shall fall within the scope of protection of the present invention.

Claims

1. An infusion alarm, comprising a main body of an infusion alarm consisting of a single-chip microcomputer, a sensor clip, a manual switch, and a buzzer, characterized in that: The infusion alarm is provided with an adjustment knob that is rotatable. The adjustment knob is connected to a pressure plate that is slidably provided on the sensing clip and drives it to slide. The infusion alarm body is provided with a display screen and a timer, a flow sensor and a pressure sensor connected to the single-chip computer are provided inside. The flow sensor acts on the sensing clip and the pressure sensor acts on the pressure plate.

2. The infusion alarm according to claim 1, characterized in that: An adaptive annular plate is provided on the periphery of the regulating knob on the main body of the infusion alarm, and a pointer is provided on the regulating knob. An adaptive annular scale line is provided on the annular plate.

3. The infusion alarm according to claim 1, characterized in that: The pressure plate is configured as an arc-shaped plate and the side wall surface is correspondingly configured as an arc surface.

4. The infusion alarm according to claim 1, characterized in that: The infusion alarm body is also connected to an infusion counter, which is placed below the infusion alarm and clamped at the corresponding dropper position on the infusion tube. A counter and an infrared drop count sensor are provided inside the infusion counter and are connected to the single-chip microcomputer in the infusion alarm body.

5. The infusion alarm according to claim 4, characterized in that: The infusion counter is connected to the infusion alarm through a detachable structure. A second display screen is also provided on the main body of the infusion counter. The second display screen is connected to the infrared drop count sensor and the counter inside the main body of the infusion counter.