Infusion alarm cut-off

CN224612993UActive Publication Date: 2026-08-11SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

传统的流量调节方式通常依赖于滚轮夹等手动调节装置,这种装置虽然简单易用,但存在调节精度不高、易受外界干扰等缺点

Benefits of technology

[0014]1、通过连接夹会将非接触式流量计限位到导流管的外侧壁,连接夹可以对导流管内侧的流量进行检测,并通过控制模块与连接导线传输到显示屏幕内,可以精准地对导流管内的流量进行检测,方便起到精准调控的作用。

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of infusion alarm technology and provides an infusion alarm flow cut-off device, including a guide tube, a drip cylinder installed in the middle of the guide tube, an infusion bottle inserted at the top of the guide tube, an air exchange tube connected to the outer side of the top of the guide tube, a limiting sleeve fitted on the outer wall of the infusion bottle, and a needle fixedly connected to the bottom of the guide tube; a flow cut-off mechanism is set on the outer wall of the guide tube, and the flow cut-off mechanism includes a connecting strap; a non-contact flow meter is limited to the outer wall of the guide tube by a connecting clip, the connecting clip can detect the flow inside the guide tube, and transmit the data to the display screen through a control module and connecting wires, which can accurately detect the flow inside the guide tube and facilitate precise control; the non-contact flow meter can monitor the flow in the infusion tube in real time, and once no flow or abnormally low flow is detected, the flow cut-off device will immediately and automatically cut off the infusion tube.
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Description

Technical Field

[0001] This utility model relates to the field of infusion alarm technology, specifically an infusion alarm cutoff device. Background Technology

[0002] In the medical field, intravenous infusion is a common treatment method used to deliver medications, nutritional solutions, or other therapeutic fluids into the patient's body. However, the safety and accuracy of the infusion process have always been a focus of attention for healthcare professionals. Traditional infusion methods often rely on manual operation and observation by healthcare workers, which not only increases their workload but also poses numerous potential risks.

[0003] Especially in cases of prolonged intravenous infusion or when the patient is unconscious and unable to self-monitor, flow control within the infusion tubing becomes particularly important. Traditional flow regulation methods typically rely on manual adjustment devices such as roller clamps. While these devices are simple and easy to use, they suffer from drawbacks such as low adjustment accuracy and susceptibility to external interference.

[0004] To address the problems raised in the background art, those skilled in the art have proposed an infusion alarm cutoff device. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides an infusion alarm flow cut-off device. This device uses a non-contact flow meter to detect the flow rate in the guide tube in real time and displays it on the outside of the display screen, allowing for convenient real-time monitoring of the flow rate in the guide tube and easy flow rate adjustment.

[0006] An infusion alarm cutoff device includes a guide tube, a drip cylinder installed in the middle of the guide tube, an infusion bottle inserted at the top of the guide tube, an air exchange tube connected to the outer side of the top of the guide tube, a limiting sleeve fitted on the outer wall of the infusion bottle, and a needle fixedly connected to the bottom end of the guide tube.

[0007] A flow-stopping mechanism is disposed on the outer side wall of the guide tube. The flow-stopping mechanism includes a connecting strap that is suspended to the bottom end of a limiting sleeve. A limiting clamp is fixedly connected to the bottom end of the connecting strap. A display screen is installed at the bottom end of the limiting clamp. A connecting wire is installed at the output end of the display screen. A control module is installed at the end of the connecting wire away from the display screen. A non-contact flow meter is also installed at the bottom end of the control module. A connecting clamp is installed on the outer side wall of the non-contact flow meter. The connecting clamp is also clamped on the outer side wall of the guide tube. A pressing head is provided on the outermost side of the limiting clamp.

[0008] An adjustment mechanism is provided on the outside of the limiting clamp.

[0009] Preferably, a flow cutter is provided between the connecting clamp and the guide tube. The flow cutter is also electrically connected to the control module and is used to automatically cut off the infusion tube when no flow or abnormally low flow is detected in the infusion tube.

[0010] Preferably, the flow cutter in the connecting clamp includes an automatically closing valve mechanism, which can cut off the air in the guide pipe after receiving the flow cut signal from the control module.

[0011] Preferably, the adjusting mechanism includes a connecting sleeve, which is fixedly connected to the outer wall of the limiting clamp. A limiting groove is formed on the inner wall of the connecting sleeve. The limiting groove is formed in the shape of an oblique groove on the two inner walls of the connecting sleeve. A flow-blocking roller is also rotatably connected to the inner side of the limiting groove.

[0012] Preferably, an anti-slip pad is provided between the limiting slide groove and the intercepting roller, and the limiting slide groove and the intercepting roller slide through the anti-slip pad. The intercepting roller is also connected to the guide pipe to limit the flow of the guide pipe.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The non-contact flow meter is limited to the outer wall of the guide tube by the connecting clip. The connecting clip can detect the flow inside the guide tube and transmit it to the display screen through the control module and connecting wire. It can accurately detect the flow inside the guide tube and facilitate precise control.

[0015] 2. The non-contact flow meter can monitor the flow rate in the infusion tube in real time. Once no flow or abnormally low flow is detected, the flow cutter will immediately and automatically cut off the infusion tube, effectively preventing air or other unwanted substances from entering the patient's blood vessels and greatly reducing the risk of medical accidents. Attached Figure Description

[0016] Figure 1 This is one of the three-dimensional structural schematic diagrams of this utility model;

[0017] Figure 2 This utility model Figure 1 Schematic diagram of the three-dimensional structure (Part 2);

[0018] Figure 3 This utility model Figure 1 A schematic diagram of the regulating mechanism.

[0019] In the diagram: 1. Guide tube; 11. Drip cartridge; 12. Infusion bottle; 13. Air exchange tube; 14. Limiting sleeve; 15. Needle; 2. Connecting strap; 21. Limiting clamp; 23. Display screen; 24. Connecting wire; 25. Control module; 26. Non-contact flow meter; 28. Pressing head; 3. Connecting slide sleeve; 31. Limiting groove; 32. Flow-stopping roller. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0021] As attached Figure 1 To be continued Figure 3 As shown:

[0022] Example 1: See Figure 1 and Figure 2 This utility model provides an infusion alarm cutoff device, including a guide tube 1, a drip cylinder 11 installed in the middle of the guide tube 1, an infusion bottle 12 inserted into the top of the guide tube 1, an air exchange tube 13 connected to the outer side of the top of the guide tube 1, a limiting sleeve 14 sleeved on the outer wall of the infusion bottle 12, and a needle 15 fixedly connected to the bottom end of the guide tube 1.

[0023] A flow-stopping mechanism is disposed on the outer wall of the guide pipe 1. The flow-stopping mechanism includes a connecting strap 2, which is suspended to the bottom end of the limiting sleeve 14. A limiting clamp 21 is fixedly connected to the bottom end of the connecting strap 2. A display screen 23 is installed at the bottom end of the limiting clamp 21. A connecting wire 24 is installed at the output end of the display screen 23. A control module 25 is installed at the end of the connecting wire 24 away from the display screen 23. A non-contact flow meter 26 is also installed at the bottom end of the control module 25. The non-contact flow meter 26 is equipped with a connecting clip 27 on its outer side wall. The connecting clip 27 is also clamped to the outer side wall of the guide tube 1. The outermost side of the limiting clip 21 is provided with a pressing head 28. The non-contact flow meter 26 is limited to the outer side wall of the guide tube 1 by the connecting clip 27. The connecting clip 27 can detect the flow inside the guide tube 1 and transmit it to the display screen 23 through the control module 25 and the connecting wire 24. It can accurately detect the flow inside the guide tube 1 and facilitate precise control.

[0024] A flow cutter is provided between the connecting clamp 27 and the guide tube 1. The flow cutter is also electrically connected to the control module and is used to automatically cut off the infusion tube when no flow or abnormally low flow is detected in the infusion tube. The flow cutter in the connecting clamp 27 includes an automatically closing valve mechanism. After receiving the flow cut-off signal from the control module, the valve mechanism can cut off the air in the guide tube 1. The flow in the infusion tube can be monitored in real time by a non-contact flow meter 26. Once no flow or abnormally low flow is detected, the flow cutter will immediately and automatically cut off the infusion tube, effectively preventing air or other unwanted substances from entering the patient's blood vessels and greatly reducing the risk of medical accidents.

[0025] Example 2: See Figure 3 The adjustment mechanism is located on the outside of the limiting clamp 21. The adjustment mechanism includes a connecting sleeve 3, which is fixedly connected to the outer wall of the limiting clamp 21. A limiting groove 31 is formed on the inner wall of the connecting sleeve 3. The limiting groove 31 is formed in the shape of an inclined groove on the two inner walls of the connecting sleeve 3. A flow-blocking roller 32 is also rotatably connected to the inner side of the limiting groove 31. By sliding the flow-blocking roller 32 along the track in the limiting groove 31, the position of the flow-blocking roller 32 can be adjusted, which facilitates the adjustment of the flow rate in the guide pipe 1.

[0026] An anti-slip pad is provided between the limiting slide groove 31 and the intercepting roller 32. The limiting slide groove 31 and the intercepting roller 32 slide through the anti-slip pad. The intercepting roller 32 is also connected to the guide pipe 1 to limit the flow of the guide pipe 1. The anti-slip pad provided between the limiting slide groove 31 and the intercepting roller 32 makes it easy to push the intercepting roller 32 and limit it into the limiting slide groove 31.

[0027] Specifically, in actual use, the limiting clamp 21 and the connecting clamp 27 can be combined into one clamp to form a whole, making it more convenient to operate. In addition, a drip rate adjustment button can be set on the outside of the display screen 23 during use. The drip rate adjustment button is controlled by the control module 25 to control the sliding of the control 32 to control the drip rate in the pipe.

[0028] Working principle: When this device is needed, first install the connecting strap 2 on the outside of the limiting sleeve 14, clamp the limiting clamp 21 and the connecting clamp 27 on the outside of the guide tube 1, and then detect the flow rate in the guide tube 1 through the non-contact flow meter 26. The non-contact flow meter 26 displays the data on the display screen 23 through the control module 25. The flow rate of the guide tube 1 can be adjusted by sliding the flow-blocking roller 32 in the limiting groove 31. The adjusted flow rate will also be displayed on the display screen 23, which can conveniently display the adjusted flow rate in real time. When the medicine in the limiting sleeve 14 is injected, the non-contact flow meter 26 will not detect the flow and will control the internal flow-blocking device to block the flow in the guide tube 1 to prevent air from entering.

[0029] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all use conventional models in the prior art, and the circuit connections also use conventional connection methods in the prior art, which will not be detailed here. Any content not described in detail in this specification belongs to the prior art known to those skilled in the art.

[0030] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0033] In the description of this specification, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0034] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An infusion alarm shutoff device, characterized by: Includes a flow guide tube (1), a drip cylinder (11) is installed in the middle of the flow guide tube (1), an infusion bottle (12) is inserted into the top of the flow guide tube (1), an air exchange tube (13) is connected to the outer side of the top of the flow guide tube (1), a limiting sleeve (14) is fitted on the outer wall of the infusion bottle (12), and a needle (15) is fixedly connected to the bottom end of the flow guide tube (1). A flow-blocking mechanism is provided on the outer side wall of the guide pipe (1). The flow-blocking mechanism includes a connecting strap (2), which is suspended to the bottom end of the limiting sleeve (14). The bottom end of the connecting strap (2) is fixedly connected to a limiting clamp (21). A display screen (23) is installed at the bottom end of the limiting clamp (21). A connecting wire (24) is installed at the output end of the display screen (23). A control module (25) is installed at the end of the connecting wire (24) away from the display screen (23). A non-contact flow meter (26) is also installed at the bottom end of the control module (25). A connecting clamp (27) is installed on the outer side wall of the non-contact flow meter (26). The connecting clamp (27) is also clamped on the outer side wall of the guide pipe (1). A pressing head (28) is provided on the outermost side of the limiting clamp (21). An adjustment mechanism is provided on the outside of the limiting clamp (21).

2. The infusion alarm occluder of claim 1, wherein: A flow cutter is provided between the connecting clamp (27) and the guide tube (1). The flow cutter is also electrically connected to the control module and is used to automatically cut off the infusion tube when no flow or abnormally low flow is detected in the infusion tube.

3. The infusion alarm occluder of claim 2, wherein: The flow cutter in the connecting clamp (27) includes an automatically closing valve mechanism that can cut off the air in the guide pipe (1) after receiving the flow cut-off signal from the control module.

4. The infusion alarm occluder of claim 1, wherein: The adjustment mechanism includes a connecting sleeve (3), which is fixedly connected to the outer wall of the limiting clamp (21). A limiting groove (31) is provided on the inner wall of the connecting sleeve (3). The limiting groove (31) is formed in the shape of an oblique groove on the two inner walls of the connecting sleeve (3). A flow-blocking roller (32) is also rotatably connected to the inner side of the limiting groove (31).

5. The infusion alarm occluder of claim 4, wherein: An anti-slip pad is provided between the limiting slide groove (31) and the intercepting roller (32). The limiting slide groove (31) and the intercepting roller (32) slide through the anti-slip pad. The intercepting roller (32) is also connected to the guide pipe (1) to limit the flow of the guide pipe (1).