Infusion apparatus with over-low liquid level reminding function
By setting fixed components and limiting components on the base of the infusion device, the problem of unstable structure of the existing infusion level alarm device is solved, and the stable fixation and liquid level monitoring of the infusion device are achieved, reducing medical costs and patient injury risks.
Patent Information
- Application Number
- CN202420298334.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-02-19
AI Technical Summary
The existing infusion level alarm device is unstable when used, which can easily cause the needle to break away from the infusion bottle mouth, increase medical costs, and may cause the patient to be injured due to falling drops.
An infusion device with a reminder of low liquid level is designed. By setting fixing components and limiting components on the base, it ensures that the infusion bottle mouth is firmly fixed in the through hole. The liquid level sensor can effectively monitor the liquid level and avoid the needle breaking out and the bottle tilting.
This design increases the structural stability of the infusion device, avoids the needle from the bottle opening, reduces medical costs, and reduces patient injuries caused by equipment instability.
Smart Images

Figure CN222549859U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to an infusion set with a low liquid level reminder function. Background Art
[0002] Intravenous drip infusion is a commonly used treatment method in clinical practice. Traditional disposable infusion sets are generally composed of eight parts: intravenous needle or injection needle, needle cap, infusion hose, liquid filter, flow rate regulator, drip pot, bottle stopper puncture device, air filter, etc. Some infusion sets also have injection parts, drug addition ports, etc.
[0003] Chinese patent document CN215821950U discloses a new type of liquid level alarm device for infusion, including a liquid level sensor, a controller connected to the liquid level sensor, and an alarm connected to the controller. The liquid level sensor is connected to an infusion tube fixing device, and the infusion tube fixing device includes support columns fixedly connected to both ends of the liquid level sensor, an infusion tube positioning buckle fixedly connected to the end of the support column, and a drip pot positioning buckle arranged between the two support columns. The liquid level sensor is provided with a sensing port located at the bottom of the drip pot positioning buckle. The above-mentioned new type of liquid level alarm device for infusion has shortcomings. Although the device can realize the liquid level alarm, it has limitations. The weight of the entire device is located at the drip pot, which makes the needle easy to fall off due to the gravity of the drip pot, causing the needle to touch the ground and be directly scrapped, increasing medical costs. Secondly, it is easy to cause patient injuries due to the drop of the drip pot.
[0004] Therefore, in order to solve such problems, we propose an infusion set with a low liquid level reminder function. Utility Model Content
[0005] The utility model aims to provide an infusion set with a low liquid level reminder function, aiming to solve the problem in the above-mentioned background technology that the existing new type of infusion liquid level alarm device is structurally unstable during use and the needle is easily separated from the mouth of the infusion bottle.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an infusion set with a low liquid level reminder function, comprising a base, a through hole is opened at the upper end of the base, three second mounting grooves are opened inside the base, the second mounting grooves are all located outside the through hole, three groups of fixing components are arranged inside the base, the fixing components are respectively located in the second mounting grooves, the fixing components include a second spring, a card block is arranged at one end of the second spring, a guide block is arranged at the end of the card block away from the second spring, a third mounting groove is opened at the end of the guide block away from the card block, a liquid level sensor is arranged inside the card block, and the liquid level sensor is located in the third mounting groove.
[0007] Preferably, a first mounting groove is formed on the side wall of the base, a limiting assembly is arranged inside the base, the limiting assembly is located in the first mounting groove, the limiting assembly includes a first spring, a pad is arranged at one end of the first spring, a connecting column is arranged at the end of the pad away from the first spring, and a limiting plate is arranged at the end of the connecting column away from the pad.
[0008] Preferably, a fixing seat is provided on the side wall of the base, the fixing seat and the first mounting groove are located on the same side wall, and an elastic band is provided on the side wall of the fixing seat away from the base.
[0009] Preferably, the angle between the three fixing components in the base is 120°.
[0010] Preferably, there are three first installation grooves in the side wall of the base, and three groups of limiting components are arranged inside the base, and the limiting components are respectively located in the first installation grooves.
[0011] Preferably, the side wall of the base is provided with rounded corners.
[0012] The utility model has the following beneficial effects:
[0013] In the utility model, a fixing component is provided, and the mouth of the infusion bottle can be directly inserted into the through hole, so that the weight of the entire device is distributed at the infusion bottle, thereby preventing the needle from detaching from the mouth of the infusion bottle, increasing the stability of the structure, and providing a limiting component to prevent the infusion bottle from tilting due to the fixation of the elastic band, so that the arrangement is suitable for low liquid level reminders for infusion bottles of different sizes, has a simple structure and is easy to operate, has a low production cost, and is suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A three-dimensional schematic diagram of an infusion set with a low liquid level reminder function proposed by the utility model Figure 1 ;
[0015] Figure 2 A three-dimensional schematic diagram of an infusion set with a low liquid level reminder function proposed by the utility model Figure 2 ;
[0016] Figure 3 This is a three-dimensional exploded schematic diagram of a limit assembly in an infusion set with a low liquid level reminder function proposed by the utility model;
[0017] Figure 4 This is a three-dimensional schematic diagram of a fixed component in an infusion set with a low liquid level reminder function proposed by the utility model;
[0018] Figure 5 The utility model provides a three-dimensional exploded schematic diagram of a fixed component in an infusion set with a low liquid level reminder function.
[0019] Legend:
[0020] 1. Base; 101. Through hole; 102. First mounting slot; 103. Second mounting slot; 11. Fixed seat; 2. Fixed assembly; 201. Second spring; 202. Block; 203. Guide block; 204. Third mounting slot; 205. Liquid level sensor; 21. Limiting assembly; 211. First spring; 212. Pad; 213. Connecting column; 22. Limiting plate; 3. Elastic band. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0023] Reference Figure 1-5The utility model provides an embodiment: an infusion set with a low liquid level reminder function, comprising a base 1, a through hole 101 is opened at the upper end of the base 1, three second mounting grooves 103 are opened inside the base 1, the second mounting grooves 103 are all located outside the through hole 101, three groups of fixing components 2 are arranged inside the base 1, the fixing components 2 are respectively located in the second mounting grooves 103, the fixing components 2 include a second spring 201, a clamping block 202 is arranged at one end of the second spring 201, a guide block 203 is arranged at one end of the clamping block 202 away from the second spring 201, a third mounting groove 204 is opened at one end of the guide block 203 away from the clamping block 202, a liquid level sensor 205 is arranged inside the clamping block 202, and the liquid level sensor 205 is located in the third mounting groove 204.
[0024] The arrangement inserts the mouth of the infusion bottle into the through hole 101, so that the guide block 203 drives the clamping block 202 to slide in the second installation groove 103, so that the clamping block 202 squeezes the second spring 201. After the installation is completed, the second spring 201 is used to squeeze the clamping block 202, so that the clamping block 202 fixes the mouth of the infusion bottle through the guide block 203, and then the liquid level sensor 205 monitors the liquid level in the infusion bottle. The weight of the entire device of the arrangement is distributed on the infusion bottle, thereby increasing the stability of the structure.
[0025] A first mounting groove 102 is provided on the side wall of the base 1, and a limiting assembly 21 is arranged inside the base 1. The limiting assembly 21 is located in the first mounting groove 102. The limiting assembly 21 includes a first spring 211, and a pad 212 is arranged at one end of the first spring 211. A connecting column 213 is arranged at the end of the pad 212 away from the first spring 211, and a limiting plate 22 is arranged at the end of the connecting column 213 away from the pad 212, which is used to keep the small infusion bottle in a vertical direction to prevent the small infusion bottle from tilting due to the pulling of the elastic band 3.
[0026] A fixing seat 11 is arranged on the side wall of the base 1. The fixing seat 11 and the first mounting groove 102 are located on the same side wall. An elastic band 3 is arranged on the side wall of the fixing seat 11 away from the base 1 for limiting the infusion bottle by the elastic band 3 to prevent the infusion bottle from falling and increase the stability of the structure.
[0027] The included angle between the three fixing components 2 in the base 1 is 120°, which is used to keep the mouth of the infusion bottle located at the center of the through hole 101.
[0028] There are three first mounting grooves 102 on the side wall of the base 1. Three groups of limiting components 21 are arranged inside the base 1. The limiting components 21 are respectively located in the first mounting grooves 102 to increase the limiting effect of the limiting plate 22 on the infusion bottle and increase the stability of the limiting effect on the infusion bottle.
[0029] The side wall of the base 1 is provided with rounded corners to protect the nurses and prevent them from getting scratched.
[0030] Working principle: first, insert the mouth of the infusion bottle into the through hole 101, and then the guide block 203 drives the block 202 to slide in the second installation groove 103, and then the block 202 squeezes the second spring 201, and then after the installation is completed, the second spring 201 is used to squeeze the block 202, and then the block 202 fixes the mouth of the infusion bottle through the guide block 203, and then the liquid level sensor 205 monitors the liquid level in the infusion bottle, and then pulls the elastic band 3 to further fix the infusion bottle to increase the stability of the infusion bottle. The weight of the entire device is distributed on the infusion bottle to prevent the needle from detaching from the mouth of the infusion bottle.
[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An infusion set with a low liquid level reminder function, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a through hole (101), and three second installation grooves (103) are provided inside the base (1), and the second installation grooves (103) are all located outside the through hole (101). Three groups of fixing components (2) are provided inside the base (1), and the fixing components (2) are respectively located in the second installation grooves (103). The fixing components (2) include a second spring (201), and a clamping block (202) is provided at one end of the second spring (201), and a guide block (203) is provided at one end of the clamping block (202) away from the second spring (201), and a third installation groove (204) is provided at one end of the guide block (203) away from the clamping block (202). A liquid level sensor (205) is provided inside the clamping block (202), and the liquid level sensor (205) is located in the third installation groove (204).
2. The infusion set with low liquid level reminder function according to claim 1, characterized in that: The side wall of the base (1) is provided with a first installation groove (102), a limit assembly (21) is arranged inside the base (1), the limit assembly (21) is located in the first installation groove (102), the limit assembly (21) comprises a first spring (211), a pad (212) is arranged at one end of the first spring (211), a connecting column (213) is arranged at one end of the pad (212) away from the first spring (211), and a limit plate (22) is arranged at one end of the connecting column (213) away from the pad (212).
3. The infusion set with a low liquid level reminder function according to claim 1, characterized in that: The side wall of the base (1) is provided with a fixing seat (11), the fixing seat (11) and the first installation groove (102) are located on the same side wall, and the side wall of the fixing seat (11) away from the base (1) is provided with an elastic band (3).
4. The infusion set with a low liquid level reminder function according to claim 1, characterized in that: The included angle between the three fixing components (2) in the base (1) is 120°.
5. The infusion set with low liquid level reminder function according to claim 2, characterized in that: The base (1) has three first installation grooves (102) on its side wall. Three groups of position limiting components (21) are arranged inside the base (1). The position limiting components (21) are respectively located in the first installation grooves (102).
6. The infusion set with a low liquid level reminder function according to claim 1, characterized in that: The side wall of the base (1) is provided with rounded corners.
Citation Information
Patent Citations
Novel liquid level alarm device for infusion
CN215821950U