A back clip for an infusion monitor

By designing an adjustable mounting base and fastener structure, the problem of existing back clips being unable to adapt to different sizes of infusion poles has been solved, achieving stable fixation and flexible adaptation of the infusion monitor.

CN224370357UActive Publication Date: 2026-06-19ZHANGJIAGANG FREE TRADE ZONE YOUDAO TRADE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHANGJIAGANG FREE TRADE ZONE YOUDAO TRADE CO LTD
Filing Date
2025-04-11
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The back clips of existing medical infusion monitors can only be used with a single type of infusion rod, and cannot accommodate infusion rods of different thicknesses, leading to problems such as unstable installation or inability to install.

Method used

A back clip for an infusion monitor has been designed, including a mounting base, a fixing component, a connecting limiting component, and an elastic component. Through the cooperation of the connecting limiting component and the elastic component, the assembly distance between the fixing component and the mounting base can be adjusted to accommodate infusion rods of different diameters.

Benefits of technology

The back clip can adapt to infusion rods of different diameters, improving installation stability and usage flexibility, and reducing problems such as unstable installation or inability to install due to differences in thickness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to medical instrument technical field, especially a kind of back clamp for infusion monitor;For infusion monitor is clamped on infusion pole, and the fixed position of infusion monitor on infusion pole is adjusted up and down by back clamp, it include: installation base body, setting up the equipment joint part of detachable installation infusion monitor;Fixing part, the abutting piece that can abut infusion pole is set on fixing part, abutting piece can advance or retreat on fixing part towards the direction of installation base body away or close to;Connecting limiting part, connecting installation base body and fixing part;Connecting limiting part includes connecting limiting part ontology, the connecting part and limiting part located at the both ends of connecting limiting part ontology, limiting part carries out limiting to the maximum stroke of fixing part away from installation base body;Connecting part is installed on installation base body, and the installation depth on installation base body is adjustable;Back clamp in the utility model can be adapted to infusion pole of different diameters, and it is simple and reasonable in structure, and practical.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a back clip for an infusion monitor. Background Technology

[0002] Medical infusion monitors are medical devices used to monitor the drip rate and remaining fluid volume of infusions. They are suitable for patients in pediatrics, obstetrics and gynecology, cardiology, neurology, urology, ICU, CCU, and oncology chemotherapy who have strict requirements for infusion drip rates, as well as patients requiring intravenous infusion therapy. Intelligent monitoring via medical infusion monitors can completely replace manual monitoring, providing timely warnings and alarms, reducing the workload of medical staff, minimizing nursing errors, improving service quality, and eliminating the drawbacks of visual monitoring by medical staff.

[0003] In existing technologies, medical infusion monitors are fixed to the infusion pole using a back clip. However, traditional back clip structures can only fix the medical infusion monitor to an infusion pole of a single specification (commonly with a diameter of about 28-32 mm). In clinical environments, different departments and brands of infusion stands have different diameters (for example, thin poles are commonly used in pediatric wards, while reinforced thick poles are often used in ICUs), leading to unstable installation or installation problems in some scenarios, thus limiting its use. This paper proposes a back clip for infusion monitors to solve the problems existing in the prior art. Utility Model Content

[0004] The purpose of this invention is to provide a back clip for an infusion monitor, so as to solve the problem that in the prior art, the back clip structure can only be adapted to a single specification of infusion rod and cannot be adapted to infusion rods of different thicknesses, thus limiting its use.

[0005] The technical solution of this utility model is: a back clip for an infusion monitor, used to clamp the infusion monitor onto the infusion rod, and the fixed position of the infusion monitor on the infusion rod can be adjusted up and down by the back clip, including:

[0006] The mounting base is equipped with a device joint for detachable installation of the infusion monitor;

[0007] The fixing component is provided with a pusher that can push against the infusion rod. The pusher can move forward or backward on the fixing component in a direction away from or towards the mounting base.

[0008] A connecting limiting component connects a mounting base and a fixing component. The connecting limiting component includes a connecting limiting component body, connecting portions at both ends of the connecting limiting component body, and limiting portions. The limiting portions limit the maximum travel of the fixing component away from the mounting base. The connecting portions are mounted on the mounting base, and the mounting depth on the mounting base is adjustable. The fixing component has a through hole, and the connecting limiting component body passes through the through hole and slides with the through hole.

[0009] An elastic element is located between the mounting base and the fixing element and is in a compressed state, so that the fixing element is always at its maximum stroke position away from the mounting base.

[0010] Preferably, the connecting limiting member body is a connecting rod extending along the axial direction, and the connecting part is a screw with external threads; the limiting part is a cylindrical limiting boss with a diameter larger than the diameter of the through hole to form an axial stop; the screw and the limiting boss are respectively located at both ends of the connecting rod along the axial direction, and the three are coaxially arranged; the diameter of the screw is smaller than the diameter of the through hole.

[0011] The mounting base has an internal threaded hole, and the connecting part is installed in the internal threaded hole by thread. The installation depth of the connecting part on the mounting base can be adjusted by the thread engagement depth.

[0012] The elastic element is sleeved on the body of the connecting and limiting element.

[0013] Preferably, the mounting base is provided with a first guide structure;

[0014] The fastener is provided with a second guide structure that slides in conjunction with the first guide structure. The first guide structure and the second guide structure guide the fastener away from or towards the mounting base.

[0015] Preferably, the first guide structure is an insertion hole formed on the mounting base, and the second guide structure is a plug rod that is inserted into the insertion hole, wherein the axial direction of the plug rod is parallel to the direction of the fixing member away from or close to the mounting base.

[0016] Preferably, the abutment is a knob-type screw with a plum blossom operating end and an external threaded rod; the fixing member has an internal threaded through hole in the middle, and the knob-type screw is screwed into the internal threaded through hole; the axial direction of the external threaded rod is parallel to the direction of the fixing member away from or close to the mounting base.

[0017] Preferably, the device engagement portion is a hook disposed on the front side of the mounting base.

[0018] Preferably, the back of the mounting base is provided with an arc-shaped fitting surface whose radius matches the outer diameter of the infusion rod.

[0019] Preferably, the front sides of the mounting base are provided with protective wing plates that match the infusion monitor.

[0020] Preferably, there are four insertion holes and four insertion rods; the four insertion rods are located at the four corners of the fixing member;

[0021] The hooks are L-shaped in shape and there are two of them;

[0022] There are two through holes and two connecting limiting components, with the two through holes located on either side of the internal thread through hole.

[0023] Preferably, both the fastener and the mounting base have a left-right symmetrical structure.

[0024] Compared with the prior art, the advantages of this utility model are:

[0025] This utility model discloses a back clip for an infusion monitor, comprising a mounting base, a fixing component, a connecting limiting component, and an elastic component. The connecting limiting component connects the mounting base and the fixing component; it limits the maximum stroke of the fixing component away from the mounting base; the elastic component is located between the mounting base and the fixing component and is in a compressed state, ensuring that the fixing component is always at its maximum stroke position away from the mounting base; the connecting part is mounted on the mounting base, and its mounting depth on the mounting base is adjustable, allowing for adjustable assembly spacing between the fixing component and the mounting base, thus enabling the back clip to adapt to infusion rods of different diameters. This utility model has a simple and reasonable structure and is highly practical. Attached Figure Description

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0027] Figure 1 This is a schematic diagram of the back clip for an infusion monitor as described in this embodiment;

[0028] Figure 2 This is a schematic diagram of the back clip for an infusion monitor as described in this embodiment, viewed from an elevation angle.

[0029] Figure 3 This is a top view of the back clip for an infusion monitor as described in this embodiment;

[0030] Figure 4 This is a schematic diagram of the back clip of an infusion monitor as described in this embodiment, mounted on the infusion rod.

[0031] The components include: 1. mounting base, 2. fastener, 3. connecting rod, 4. infusion rod, 5. spring, 6. hook, 7. internal threaded hole, 8. arc-shaped mating surface, 9. wing plate, 10. Torx handle screw, 11. external threaded rod, 12. insertion hole, 13. insertion rod, and 14. countersunk hole. Detailed Implementation

[0032] The present invention will be further described in detail below with reference to specific embodiments:

[0033] In the description of the utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0034] like Figures 1-4 As shown, a back clip for an infusion monitor is used to secure the infusion monitor to an infusion rod 4. The fixed position of the infusion monitor on the infusion rod 4 can be adjusted up and down by the back clip. The back clip for an infusion monitor includes a mounting base 1, a fixing member 2, a connecting limiting member, and an elastic member. In this embodiment, both the fixing member 2 and the mounting base 1 are left-right symmetrical structures. The left-right symmetrical structure is not only aesthetically pleasing but also more stable.

[0035] A connecting limiting component connects the mounting base 1 and the fixing component 2. The connecting limiting component includes a connecting limiting component body, connecting parts located at both ends of the connecting limiting component body, and limiting parts. The limiting parts limit the maximum stroke of the fixing component 2 away from the mounting base 1. The connecting parts are installed on the mounting base 1, and the installation depth on the mounting base 1 is adjustable, so that the assembly distance between the fixing component 2 and the mounting base 1 is adjustable, so that the back clamp can adapt to infusion rods 4 of different diameters. The fixing component 2 has a through hole. In other embodiments, the through hole can be a straight hole of equal diameter. In this case, the connecting limiting component body passes through the through hole and slides with the through hole, that is, the fixing component 2 can slide back and forth on the limiting component body along the axial direction of the limiting component body. The number of through holes and connecting limiting components are both two. In this embodiment, as shown in the figure, Figure 1 , Figure 2As shown, the through hole is a countersunk hole 14, which includes a first hole and a second hole with a diameter larger than that of the first hole. When it is a countersunk hole 14, the connecting limiting member body passes through the first hole and slides in cooperation with it, while the limiting boss is accommodated in the second hole. The connecting limiting member body is a connecting rod 3 extending axially, with a smooth outer wall and a threaded screw (not shown in the figure) as the connecting part. The limiting part is a cylindrical limiting boss (not shown in the figure) with a diameter larger than that of the through hole, forming an axial stop. This ensures that when the elastic member applies a thrust to the fixing member 2, the fixing member 2 is limited and always located at the maximum stroke distance from the mounting base 1. The screw and the limiting boss are located at opposite ends of the connecting rod 3 along the axial direction and are coaxially arranged. The diameter of the screw is smaller than that of the through hole to ensure that the screw can pass through the through hole. In this embodiment, the connecting limiting member is a screw with the aforementioned screw, connecting rod 3, and limiting boss structure.

[0036] The mounting base 1 is provided with a device connection part for detachably mounting an infusion monitor. The device connection part is a hook 6 located on the front of the mounting base, such as... Figure 2 , Figure 3 As shown, the hooks 6 are L-shaped and there are two of them, symmetrically arranged on the left and right sides. Of course, the number of hooks 6 is not specifically limited; it can be three or more. The infusion monitor has multiple corresponding holes or slots that mate with the hooks 6. The infusion monitor can be attached to the back clip or removed from it. Figure 1 As shown, the mounting base 1 has an internally threaded hole 7. The screw is threaded into the internally threaded hole 7, and the installation depth of the screw on the mounting base 1 is adjustable by adjusting the thread engagement depth. The back of the mounting base 1 has an arc-shaped contact surface 8 with a radius matching the outer diameter of the infusion rod 4. The radius of the arc-shaped contact surface 8 matches the outer diameter of the infusion rod 4, ensuring that the mounting base 1 and the infusion rod 4 fit tightly together, reducing the risk of displacement due to shaking or external force, and improving the overall stability of the back clamp. The front sides of the mounting base 1 have protective wing plates 9 that match the infusion monitor. The protective wing plates 9 match the sides of the infusion monitor to form a wrap-around structure, limiting the lateral movement range of the infusion monitor and preventing the monitor from shifting or falling off due to collision or vibration during installation or use.

[0037] The fixing member 2 is provided with a stop member that can abut against the infusion rod 4. The stop member can move forward or backward on the fixing member 2 in a direction away from or towards the mounting base 1. The stop member is a knob-type screw. In this embodiment, the knob-type screw is a Torx handle screw 10, which has a Torx operating end and an external thread rod 11. An internal threaded through hole is opened in the middle of the fixing member 2, and the Torx handle screw 10 is screwed into the internal threaded through hole. The two through holes are located on both sides of the internal threaded through hole. The axial direction of the external thread rod 11 is parallel to the direction of the fixing member 2 away from or towards the mounting base 1.

[0038] The mounting base 1 is provided with a first guide structure, and the fixing member 2 is provided with a second guide structure that slides with the first guide structure. The first and second guide structures guide the fixing member 2 away from or towards the mounting base 1. The first guide structure is an insertion hole 12 on the mounting base 1, and the second guide structure is a plug rod 13 that is inserted into the insertion hole 12. The axis of the plug rod 13 is parallel to the direction in which the fixing member 2 moves away from or towards the mounting base 1. There are four insertion holes 12 and four plug rods 13; the four plug rods 13 are located at the four corners of the fixing member 2. The direct insertion and removal design of the plug rods 13 and insertion holes 12 simplifies the installation and disassembly process of the fixing member 2. The axis of the plug rod 13 is consistent with the moving direction of the fixing member 2, ensuring that the fixing member 2 moves linearly along a preset trajectory, avoiding deviation or jamming, and improving assembly accuracy. Of course, in another embodiment, multiple plug rods 13 can be provided on the mounting base 1, and multiple insertion holes 12 can be provided on the fixing member 2 accordingly.

[0039] The elastic element is located between the mounting base 1 and the fixing element 2 and is in a compressed state, ensuring that the fixing element 2 is always at its maximum stroke position away from the mounting base 1. In this embodiment, the elastic element is a spring 5, which is directly sleeved on the connecting rod 3. In another embodiment, the spring 5 may not be sleeved on the connecting rod 3; instead, spring mounting grooves can be provided on the fixing element 2 and the mounting base 1, and the spring 5 can be placed in the spring mounting grooves. Of course, in this embodiment, the spring 5 is directly sleeved on the connecting rod 3, which is the simplest installation method. It uses the axial direction of the connecting rod 3 as a natural guide reference, eliminating the need for a separate spring mounting groove, reducing the complexity of the structure, and making installation convenient and significantly improving installation efficiency.

[0040] The installation method of the back clip for an infusion monitor in this utility model is as follows: Place the back clip at a suitable height on the infusion rod 4, and make the arc-shaped contact surface 8 fit against the infusion rod 4; Take a screw, and insert the screw and connecting rod 3 into the countersunk hole 14 of the fixing part 2 in sequence, then put the spring 5 into the connecting rod 3, and then screw the screw into the internal thread hole 7 of the mounting base 1. At this time, one end of the spring 5 abuts against the fixing part 2 and the other end abuts against the mounting base 1, and is in a compressed state. The fixing part 2 is located at the farthest travel point away from the mounting base 1; Install the other screw in the same way; Tighten the Torx handle screw 10 that is threaded with the fixing part 2. The Torx handle screw 10 moves towards the infusion rod 4 until the head of the external thread rod 11 of the Torx handle screw 10 abuts against the infusion rod 4, completing the installation of the back clip on the infusion rod 4. Finally, install the infusion monitor on the mounting base 1.

[0041] When adjusting the position of the back clip on the infusion rod 4, unscrew the Torx handle screw 10 away from the infusion rod 4. The back clip will then loosen from the infusion rod 4. Move the back clip to the target height, and then tighten the Torx handle screw 10. If the infusion rod 4 is too thin, even if the Torx handle screw 10 is fully tightened, it may not reach the infusion rod 4. In this case, the screw can be further screwed into the internal thread hole 7 to increase the screw depth in the internal thread hole 7. This reduces the assembly distance between the fixing part 2 and the mounting base 1 (the spring 5 remains compressed during this process). Then tighten the Torx handle screw 10. This allows the back clip to be matched with infusion rods 4 of different diameters.

[0042] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and therefore, all changes falling within the meaning and scope of the equivalents of the claims are intended to be included within this utility model.

Claims

1. A back clip for an infusion monitor, used to secure the infusion monitor to an infusion pole, wherein the fixed position of the infusion monitor on the infusion pole is adjustable up and down via the back clip, characterized in that, include: The mounting base is equipped with a device joint for detachable installation of the infusion monitor; The fixing component is provided with a pusher that can push against the infusion rod. The pusher can move forward or backward on the fixing component in a direction away from or towards the mounting base. A connecting limiting component connects a mounting base and a fixing component. The connecting limiting component includes a connecting limiting component body, connecting portions at both ends of the connecting limiting component body, and limiting portions. The limiting portions limit the maximum travel of the fixing component away from the mounting base. The connecting portions are mounted on the mounting base, and the mounting depth on the mounting base is adjustable. The fixing component has a through hole, and the connecting limiting component body passes through the through hole and slides with the through hole. An elastic element is located between the mounting base and the fixing element and is in a compressed state, so that the fixing element is always at its maximum stroke position away from the mounting base.

2. The back clip for an infusion monitor according to claim 1, characterized in that: The connecting limiting component body is a connecting rod extending along the axial direction, and the connecting part is a screw with external threads; the limiting part is a cylindrical limiting boss with a diameter larger than the diameter of the through hole to form an axial stop; the screw and the limiting boss are respectively located at both ends of the connecting rod along the axial direction, and the three are coaxially arranged; the diameter of the screw is smaller than the diameter of the through hole. The mounting base has an internal threaded hole, and the connecting part is installed in the internal threaded hole by thread. The installation depth of the connecting part on the mounting base can be adjusted by the thread engagement depth. The elastic element is sleeved on the body of the connecting and limiting element.

3. The back clip for an infusion monitor according to claim 1, characterized in that: A first guide structure is provided on the mounting base; The fastener is provided with a second guide structure that slides in conjunction with the first guide structure. The first guide structure and the second guide structure guide the fastener away from or towards the mounting base.

4. The back clip for an infusion monitor according to claim 3, characterized in that: The first guide structure is an insertion hole formed on the mounting base, and the second guide structure is a plug rod that is inserted into the insertion hole. The axis of the plug rod is parallel to the direction of the fixing member away from or close to the mounting base.

5. The back clip for an infusion monitor according to claim 4, characterized in that: The abutment is a knob-type screw with a plum blossom operating end and an external threaded rod; the fixing part has an internal threaded through hole in the middle, and the knob-type screw is screwed into the internal threaded through hole; the axial direction of the external threaded rod is parallel to the direction of the fixing part away from or close to the mounting base.

6. The back clip for an infusion monitor according to claim 5, characterized in that: The device connection part is a hook located on the front of the mounting base.

7. The back clip for an infusion monitor according to claim 1, characterized in that: The back of the mounting base has an arc-shaped fitting surface with a radius matching the outer diameter of the infusion rod.

8. The back clip for an infusion monitor according to claim 1, characterized in that: The front sides of the mounting base are provided with protective wing plates that match the infusion monitor.

9. A back clip for an infusion monitor according to claim 6, characterized in that: The number of insertion holes is four, and the number of insertion rods is four; the four insertion rods are located at the four corners of the fixing member; The hooks are L-shaped in shape and there are two of them; There are two through holes and two connecting limiting components, with the two through holes located on either side of the internal thread through hole.

10. A back clip for an infusion monitor according to claim 1, characterized in that: Both the fastener and the mounting base have a left-right symmetrical structure.