Transfusion three-way pipe fixer

By designing an infusion three-way stopcock fixator, the problems of drug reaction and slippage caused by series connection of infusion three-way stopcocks were solved, realizing the stability and transparent monitoring of the tubing and improving the quality of clinical nursing.

CN223490261UActive Publication Date: 2025-10-31ZHONGSHAN HOSPITAL FUDAN UNIV
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Patent Information

Application Number
CN202422208455.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-10-31
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

In the clinical rescue of critically ill patients, excessive use of three-way stopcocks in series can lead to problems such as drug reactions, infusion rate deviations, tubing twisting, and slippage, affecting treatment outcomes and nursing care.

Method used

Design an infusion three-way tube fixator, including a transparent body and a fixing component. The three-way valve and pipeline are limited by the compartment and through hole to ensure stability and unobstructed flow. The transparent design allows for quick identification of liquid leakage and provides operating space.

Benefits of technology

This ensured the independence, stability, and patency of the infusion tubing, enabled timely detection of fluid leakage, and improved the quality of clinical nursing and treatment outcomes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a transfusion three-way pipe fixer, which comprises a transparent main body, at least one compartment is arranged in the main body, the compartments are sequentially arranged at intervals along the length direction of the main body, through holes communicated with the inside and the outside are arranged on the compartments, the through holes comprise a transfusion through hole and a liquid supplementing through hole, and the transfusion through hole is communicated with the liquid supplementing through hole. The liquid conveying through holes are formed in the two sides, in the length direction of the body, of the compartments, the adjacent compartments are communicated through the liquid conveying through holes, and the liquid supplementing through holes are formed in the tops of the compartments. According to the infusion three-way pipe fixator, the height of the inlet side on the fixing piece is limited, the situation that the inlet side on the fixing piece is too high, and a three-way valve and a connected pipeline enter and exit from the compartment through the placement opening is affected is avoided, and sufficient operation space is reserved between the limiting side and the installation opening; therefore, a person can insert the hand into the compartment through the placement opening to operate the three-way valve on the fixing piece.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an infusion three-way tube fixator. Background Technology

[0002] In clinical practice, when rescuing critically ill patients, it is necessary to use a variety of medications that require precise infusion dosages, such as those for improving cardiac function, controlling blood pressure, sedation and analgesia, and antiepileptic drugs. In special disease states, multiple fluid resuscitation routes need to be used simultaneously and rapidly to administer large amounts of therapeutic drugs. At this time, it is necessary to have a three-way infusion line that can be connected in series by rotating and tightening to form a complete infusion route, ensuring continuous intravenous drip of fluid on the main route, while maintaining a side route that can be connected to a sufficiently long plastic extension tube to connect to a micro-infusion pump containing different drugs, so as to accurately control the infusion dosage of these important drugs and adjust the treatment plan in a timely manner.

[0003] In actual clinical practice, there are no absolutely strict requirements on the number of infusion three-way stopcocks connected in series. When too many infusion three-way stopcocks are connected in series, physical reactions may occur when medications from different micro-infusion pumps enter the main pipeline from the corresponding side routes, such as the formation of flocculent material. At the same time, the infusion rate may be deviated due to the excessive length of the infusion three-way stopcocks connected in series. In addition, due to the plastic material of the infusion strips, extension tubes and infusion three-way stopcocks used in clinical practice, any part of the pipeline may twist or bend if the infusion three-way stopcocks are connected in series. Especially when the patient has high requirements for body position, although constant speed infusion pumps and micro-infusion pumps are equipped with alarm devices to indicate that the fluid in the pipeline is blocked, it is impossible to continuously change the hidden dangers of the physical materials of these consumables. Moreover, the excessive length of the infusion three-way stopcocks connected in series is not conducive to nursing work. In the case of frequent changes in body position of critically ill patients to prevent bedsores, these infusion three-way stopcocks and the central venous veins they are connected to are also prone to slippage and other accidents, resulting in unpredictable adverse clinical events.

[0004] Therefore, in order to solve the above problems, this utility model proposes an infusion tee fixator that can fix the tee tube and detect leakage problems in a timely manner. Utility Model Content

[0005] To address the problems existing in the use of the aforementioned series three-way tubes, this utility model provides an infusion three-way tube fixator.

[0006] According to one objective of this utility model, this utility model provides an infusion three-way tube fixator, comprising:

[0007] The main body is transparent and has at least one compartment inside. The compartments are arranged at intervals along the length of the main body. Each compartment has a through hole connecting the inside and outside. The through hole includes an infusion through hole and a replenishment through hole. The infusion through hole is located on both sides of the compartment along the length of the main body. Adjacent compartments are connected through the infusion through hole. The replenishment through hole is located on the top of the compartment. The front of the main body has an openable and closable placement opening.

[0008] A fixing component is provided in the compartment. The upper end of the fixing component has a slot, which corresponds to the infusion through hole. The side of the slot near the placement opening is the entry side, which is not higher than the placement opening. The side of the slot away from the placement opening is the limiting side, which is not lower than the placement opening.

[0009] Preferably, there are multiple fasteners in each compartment, and the fasteners are arranged sequentially at intervals along the length of the main body, with the liquid replenishment through hole located between adjacent fasteners.

[0010] Preferably, the fastener is configured to be movable along the length of the body.

[0011] Preferably, the bottom of the compartment is provided with a sliding groove along the length of the main body, the bottom of the fixing member is in contact with the bottom of the compartment, the bottom of the fixing member is provided with a movable groove along the vertical direction, a slider is slidably installed in the movable groove, an elastic member is connected between the slider and the fixing member, and the slider and the sliding groove are slidably connected.

[0012] Preferably, the infusion three-way stopcock further includes:

[0013] An elastic transition member is provided, which is cylindrical in shape. The outer side of the infusion through-hole and the outer side of the replenishment through-hole are respectively connected to one of the elastic transition members, and the elastic transition members extend toward the outer side of the main body.

[0014] Preferably, the elastic transition member corresponding to the infusion through-hole has its axis coincide with the axis of the infusion through-hole, and its inner diameter is not greater than the inner diameter of the infusion through-hole. Similarly, the elastic transition member corresponding to the replenishment through-hole has its axis coincide with the axis of the replenishment through-hole, and its inner diameter is not greater than the inner diameter of the replenishment through-hole.

[0015] Preferably, the radial dimension of the elastic transition member gradually increases as it approaches the body.

[0016] Preferably, the infusion tee retainer further includes:

[0017] A backstop, wherein the backstop is an elastic backstop, the first end of the backstop is connected to the inner wall of the through hole or the inner wall of the transition piece, and the second end of the backstop extends toward the inner side of the through hole and is inclined close to the inner side of the main body.

[0018] Preferably, the infusion tee retainer further includes:

[0019] A marker is provided on the back of the main body, and the marker corresponds one-to-one with the compartment. The marker is lower than the infusion through hole.

[0020] Preferably, the main body of the infusion three-way tube fixation device includes a plurality of assemblies arranged sequentially along the length direction, each of the assemblies having a compartment, and adjacent assemblies being detachably connected.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] This infusion three-way tubing fixer allows for the placement of three-way valves and corresponding tubing that need to be used in series into different compartments through installation openings. The infusion tubing connected to the three-way valves passes through infusion through-holes, and the replenishment tubing connected to the three-way valves passes through replenishment through-holes. The fixing components in the compartments limit the movement of each three-way valve and corresponding tubing to prevent tubing from bending. This fixer ensures that multiple infusion tubing and three-way valves used in series have a certain degree of independence, stability, and unobstructed flow.

[0023] This infusion tee fixation device, by making the main body transparent, can quickly identify from the outside whether there is excess liquid in the corresponding compartment, and thus determine whether there is a quality problem with the infusion tee, such as the infusion tee cracking and causing liquid leakage, or human error in not tightening the corresponding tee interface, etc.

[0024] This infusion three-way tubing fixator limits the height of the entry side of the fixation component to prevent the entry side from being too high and affecting the three-way valve and connected pipeline from entering and exiting the compartment through the installation opening. Sufficient operating space is reserved between the limiting side and the installation opening so that personnel can insert their hands through the installation opening into the compartment to operate the three-way valve on the fixation component.

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0026] Figure 1 This is a cross-sectional view of one perspective of the infusion three-way tube fixation device described in this utility model;

[0027] Figure 2 This is a cross-sectional view of another perspective of the infusion three-way tube fixation device described in this utility model;

[0028] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0029] Figure 4 This is a schematic diagram of the overall structure of the infusion three-way tube fixation device described in this utility model.

[0030] In the diagram: 100, main body; 101, compartment; 1011, chute; 102, infusion through-hole; 103, replenishment through-hole; 104, installation opening; 105, assembly; 200, fixing component; 201, slot; 2011, entry side; 2012, limiting side; 202, movable groove; 203, slider; 204, elastic component; 300, elastic transition component; 400, anti-reverse component; 500, marking component. Detailed Implementation

[0031] The following description is intended to provide a detailed account of the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0032] Please see Figure 1 , 2 4. This utility model provides a technical solution: an infusion three-way tube fixator, comprising:

[0033] The main body 100 is transparent. At least one compartment 101 is provided inside the main body 100. The compartments 101 are arranged at intervals along the length of the main body 100. Each compartment 101 has a through hole connecting the inside and outside. The through hole includes an infusion through hole 102 and a replenishment through hole 103. The infusion through hole 102 is provided on both sides of the compartment 101 along the length of the main body 100. Adjacent compartments 101 are connected through the infusion through hole 102. The replenishment through hole 103 is provided on the top of the compartment 101. The front of the main body 100 has an openable and closable placement opening 104.

[0034] A fixing member 200 is disposed within the compartment 101. The upper end of the fixing member 200 has a slot 201 corresponding to the infusion through-hole 102. The side of the slot 201 closest to the placement opening 104 is the entry side 2011, which is not higher than the bottom of the placement opening 104. Preferably, the top of the entry side 2011 is flush with the bottom of the placement opening 104. In one embodiment of this utility model, the main body 100 is a rectangular body 100 made of transparent plastic material. The through-hole is a circular through-hole for the passage of the replenishment pipeline, the extension tube connecting the micro-pump and the infusion tee. A placement door is connected to the front of the main body 100 via a hinge, through which the placement opening 104 is opened and closed.

[0035] By placing the three-way valves and corresponding pipelines that need to be used in series into different compartments 101 through the placement opening 104, the infusion pipeline connected to the three-way valve passes through the infusion through hole 102, and the replenishment pipeline connected to the three-way valve passes through the replenishment through hole 103. The fixing member 200 in the compartment 101 limits each three-way valve and corresponding pipeline to prevent the pipeline from bending. The fixing device ensures that multiple infusion pipelines and three-way valves used in series have a certain degree of independence, stability and unobstructed flow.

[0036] By designing the main body 100 to be transparent, it is possible to quickly identify from the outside whether there is excess liquid in the corresponding compartment 101, thereby determining whether there is a quality problem with the infusion tee tube, such as liquid leakage due to cracking of the infusion tee tube, or human error in not tightening the corresponding tee interface, etc.

[0037] By limiting the height of the entry side 2011 on the fastener 200, it is prevented that the entry side 2011 on the fastener 200 is too high, which would affect the three-way valve and the connected pipeline from entering and exiting the compartment 101 through the installation opening 104. At the same time, it is convenient for personnel to insert their hands through the installation opening 104 into the compartment 101 to operate the three-way valve.

[0038] See Figure 2 Furthermore, the side of the slot 201 facing away from the mounting opening 104 is a limiting side 2012, and the limiting side 2012 is not lower than the top of the mounting opening 104. By limiting the height of the limiting side 2012, it is ensured that when the tee pipe is placed in the slot 201, the limiting side 2012 can cooperate with the entry side 2011 to constrain the tee pipe. Even further, the inner wall of the slot 201 is arc-shaped to ensure that the inner wall of the slot 201 can fit snugly against the outer wall of the pipe.

[0039] Furthermore, the fixing member 200 is installed at the bottom of the compartment 101. In the axial direction of the mounting opening, the distance between the limiting side 2012 and the mounting opening 104 is approximately the same as the length of the compartment 101. This ensures sufficient operating space is provided between the limiting side 2012 and the mounting opening for adjusting the three-way valve on the fixing member 200. Preferably, in the axial direction of the mounting opening, the distance between the limiting side 2012 and the mounting opening 104 is no greater than one-tenth of the length of the compartment 101.

[0040] See Figure 1 Furthermore, each compartment 101 contains multiple fixing members 200, which are arranged sequentially at intervals along the length of the main body 100, with the replenishment through-hole 103 located between adjacent fixing members 200. Further, the bottom of the slot 201 is flush with the bottom of the infusion through-hole 102. Preferably, there are two fixing members 200, with one fixing member 200 on each side of the replenishment through-hole 103 along the length of the main body 100. By limiting the number of fixing members 200, when the three-way valve is placed in the compartment 101, the fixing members 200 can support both sides of the three-way valve, ensuring that the three-way valve can be stably installed in the compartment 101.

[0041] See Figure 1 and 2Furthermore, the fixing member 200 is configured to be movable along the length direction of the main body 100. Specifically, a sliding groove 1011 is formed at the bottom of the compartment 101 along the length direction of the main body 100. In the width direction of the main body 100, the size of the sliding groove 1011 is smaller than the size of the fixing member 200. A movable groove 202 is formed at the bottom of the fixing member 200 in the vertical direction. A slider 203 is slidably installed in the movable groove 202. An elastic member 204 is connected between the slider 203 and the fixing member 200. The slider 203 and the sliding groove 1011 are slidably connected. The bottom of the fixing member 200 is in contact with the bottom of the compartment 101. Optionally, the elastic element 204 is a spring. In use, when the fixing element 200 is pulled upward, the fixing element 200 slides on the slider 203 in conjunction with the movable groove 202, and the bottom of the fixing element 200 separates from the bottom of the compartment 101. Further pulling the fixing element 200 along the length of the main body 100 causes the fixing element 200 to slide in the slide groove 1011 via the slider 203, adjusting the fixing element 200 to a suitable position. When the fixing element 200 is released, under its own weight and the action of the elastic element 204, the fixing element 200 slides back to its original position on the slider 203 in conjunction with the movable groove 202, and the bottom of the fixing element 200 fits against the bottom of the compartment 101, thus fixing the position of the fixing element 200 along the length of the main body 100. By adjusting the position of the fixing element 200, the support of the tee in different scenarios can be met.

[0042] See Figure 1 and 3 Furthermore, the fixation device also includes:

[0043] An elastic transition member 300 is provided, which is cylindrical in shape. One elastic transition member 300 is connected to the outer side of the infusion through-hole 102 and the outer side of the replenishment through-hole 103, respectively. The elastic transition member 300 extends outward toward the main body 100. By adding the elastic transition member 300, the tubing passing through the infusion through-hole 102 and the replenishment through-hole 103 can further pass through the elastic transition member 300. The elastic transition member 300 supports the tubing at the connection point with the main body 100, thereby preventing the tubing from directly contacting the main body 100 at the connection point and thus preventing the tubing from bending at the connection point under external force.

[0044] Furthermore, the elastic transition member 300 corresponding to the infusion through-hole 102 has its axis coincident with the axis of the infusion through-hole 102, and its inner diameter is not greater than the inner diameter of the infusion through-hole 102. Similarly, the elastic transition member 300 corresponding to the replenishment through-hole 103 has its axis coincident with the axis of the replenishment through-hole 103, and its inner diameter is not greater than the inner diameter of the replenishment through-hole 103. This ensures that the tubing passing through the infusion through-hole 102 and the replenishment through-hole 103 to the main body 100 does not contact the main body 100 at all.

[0045] Furthermore, the radial dimension of the elastic transition member 300 gradually increases as it approaches the main body 100, thereby improving the stability of the elastic transition member 300 in supporting the pipeline.

[0046] See Figure 3 Furthermore, the fixation device also includes:

[0047] A check valve 400 is included, which is an elastic check valve. The first end of the check valve 400 is connected to the inner wall of the through hole or the inner wall of the transition piece. The second end of the check valve 400 extends towards the inner side of the through hole and is inclined close to the inner side of the main body 100. By adding the check valve 400, when the pipeline passes through the through hole to the outside of the main body 100, the second end of the check valve 400 is in contact with the outer wall of the pipeline. When the pipeline is subjected to a pulling force towards the outside of the main body 100, the inclined check valve 400 can provide a reverse resistance to the pipeline, preventing the pipeline from moving outwards and causing the pipeline and the three-way valve to separate.

[0048] See Figure 2 Furthermore, the fixation device also includes:

[0049] A marker 500 is disposed on the back of the main body 100, and the marker 500 corresponds one-to-one with the compartment 101. The name of the drug passing through the infusion three-way stopcock can be written on the marker with a non-friable marker.

[0050] Furthermore, the marker 500 is positioned below the infusion port 102 to prevent it from obstructing the three-way valve and connecting tubing located between the connected infusion ports 102. During use, the marker 500 allows for timely feedback and adjustment of the administered medication, ensuring timely and accurate delivery of the medication to the patient through the corresponding tubing.

[0051] The main body 100 includes a plurality of assemblies 105 arranged sequentially along its length. Each assembly 105 contains a compartment 101, and adjacent assemblies 105 are detachably connected. Optionally, adjacent assemblies 105 are detachably connected via snap-fit ​​mechanisms. By dividing the main body 100 into multiple detachable assemblies 105, the number of assemblies 105 can be flexibly adjusted according to the number of associated three-way valves during use. Preferably, the assemblies 105 and the check valve 400 are detachably connected.

[0052] How to use:

[0053] Open the installation opening 104, place the three-way valve and fixing piece 200 in the compartment 101, insert the infusion line into the compartment 101 through the infusion through hole 102, insert the replenishment line into the compartment 101 through the replenishment through hole 103, connect the infusion line and the replenishment line to the three-way valve, wherein the infusion line is connected to an infusion pump, and screw the three-way valve to the opening that needs to be opened to allow the flow of the medicine in the line;

[0054] Record the name of the rehydration medication in each compartment 101 on the marker 500;

[0055] During the infusion process, observe in real time whether there is excess liquid in each compartment 101 to determine whether there are quality problems with the pipeline or human error.

[0056] In summary, by placing the three-way valves and corresponding pipelines that need to be used in series into different compartments 101 through the placement opening 104, the infusion pipeline connected to the three-way valve passes through the infusion through hole 102, and the replenishment pipeline connected to the three-way valve passes through the replenishment through hole 103. The fixing member 200 in the compartment 101 limits each three-way valve and corresponding pipeline to prevent pipeline bending. This fixing device ensures that multiple infusion pipelines and three-way valves used in series have a certain degree of independence, stability and unobstructed flow.

[0057] By designing the main body 100 to be transparent, it is possible to quickly identify from the outside whether there is excess liquid in the corresponding compartment 101, thereby determining whether there is a quality problem with the infusion tee tube, such as liquid leakage due to cracking of the infusion tee tube, or human error in not tightening the corresponding tee interface, etc.

[0058] By limiting the height of the entry side 2011 on the fastener 200, it is prevented that the entry side 2011 on the fastener 200 is too high, which would affect the three-way valve and the connected pipeline from entering and exiting the compartment 101 through the installation opening 104. Sufficient operating space is reserved between the limiting side 2012 and the installation opening, so that personnel can insert their hands through the installation opening 104 into the compartment 101 to operate the three-way valve on the fastener 200.

[0059] The above-mentioned infusion three-way stopcock fixation device ensures that the three-way stopcock maintains good stability and patency within a certain length, avoiding the accumulation of drugs in the tubing due to bending of the soft plastic extension tube and infusion line, which would affect the patient's treatment efficacy and improve the quality of clinical nursing care.

[0060] The embodiments described above are only used to illustrate the technical ideas and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. The scope of patent application of this utility model should not be limited by these embodiments. That is, any equivalent changes or modifications made in accordance with the spirit disclosed in this utility model still fall within the patent scope of this utility model.

Claims

1. A three-way infusion tube fixator, characterized in that, include: The main body (100) is transparent. At least one compartment (101) is provided inside the main body (100). The compartments (101) are arranged sequentially at intervals along the length direction of the main body (100). The compartments (101) are provided with through holes that connect the inside and outside. The through holes include infusion through holes (102) and replenishment through holes (103). The infusion through holes (102) are provided on both sides of the compartments (101) along the length direction of the main body (100). Adjacent compartments (101) are connected through the infusion through holes (102). The replenishment through holes (103) are provided on the top of the compartments (101). The front of the main body (100) is provided with an openable and closable placement opening (104). A fixing member (200) is disposed in the compartment (101). The upper end of the fixing member (200) is provided with a slot (201). The slot (201) corresponds to the infusion through hole (102). The side of the slot (201) near the placement opening (104) is the entry side (2011). The entry side (2011) is not higher than the bottom of the placement opening (104). The side of the slot (201) away from the placement opening (104) is the limiting side (2012). The limiting side (2012) is not lower than the top of the placement opening (104).

2. The infusion three-way tube fixator according to claim 1, characterized in that, The number of fasteners (200) in each compartment (101) is multiple. The fasteners (200) are arranged sequentially at intervals along the length of the main body (100), and the liquid replenishment through hole (103) is located between adjacent fasteners (200).

3. The infusion three-way tube fixator according to claim 2, characterized in that, The fastener (200) is configured to be movable along the length of the body (100).

4. The infusion three-way tube fixator according to claim 3, characterized in that, The bottom of the compartment (101) is provided with a sliding groove (1011) along the length direction of the main body (100). The bottom of the fixing member (200) is in contact with the bottom of the compartment (101). The bottom of the fixing member (200) is provided with a movable groove (202) along the vertical direction. A slider (203) is slidably installed in the movable groove (202). An elastic member (204) is connected between the slider (203) and the fixing member (200). The slider (203) and the sliding groove (1011) are slidably connected.

5. The infusion three-way tube fixator according to claim 1, characterized in that, Also includes: An elastic transition member (300) is cylindrical. The outer side of the infusion through-hole (102) and the outer side of the replenishment through-hole (103) are respectively connected to an elastic transition member (300), and the elastic transition member (300) extends toward the outer side of the main body (100).

6. The infusion three-way tube fixator according to claim 5, characterized in that, The elastic transition member (300) corresponding to the infusion through hole (102) has its axis coincident with the axis of the infusion through hole (102), and its inner diameter is not greater than the inner diameter of the infusion through hole (102). The elastic transition member (300) corresponding to the replenishment through hole (103) has its axis coincident with the axis of the replenishment through hole (103), and its inner diameter is not greater than the inner diameter of the replenishment through hole (103).

7. The infusion three-way tube fixator according to claim 5, characterized in that, The radial dimension of the elastic transition member (300) gradually increases as it approaches the body (100).

8. The infusion three-way tube fixator according to claim 5, characterized in that, Also includes: A backstop (400) is an elastic backstop (400). The first end of the backstop (400) is connected to the inner wall of the through hole or the inner wall of the transition member, and the second end of the backstop (400) extends toward the inner side of the through hole and is inclined close to the inner side of the body (100).

9. The infusion three-way tube fixator according to claim 1, characterized in that, Also includes: A marker (500) is disposed on the back of the main body (100), and the marker (500) corresponds one-to-one with the compartment (101). The marker (500) is lower than the infusion through hole (102).

10. A three-way infusion tube fixator according to claim 1, characterized in that, The main body (100) includes a plurality of assemblies (105) arranged sequentially along the length direction. Each assembly (105) has a compartment (101) and adjacent assemblies (105) are detachably connected.