Dialysis tubing securement device

Abstract

The utility model discloses a kind of dialysis pipeline fixing devices, it is related to medical instrument technical field.Dialysis pipeline fixing device, including box body, box cover, limiting component, clamping component.The first recess is opened in box body;The side of box cover is hinged with the side of box body, and the second recess is equipped on box cover;The box cover flip cover is equipped on the box body, and first recess and second recess are connected with each other to form installation channel;Limiting component is arranged on box body, and limiting component is used to limit the relative position of box cover when being covered on box body with box body;Clamping component is installed on box body;Dialysis pipeline fixing device provided by the utility model is connected by using limiting component to make box body and box cover cooperate, finally fixed in patient's clothes or bed sheet by using clamping component, when providing support for dialysis pipeline, it is more stable and reliable, while avoiding to cause misclip or lead to pipeline occlusion to dialysis pipeline, ensure the reliability of patient's hemodialysis treatment.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a dialysis tubing fixing device. Background Technology

[0002] Hemodialysis plays a vital role in clinical practice as a commonly used and effective treatment for acute and chronic renal failure. However, a significant problem in current hemodialysis practice is the lack of dedicated fixation devices for hemodialysis tubing. This situation makes tubing fixation during dialysis a challenge.

[0003] When faced with this problem, most dialysis centers often resort to relatively rudimentary methods of securing the tubing. For example, they might use hemostatic forceps to simply fix the tubing to blankets, clothing, or sheets, or use tourniquets to secure it to the bed rails. While these unprofessional methods may provide some degree of fixation, they often come with numerous drawbacks. Ineffective fixation is a common problem, as the tubing can easily shift due to unstable securing. Furthermore, hemostatic forceps or tourniquets may accidentally clamp or block the tubing, which not only disrupts dialysis but can also cause unnecessary pain and risks to the patient.

[0004] More seriously, hemodialysis typically requires patients to undergo long treatments, three times a week, each lasting four hours. During this process, the blood tubing is filled with blood and therefore has considerable weight. Furthermore, patients inevitably move around during dialysis, such as turning over or eating, which greatly increases the risk of tubing kinking, traction, and slippage. If the tubing slips, the patient immediately faces an emergency of massive bleeding, which not only interrupts dialysis treatment but can also seriously threaten the patient's life. Utility Model Content

[0005] In view of this, the purpose of this utility model is to overcome the shortcomings in related technologies, and this utility model provides a dialysis tubing fixing device.

[0006] This utility model provides the following technical solution:

[0007] A dialysis tubing fixing device includes a box body, a box cover, a limiting component, and a clamping component.

[0008] The box body has a first groove; one side of the box lid is hinged to one side of the box body, and the box lid has a second groove; the box lid flips onto the box body, and the first groove and the second groove mate to form an installation channel for the dialysis tubing to pass through; a limiting component is disposed on the box body, and the limiting component is used to limit the relative position of the box lid and the box body when the box lid is on the box body; a clamping component is mounted on the box body, and the box body can be clamped and fixed to the patient's clothes or bed sheet by the clamping component.

[0009] As a further improvement to the above technical solution, the limiting component includes a telescopic member, a fixed locking block, and a movable locking block. The telescopic member is inserted into the box body, and a first spring-loaded member is provided between the telescopic member and the box body. The movable locking block is disposed on the telescopic member, and the fixed locking block is disposed on the box lid. The fixed locking block has a first locking tooth on its side, and the movable locking block has a second locking tooth opposite to the first locking tooth. During the process of the box lid being flipped onto the box body, the second locking tooth will avoid the pressure of the first locking tooth, and then rebound under the action of the first spring-loaded member to limit the first locking tooth.

[0010] As a further improvement to the above technical solution, the end of the telescopic member that is away from the first spring-loaded member extends out of the box body.

[0011] As a further improvement to the above technical solution, a locking seat corresponding to the telescopic member is provided on the side wall of the box body, and a locking rod is provided on the locking seat. A step is provided on the end of the telescopic member away from the spring member. The locking rod can be extended and retracted relative to the locking seat and pass between the step and the box body to limit the extension and retraction of the telescopic member relative to the box body.

[0012] As a further improvement to the above technical solution, a second spring-loaded component is provided between the box body and the box lid. When the limiting component releases the relative position limitation between the box body and the box lid, the box lid can flip and move relative to the box body under the elastic force of the second spring-loaded component.

[0013] As a further improvement to the above technical solution, a damping structure is provided at the hinge joint between the box body and the box cover.

[0014] As a further improvement to the above technical solution, the clamping assembly includes a clamp body disposed on the box body, and the clamp body is used to clamp and fix it to the patient's clothes or bed sheet.

[0015] As a further improvement to the above technical solution, the clamping assembly further includes a clamping seat, which is disposed on the box body, and the clamping body is snapped onto the clamping seat.

[0016] As a further improvement to the above technical solution, the clamp and the box are respectively provided with rope seats, and the two rope seats are connected by a suspension rope.

[0017] As a further improvement to the above technical solution, connecting sleeves are provided at both ends of the installation channel. The connecting sleeves are symmetrically divided into two parts, which are located in the first groove and the second groove, respectively.

[0018] Compared with related technologies, the beneficial effects of this utility model are:

[0019] The dialysis tubing fixing device provided by this invention plays a crucial role in the process of patients undergoing hemodialysis treatment. When it is necessary to securely fix the dialysis tubing to a bed sheet or the patient's clothing, the user can first use the clamping components on the housing to firmly clamp the device to the bed sheet or the patient's clothing. This step ensures the stability of the device during subsequent use and prevents it from falling off due to slight movements of the patient.

[0020] Next, the user needs to lay the portion of the dialysis tubing that needs to be secured flat within the pre-set groove on the box. This is to prevent the tubing from twisting or folding during the securing process.

[0021] Then, the lid, hinged to the box body, comes into play. The user simply flips the lid relative to the box body until it is fully seated. At this point, the second groove on the lid perfectly mates with the first groove on the box body, together forming an installation channel. This channel fits precisely on the outside of the dialysis tubing, ensuring the stability of the tubing while avoiding unnecessary compression.

[0022] When the lid is fully closed on the dialysis tubing, the limiting components on the tubing come into play. These components restrict the relative position of the lid and the tubing, thus achieving rapid and secure positioning of the dialysis tubing. This design not only improves fixation efficiency but also ensures the safety and comfort of patients undergoing hemodialysis treatment.

[0023] It is worth mentioning that by passing the dialysis tubing through this carefully designed installation channel, this invention can avoid squeezing or accidentally clamping the tubing when clamping and fixing it, thus effectively preventing potential problems such as tubing blockage. This not only improves the reliability of hemodialysis treatment but also ensures the stability of the treatment process.

[0024] Furthermore, through the precise positioning of the box body and lid by the limiting components, and the tight fit between the clamping components and the bed sheet or patient clothing, this invention effectively prevents the dialysis tubing from detaching from the installation channel or the entire device from falling off the fixed point when the patient turns over in bed or gets out of bed. This design not only enhances the stability of the dialysis tubing during use but also provides patients with a safer and more comfortable treatment experience.

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the dialysis tubing fixing device from one perspective in one embodiment of the present invention;

[0028] Figure 2 This shows a schematic diagram of the dialysis tubing fixing device from another perspective in one embodiment of the present invention;

[0029] Figure 3 It shows Figure 2 Enlarged diagram of point A in the middle.

[0030] Explanation of key component symbols:

[0031] 100-Box body; 110-First groove; 120-Second spring-loaded component; 200-Box cover; 201-Installation channel; 202-Connecting sleeve; 210-Second groove; 300-Limiting component; 310-Telescopic component; 311-Step; 320-Fixing block; 321-First locking tooth; 330-Modible block; 331-Second locking tooth; 340-First spring-loaded component; 400-Clamping component; 410-Clamping body; 420-Clamping seat; 430-Rope seat; 431-Hanging rope; 510-Locking seat; 520-Locking rod. Detailed Implementation

[0032] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

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

[0034] Furthermore, 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0035] 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.

[0036] 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.

[0037] Combination Figures 1 to 3 As shown, an embodiment of this utility model provides a dialysis tubing fixing device, including a box body 100, a box cover 200, a limiting component 300, and a clamping component 400.

[0038] The box body 100 has a first groove 110; one side of the box cover 200 is hinged to one side of the box body 100, and the box cover 200 has a second groove 210; the box cover 200 flips over and covers the box body 100, and the first groove 110 and the second groove 210 mate to form an installation channel 201 for the passage of dialysis tubing; the limiting component 300 is disposed on the box body 100, and the limiting component 300 is used to limit the relative position of the box cover 200 and the box body 100 when the box cover is placed on the box body 100; the clamping component 400 is mounted on the box body 100, and the box body 100 can be clamped and fixed to the patient's clothes or bed sheet by the clamping component 400.

[0039] The dialysis tubing securing device provided in this embodiment allows the user to securely fasten the dialysis tubing to a bed sheet or the patient's clothing during hemodialysis treatment. First, the user can use the clamping assembly 400 on the housing 100 to firmly clamp the device to the bed sheet or the patient's clothing. This step ensures the stability of the device during subsequent use and prevents it from falling off due to slight movements of the patient.

[0040] Next, the user needs to place the portion of the dialysis tubing that needs to be secured into the pre-set first groove 110 on the housing 100. This is to prevent the tubing from twisting or folding during the securing process.

[0041] The user then flips and moves the lid 200 relative to the body 100 until it completely covers the body 100. At this point, the second groove 210 on the lid 200 and the first groove 110 on the body 100 fit perfectly together, forming an installation channel 201. This channel fits precisely on the outside of the dialysis tubing, ensuring the stability of the tubing while avoiding unnecessary compression.

[0042] When the lid 200 is fully closed on the body 100, the limiting component 300 on the body 100 can restrict the relative position of the lid 200 and the body 100, thereby achieving rapid positioning and fixation of the dialysis tubing. This design not only improves fixation efficiency but also ensures the safety and comfort of patients during hemodialysis treatment.

[0043] It is worth mentioning that by passing the dialysis tubing through the installation channel 201, this embodiment avoids squeezing or accidentally clamping the tubing when clamping and fixing it, thus effectively preventing potential problems such as tubing blockage. This not only improves the reliability of hemodialysis treatment but also ensures the stability of the treatment process.

[0044] Furthermore, by limiting the relative positions of the housing 100 and the lid 200 with the limiting component 300, and by ensuring a tight fit between the clamping component 400 and the bed sheet or patient clothing, this embodiment effectively prevents the dialysis tubing from detaching from the installation channel 201 or the entire device from falling off the fixed part when the patient turns over in bed or gets out of bed. This design not only enhances the stability of the dialysis tubing during use but also provides patients with a safer and more comfortable treatment experience.

[0045] In some specific embodiments, the limiting component 300 includes a telescopic member 310, a fixed locking block 320, and a movable locking block 330. The telescopic member 310 passes through the box body 100, and a first spring-loaded member 340, specifically a spring, is provided between the telescopic member 310 and the box body 100. The movable locking block 330 is disposed on the telescopic member 310, and the fixed locking block 320 is disposed on the box cover 200. The side of the fixed locking block 320 is provided with a first locking tooth 321, and the movable locking block 330 is provided with a second locking tooth 331 opposite to the first locking tooth 321. The end faces of the first locking tooth 321 and the second locking tooth 331 that are close to each other are provided with corresponding bevels. This design allows the second locking tooth 331 to avoid obstruction under the squeezing action of the first locking tooth 321 during the process of the box cover 200 being flipped onto the box body 100, thus avoiding obstruction of engagement.

[0046] Once the lid 200 is fully closed, the first spring-loaded component 340, under its elastic force, pushes the telescopic component 310 and the movable locking block 330 back, causing the second locking tooth 331 to engage tightly with the first locking tooth 321, forming a secure locking mechanism. This provides reliable relative positional restraint for the dialysis tubing and the lid 200. This design ensures the reliable fixation of the dialysis tubing within the installation channel 201, effectively preventing tubing detachment or displacement due to shaking or misoperation.

[0047] When it's necessary to remove the dialysis tubing, the operation is equally simple and quick. The patient or medical staff simply needs to extend or retract the telescopic component 310 relative to the housing 100. This simultaneously compresses the spring, causing the second locking tooth 331 on the movable locking block 330 to disengage from the first locking tooth 321 on the fixed locking block 320. At this point, the relative restriction between the housing 100 and the lid 200 is released. Next, simply flipping the lid 200 relative to the housing 100 allows the previously tightly fitted first groove 110 and second groove 210 to gradually move apart, providing sufficient space for the removal of the dialysis tubing. The entire operation is smooth and efficient, greatly improving the work efficiency of medical staff and providing patients with a more convenient user experience.

[0048] In some specific embodiments, the telescopic member 310 extends out of the housing 100 from the end opposite to the first rebound member 340; this design allows medical staff or patients to directly access this part of the telescopic member 310 when performing a pressing operation, without the need for complex actions or additional tools.

[0049] More importantly, this design greatly simplifies the operation process, making one-handed operation possible. Whether medical staff are in a stressful medical environment or patients are self-caring at home, they can easily press the telescopic component 310 with one hand without the need for assistance or stabilization with the other hand to unlock and unlock the box body 100 and the lid 200. This not only improves operational efficiency but also greatly enhances the convenience and flexibility of use.

[0050] In some specific embodiments, the side wall of the box 100 is provided with a locking seat 510 corresponding to the telescopic member 310. A locking rod 520 is provided through the locking seat 510. The end of the telescopic member 310 away from the spring member is provided with a step 311. The locking rod 520 can be extended and retracted relative to the locking seat 510 and pass through the step 311 and the box 100. This passing action effectively limits the telescopic movement of the telescopic member 310 relative to the box 100, ensuring that the telescopic member 310 will not move arbitrarily when not subjected to external force.

[0051] The main purpose of this design is to prevent the telescopic component 310 from malfunctioning due to accidental touching or pressing by the patient during activity, which could potentially release the locking mechanism between the box body 100 and the lid 200. This ensures that the dialysis tubing remains secure even during frequent or vigorous patient activity, significantly improving its stability. Furthermore, the locking lever 520 is equipped with a toggle switch, allowing the patient to easily control its movement.

[0052] In some specific embodiments, a second spring-loaded element 120 is provided between the box body 100 and the box cover 200. The second spring-loaded element 120 is specifically a torsion spring, which is disposed at the hinge connection between the box body 100 and the box cover 200. The introduction of the torsion spring not only ensures the stability of the box cover 200 when it is closed, but also provides the necessary power for opening the box cover 200.

[0053] When the limiting component 300, which ensures the relative positional stability between the box body 100 and the lid 200, is released from its limiting engagement with the box body 100 and the lid 200, the lid 200 can automatically and smoothly flip relative to the box body 100 under the elastic force of the second return spring 120. This flipping action means that after the limiting component 300 is released from its limiting engagement with the box body 100 and the lid 200, the box body 100 and the lid 200 no longer maintain their original tightly closed state, but will quickly spring open under the action of the torsion spring.

[0054] This innovative design greatly simplifies the operation process, allowing patients or medical staff to automatically open the lid 200 without the effort of manually doing so, thanks to the spring force. This design not only improves ease of operation but also makes one-handed operation possible, significantly increasing the efficiency of dialysis tubing handling. Whether in emergencies or routine care, this design provides immense convenience for both patients and medical staff.

[0055] In some specific embodiments, a damping structure is provided at the hinge between the box body 100 and the box cover 200; the main purpose of this structure is to slow down the speed of the box cover 200 during the opening process relative to the box body 100, thereby avoiding accidents that may occur due to excessive speed.

[0056] Specifically, if the lid 200 opens too quickly, it may cause unnecessary collisions or damage to the patient or surrounding medical devices due to inertia or improper force control. This potential damage could not only affect the normal use of the medical devices but also cause accidental injury to the patient. The introduction of a damping structure provides effective cushioning and resistance during the opening of the lid 200, making the opening speed of the lid 200 smoother and more controllable.

[0057] This design not only improves the overall safety of the medical device, but also allows patients to enjoy a more comfortable and reassuring experience when operating it themselves or receiving care from healthcare professionals. It also reflects the high level of importance and careful consideration given to patient safety during the design process.

[0058] In some specific embodiments, the clamping assembly 400 includes a clamping body 410 and a clamping seat 420, with the clamping seat 420 disposed on the housing 100 and the clamping body 410 snapped onto the clamping seat 420. This design of the clamping assembly 400 fully considers the needs of different usage scenarios. For example, when it is necessary to clamp the device onto a patient's clothing or bed sheet, one type of clamping body 410 can be selected; while when it is necessary to fix the device to the bed edge or infusion pole, another more suitable clamping body 410 can be used. This flexibility and replaceability allow the clamping assembly 400 to adapt to more usage scenarios, greatly improving its practical value.

[0059] In some specific embodiments, the clamp 410 and the box 100 are each provided with a rope seat 430, and the two rope seats 430 are connected by a suspension rope 431. Specifically, the rope seats 430 are cleverly positioned at appropriate locations on the clamp 410 and the box 100 to securely fix the suspension rope 431. The suspension rope 431, a soft and somewhat elastic connecting wire, is used to connect the two rope seats 430, thereby achieving a non-rigid connection between the clamp 410 and the box 100. This connection method has greater flexibility and adaptability compared to traditional rigid connection methods.

[0060] In scenarios where patients need to move frequently, this non-rigid connection is particularly important. Because the sling 431 has a certain degree of elasticity and flexibility, it can adjust its position accordingly as the patient moves. In this way, whether the patient is walking, sitting, lying down, or performing other daily activities, the clamp 410 and the box 100 can maintain a relatively stable positional relationship without causing restriction or discomfort to the patient.

[0061] More importantly, this connection method effectively avoids unnecessary bending or blockage of the dialysis tubing. In traditional rigid connections, because the positions of the clamp 410 and the housing 100 are relatively fixed, the dialysis tubing is easily squeezed or bent when the patient moves, thus affecting the treatment effect. However, the connection method using the suspension rope 431 greatly reduces this risk, ensuring unobstructed flow of the dialysis tubing and thus guaranteeing the reliability of the patient's treatment.

[0062] In some specific embodiments, connecting sleeves 202 are provided at both ends of the installation channel 201; this design not only takes into account the convenience of dialysis tubing during installation, but also fully considers its stability during long-term use.

[0063] The connecting sleeve 202, serving as a crucial medium connecting the dialysis tubing to the installation channel 201, is cleverly divided into two symmetrical parts. These two parts are respectively embedded into the first groove 110 and the second groove 210 at both ends of the installation channel 201, thus forming an interface that ensures close contact with the dialysis tubing. This design not only ensures the stability of the connecting sleeve 202 within the installation channel 201 but also provides a stable and reliable support for the dialysis tubing.

[0064] More importantly, the inner wall of the connecting sleeve 202 has a certain degree of roughness and friction. Thus, when the dialysis tubing passes through the mounting channel 201 and comes into contact with the connecting sleeve 202, the connecting sleeve 202 provides sufficient friction, effectively reducing the possibility of the dialysis tubing slipping relative to the mounting channel 201. This characteristic is particularly important during patient activity or dialysis, as it ensures a stable connection of the dialysis tubing and avoids treatment interruptions or poor efficacy due to tubing slippage.

[0065] Furthermore, this design of the connecting sleeve 202 also takes into account the diversity of dialysis tubing and the need for different sizes. Since the connecting sleeve 202 is divided into two symmetrical parts, which are respectively embedded in the first groove 110 and the second groove 210, it can be finely adjusted according to the actual size of the dialysis tubing to ensure optimal fit and stability.

[0066] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is 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.

[0067] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A dialysis tubing fixing device, characterized in that, include: The box body (100) has a first groove (110) on it. A lid (200) is hinged to one side of the body (100), and a second groove (210) is provided on the lid (200). The lid (200) flips over and covers the body (100), and the first groove (110) and the second groove (210) are mated to form an installation channel (201) for the passage of dialysis tubing. A limiting component (300) is disposed on the box body (100), and the limiting component (300) is used to limit the relative position of the box cover (200) to the box body (100) when the box cover (200) is placed on the box body (100); A clamping assembly (400) is mounted on the housing (100), which can clamp and fix the housing (100) to the patient's clothes or bed sheet by means of the clamping assembly (400); The clamping assembly (400) includes a clamping body (410) disposed on the housing (100) and the clamping body (410) is used to clamp and fix the patient's clothing or bed sheet; The clamping assembly (400) further includes a clamping seat (420), which is disposed on the box body (100), and the clamping body (410) is snapped onto the clamping seat (420); The clamp (410) and the box (100) are respectively provided with rope seats (430), and the two rope seats (430) are connected by a suspension rope (431).

2. The dialysis tubing fixing device according to claim 1, characterized in that, The limiting component (300) includes a telescopic member (310), a fixed locking block (320), and a movable locking block (330). The telescopic member (310) passes through the box body (100), and a first spring-loaded member (340) is provided between the telescopic member (310) and the box body (100). The movable locking block (330) is disposed on the telescopic member (310), and the fixed locking block (320) is disposed on the box cover (200). The side of the movable block (330) is provided with a first locking tooth (321), and the movable block (330) is provided with a second locking tooth (331) opposite to the first locking tooth (321). When the lid (200) is flipped onto the box body (100), the second locking tooth (331) will avoid the pressure of the first locking tooth (321), and then rebound under the action of the first spring member (340) to limit the first locking tooth (321).

3. The dialysis tubing fixing device according to claim 2, characterized in that, The telescopic member (310) extends out of the box body (100) from the end opposite to the first spring member (340).

4. The dialysis tubing fixing device according to claim 3, characterized in that, The side wall of the box (100) is provided with a locking seat (510) corresponding to the telescopic member (310). A locking rod (520) is provided through the locking seat (510). The end of the telescopic member (310) away from the spring member is provided with a step (311). The locking rod (520) can be extended and retracted relative to the locking seat (510) and pass between the step (311) and the box (100) to limit the extension and retraction of the telescopic member (310) relative to the box (100).

5. The dialysis tubing fixing device according to claim 1, characterized in that, A second spring-loaded component (120) is provided between the box body (100) and the box cover (200). When the limiting component (300) releases the relative position limitation between the box body (100) and the box cover (200), the box cover (200) can flip and move relative to the box body (100) under the elastic force of the second spring-loaded component (120).

6. The dialysis tubing fixing device according to claim 5, characterized in that, The hinge between the box body (100) and the box cover (200) is provided with a damping structure.

7. The dialysis tubing fixing device according to any one of claims 1 to 6, characterized in that, The installation channel (201) is provided with connecting sleeves (202) at both ends. The connecting sleeves (202) are symmetrically divided into two parts, which are located in the first groove (110) and the second groove (210) respectively.

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