Fixing structure for connector of hemodialysis catheter

By designing a combination of detachable strap components and mounting slots, the problem of frequent strap replacement or cleaning in the fixation structure of hemodialysis catheter interfaces is solved, enabling convenient strap replacement and cleaning. Furthermore, the position of the fixation components is adjustable to accommodate various catheter fixations.

CN223627935UActive Publication Date: 2025-12-05903 HOSPITAL OF THE JOINT LOGISTICS SUPPORT FORCE OF THE PEOPLES LIBERATION ARMY OF CHINA

Patent Information

Application Number
CN202422812096.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-12-05
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

Existing hemodialysis catheter interfaces require frequent replacement or cleaning of the straps, especially when sweat and medication leak out, posing a risk of adhesion.

Method used

A fixing structure including a support plate and a detachable strap assembly was designed. The strap is detachable and washable. Quick installation and removal are achieved through a combination of mounting slots and mounting blocks. The design of limit blocks and torsion springs facilitates operation.

Benefits of technology

It enables convenient replacement and cleaning of the straps, improving hygiene, and the fixing components are adjustable to meet the fixing needs of various hemodialysis catheters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hemodialysis catheter interface fixing structure which comprises a supporting plate and a plurality of fixing assemblies used for fixing a hemodialysis catheter, detachable bandage assemblies are arranged on the left side and the right side of the supporting plate, and the fixing assemblies are installed on the supporting plate through installation assemblies. The detachable bandage assembly comprises an installation groove formed in the front face of the supporting plate, the installation groove penetrates through the supporting plate front and back, an installation block is inserted into the installation groove, a middle rod is fixedly connected between the front face and the back face of the inner wall of the installation block, and the surface of the middle rod is sleeved with a bandage. According to the fixing structure for the connector of the hemodialysis catheter, the bandage is designed to be of a structure capable of being detached from the supporting plate, only the installation block needs to be inserted into the installation groove during installation, only the limiting block needs to be pressed during detachment, operation is convenient and rapid, and therefore the bandage can be replaced and cleaned after being polluted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hemodialysis catheter fixing technical field, concretely is a kind of fixed structure for the interface of hemodialysis catheter. BACKGROUND

[0002] Hemodialysis is one of the renal replacement therapy for patients with acute and chronic renal failure, which is to drain the blood in the body to the outside of the body, through a dialyzer composed of countless hollow fibers, blood and electrolyte solution containing the concentration of the body in a hollow fiber, through diffusion, ultrafiltration, adsorption and convection principle to exchange material, remove metabolic waste in the body, maintain electrolyte and acid-base balance;Excess water in the body is removed at the same time, and the whole process of purified blood return is called hemodialysis.

[0003] Reference patent announcement No. "CN221637053U" discloses a hemodialysis catheter interface fixing device, the other side of the support pad is provided with a second bandage, the second bandage is movably provided with a lifting ring at the end, the inner diameter of the lifting ring is greater than the width of the first bandage, the first bandage is movably penetrated through the lifting ring, and the hook face and the hair face of the magic tape on the first bandage are respectively placed on the two sides of the lifting ring, and the length of the magic tape hair face is less than the length of the magic tape hook face.

[0004] The patent is fixed to the patient's limbs by bandage during use, and the existing fixed structure for the interface of hemodialysis catheter is worn by the cooperation of two bandages and magic tape during use, but the patient's sweat is adsorbed by the bandage during use, and the medicine liquid may also be adsorbed by the bandage during dialysis, and the bleeding may also be adsorbed, so the bandage needs to be replaced or cleaned. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a fixed structure for the interface of hemodialysis catheter, which solves the problem that the bandage for wearing in the existing fixed structure for the interface of hemodialysis catheter needs to be replaced or cleaned.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a fixed structure for the interface of hemodialysis catheter includes support plate and a plurality of fixing components for fixing hemodialysis catheter, the left and right sides of the support plate are provided with detachable bandage components, and the fixing components are installed on the support plate through mounting components;

[0007] The detachable bandage assembly comprises a mounting groove formed on the front surface of the support plate and penetrating through the support plate from front to back, an installation block inserted into the mounting groove, an intermediate rod fixedly connected between the front surface and the back surface of the inner wall of the installation block, and a bandage sleeved on the surface of the intermediate rod.

[0008] Preferably, a torsion spring is sleeved on the surface of the limiting block inside the fixed rod, one end of the torsion spring is fixedly connected with the surface of the fixed rod, and the other end of the torsion spring is fixedly connected with the limiting block.

[0009] Preferably, the limiting block is L-shaped, and the limiting block is divided into a horizontal part and a vertical part, and the bottom of the vertical part of the limiting block is sawtooth-shaped.

[0010] Preferably, the installation assembly comprises a T-shaped groove formed on the bottom of the support plate and penetrating through the support plate upwardly, a bottom plate, a round rod fixedly connected with the top of the bottom plate, and a limiting spring fixedly connected with the top of the round rod.

[0011] Preferably, the bottom of the fixing assembly is fixedly connected with a sliding block, and a circular hole is formed in the bottom of the sliding block.

[0012] Preferably, the left and right sides of the round rod are fixedly connected with blocking rods, and the inner wall of the circular hole is formed with two L-shaped grooves matched with the blocking rods.

[0013] Beneficial effects

[0014] The utility model provides a kind of fixed structure for the interface of hemodialysis catheter.Compared with prior art, it has the following beneficial effects:

[0015] 1、the fixed structure for the interface of hemodialysis catheter, through detachable bandage assembly comprising opening in the front surface of support plate mounting groove, and mounting groove penetrates through support plate from front to back, installation block is inserted into the inside of mounting groove, the front surface and the back surface between the inner wall of installation block Fixedly connected with intermediate rod, bandage is designed as the structure that can be detached from support plate, when installing, only need to insert installation block into mounting groove, when disassembling, only need to press limiting block, it is convenient and quick to operate, so that it can be replaced and cleaned after bandage is contaminated.

[0016] 2、The interface fixing structure of the hemodialysis catheter, through the installation assembly including the T-shaped groove opened in the bottom of the support plate and the bottom plate, and the T-shaped groove penetrates the support plate upwards, the top of the bottom plate is fixedly connected with a round rod, the top of the round rod is fixedly connected with a limiting spring, the fixing assembly is installed on the support plate through the installation assembly, so that the installation position of the fixing assembly can be adjusted at will, and the fixing assembly is convenient to install, so that the fixing demand of a plurality of hemodialysis catheters can be met. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the appearance schematic view of the utility model;

[0018] Figure 2 It is the exploded view of the utility model;

[0019] Figure 3 It is the local schematic view of the detachable bandage assembly of the utility model;

[0020] Figure 4 It is the schematic view of the T-shaped bottom plate of the utility model;

[0021] Figure 5 It is the bottom view of the fixing assembly of the utility model.

[0022] In the drawing: 1, support plate; 2, fixing assembly; 3, installation assembly; 31, T-shaped groove; 32, bottom plate; 33, round rod; 34, limiting spring; 35, stop rod; 36, sliding block; 37, round hole; 38, L-shaped groove; 4, detachable bandage assembly; 41, installation groove; 42, mounting block; 43, intermediate rod; 44, bandage; 45, baffle; 46, fixed rod; 47, limiting block; 48, torsional spring; 49, limiting groove. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 The interface fixing structure of the hemodialysis catheter provides two technical schemes:

[0025] The first embodiment: including support plate 1 and a plurality of fixing assemblies 2 for fixing hemodialysis catheter, the left and right sides of support plate 1 are provided with detachable bandage assembly 4, fixing assembly 2 is installed on support plate 1 through installation assembly 3;

[0026] The detachable bandage assembly 4 comprises a mounting groove 41 opened on the front surface of the support plate 1, and the mounting groove 41 penetrates through the support plate 1 from front to back, the inside of the mounting groove 41 is inserted with a mounting block 42, the front surface and the back surface of the inner wall of the mounting block 42 are fixedly connected with an intermediate rod 43, the surface of the intermediate rod 43 is sleeved with a bandage 44, a lifting ring is movably installed on the right side of the bandage 44, a magic tape is arranged on the inner side of the right side of the bandage 44, the top of the support plate 1 is fixedly connected with two front and back baffles 45, the two baffles 45 are fixedly connected with a fixed rod 46, the surface of the fixed rod 46 is sleeved with a limiting block 47, the surface of the fixed rod 46 inside the limiting block 47 is sleeved with a torsion spring 48, one end of the torsion spring 48 is fixedly connected with the surface of the fixed rod 46, the other end of the torsion spring 48 is fixedly connected with the limiting block 47, the limiting block 47 is L-shaped, the limiting block 47 is divided into a horizontal part and a vertical part, the bottom of the vertical part of the limiting block 47 is serrated, and the top of the mounting block 42 is provided with a limiting groove 49 matched with the limiting block 47.

[0027] The bandage 44 is designed to be detachable from the support plate 1, during installation, only the mounting block 42 needs to be inserted into the mounting groove 41, during disassembly, only the limiting block 47 needs to be pressed, which is convenient and fast, so that the bandage 44 can be replaced and cleaned after being contaminated.

[0028] The second embodiment is mainly different from the first embodiment in that the mounting assembly 3 comprises a T-shaped groove 31 and a bottom plate 32 opened on the bottom of the support plate 1, the T-shaped groove 31 penetrates through the support plate 1 upwards, the top of the bottom plate 32 is fixedly connected with a round rod 33, the top of the round rod is fixedly connected with a limiting spring 34, the bottom of the fixing assembly 2 is fixedly connected with a sliding block 36, the bottom of the sliding block 36 is provided with a circular hole 37, the left and right sides of the round rod 33 are fixedly connected with a blocking rod 35, and the inner wall of the circular hole 37 is provided with two L-shaped grooves 38 matched with the blocking rod 35.

[0029] The fixing assembly 2 is installed on the support plate through the mounting assembly 3, so that the installation position of the fixing assembly 2 can be adjusted at will, and the fixing assembly 2 is convenient to install, so that the fixing demand of multiple hemodialysis catheters can be met.

[0030] During use, the fixing assembly 2 is placed above the support plate 1, and the sliding block 36 is in the T-shaped groove 31, after adjusting the position of the fixing assembly 2, the round rod 33 is inserted into the circular hole 37 from below the support plate 1, and the round rod 33 is aligned with the L-shaped groove 38 during insertion, and the position of the fixing assembly 2 is fixed after rotating the bottom plate 32, in addition, when the bandage 44 needs to be disassembled, the head of the limiting block 47 is pressed out of the limiting groove 49, and then the mounting block 42 is pulled out of the mounting groove 41, at this time, the bandage 44 is disassembled.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A fixing structure for the connection of a hemodialysis catheter, comprising a support plate (1) and a plurality of fixing assemblies (2) for the fixing of a hemodialysis catheter, characterized in that: The left and right sides of the support plate (1) are provided with detachable bandage assemblies (4), and the fixing assembly (2) is installed on the support plate (1) through the mounting assembly (3); The detachable bandage assembly (4) comprises a mounting groove (41) opened in the front of the support plate (1), and the mounting groove (41) penetrates through the support plate (1) from front to back, an installation block (42) is inserted into the mounting groove (41), an intermediate rod (43) is fixedly connected between the front and back of the inner wall of the installation block (42), a bandage (44) is sleeved on the surface of the intermediate rod (43), and the top of the support plate (1) is fixedly connected with two front and rear baffles (45), the two baffles (45) are fixedly connected with a fixed rod (46), and the surface of the fixed rod (46) is sleeved with a limiting block (47).

2. The securement structure for a hemodialysis catheter hub according to claim 1, wherein: The surface of the fixed rod (46) in the limiting block (47) is sleeved with a torsion spring (48), one end of the torsion spring (48) is fixedly connected with the surface of the fixed rod (46), and the other end of the torsion spring (48) is fixedly connected with the limiting block (47).

3. The securement structure for a hemodialysis catheter hub according to claim 1, wherein: The limiting block (47) is L-shaped, and the limiting block (47) is divided into a horizontal part and a vertical part, and the bottom of the vertical part of the limiting block (47) is sawtooth-shaped, and the top of the installation block (42) is provided with a limiting groove (49) matched with the limiting block (47).

4. The securement structure for a hemodialysis catheter hub of claim 1, wherein: The mounting assembly (3) comprises a T-shaped groove (31) and a bottom plate (32) opened in the bottom of the support plate (1), and the T-shaped groove (31) penetrates through the support plate (1) upwardly, the top of the bottom plate (32) is fixedly connected with a circular rod (33), and the top of the circular rod is fixedly connected with a limiting spring (34).

5. The securement structure for a hemodialysis catheter hub according to claim 4, wherein: The bottom of the fixing assembly (2) is fixedly connected with a sliding block (36), and a circular hole (37) is formed in the bottom of the sliding block (36).

6. The securement structure for a hemodialysis catheter hub according to claim 5, wherein: The left and right sides of the circular rod (33) are fixedly connected with a baffle rod (35), and the inner wall of the circular hole (37) is provided with two L-shaped grooves (38) matched with the baffle rod (35).

Citation Information

Patent Citations

  • Hemodialysis catheter connector fixing device

    CN221637053U

Cited By

  • Hemodialysis catheter fixing device

    CN121868670A