A central venous catheter securement device

Abstract

This utility model discloses a central venous catheter fixation device, including a buckle body and a convenient protective mechanism with the same structure installed on both ends of the buckle body. The buckle body is connected to a first extension plate and a second extension plate at both ends. A limiting groove for limiting the catheter is provided in the middle of the buckle body. A sliding limiting rod and a fixed limiting rod are installed inside both ends of the limiting groove. The sliding limiting rod and the fixed limiting rod are located on the same line. The bottom of the buckle body is connected to an adhesive tape. The convenient protective mechanism includes a rotating cover plate installed on the top of the convex edge of the left end of the buckle body. A flip cover plate is installed on the right end of the rotating cover plate. A groove is installed inside the right end of the rotating cover plate. A fixing rod is installed on the side adjacent to the flip cover plate and the rotating cover plate. The front and rear ends of the fixing rod are fixed in the fixing holes on the front and rear walls of the groove. This device can reduce the impact of external forces on the buckle body.

Description

Technical Field

[0001] This utility model relates to the field of central venous catheter fixation technology, and in particular to a central venous catheter fixation device. Background Technology

[0002] A central venous catheter fixation patch is a medical device used to fix a central venous catheter. Its main function is to prevent the catheter from shifting or falling out during use, ensuring the stability and safety of the catheter.

[0003] In the prior art, patent number CN202320677697.0 describes a disposable central venous catheter fixation device, which includes a buckle body. The buckle body has a first buckle cap and a second buckle cap connected to both ends. A limiting groove for catheter positioning is provided in the middle of the buckle body. A limiting rod slide rail is provided on one side of the limiting groove. One end of the limiting rod slide rail is connected to a sliding limiting rod. The sliding limiting rod and a fixed limiting rod are located on the same line. The fixed limiting rod is fixedly connected to the buckle body. The bottom of the buckle body is connected to adhesive tape. This device effectively prevents the catheter from dislodging or shifting during treatment. It also has a simple overall structure, is easy to manufacture, and is convenient to operate, making it suitable for widespread use. However, this solution uses the first and second buckle caps to prevent external contact with the positioned sliding limiting rod. The buckle body experiences significant stress when the first and second buckle caps are opened and closed. Therefore, this central venous catheter fixation device is proposed to address these issues. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0005] A central venous catheter fixation device includes a buckle body and a convenient protective mechanism with the same structure installed on both ends of the buckle body. The buckle body is connected to a first extension plate and a second extension plate at both ends. A limiting groove for limiting the catheter is provided in the middle of the buckle body. A sliding limiting rod and a fixed limiting rod are installed inside both ends of the limiting groove. The sliding limiting rod and the fixed limiting rod are located on the same line. The bottom of the buckle body is connected to an adhesive tape. The convenient protective mechanism includes a rotating cover plate installed on the top of the convex edge of the left end of the buckle body. A flip cover plate is installed on the right end of the rotating cover plate. A groove is installed inside the right end of the rotating cover plate. A fixing rod is installed on the side adjacent to the flip cover plate and the rotating cover plate. The front and rear ends of the fixing rod are fixed in the fixing holes on the front and rear walls of the groove.

[0006] Preferably, a collar is installed on the left side of the convex edge, and a rotating rod is installed on the left side of the rotating cover plate, with the bottom end of the rotating rod rotating around the inside of the collar.

[0007] Preferably, a fixing groove is provided on the outer side of the right end of the convex edge, and the opening of the right end of the fixing groove is a funnel-shaped opening.

[0008] Preferably, the front and rear ends of the flip cover are provided with limiting grooves, and limiting rods are installed inside the limiting grooves. The side wall of the through hole inside the upper sliding plate is slidably connected to the side of the limiting rod. One end of the upper sliding plate is fixedly connected to one side of the upper half of the push plate. A lower sliding plate is installed on one side of the lower half of the push plate. The lower sliding plate slides into the interior of the right end opening of the fixed groove.

[0009] Preferably, the lower sliding plate has an adjustment groove inside, and a spring is installed inside the adjustment groove. One end of the spring is connected to the inner side of the top plate of the lower sliding plate, and the other end is connected to the inner side of the bottom plate of the lower sliding plate.

[0010] Compared with the prior art, the beneficial effects of this utility model are: (1) The rotating cover plate rotates along the collar through the rotating rod, and the rotating cover plate covers the buckle body. The flip cover plate rotates along the groove through the fixing rod, and the flip cover plate covers the buckle body. The staff manually pushes the push plate, and the upper translation plate can move along the limiting rod. Half of the lower translation plate can move into the fixed groove. When the lower translation plate moves into the fixed groove, the top plate and bottom plate of the lower translation plate will compress the spring, increasing the stability of the lower translation plate in the fixed groove. This device can reduce the influence of external force on the buckle body. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a three-dimensional structural diagram of the convenient protective mechanism of this utility model;

[0014] Figure 3 This is a top view cross-sectional diagram of the convenient protective mechanism of this utility model;

[0015] Figure 4 This is a schematic diagram of the three-dimensional structure of the buckle connection of this utility model;

[0016] Figure 5 This is a schematic diagram of the left-side cross-sectional structure of the push plate of this utility model.

[0017] The reference numerals in the figure are as follows: buckle 1, protruding edge 10, collar 101, fixing groove 102, first extension plate 11, second extension plate 12, limiting groove 13, sliding limiting rod 14, fixed limiting rod 15, convenient protective mechanism 2, rotating cover plate 21, groove 211, rotating rod 212, flip cover plate 22, limiting groove 23, push plate 24, limiting rod 25, upper sliding plate 26, lower sliding plate 27, adjusting groove 28, spring 29. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] Please see Figure 1-5 This utility model provides an embodiment of a central venous catheter fixation device, comprising a buckle body 1 and a convenient protective mechanism 2 with the same structure installed above both ends of the buckle body 1. The buckle body 1 has a first extension plate 11 and a second extension plate 12 connected to both ends. A limiting groove 13 for catheter positioning is provided in the middle of the buckle body 1. A sliding limiting rod 14 and a fixed limiting rod 15 are installed inside both ends of the limiting groove 13. The sliding limiting rod 14 and the fixed limiting rod 15 are located on the same line. The bottom of the buckle body 1 is connected to an adhesive tape 3. The convenient protective mechanism 2 includes a protrusion installed on the left end of the buckle body 1. The rotating cover plate 21 at the top of the side 10 has a flip cover plate 22 installed at the right end of the rotating cover plate 21. The inside of the right end of the rotating cover plate 21 has a groove 211. A fixing rod 221 is installed on the side of the flip cover plate 22 adjacent to the rotating cover plate 21. The front and rear ends of the fixing rod 221 are fixed in the fixing holes on the front and rear walls of the groove 211. The rotating cover plate 21 and the flip cover plate 22 cover the buckle body 1 and play a protective role for the sliding limit rod 14 and the fixed limit rod 15. The flip cover plate 22 rotates along the groove 211 through the fixing rod 221. The flip cover plate 22 can be opened independently, increasing the convenience of use.

[0021] A collar 101 is installed on the left side of the protruding edge 10, and a rotating rod 212 is installed on the left side of the rotating cover plate 21. The bottom end of the rotating rod 212 rotates around the inside of the collar 101. The rotating cover plate 21 opens by rotating along the collar 101 via the rotating rod 212, reducing the impact on the buckle body 1.

[0022] A fixing groove 102 is provided on the outer side of the right end of the protruding edge 10. The opening of the right end of the fixing groove 102 is a funnel-shaped opening, which facilitates the insertion of the lower sliding plate 27.

[0023] The flip cover 22 has a limiting groove 23 inside at both the front and rear ends. A limiting rod 25 is installed inside the limiting groove 23. The side wall of the through hole inside the upper sliding plate 26 is slidably connected to the side of the limiting rod 25. One end of the upper sliding plate 26 is fixedly connected to one side of the upper half of the push plate 24. A lower sliding plate 27 is installed on one side of the lower half of the push plate 24. The lower sliding plate 27 slides into the right end opening of the fixing groove 102. When the operator manually pushes the push plate 24, the upper sliding plate 26 can move along the limiting rod 25, and half of the lower sliding plate 27 can move into the fixing groove 102, which can fix the flip cover 22.

[0024] The lower translation plate 27 has an adjustment groove 28 inside, and a spring 29 is installed inside the adjustment groove 28. One end of the spring 29 is connected to the inner side of the top plate of the lower translation plate 27, and the other end is connected to the inner side of the bottom plate of the lower translation plate 27. When the lower translation plate 27 moves into the fixed groove 102, the top plate and bottom plate of the lower translation plate 27 will compress the spring 29, increasing the stability of the lower translation plate 27 inside the fixed groove 102.

[0025] In use, the rotating cover plate 21 rotates along the collar 101 via the rotating rod 212, and the rotating cover plate 21 covers the buckle body 1. The flip cover plate 22 rotates along the groove 211 via the fixing rod 221, and the flip cover plate 22 covers the buckle body 1. The operator manually pushes the push plate 24, and the upper translation plate 26 can move along the limiting rod 25. Half of the lower translation plate 27 can move into the fixing groove 102. When the lower translation plate 27 moves into the fixing groove 102, the top plate and bottom plate of the lower translation plate 27 will compress the spring 29, increasing the stability of the lower translation plate 27 inside the fixing groove 102. This device can reduce the influence of external forces on the buckle body.

[0026] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A central venous catheter fixation device, characterized in that: The system includes a buckle body (1) and a convenient protective mechanism (2) with the same structure installed above both ends of the buckle body (1). The buckle body (1) has a first extension plate (11) and a second extension plate (12) connected to both ends. A limiting groove (13) for limiting the conduit is provided in the middle of the buckle body (1). A sliding limiting rod (14) and a fixed limiting rod (15) are installed inside both ends of the limiting groove (13). The sliding limiting rod (14) and the fixed limiting rod (15) are located on the same line. 1) The bottom is connected to the adhesive tape (3). The convenient protective mechanism (2) includes a rotating cover plate (21) installed on the top of the left protruding edge (10) of the buckle body (1). The right end of the rotating cover plate (21) is equipped with a flip cover plate (22). The inside of the right end of the rotating cover plate (21) is equipped with a groove (211). The flip cover plate (22) and the rotating cover plate (21) are adjacent to each other and a fixing rod (221) is installed. The front and rear ends of the fixing rod (221) are fixed in the fixing holes on the front and rear walls of the groove (211).

2. The central venous catheter fixation device according to claim 1, characterized in that: A collar (101) is installed on the left side of the protruding edge (10), and a rotating rod (212) is installed on the left side of the rotating cover plate (21). The bottom end of the rotating rod (212) rotates around the inside of the collar (101).

3. A central venous catheter fixation device according to claim 1, characterized in that: The outer side of the right end of the protruding edge (10) is provided with a fixing groove (102), and the opening of the right end of the fixing groove (102) is a funnel-shaped opening.

4. A central venous catheter fixation device according to claim 1, characterized in that: The flip cover (22) has a limiting groove (23) inside at both the front and rear ends. A limiting rod (25) is installed inside the limiting groove (23). The side wall of the through hole inside the upper sliding plate (26) is slidably connected to the side of the limiting rod (25). One end of the upper sliding plate (26) is fixedly connected to one side of the upper half of the push plate (24). A lower sliding plate (27) is installed on one side of the lower half of the push plate (24). The lower sliding plate (27) slides into the interior of the right end opening of the fixed groove (102).

5. A central venous catheter fixation device according to claim 4, characterized in that: The lower translation plate (27) is provided with an adjustment groove (28), and a spring (29) is installed inside the adjustment groove (28). One end of the spring (29) is connected to the inner side of the top plate of the lower translation plate (27), and the other end is connected to the inner side of the bottom plate of the lower translation plate (27).

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