Venous catheter auxiliary fixator

By designing the restraint strap and positioning components, the problems of unstable fixation of intravenous catheters and patient allergies were solved, achieving stable fixation and protection of intravenous catheters and improving their practicality.

CN224331341UActive Publication Date: 2026-06-09刘娟

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
刘娟
Filing Date
2025-04-09
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The current methods for fixing intravenous catheters are not stable enough and are prone to falling off. In addition, some patients are allergic to the tape, which makes them impractical.

Method used

It employs restraint straps and positioning components, including rigid protective plates, support plates, and positioning sleeves, to secure intravenous tubing via slots and Velcro, avoiding contact with adhesive tape and increasing friction and support stability.

Benefits of technology

It improves the stability and protection of intravenous catheterization, avoids patient allergies to tape, and is simple to operate and highly practical.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of intravenous catheterization, concretely is intravenous catheterization auxiliary fixer, including the restraint band, the inner wall fixedly connected with positioning assembly of restraint band, positioning assembly includes rigid protection board, first support plate and second support plate, one end of rigid protection board is fixedly connected with first support plate, is equipped with first clamping groove and second clamping groove on the lateral wall of first support plate, is equipped with pipeline slot on the lateral wall of first support plate, pipeline slot penetrates first clamping groove and second clamping groove, the inside of pipeline slot penetrates the intravenous pipeline, the outside of intravenous pipeline is sleeved with first positioning sleeve and second positioning sleeve, first positioning sleeve is located the inside of first clamping groove, second positioning sleeve is located the inside of second clamping groove. The utility model will be around the restraint band of patient's limbs and be fixedly connected, and the positioning sleeve is positioned by the clamping groove on the support plate and is blocked, so that the pipeline will not move easily, improves the stability of pipeline.
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Description

Technical Field

[0001] This utility model belongs to the field of intravenous catheterization technology, specifically relating to an auxiliary fixation device for intravenous catheterization. Background Technology

[0002] Intravenous catheterization is a catheter inserted through the skin into a vein, used for long-term intravenous infusion, blood collection, and monitoring of central venous pressure. Intravenous catheterization is primarily used for patients where intravenous medication administration is inconvenient or superficial veins are difficult to access with a needle; in these cases, a deep vein catheter is necessary. Deep vein catheterization mainly involves the internal jugular vein, subclavian vein, and femoral vein; these three sites are currently the primary locations used clinically for deep vein catheterization.

[0003] Currently, after inserting a venous catheter into a patient's limb, it needs to be secured to the limb with adhesive tape. However, the current adhesive method is not stable enough, and the catheter is prone to dislodgement when the patient moves or when the catheter is pulled by external force. In addition, some patients are allergic to the tape, making the current method of securing venous catheters with adhesive tape impractical. Therefore, it is necessary to propose a venous catheter placement auxiliary fixation device to solve the above problems. Utility Model Content

[0004] To address the aforementioned problems in the existing technology, this utility model provides an auxiliary fixation device for intravenous catheterization, which features good fixation effect, ease of operation, and strong practicality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an intravenous catheterization auxiliary fixation device, comprising a restraint band, a positioning component fixedly connected to the inner wall of the restraint band, the positioning component comprising a rigid protective plate, a first support plate and a second support plate, the rigid protective plate being fixedly fixed to the middle of the inner wall of the restraint band, one end of the rigid protective plate being fixedly connected to the first support plate, the side wall of the first support plate being provided with a first slot and a second slot, the side wall of the first support plate being provided with a tubing groove, the tubing groove penetrating the first slot and the second slot, the inner side of the tubing groove being through which a venous tubing passes, the outer side of the venous tubing being fitted with a first positioning sleeve and a second positioning sleeve, the first positioning sleeve being located inside the first slot, the second positioning sleeve being located inside the second slot, the other end of the rigid protective plate being fixedly connected to the second support plate, the second support plate having the same structure as the first support plate.

[0006] As a preferred technical solution of the intravenous catheterization auxiliary fixation device of this utility model, the first positioning sleeve includes a first arc plate and a second arc plate. The two end side walls of the first arc plate are fixed with a first adhesive sticker, and the middle side wall of the first arc plate is fixed with a second adhesive sticker. The second arc plate is adhered to one side of the first arc plate. The second arc plate and the first arc plate have the same structure. The first arc plate and the second arc plate are located outside the intravenous tubing. The second positioning sleeve and the first positioning sleeve have the same structure.

[0007] As a preferred technical solution of the intravenous catheterization auxiliary fixation device of this utility model, a first Velcro fastener is fixed to one side wall of the restraint strap, and a second Velcro fastener is fixed to the other side wall of the restraint strap.

[0008] As a preferred technical solution of the intravenous catheterization auxiliary fixation device of this utility model, the inner wall of the restraint band is fixedly connected with a first silicone pad and a second silicone pad, and multiple first silicone pads and multiple second silicone pads are provided.

[0009] As a preferred technical solution of the intravenous catheterization auxiliary fixation device of this utility model, a blocking block is fixed on the inner wall edge of the tubing groove, and the blocking block is made of elastic material.

[0010] As a preferred technical solution of the intravenous catheterization auxiliary fixation device of this utility model, the first support plate and the second support plate are both made of elastic material, and the restraint strap is made of transparent material.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In use, this invention utilizes a restraint strap, a positioning component, and a positioning sleeve. The positioning component is fixed inside the restraint strap. When inserting a venous catheter into the patient's limb, the positioning sleeve is adhered and fixed to the outside of the venous catheter. The venous catheter is then engaged with the inside of the catheter grooves on the support plates at both ends of the positioning component, ensuring that the positioning sleeve on the catheter is located inside the grooves on the support plates. Subsequently, medical personnel wrap the restraint strap around the patient's limb for adhesion and fixation. During the use of the venous catheter, if the patient moves or the catheter is pulled (or pushed) by external force, the positioning sleeve can be blocked and positioned by the grooves on the support plates, preventing the catheter from moving easily and improving the stability of the catheter. At the same time, the restraint strap is secured with Velcro, avoiding the situation where some patients are allergic to adhesive tape. It is highly practical.

[0013] Furthermore, by setting multiple first and second silicone pads on the inner wall of the restraint band, when the restraint band is wrapped around the patient's limb for fixation, the friction between the restraint band and the patient's limb can be increased through the multiple silicone pads, so that the restraint band will not be easily moved, further improving the stability of intravenous catheterization.

[0014] In addition, the rigid protective plate of the positioning component is fixed to the inside of the restraint belt and supported on the patient's limb by the support plate at both ends. After the intravenous catheter is locked and positioned by the support plate, the rigid protective plate can protect the intravenous catheter insertion position and improve the protection of the insertion position. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial cross-sectional view of the present invention;

[0018] Figure 3 For the present utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a schematic diagram showing the connection between the vein tubing and the positioning sleeve of this utility model;

[0020] Figure 5 This is a three-dimensional schematic diagram of the first positioning sleeve of this utility model.

[0021] In the diagram: 1. Restraint strap; 11. First silicone pad; 12. Second silicone pad; 13. First Velcro; 14. Second Velcro; 2. Positioning component; 21. Rigid protective plate; 22. First support plate; 221. First slot; 222. Second slot; 223. Tube groove; 224. Covering block; 23. Second support plate; 3. Intravenous tubing; 4. First positioning sleeve; 41. First arc plate; 411. First adhesive tape; 412. Second adhesive tape; 42. Second arc plate; 5. Second positioning sleeve. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Please see Figure 1-5 This utility model provides the following technical solution: an intravenous catheter placement auxiliary fixation device, including a restraint strap 1. A first Velcro 13 is fixed to one side wall of the restraint strap 1, and a second Velcro 14 is fixed to the other side wall of the restraint strap 1. It can be wrapped around the patient's limb for adhesion and fixation, eliminating the need for adhesive tape and avoiding patient allergies. The restraint strap 1 is made of a transparent material, such as transparent silicone, to facilitate observation of the catheter insertion by medical personnel. A positioning component 2 is fixedly connected to the inner wall of the restraint strap 1. See the attached document for details. Figure 1 and attached Figure 2 The positioning component 2 includes a rigid protective plate 21, a first support plate 22, and a second support plate 23. The rigid protective plate 21 is fixed to the middle of the inner wall of the restraint band 1. One end of the rigid protective plate 21 is fixedly connected to the first support plate 22, and the other end of the rigid protective plate 21 is fixedly connected to the second support plate 23. The second support plate 23 and the first support plate 22 have the same structure. Both the first support plate 22 and the second support plate 23 are made of elastic material. In this solution, when a patient has an intravenous catheter inserted, the restraint band 1 is used to wrap around the patient's limb for restraint and fixation. The rigid protective plate 21 is supported on one side of the catheter insertion position by the two support plates. The rigid protective plate 21 can protect the intravenous catheter, reduce the possibility of the catheter being pulled or accidentally bumped, and improve the protection of the catheter insertion position.

[0025] Reference Figure 2 and Figure 3 As shown, specifically, the side wall of the first support plate 22 is provided with a first slot 221 and a second slot 222, and the side wall of the first support plate 22 is provided with a pipe groove 223. The pipe groove 223 passes through the first slot 221 and the second slot 222. A vein pipe 3 passes through the inner side of the pipe groove 223, which can limit the position of the vein pipe 3. A blocking block 224 is fixed on the inner side of the pipe groove 223. The blocking block 224 is made of elastic material and can block vein pipes 3 of different diameters. This solution achieves the positioning of the vein pipe 3 by engaging the vein pipe 3 with the support plate of the positioning component 2, thereby further improving the protection of the vein pipe 3 and the stability of the pipe placement.

[0026] Example 2

[0027] In another embodiment of this solution, refer to Figure 1 , Figure 4 and Figure 5As shown, specifically, a first positioning sleeve 4 and a second positioning sleeve 5 are sleeved on the outer side of the venous conduit 3. The first positioning sleeve 4 is located inside the first slot 221, and the second positioning sleeve 5 is located inside the second slot 222. The size of the positioning sleeves matches the slots, ensuring stable engagement. The first positioning sleeve 4 includes a first arc plate 41 and a second arc plate 42. First adhesive stickers 411 are fixed to the two end sidewalls of the first arc plate 41, and a second adhesive sticker 412 is fixed to the middle sidewall of the first arc plate 41. The second arc plate 42 is adhered to one side of the first arc plate 41. The second arc plate 42 has the same structure as the first arc plate 41. The first arc plate 41 and the second arc plate 42 are located on the outer side of the venous conduit 3, and the two arc plates are adhered to each other to form a circle. The first positioning sleeve 5 and the second positioning sleeve 4 have the same structure. This solution fixes two positioning sleeves to the outside of the venous tubing 3 by adhering them together. After inserting the venous tubing 3, medical staff can lock the two positioning sleeves into the inner sides of the two slots on the support plate. This allows the restraint strap 1 to fix the positioning component 2 to the patient's limb and then block the positioning sleeves through the slots. When the external venous tubing 3 is pulled or pushed, the positioning sleeves can stably position the tubing, greatly improving the stability of venous catheterization. Compared with some existing tools that fix the tubing by squeezing or binding, this solution does not compress the tubing and does not affect the normal use of venous catheterization, making it highly practical.

[0028] Example 3

[0029] In another embodiment of this solution, refer to Figure 1 and Figure 2 As shown, specifically, the inner wall of the restraint band 1 is fixedly connected with a first silicone pad 11 and a second silicone pad 12. Multiple first silicone pads 11 and multiple second silicone pads 12 are provided. By providing multiple silicone pads, the friction between the inner wall of the restraint band 1 and the patient's skin is increased, so that the restraint band 1 will not be easily pulled or moved, further improving the stability of the protection for the internal venous catheter.

[0030] The working principle and usage process of this utility model are as follows: When performing intravenous catheterization on a patient, medical staff attach the first arc plate 41 and the second arc plate 42 to the outside of the intravenous tubing 3 and then attach the two arc plates together. The intravenous tubing 3 is then engaged with the inner side of the tubing groove 223 on the end support plate of the positioning component 2, so that the first positioning sleeve 4, composed of the first arc plate 41 and the second arc plate 42, can engage with the inner side of the first slot 221 on the support plate. The medical staff then insert one end of the intravenous tubing 3 into a vein in the patient's limb. The restraint strap 1 on the outside of the positioning component 2 is then wrapped around the patient's limb and secured, so that the rigid protective plate 21 of the positioning component 2 is supported on the patient's limb by the support plates at both ends. This rigid protective plate 21 protects the outside of the tubing insertion position, improving the protection of the intravenous catheterization. Simultaneously, the engagement and positioning of the positioning sleeve and the slot prevent the intravenous tubing 3 from moving when pulled or pushed by external force, improving the stability of the intravenous catheterization. The overall structure is simple and easy to operate.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A venous catheterization auxiliary fixation device, including a restraint strap (1), characterized in that: The inner wall of the restraint strap (1) is fixedly connected to a positioning component (2). The positioning component (2) includes a rigid protective plate (21), a first support plate (22), and a second support plate (23). The rigid protective plate (21) is fixed to the middle of the inner wall of the restraint strap (1). One end of the rigid protective plate (21) is fixedly connected to the first support plate (22). The side wall of the first support plate (22) is provided with a first slot (221) and a second slot (222). The side wall of the first support plate (22) is provided with a pipe groove (223). 223) The first slot (221) and the second slot (222) are connected. A vein tube (3) is connected through the inner side of the tube slot (223). A first positioning sleeve (4) and a second positioning sleeve (5) are sleeved on the outer side of the vein tube (3). The first positioning sleeve (4) is located inside the first slot (221), and the second positioning sleeve (5) is located inside the second slot (222). The other end of the rigid protective plate (21) is fixedly connected to a second support plate (23). The second support plate (23) and the first support plate (22) have the same structure.

2. The intravenous catheterization auxiliary fixation device according to claim 1, characterized in that: The first positioning sleeve (4) includes a first arc plate (41) and a second arc plate (42). The first arc plate (41) has a first adhesive sticker (411) fixed on both ends of its sidewalls and a second adhesive sticker (412) fixed on the middle sidewall of its sidewall. The second arc plate (42) is attached to one side of the first arc plate (41). The second arc plate (42) and the first arc plate (41) have the same structure. The first arc plate (41) and the second arc plate (42) are located outside the vein (3). The second positioning sleeve (5) and the first positioning sleeve (4) have the same structure.

3. The intravenous catheterization auxiliary fixation device according to claim 2, characterized in that: One end of the restraint strap (1) is fixed with a first Velcro (13), and the other end of the restraint strap (1) is fixed with a second Velcro (14).

4. The intravenous catheterization auxiliary fixation device according to claim 3, characterized in that: The inner wall of the restraint strap (1) is fixedly connected with a first silicone pad (11) and a second silicone pad (12), and multiple first silicone pads (11) and second silicone pads (12) are provided.

5. The intravenous catheterization auxiliary fixation device according to claim 4, characterized in that: A blocking block (224) is fixed to the inner wall edge of the pipeline groove (223), and the blocking block (224) is made of elastic material.

6. The intravenous catheterization auxiliary fixation device according to claim 5, characterized in that: The first support plate (22) and the second support plate (23) are both made of elastic material, and the restraint strap (1) is made of transparent material.