Fixing device for venous indwelling needle

By designing a fixation device for indwelling intravenous needles, using a combination of contact pads, viewing windows, and elastic bands, the problems of skin damage and observation difficulties caused by fixation of indwelling needles and PICC lines were solved, achieving stable fixation and convenient observation.

CN223969337UActive Publication Date: 2026-03-06BEIJING SHIJITAN HOSPITAL CAPITAL MEDICAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

In the existing technology, the fixation method of indwelling needles and PICC lines can easily cause skin damage in patients with allergies. At the same time, it is difficult for medical staff to observe the condition of indwelling needles or PICC lines, which affects subsequent operations.

Method used

A fixation device for indwelling intravenous needles was designed, including a contact pad, a viewing window, an elastic band, and a fixing pad. Fixation is achieved by the rebound force of the elastic band, and the viewing window facilitates observation. The sealing pad prevents liquid from entering. Deformable and elastic materials are used to accommodate individual differences and for waterproofing.

Benefits of technology

It achieves stable fixation of indwelling needles or PICC lines, avoids skin damage, facilitates observation by medical staff, prevents fluid ingress, adapts to individual patient differences, and improves operational convenience.

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Abstract

The utility model relates to the field of medical instruments, in particular to a venous indwelling needle fixing device which comprises a contact pad, a visual window is arranged in the contact pad, a through hole is formed in the contact pad, an elastic band is arranged in the through hole, and the two ends of the elastic band extend to the outer portion of the contact pad to be connected with fixing pads. The surfaces of the two fixing pads are detachably connected to form a closed ring; the contact pad is placed on the skin surface of a patient, at the moment, the remaining needle or the PICC tube is located at the visual window, then the fixing pads on the two sides are pulled to bypass the patient to achieve connection, at the moment, the contact pad is fixed through the resilience force of the contact elastic band, and then the remaining needle or the PICC tube is fixed. In the process, the remaining needle is fixed, and meanwhile medical staff can observe the situation of the remaining needle or the PICC tube through the visual window.
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Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to a fixation device for an indwelling intravenous needle. Background Technology

[0002] With the development of intravenous diagnostic and treatment technologies, more and more people realize that for patients requiring long-term intravenous infusions, indwelling intravenous catheters and PICC lines can protect their infusion safety. An indwelling intravenous catheter consists of a stainless steel core, a soft outer cannula, and a plastic needle hub. During insertion, the outer cannula and needle core are inserted into the blood vessel together. After the cannula is advanced, the needle core is withdrawn, leaving only the soft outer cannula in the blood vessel for infusion. However, how to properly secure and protect the catheter after insertion has long been a problem that has troubled many.

[0003] In standard practice, indwelling needles are usually secured with adhesive tape, and PICC lines are also secured with multiple layers of tape. However, due to individual differences among patients, using tape to secure the catheter in patients with allergies may cause skin damage around the catheter dressing, which is detrimental to the patient's health. In such cases, some patients privately use a small half-sock to secure the indwelling needle or PICC line. While this may avoid the occurrence of allergies in patients with allergies, it makes it difficult for medical staff to observe the condition of the indwelling needle or PICC line, which in turn hinders subsequent procedures. Utility Model Content

[0004] This application provides a fixation device for indwelling intravenous needles to address the inventor's understanding that routine procedures typically involve fixing indwelling needles with adhesive tape, and PICC lines are also fixed with multiple layers of tape. However, due to individual differences among patients, using fixation tape for patients with allergies may cause skin damage around the catheter dressing, which is detrimental to the patient's health. In such cases, some patients privately use small half-length socks to fix the indwelling needle or PICC line, which can avoid the occurrence of allergic reactions, but it is difficult for medical staff to observe the condition of the indwelling needle or PICC line, thus hindering subsequent operations.

[0005] This application provides a fixation device for indwelling intravenous needles, including a contact pad, a viewing window provided inside the contact pad, a perforation provided inside the contact pad, an elastic band provided inside the perforation, and two ends of the elastic band extending to the outside of the contact pad and connected to fixing pads. The surfaces of the two fixing pads are detachably connected and form a closed ring.

[0006] In any of the above technical solutions, the front side of the contact pad is provided with a connector fixing strap, and the other end of the connector fixing strap is detachably connected to the front side of the contact pad.

[0007] In any of the above technical solutions, the connector fixing band is further provided with an opening inside.

[0008] In any of the above technical solutions, a sealing gasket is further provided on the back of the contact pad.

[0009] In any of the above technical solutions, both the contact pad and the fixing pad are made of deformable material.

[0010] In any of the above technical solutions, both the elastic band and the sealing gasket are made of elastic material.

[0011] In any of the above technical solutions, the viewing window is further made of a transparent elastic material or a deformable transparent plastic material.

[0012] In any of the above technical solutions, the surfaces of the two fixing pads are further detachably connected by Velcro, hooks, snaps or snap fasteners.

[0013] In any of the above technical solutions, the other end of the connector fixing strap is detachably connected to the front of the contact pad via Velcro, hook, buckle or snap fastener.

[0014] In any of the above technical solutions, the number of the joint fixing straps is at least one.

[0015] The main benefits of this application are:

[0016] 1. Place the contact pad on the patient's skin surface. At this time, the indwelling needle or PICC tube is located in the viewing window. Then, pull the two fixing pads around the patient to make connection. At this time, the rebound force of the contact elastic band will fix the contact pad, thereby fixing the indwelling needle or PICC tube. During this process, while fixing the indwelling needle, medical staff can observe the status of the indwelling needle or PICC tube through the viewing window.

[0017] 2. After fixation, the sealing gasket is compressed, which effectively prevents liquid from entering the indwelling needle or PICC line and causing adverse effects on the patient. The connector fixing strap can fix the connector to the contact pad to prevent the connector from accidentally touching or pulling the indwelling needle or PICC line and causing adverse effects.

[0018] It should be understood that the foregoing general description and the following detailed description are for illustrative purposes only and do not necessarily limit the scope of this application. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of this application. Furthermore, the specification and drawings serve to explain the principles of this application. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the fixing device structure according to an embodiment of this application. Figure 1 (Front view);

[0021] Figure 2 This is a schematic diagram of the fixing device structure according to an embodiment of this application. Figure 2 (Front view);

[0022] Figure 3 This is a schematic diagram of the fixing device structure in the embodiments of this application. Figure 2 (Front view sectional view);

[0023] Figure 4 This is a schematic diagram of the fixing device structure in the embodiments of this application. Figure 1 (Rear view).

[0024] icon:

[0025] 100 - Contact pad; 101 - Viewing window; 102 - Elastic band; 103 - Fixing pad; 104 - Connector fixing band; 105 - Opening; 106 - Sealing gasket. Detailed Implementation

[0026] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this application, but not all embodiments.

[0027] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0028] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" 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 between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0030] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 One or more embodiments provide a fixation device for an indwelling intravenous needle, including a contact pad 100, a viewing window 101 provided inside the contact pad 100, a perforation provided inside the contact pad 100, an elastic band 102 provided inside the perforation, both ends of the elastic band 102 extending to the outside of the contact pad 100 and connected to fixing pads 103, the surfaces of the two fixing pads 103 being detachably connected and forming a closed ring.

[0031] In this embodiment, the contact pad 100 is placed on the patient's skin surface, with the indwelling needle or PICC line located at the viewing window 101. Then, the two fixing pads 103 are pulled around the patient to achieve connection. The elastic force of the contact elastic band 102 then fixes the contact pad 100, thereby fixing the indwelling needle or PICC line. During this process, while the indwelling needle is fixed, medical personnel can observe the status of the indwelling needle or PICC line through the viewing window 101. The contact pad 100 can slide on the surface of the elastic band 102, allowing for position adjustment to accommodate individual patient differences and fixation positions, thus increasing the number of patients the device can be used on. The structural dimensions can be adjusted to accommodate changes in the fixation position, all of which fall within the scope of this application. For example, when it needs to be fixed in front of the chest, the length of the elastic band 102 can be increased, and the contact pad 100 can be placed in a suitable position on the chest and then fixed by diagonal draping of the fixing pad 103.

[0032] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 In some embodiments, the front side of the contact pad 100 is provided with a connector fixing band 104, the other end of the connector fixing band 104 is detachably connected to the front side of the contact pad 100, the inside of the connector fixing band 104 is provided with an opening 105, the back side of the contact pad 100 is provided with a sealing gasket 106, and the number of connector fixing bands 104 is at least one.

[0033] In this embodiment, the connector is placed at the structural fixing strap, and then the connector fixing strap 104 and the contact pad 100 are connected. At this time, the connector fixing strap 104 will apply a squeezing force to the connector to fix it. The opening 105 can reduce the production materials and thus reduce the production cost. When the contact pad 100 is fixed to the indwelling needle or PICC tube, the sealing pad 106 is in a compressed state, which effectively avoids the adverse effects of liquid entering the indwelling needle or PICC tube position on the patient. At the same time, it also prevents liquid from entering the indwelling needle or PICC tube position when the patient touches the liquid during hand washing or other situations, thus avoiding the impact on the patient.

[0034] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 In some embodiments, both the contact pad 100 and the fixing pad 103 are made of deformable material, both the elastic band 102 and the sealing gasket 106 are made of elastic material, the viewing window 101 is made of transparent elastic material or deformable transparent plastic material, the surfaces of the two fixing pads 103 are detachably connected by Velcro, hooks, buckles or snap fasteners, and the other end of the connector fixing band 104 is detachably connected to the front of the contact pad 100 by Velcro, hooks, buckles or snap fasteners.

[0035] In this embodiment, the contact pad 100 and fixing pad 103 are made of deformable materials to ensure smooth fixing. To ensure waterproofing, the contact pad 100 can be made of elastic waterproof material or have a waterproof coating. The elastic band 102 and sealing gasket 106 are made of materials including, but not limited to, rubber, silicone, and latex. The viewing window 101 is made of transparent elastic material or deformable transparent plastic material to ensure smooth fixing and allow medical personnel to observe the indwelling needle or PICC line. The connection between the two fixing pads 103 and the connection between the connector fixing band 104 and the contact pad 100 are preferably made of Velcro. The structures of the contact pad 100, fixing pad 103, elastic band 102, sealing gasket 106, and viewing window 101 are not limited to the structures described above. The connection structures between the two fixing pads 103 and between the connector fixing band 104 and the contact pad 100 are not limited to the structures described above.

[0036] Specifically, the working principle of the fixation device for indwelling intravenous needles provided in this application is as follows:

[0037] Place the contact pad 100 on the patient's skin surface. At this time, the indwelling needle or PICC tube is located at the viewing window 101. Then, pull the two fixing pads 103 around the patient to achieve connection. At this time, the rebound force of the contact elastic band 102 fixes the contact pad 100, thereby fixing the indwelling needle or PICC tube. At this time, the sealing pad 106 is in a compressed state, effectively preventing liquid from entering the indwelling needle or PICC tube position and causing adverse effects on the patient. During this process, while fixing the indwelling needle, medical staff can observe the status of the indwelling needle or PICC tube through the viewing window 101.

[0038] At the same time, the connector is placed at the structural fixing belt, and then the connector fixing belt 104 and the contact pad 100 are connected. At this time, the connector fixing belt 104 will apply a compressive force to the connector to fix it.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application 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 or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A fixation device for an indwelling intravenous needle, characterized in that, The utility model provides a contact pad, which comprises a contact pad, a visual window is arranged in the contact pad, a through hole is formed in the contact pad, an elastic band is arranged in the through hole, and two fixing pads are connected to the two ends of the elastic band and extend to the outside of the contact pad, the surfaces of the two fixing pads are detachably connected and form a closed ring.

2. The securement device of claim 1, wherein the needle hub is configured to be secured to the catheter adapter by a friction fit. The front surface of the contact pad is provided with a joint fixing band, and the other end of the joint fixing band is detachably connected to the front surface of the contact pad.

3. The securement device of claim 2, wherein the needle hub is configured to be secured to the catheter adapter by a friction fit. The inside of the joint fixing band is provided with an opening.

4. The securement device of claim 1, wherein the needle hub is configured to be secured to the catheter hub by a friction fit. The back surface of the contact pad is provided with a sealing pad.

5. The securement device of claim 1, wherein the needle hub is configured to be secured to the catheter hub by a friction fit. The contact pad and the fixing pad are made of a deformable material.

6. The securement device of claim 4, wherein the needle hub is configured to be secured to the catheter adapter by a friction fit. The elastic band and the sealing pad are made of an elastic material.

7. The securement device of claim 1, wherein the needle hub is configured to be secured to the catheter hub by a friction fit. The visual window is made of a transparent elastic material or a deformable transparent plastic material.

8. The securement device of claim 1, wherein the needle hub is configured to be secured to the catheter hub by a friction fit. The surfaces of the two fixing pads are detachably connected through magic tape, hooks, buckles or snap fasteners.

9. The securement device of claim 3, wherein the needle hub is configured to be secured to the catheter adapter by a friction fit. The other end of the joint fixing band is detachably connected to the front surface of the contact pad through magic tape, hooks, buckles or snap fasteners.

10. The securement device of claim 2, wherein the needle hub is configured to be secured to the catheter adapter by a friction fit. The number of the joint fixing bands is at least one.