Indwelling needle patch
By introducing an absorbent layer and a pre-drilled groove design into the indwelling needle dressing, the problem of bleeding or exudate accumulation is solved, enabling rapid absorption and fixation, reducing the risk of wound infection, and improving the ease of operation and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI PROVINCIAL HOSPITAL
- Filing Date
- 2025-02-21
- Publication Date
- 2026-06-12
AI Technical Summary
Existing indwelling needle dressings cannot effectively absorb blood or exudate at the needle insertion site, leading to exudate accumulation and increasing the risk of wound infection.
An indwelling needle dressing was designed, comprising a main dressing layer, an absorbent layer, and an anti-adhesive isolation layer. The absorbent layer has a pre-reserved groove and uses gelatin sponge as the absorbent material, which can quickly absorb and lock in blood or exudate. The elastic support facilitates the dressing operation and fixation.
It effectively absorbs and locks in blood or exudate, keeps the puncture site clean and dry, reduces the risk of wound infection, simplifies the procedure, and improves the stability of the dressing.
Smart Images
Figure CN224345239U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical supplies, and in particular to an indwelling needle dressing. Background Technology
[0002] An indwelling needle dressing is a medical product used to secure an indwelling needle and protect the puncture site. The dressing firmly fixes the needle to the patient's skin, preventing displacement or dislodgement. Simultaneously, the dressing covers the puncture site, reducing external bacterial contamination and lowering the risk of infection.
[0003] Indwelling needle dressings are designed primarily to provide a sterile, sealed environment to protect the puncture site, prevent external bacterial invasion, and reduce the risk of infection. The dressings are typically made of adhesive materials that adhere closely to the patient's skin, ensuring the fixation and stability of the indwelling needle.
[0004] Existing indwelling needle dressings cannot absorb bleeding or exudate at the needle insertion site. The bleeding or exudate will accumulate inside the dressing and cannot be effectively absorbed or drained. In the absence of timely dressing replacement, the risk of wound infection is increased. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides an indwelling needle dressing that solves the problem that existing indwelling needle dressings cannot absorb blood or exudate at the needle insertion site. Blood or exudate accumulates inside the dressing and cannot be effectively absorbed or drained, increasing the risk of wound infection when the dressing cannot be changed in a timely manner.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model is implemented through the following technical solution.
[0009] An indwelling needle dressing includes: a dressing body layer; an absorbent layer disposed at the bottom of the dressing body layer; and a pre-reserved groove for accommodating an indwelling needle tip is formed on the absorbent layer.
[0010] In one embodiment, the dressing body layer includes an elastic support member disposed on top of the dressing body layer.
[0011] In one embodiment, the main body layer of the dressing further includes an anti-adhesion isolation layer, which is disposed at the bottom of the main body layer of the dressing.
[0012] Preferably, the number of the anti-adhesion isolation layers is two or four, and the adsorption layer is disposed between the anti-adhesion isolation layers and the main adhesive layer.
[0013] In one embodiment, the main body layer of the dressing further includes: a border protective paper disposed on top of the main body layer of the dressing.
[0014] Preferably, there are two protective sheets for the border, and the elastic support is disposed between the two protective sheets for the border.
[0015] In one embodiment, the adsorption layer is disposed between the anti-adhesive isolation layer and the adhesive substrate layer.
[0016] Preferably, the absorbent layer includes, but is not limited to, gelatin sponge.
[0017] In one embodiment, the elastic support member includes, but is not limited to, an elastic rod disposed on top of the adhesive substrate layer.
[0018] Preferably, the elastic rod is a plastic rod.
[0019] In one embodiment, the adhesive substrate layer further includes a film and an adhesive, the adhesive being attached to the film.
[0020] In another embodiment, the dressing body layer further includes a label mounted on top of the dressing body layer.
[0021] In a preferred embodiment, the indwelling needle dressing is generally rounded rectangular in shape.
[0022] (III) Beneficial Effects
[0023] This invention provides an indwelling needle dressing. Compared with the prior art, it has the following advantages:
[0024] This application proposes an indwelling needle dressing, comprising: a dressing body layer; an absorbent layer installed at the bottom of the dressing body layer; the absorbent layer having a pre-reserved groove; by using the absorbent layer, it can quickly absorb and lock in blood or exudate at the needle hole, effectively preventing it from accumulating inside the dressing, helping to keep the puncture site clean and dry, and also reducing the risk of wound infection. Attached Figure Description
[0025] 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 only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0026] Figure 1 This is a three-dimensional structural diagram of the indwelling needle dressing in this utility model.
[0027] Figure 2 This is a three-dimensional structural diagram of the indwelling needle dressing from another perspective of the present invention.
[0028] Figure 3 This is a schematic diagram of the structure of the adhesive substrate layer and the absorbent layer of this utility model.
[0029] Figure 4 This is a schematic diagram of the indwelling needle dressing in the open state of this utility model.
[0030] Figure 5 This is a schematic diagram showing the indwelling needle dressing in this utility model from another perspective in its open state.
[0031] Figure 6 This is a schematic diagram of the main layer and label structure in Embodiment 2 of this utility model.
[0032] Figure 7 This is a schematic diagram of the structure of the rounded rectangular indwelling needle dressing in Embodiment 3 of this utility model.
[0033] The attached figures are labeled as follows:
[0034] 100. Main layer; 200. Adsorption layer; 201. Reserved groove; 300. Anti-sticking isolation layer; 400. Elastic support; 500. Edge protective paper; 600. Label. Detailed Implementation
[0035] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. 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.
[0036] Example 1:
[0037] Reference Figures 1-6 An indwelling needle dressing includes: a dressing body layer 100; an absorbent layer 200 installed at the bottom of the dressing body layer 100; a pre-reserved groove 201 provided on the absorbent layer 200; and an elastic support member 400 installed at the top of the dressing body layer 100.
[0038] In this embodiment, the absorbent layer 200 is made of a material with excellent blood-absorbing properties, which can quickly absorb and lock in blood or exudate at the puncture site, keeping the puncture site clean and dry. This reduces the risk of wound infection and improves patient comfort.
[0039] In one embodiment, preferably, a gelatin sponge is used as the absorbent layer 200. This absorbs blood and exudate, creating local pressure on the bleeding surface to achieve hemostasis, thus playing a positive role in reducing bleeding at the indwelling needle insertion site. The gelatin sponge has good softness and conformability, reducing irritation to the patient's skin and improving patient comfort. The pre-drilled groove 201 provides space for the indwelling needle, and the absorbent layer 200 surrounds the needle without causing excessive bulging of the dressing in the needle insertion area.
[0040] In actual use, after the indwelling needle core is inserted into the blood vessel, the length of the tubing remaining outside is only 0-3mm, so the length of the pre-reserved groove 201 should not be too long. In addition, in order to further ensure the effect of absorbing blood and exudate, the adsorption layer 200 of the pre-reserved groove 201 should maintain a certain thickness to ensure the adsorption effect.
[0041] The elastic support 400 provides elastic support for the main dressing layer 100. The operator can open the anti-adhesion isolation layer 300 at the bottom of the main dressing layer 100 with one hand and apply the main dressing layer 100 to the patient's skin. During operation, the operator's thumb and middle finger hold both ends of the main dressing layer 100, i.e., both ends of the elastic support 400, while the index finger presses against and squeezes the middle part of the elastic support 400. (Refer to...) Figure 4 and Figure 5 As shown, the main dressing layer 100 bends in the opposite direction (bending away from the dressing surface that is attached to the patient's skin) under the action of the elastic support 400. At the same time, the two anti-adhesion isolation layers 300 can detach from the main dressing layer 100, exposing the absorbent layer 200. The absorbent layer 200 can be aligned with the position of the indwelling needle and then attached. The two anti-adhesion isolation layers 300 are then peeled off from both ends of the main dressing layer 100, freeing up the operator's other hand to fix the position of the indwelling needle.
[0042] Reference Figure 2 and Figure 4 An anti-adhesion isolation layer 300 is installed at the bottom of the main application layer 100; the number of anti-adhesion isolation layers 300 is two or four. The adsorption layer 200 is disposed between the anti-adhesion isolation layer 300 and the main application layer 100.
[0043] The anti-adhesion release layer 300 prevents the patch from sticking to air or other objects before use, thus maintaining its adhesiveness and ensuring that the absorbent layer 200 is not contaminated. During use, this anti-adhesion release paper or film is removed so that the patch can adhere tightly to the patient's skin.
[0044] In a preferred embodiment, the anti-adhesive isolation layer 300 is medical release paper, which mainly serves to prevent adhesion to other adhesive substances (for example, the two main dressing layers 100 may stick to each other), and also protects the adsorption layer 200 from external contamination.
[0045] Reference Figure 1 , Figure 2 , Figure 4-6 The aforementioned indwelling needle dressing also includes a protective paper 500, which is installed on top of the dressing body layer 100; there are two protective papers 500, and the elastic support 400 is disposed between the two protective papers 500.
[0046] The aforementioned protective paper 500 can further enhance the fixation and stability of the dressing, helping it to better adhere to the patient's skin. After the dressing is applied to the patient's skin, the protective paper 500 can be peeled off.
[0047] Reference Figure 1 and Figure 4 The elastic support 400 includes, but is not limited to, a plastic rod, which is installed on top of the main dressing layer 100. The plastic rod has good elasticity and toughness, and can quickly recover its shape after being bent, and can quickly recover its deformation after the dressing is bent in the opposite direction.
[0048] In one embodiment, the dressing body layer 100 further includes a film and an adhesive bonded to the film. The film is a transparent or translucent polyurethane film, and the adhesive is a hypoallergenic adhesive. The dressing body is designed to provide a sterile, sealed environment to protect the puncture site from external bacterial invasion. Simultaneously, the dressing body also offers good comfort and stretchability to adapt to the patient's skin movement and changes.
[0049] Example 2:
[0050] Reference Figure 6 The difference between this embodiment and embodiment one is that in this embodiment, the above-mentioned main body layer 100 further includes a label 600, which is installed on the top of the main body layer 100.
[0051] The tag 600 in this embodiment can record the patient's indwelling needle dressing information, such as the patient's name and the time of indwelling needle dressing.
[0052] Example 3:
[0053] During clinical procedures, the corners of the indwelling needle dressing are the most prone to or the first to curl. In this embodiment, to minimize the risk of the indwelling needle dressing falling off or bacterial invasion due to curling, the indwelling needle dressing is preferably shaped as a rounded rectangle. See [reference needed] for details. Figure 7 .
[0054] The following is a brief introduction to the principle and method of using an indwelling needle dressing proposed in this application:
[0055] Ensure the indwelling needle dressing packaging is intact and undamaged, check the production date and expiration date, and confirm the dressing is sterile. Clean the patient's skin at the puncture site, removing grease, dirt, and hair, ensuring the skin is dry and clean. Prepare the necessary medical supplies such as the indwelling needle, disinfectant, and sterile gloves. Select an appropriate puncture point on the patient's skin, disinfect with disinfectant, perform the intravenous puncture, and properly secure the indwelling needle. The healthcare worker holds both ends of the main dressing layer 100 (i.e., both ends of the elastic support 400) with one hand, using their index finger to press and squeeze the middle part of the elastic support 400, causing the main dressing layer 100 to bend in the opposite direction. At the same time, the two anti-adhesion isolation layers 300 detach from the main dressing layer 100, exposing the absorbent layer 200. Align the absorbent layer 200 with the position of the indwelling needle, ensuring that the pre-reserved groove 201 covers the indwelling needle to prevent the dressing from bulging. During the application process, the two anti-adhesion isolation layers 300 will peel off from both ends of the main dressing layer 100, ensuring that the dressing adheres tightly to the patient's skin. Use the other hand to fix the position of the indwelling needle to ensure that the dressing is stable and does not fall off. The absorbent layer 200 can quickly absorb and lock in any blood or exudate at the puncture site, keeping the puncture site clean and dry.
[0056] Record the patient's name, indwelling needle placement time, and other key information on the label 600 of the main dressing layer 100. Regularly observe the puncture site and the condition of the dressing, checking for signs of bleeding, oozing, redness, swelling, or infection. If the dressing becomes contaminated, falls off, or any abnormalities occur at the puncture site, replace it with a new indwelling needle dressing immediately. When changing or removing the dressing, prepare sterile cotton swabs, disinfectant, and other necessary items. Gently peel off one side of the dressing, avoiding pulling or damaging the puncture site. Use a sterile cotton swab dipped in disinfectant to clean the skin at the puncture site, removing any residual adhesive and dirt. Perform subsequent wound care or medical attention according to the patient's specific condition.
[0057] In summary, compared with the prior art, the indwelling needle dressing proposed in this application has the following beneficial effects:
[0058] By employing an absorbent layer, it can quickly absorb and lock in blood or exudate at the puncture site, effectively preventing its accumulation inside the dressing. This helps keep the puncture site clean and dry, and also reduces the risk of wound infection.
[0059] By rationally designing the reserved groove, the absorbent layer can be tightly wrapped around the indwelling needle, preventing the dressing from bulging. The design of the elastic support allows the operator to open the anti-adhesive isolation layer at the bottom of the main dressing layer with one hand and apply the main dressing layer to the patient's skin surface, simplifying the operation process. The elastic support also provides sufficient support to ensure that the dressing remains stable after application and is not easy to fall off.
[0060] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0061] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended 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. An indwelling needle dressing, characterized in that, include: Apply the main body layer (100); An absorbent layer (200) is disposed at the bottom of the adhesive base layer (100); The adsorption layer (200) has a reserved groove (201) for accommodating the indwelling needle.
2. The indwelling needle dressing according to claim 1, characterized in that, The main body layer (100) includes: An elastic support (400) is disposed on top of the adhesive body layer (100).
3. The indwelling needle dressing according to claim 1, characterized in that, The main body layer (100) further includes: An anti-adhesion isolation layer (300) is disposed at the bottom of the adhesive body layer (100).
4. The indwelling needle dressing according to claim 3, characterized in that, The number of the anti-adhesion isolation layer (300) is two or four, and the adsorption layer (200) is disposed between the anti-adhesion isolation layer (300) and the main body layer (100).
5. The indwelling needle dressing according to claim 2, characterized in that, The main body layer (100) further includes: A protective paper (500) is placed on top of the main body layer (100) and is connected to an elastic support (400).
6. The indwelling needle dressing according to claim 5, characterized in that, The number of the edge protective paper (500) is two, and the elastic support (400) is disposed between the two edge protective papers (500).
7. The indwelling needle dressing according to claim 4, characterized in that, The adsorption layer (200) includes: The adsorption layer (200) is disposed between the anti-adhesion isolation layer (300) and the adhesive substrate layer (100).
8. The indwelling needle dressing according to claim 7, characterized in that, The adsorption layer (200) comprises a gelatin sponge.
9. The indwelling needle dressing according to claim 2, characterized in that, The elastic support (400) includes: an elastic rod.
10. The indwelling needle dressing according to claim 1, characterized in that, The main body layer (100) further includes: A label (600) is installed on top of the dressing body layer (100).