Remaining needle fixing application
By setting up an arc-shaped membrane flap and a small arc notch on the indwelling needle fixation dressing, the problem of unstable fixation of the indwelling needle when used on uneven parts is solved, achieving a more stable fixation effect and reducing the risk of loosening and pressure injuries.
Patent Information
- Application Number
- CN202421884941.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-08-05
AI Technical Summary
When existing indwelling needle patches are used on uneven areas, they are prone to tension or pulling due to movement of the adhesive site, resulting in unstable fixation, increasing the risk of loosening, and affecting safety and reliability.
A fixation dressing for an indwelling needle is designed. The outer surface of the dressing body is provided with multiple arc-shaped membrane flaps and small arc-shaped recesses. The recesses are provided with easy-tear notches, which allow the shape of the adhesive to be adjusted as needed, reduce local tension and pressure, and enhance fixation stability.
By adjusting the shape of the adhesive, the occurrence of loosening and crushing of the indwelling needle is reduced, and the fixation stability and safety of the indwelling needle are improved.
Smart Images

Figure CN223336544U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical devices, and in particular relates to an indwelling needle fixing dressing. Background Art
[0002] An intravenous catheter, also known as an intravenous cannula, primarily consists of a core needle, catheter, handle, needle hub, extension tube, and positive pressure connector. During use, the core needle and catheter are inserted into the blood vessel together. Once the catheter is fully inserted, the core needle is withdrawn and a patch is used to secure the handle of the catheter, leaving only the flexible catheter in the blood vessel for infusion therapy. Subsequently, the catheter is connected to the infusion bottle via a Y-shaped or straight infusion connector. The medication is then delivered into the body through the connector, along the extension tube and catheter, completing the infusion therapy.
[0003] When using an IV catheter in some special parts, such as the ankle joint, elbow joint, armpit, neck, etc. of a child, the existing IV catheter patch is only a rectangular block. When it is applied to these parts of a child, the patch is too large, and the area where the IV catheter can be fixed is small, and the edges will bend down, which will not only increase the local tension and pressure, but also the tension or traction caused by uneven skin and movement of the adhesive part will cause the patch for fixing the IV catheter to deform, resulting in unstable fixation of the IV catheter, easy loosening of the IV catheter, and poor safety and reliability. Utility Model Content
[0004] (1) Technical problems to be solved
[0005] In response to the shortcomings of the existing technology, the purpose of the present invention is to provide a patch for fixing an indwelling needle. The patch is intended to solve the problem that when the existing indwelling needle is used in some uneven parts, the tension or traction caused by the movement of the adhesive part will cause the patch for fixing the indwelling needle to deform, resulting in unstable fixation of the indwelling needle, easy loosening of the indwelling needle, and poor safety and reliability.
[0006] (2) Technical solution
[0007] In order to solve the above technical problems, the utility model provides a dressing for fixing an indwelling needle, which includes a dressing body, the outer surface of which is provided with a plurality of arc-shaped membrane petals, a small arc-shaped recess is formed between two adjacent membrane petals, and the recess is provided with an easy-tear opening from the outside to the inside.
[0008] Preferably, the applicator body comprises a base film, the upper surface of the base film is provided with release paper, and the lower surface of the base film is provided with isolation paper.
[0009] Furthermore, the base film is a film with a transparent, smooth, and non-sticky surface layer, and an adhesive layer is provided on the lower surface of the base film.
[0010] Furthermore, the peel strength of the adhesive layer is not less than 1.0 N / cm, and the stickiness is not greater than 2.5 mm.
[0011] Furthermore, the length of the notch is 0.5 cm, and the length of the easy-tear opening is 1 cm.
[0012] Furthermore, the number of the membrane petals is four and the whole membrane petals are in the shape of a four-leaf clover.
[0013] Furthermore, the easy-tear opening is in an open shape.
[0014] Beneficial effects
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] The utility model can tear off the easy-tear edge and design the shape of the paste according to actual conditions, or tear it off and then paste it according to clinical needs. For example, when the release paper has not been completely torn off, the transparent base film is still supported on the top of the dressing, and the torn easy-tear edge will not curl. In addition, since the outer surface of the dressing is provided with multiple arc-shaped membrane petals, a small arc-shaped notch is formed between two adjacent membrane petals, which can be similar to the shape of a four-leaf clover. The tension or traction caused by local skin unevenness or activity will deform from the notch, and the bending of the edge will not increase the local tension and pressure, thereby making the fixation of the indwelling needle more stable, reducing the occurrence of the indwelling needle loosening or pressure injury, and being safe and reliable when used. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a front view structural schematic diagram of the present utility model.
[0018] Figure 2 It is a rear view structural schematic diagram of the present utility model.
[0019] Figure 3 This utility model Figure 1 Schematic diagram of the enlarged structure at point A in the middle.
[0020] Figure 4 It is a front view cross-sectional structural schematic diagram of the utility model.
[0021] Figure 5 This is a schematic structural diagram of the utility model with six membrane petals.
[0022] Figure 6 This is a schematic structural diagram of a plurality of membrane petals of the present invention.
[0023] The markings in the accompanying drawings are: 1. Applicator body; 2. Membrane flap; 3. Notch; 4. Tear-off notch; 101. Base film; 102. Release paper; 103. Isolation paper; 104. Adhesive layer. DETAILED DESCRIPTION
[0024] This specific embodiment is a fixed dressing with an indwelling needle, and its structural diagram is as follows Figures 1-6 As shown, the dressing is specially designed for fixing indwelling needles on uneven skin, such as children's ankle joints, elbow joints, armpits, neck, etc. It can also be used for fixing PICC, central venous catheters, drainage tubes, etc., including a dressing body 1. The outer surface of the dressing body 1 is provided with multiple arc-shaped membrane flaps 2, and a small arc-shaped recess 3 is formed between two adjacent membrane flaps 2. The provision of the recess 3 is more in line with the fixed needle wing, reducing the pressure on the needle seat and reducing the occurrence of crush injuries. The recess 3 is provided with an easy-tear opening 4 from the outside to the inside, and the easy-tear opening 4 is needle-shaped. The easy-tear opening 4 can be provided according to the needs of the fixed part. The easy-tear opening 4 can be torn open and then the indwelling needle can be fixed, thereby reducing the tension or traction caused by local skin unevenness or activity after fixation, making the indwelling needle fixation more stable and reducing the occurrence of loosening of the indwelling needle.
[0025] like Figure 1 and Figure 4 As shown: In this embodiment, the applicator body 1 includes a base film 101, a release paper 102 is provided on the upper surface of the base film 101, and a release paper 103 is provided on the lower surface of the base film 101.
[0026] In this way, the isolation paper 103 is peeled off, and then the release paper 102 is peeled off from the easy-tear opening 4. The patch is pasted on the puncture site through the adhesive layer 104 on the lower surface of the base film 101 to fix the indwelling needle.
[0027] like Figure 1 and Figure 2 As shown: In this embodiment, the base film 101 is a film with a transparent, smooth, and non-sticky surface layer, and an adhesive layer 104 is provided on the lower surface of the base film 101.
[0028] In this way, the adhesive layer 104 on the lower surface of the base film 101 is used to stick the patch to the puncture site to prevent the indwelling needle from loosening.
[0029] In this embodiment, the peel strength of the adhesive layer 104 is not less than 1.0 N / cm, and the stickiness is not greater than 2.5 mm. This arrangement fixes the indwelling needle more firmly, ensures adhesion, and is easy to remove.
[0030] like Figure 1 、 Figure 5 and Figure 6As shown: In this embodiment, the length of the notch 3 is 0.5 cm, the length of the tear-off notch 4 is 1 cm, the number of membrane flaps 2 is four and the overall shape is a four-leaf clover. Of course, the number of membrane flaps 2 is not limited, and it can also be a six-leaf clover or multi-leaf shape. In this way, when the local skin is uneven or the tension or traction caused by movement will deform from the notch 3, so that the fixation of the indwelling needle is more stable.
[0031] like Figure 1 and Figure 5 As shown: In this embodiment, the easy-tear opening 4 is in an open shape, so that the shape of the easy-tear opening 4 can be directly torn open and pasted according to actual conditions.
[0032] Working principle: After the indwelling needle puncture is completed, the isolation paper 103 is peeled off, and then the anti-inflammatory layer 106 is attached to the needle hole, and then the release paper 102 is peeled off from the easy-tear opening 4. The easy-tear opening 4 can also be torn off according to actual conditions to design the shape of the paste, or it can be torn off and then pasted and fixed according to clinical needs. For example, when the release paper 102 is not completely torn off, it is still supporting the transparent base film 101 above the dressing. The torn easy-tear opening 4 will not curl until it passes through the adhesive layer 100 on the lower surface of the base film 101. 4. The dressing is pasted on the puncture site and fixes the indwelling needle. After fixation, the outer surface of the dressing is provided with multiple arc-shaped membrane flaps 2, and a small arc-shaped notch 3 is formed between two adjacent membrane flaps 2, which can be similar to the shape of a four-leaf clover. The tension or traction caused by local skin unevenness or movement will deform from the notch 3. The bending of the edge will not increase the local tension and pressure, thereby making the indwelling needle more stable, reducing the occurrence of the indwelling needle loosening or pressure injury, and being safe and reliable when used.
[0033] All technical features in this embodiment can be freely combined according to actual needs.
[0034] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the scope of protection of the present invention.
Claims
1. A dressing for fixing an indwelling needle, comprising a dressing body (1), characterized in that: The outer surface of the dressing body (1) is provided with a plurality of arc-shaped membrane flaps (2), a small arc-shaped notch (3) is formed between two adjacent membrane flaps (2), and the notch (3) is provided with an easy-tear notch (4) from the outside to the inside.
2. The indwelling needle fixation dressing according to claim 1, characterized in that: The application body (1) comprises a base film (101), the upper surface of the base film (101) is provided with release paper (102), and the lower surface of the base film (101) is provided with isolation paper (103).
3. The indwelling needle fixation dressing according to claim 2, characterized in that: The base film (101) is a film with a transparent, smooth, and non-sticky surface layer, and an adhesive layer (104) is provided on the lower surface of the base film (101).
4. The indwelling needle fixation dressing according to claim 3, characterized in that: The peeling strength of the adhesive layer (104) is not less than 1.0 N / cm, and the stickiness is not greater than 2.5 mm.
5. The indwelling needle fixation dressing according to claim 1, characterized in that: The length of the notch (3) is 0.5 cm, and the length of the easy-tear notch (4) is 1 cm.
6. The indwelling needle fixation dressing according to claim 5, characterized in that: The number of the membrane petals (2) is four and the whole membrane petals are in the shape of a four-leaf clover.
7. The indwelling needle fixation dressing according to claim 6, characterized in that: The easy-tear opening (4) is in an open shape.