Antibacterial and hemostatic venous indwelling needle fixing patch

Abstract

The utility model discloses an antibacterial hemostasis venous indwelling needle fixing patch which comprises a base layer used for providing support, a hydrogel layer used for adsorbing overflowing blood and tissue fluid is arranged on one side of the base layer, and an adhesion layer used for providing adhesion force with skin is arranged on the side, away from the base layer, of the hydrogel layer. An inner core is further arranged at the center position of the side, away from the base layer, of the hydrogel layer, the adhesion layer is arranged on the peripheral side of the inner core, a PET film backing is arranged on the side, away from the hydrogel layer, of the base layer, and the fixing patch can be firmly adhered to the skin surface through the adhesion effect of hydrogel, so that the fixing patch can be firmly attached to the skin surface. Meanwhile, through the water absorption characteristic of the hydrogel, oozed blood is absorbed, hemostasis is effectively promoted, meanwhile, the growth of bacteria at the wound can be effectively inhibited, and the use safety of the venous indwelling needle and the treatment experience of a patient are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to indwelling needle fixing paste field, concretely relates to an antibacterial hemostatic intravenous indwelling needle fixing paste. BACKGROUND

[0002] The intravenous indwelling needle is an invasive medical device widely used in clinical medical treatment, and is mainly used for intravenous infusion, drug injection and blood sampling operations. The fixing of the intravenous indwelling needle usually needs to use a special fixing paste to ensure that the indwelling needle remains stable during the patient's activities and prevents displacement or falling off. However, the traditional fixing paste has the following main problems:

[0003] The hemostatic effect is not ideal: after puncture, there is usually a small amount of bleeding at the needle port, especially in the case of poor blood coagulation function of the patient, the bleeding situation may be more obvious. Most of the traditional fixing paste does not have hemostatic function, and cannot quickly absorb the bleeding, which may lead to the formation of a local wet environment, thereby further increasing the risk of infection.

[0004] Poor adhesion and fit: in actual use, the existing fixing paste often has problems of poor adhesion or falling off due to the patient's activities or the moisture on the skin surface, which increases the workload of nursing staff and may cause unnecessary pain to the patient.

[0005] In view of the above problems, the utility model provides an antibacterial hemostatic intravenous indwelling needle fixing paste which can absorb the bleeding at the needle port and has good adhesion and fit to the skin and tissue. UTILITY MODEL CONTENT

[0006] In order to overcome the defects in the prior art, the utility model provides an antibacterial hemostatic intravenous indwelling needle fixing paste, which can be firmly adhered to the skin surface by the adhesion of the hydrogel, maintains the fixation of the intravenous indwelling needle, absorbs the exuded blood through the water absorption property of the hydrogel, effectively promotes hemostasis, and can effectively inhibit the growth of bacteria at the wound.

[0007] TECHNICAL SCHEME

[0008] An antibacterial hemostatic intravenous indwelling needle fixing paste comprises a base layer for providing support, a hydrogel layer for absorbing exuded blood and tissue fluid is arranged on one side of the base layer, and an adhesion layer for providing adhesion to the skin is arranged on the side of the hydrogel layer away from the base layer.

[0009] Further, an inner core is arranged at the center part of the side of the hydrogel layer away from the base layer, and the adhesion layer is arranged on the circumferential side of the inner core.

[0010] Further, a PET film backing is arranged on the side of the base layer away from the hydrogel layer.

[0011] Further, two ends of the side of the PET film backing away from the base layer are pasted with adhesive strips capable of being torn off and used for fixing infusion tubes.

[0012] Further, the side of the adhesive layer away from the hydrogel layer is further provided with a release paper layer.

[0013] Further, the middle part of the side of the PET film backing away from the base layer is provided with a strip, and the outside of the strip is further pasted with an adhesive tape, and the part of the adhesive tape exceeding the strip is pasted on the PET film backing.

[0014] Further, the middle part of the PET film backing, the strip and the adhesive tape are cut with S-shaped incisions.

[0015] Further, the thickness of the hydrogel layer is 0.5-2 mm.

[0016] Further, the shape design of the fixing patch includes but is not limited to U-shaped, circular or elliptical.

[0017] Further, the main material of the hydrogel layer is polyacrylamide and chitosan with high water absorption and high adhesion, and the inner core is made of chitosan.

[0018] Further, the base layer is made of elastic polyurethane material to improve air permeability and flexibility.

[0019] Beneficial effects

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] Through the adhesion of the hydrogel, the fixing patch can be firmly adhered to the skin surface, and the fixation of the intravenous indwelling needle is maintained, and through the water absorption characteristics of the hydrogel, the exuded blood is absorbed, the hemostasis is effectively promoted, the growth of bacteria at the wound is effectively inhibited, and the use safety of the intravenous indwelling needle and the treatment experience of the patient are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure diagram of an antibacterial hemostatic intravenous indwelling needle fixing patch.

[0023] Figure 2 It is a bottom view. Figure 1

[0024] It is a drug sustained release diagram of a hydrogel layer. Figure 3

[0025] It is a bactericidal effect diagram of a hydrogel layer. Figure 4 ​

[0026] Reference Signs

[0027] PET film backing 1, hydrogel layer 2, inner core 3, release paper layer 4, adhesive tape 5, adhesive tape 6, strip 7, S-shaped cut 8, adhesive layer 9, substrate layer 10. DETAILED DESCRIPTION

[0028] In order to better illustrate the content of the utility model, the following will be combined with the drawings and the implementation examples to expand the description:

[0029] There are Figures 1-4 The utility model discloses an antibacterial hemostatic venous indwelling needle fixing patch, including the substrate layer 10 for providing support, one side of substrate layer 10 is provided with the hydrogel layer 2 for adsorbing overflow blood and tissue fluid, the far side of hydrogel layer 2 away from substrate layer 10 is provided with the adhesive layer 9 for providing the skin adhesion force.

[0030] Further, the far side of hydrogel layer 2 away from substrate layer 10 still is provided with inner core 3 at the central part, and adhesive layer 9 is arranged on the circumferential side of inner core 3.

[0031] Further, the far side of substrate layer 10 away from hydrogel layer 2 is provided with PET film backing 1.

[0032] Further, the far side of PET film backing 1 away from substrate layer 10 is pasted with adhesive tape 5 that can be torn down and be used for fixing infusion tube at both ends.

[0033] Further, the far side of adhesive layer 9 away from hydrogel layer 2 is still provided with release paper layer 4.

[0034] Further, the middle part of the far side of PET film backing 1 away from substrate layer 10 is provided with strip 7, and the outside of strip 7 is still pasted with adhesive tape 6, and the part of adhesive tape 6 beyond strip 7 is pasted on PET film backing 1.

[0035] Further, S-shaped cut 8 is cut in the middle part of adhesive tape 6, strip 7 and PET film backing 1.

[0036] Further, the thickness of hydrogel layer 2 is 0.5-2 millimeters, to ensure that there is enough adsorption capacity and comfort is not affected.

[0037] Further, the shape design of the fixing patch includes but is not limited to U-shaped, circular or oval, to adapt to the fixing needs of venous indwelling needle in different parts.

[0038] Further, the hydrogel layer 2 is added with an antibacterial agent, which is selected from nano-silver particles or quaternary ammonium salt compounds with broad-spectrum antibacterial properties and is uniformly dispersed in the hydrogel matrix through chemical bonding or physical combination.

[0039] Further, the main material of the hydrogel layer is polyacrylamide and chitosan with high water absorption and adhesion, and the inner core 3 is made of chitosan material.

[0040] Further, the adhesive layer 9 is made of medical-grade silicone material with low allergenicity and repeatable adhesion.

[0041] Further, the base layer 10 is made of non-woven fabric or elastic polyurethane material to improve air permeability and flexibility.

[0042] Further, the hydrogel layer further contains hemostatic components such as chitosan or fibrin to enhance the hemostatic effect.

[0043] Further, the fixation patch is stored in a sterile state in the package and can be sterilized as needed, the adsorption speed of the hydrogel layer 2 is within 10 seconds, the adsorption capacity is more than 20 times the weight, the release rate of the antibacterial agent is controllable, ensuring long-term antibacterial effect, the release time is more than 72 hours, the fixation patch has a skin-friendly design, including allergy test, non-irritation and low sensitivity, to adapt to different groups of people, the hydrogel layer of the fixation patch has self-healing performance, which can repair itself after slight damage, to prolong the service life.

[0044] Further, to improve the antibacterial performance of the hydrogel, the hydrogel is soaked in a solution containing a certain concentration of antibiotics, through diffusion, the antibiotics can be slowly released and penetrate into the skin, so as to continuously release antibacterial components on the wound surface, achieving long-term antibacterial effect.

[0045] Further, by adjusting the ratio of chitosan and polyacrylamide, the adhesion, tensile and fatigue resistance of the hydrogel layer 2 can be controlled, so as to optimize its hemostatic effect on the wound site.

[0046] Specifically, in use, the release paper layer 4 is torn off, the inner core 3 is aligned with the needle wound and the fixation patch is adhered through the adhesive layer 9, and then the PET film backing 1 is torn off through the S-shaped cut 8 at the strip 7.

[0047] At the same time, the adhesive strip 5 at the PET film backing 1 can be torn off and used to fix the infusion tube.

[0048] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the technical solutions of the present application are described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An antibacterial hemostatic intravenous indwelling needle fixation patch, characterized in that: The application relates to a fixing patch comprising a base layer (10) for providing support, one side of the base layer (10) being provided with a hydrogel layer (2) for absorbing overflow blood and tissue fluid, the side of the hydrogel layer (2) away from the base layer (10) being provided with an adhesive layer (9) for providing skin adhesion.

2. The antibacterial hemostatic venous indwelling needle fixing patch according to claim 1, characterized in that: The side of the hydrogel layer (2) away from the base layer (10) is further provided with an inner core (3) at the central part, and the adhesive layer (9) is arranged on the peripheral side of the inner core (3).

3. The anti-septic hemostatic intravenous indwelling needle fixing patch according to claim 2, characterized in that: The side of the base layer (10) away from the hydrogel layer (2) is provided with a PET film backing (1).

4. The anti-septic hemostatic intravenous indwelling needle fixing patch according to claim 3, characterized in that: The side of the PET film backing (1) away from the base layer (10) is pasted with adhesive strips (5) at both ends, which can be torn off and used for fixing infusion tubes.

5. The anti-septic hemostatic intravenous indwelling needle fixation patch according to claim 4, characterized in that: The side of the adhesive layer (9) away from the hydrogel layer (2) is further provided with a release paper layer (4).

6. The anti-septic hemostatic intravenous indwelling needle fixation patch according to claim 5, characterized in that: The middle part of the side of the PET film backing (1) away from the base layer (10) is provided with a strip (7), and the outer part of the strip (7) is further pasted with an adhesive tape (6), and the part of the adhesive tape (6) exceeding the strip (7) is pasted on the PET film backing (1).

7. The anti-microbial, hemostatic, intravenous, indwelling needle securement patch of claim 6, wherein: The middle part of the adhesive tape (6), the strip (7) and the PET film backing (1) are cut with S-shaped incisions (8).

8. The anti-microbial, hemostatic, intravenous, indwelling needle securement patch of claim 7, wherein: The thickness of the hydrogel layer (2) is 0.5-2 mm.

9. The anti-microbial, hemostatic, intravenous, indwelling needle securement patch of claim 8, wherein: The shape design of the fixing patch includes but is not limited to U-shaped, circular or elliptical shapes.

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