Disposable infusion port puncture needle fixing device

Abstract

The utility model relates to the technical field of infusion port puncture needle fixing, and discloses a disposable infusion port puncture needle fixing device which comprises an adhesion layer, a connecting layer is arranged on the top of the adhesion layer, first limiting pieces are movably connected to the two sides of the connecting layer respectively, and round through holes are formed in the middle of the adhesion layer and the middle of the connecting layer respectively. A circle of first hollow protrusions are evenly arranged on the outer side of the circular through hole of the connecting layer. The puncture needle can be connected with the skin of a patient through the adhesion layer, then the puncture needle is connected with an infusion port, and after the puncture needle is connected with the infusion port, the first limiting piece, the first center control protrusion, the first inserting column, the second hollow protrusion, the second inserting column and the second limiting piece are matched. The tail catheter of the puncture needle is conveniently limited and fixed, so that the stability of connection between the puncture needle and the infusion port is improved, and the situation that the puncture needle falls off or is not stably connected due to the external force is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to infusion port puncture needle fixing technical field, concretely is disposable infusion port puncture needle fixing device. BACKGROUND

[0002] The infusion port is a closed infusion device completely implanted in the human body, comprising a catheter part with a sharp end located in the superior vena cava and an injection seat implanted under the skin;

[0003] Before using the infusion port, a special infusion port puncture needle is used to penetrate the injection seat implanted under the skin, and then a transfusion device is connected to perform drug infusion. After the puncture needle penetrates the infusion port injection seat, the exposed butterfly wing and extension tube are higher than the skin surface and can move with external force, which can easily cause the catheter to come out. The existing fixing method for the infusion port puncture needle is mainly to cover it with a disposable adhesive film. Long-term adhesion can easily cause local skin allergy in patients, and the fixation is not firm, which can easily cause the infusion port needle to come out after being pulled by the skin moisture or external force. Especially during the infusion of chemotherapy drugs for tumor patients, the patient's activities cannot be absolutely limited, which can easily cause potential chemotherapy drug extravasation risk and harm to the patient.

[0004] Based on the above problems, there may be technical means in the prior art to solve the above technical problems. The present case wants to provide an alternative or replacement technical means. UTILITY MODEL CONTENT

[0005] To achieve the above purpose, the utility model realizes the following technical scheme:

[0006] The disposable infusion port puncture needle fixing device comprises a sticking layer, a connecting layer is arranged at the top of the sticking layer, first limiting sheets are movably connected to the two sides of the connecting layer, circular through holes are arranged in the middle part of the sticking layer and the connecting layer, a circle of first hollow protrusions is uniformly arranged outside the circular through hole of the connecting layer, first insertion columns corresponding to the first hollow protrusions are arranged at the top of the first limiting sheets, an expansion layer is arranged at the lower side of the sticking layer, an auxiliary limiting layer is arranged at the top of the expansion layer, and auxiliary fixing assemblies are arranged at the two sides of the top of the auxiliary limiting layer.

[0007] Preferably, the auxiliary fixing assembly comprises a limiting groove arranged on one side of the top of the auxiliary limiting layer, a second hollow protrusion is arranged on one side of the limiting groove, a second limiting sheet is rotatably connected to the other side of the limiting groove, and a second insertion column corresponding to the second hollow protrusion is arranged on one side of the top of the second limiting sheet.

[0008] Preferably, protrusions are arranged on the two sides of the inside of the first hollow protrusion and the second hollow protrusion, and tapered sheets are arranged on the top of the first insertion column and the second insertion column.

[0009] Preferably, each of the limiting grooves is composed of two elastic arc-shaped blocks.

[0010] Preferably, a rough layer is provided on one side of the first limiting piece.

[0011] Preferably, a gauze pad is provided on the back side of the adhesive layer and the expansion layer.

[0012] Beneficial effects

[0013] This utility model provides a disposable port-infusion needle fixation device, which has the following beneficial effects: In this technical solution, the needle can be connected to the patient's skin through an adhesive layer, and then the needle can be connected to the port-infusion device. After the needle is connected to the port-infusion device, the tail end of the needle can be conveniently fixed by the cooperation of the first limiting piece, the first central control protrusion, the first insertion post, the second hollow protrusion, the second insertion post, and the second limiting piece, thereby increasing the stability of the connection between the needle and the port-infusion device and preventing the needle from falling off or becoming unstable due to external force. Attached Figure Description

[0014] Figure 1 This is a front view of the unfolded structure of the disposable infusion port puncture needle fixation device of this utility model.

[0015] Figure 2 This is a front view closed structure schematic diagram of the disposable infusion port puncture needle fixation device of this utility model.

[0016] Figure 3 This is a cross-sectional view of the first hollow protrusion of the disposable infusion port puncture needle fixation device of this utility model.

[0017] Figure 4 This is a bottom view of the disposable port-of-care needle fixation device of the present invention.

[0018] Figure 5 This is a rear view structural diagram of the disposable infusion port puncture needle fixation device of this utility model.

[0019] In the figure: 1. Adhesive layer, 2. Connecting layer, 3. First limiting piece, 4. Circular through hole, 5. First hollow protrusion, 6. First insert post, 7. Expansion layer, 8. Auxiliary limiting layer, 9. Limiting groove, 10. Second hollow protrusion, 11. Second limiting piece, 12. Second insert post, 13. Rough layer, 14. Gauze pad. Detailed Implementation

[0020] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Embodiment

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: disposable infusion port puncture needle fixing device,

[0023] The utility model wants to provide a disposable infusion port puncture needle fixing device which is convenient to use, the existing infusion port puncture needle fixing effect is poor, and the use effect is poor,

[0024] Based on above problem, the component in the case includes adhesion layer 1, the top of adhesion layer 1 is provided with connecting layer 2, the both sides of connecting layer 2 are movably connected with first limit sheet 3, the middle part of adhesion layer 1 and connecting layer 2 is provided with round through hole 4, the outside of connecting layer 2 round through hole 4 is uniformly provided with a circle of first hollow convex 5, the top of first limit sheet 3 is provided with the first insertion column 6 corresponding with first hollow convex 5, the downside of adhesion layer 1 is provided with extension layer 7, the top of extension layer 7 is provided with auxiliary limit layer 8, the both sides of the top of auxiliary limit layer 8 are provided with auxiliary fixing assembly,

[0025] Auxiliary fixing assembly includes limit slot 9, limit slot 9 is arranged at the top of one side of auxiliary limit layer 8, the one side of limit slot 9 is provided with second hollow convex 10, the other side of limit slot 9 is rotatably connected with second limit sheet 11, the one side of the top of second limit sheet 11 is provided with the second insertion column 12 corresponding with second hollow convex 10,

[0026] It should be noted that before the patient is treated with chemotherapy, the infusion port needs to be implanted in the body to facilitate the access of drugs or liquids during the infusion process. The infusion port needs to be used with a puncture needle. Before the puncture needle is inserted into the infusion port, the medical staff first adheres the adhesion layer 1 to the patient's skin and makes the round through hole 4 provided in the middle part of the adhesion layer 1 and the connecting layer 2 correspond to the position of the infusion port. Then the puncture needle can be connected to the infusion port, and after the connection is completed, the tail tube of the puncture needle is staggered and inserted under the first hollow convex 5 on one side of the round through hole 4, and after the insertion is completed, the remaining tube is embedded in the limit slot 9,

[0027] At this time, the medical staff rotates the first limit sheet 3 on both sides of the connecting layer 2, so that the multiple first insertion columns 6 on the top of the first limit sheet 3 are inserted into the multiple first hollow convexes 5 on one side of the round through hole 4, thereby preliminarily limiting and fixing the tail tube of the puncture needle staggered and inserted under the first hollow convex 5 on one side of the round through hole 4. Then the operator rotates the second limit sheet 11 on one side of the top of the auxiliary limit layer 8, so that the second insertion column 12 on one side of the top of the second limit sheet 11 is connected to the second hollow convex 10, thereby completing the secondary fixation of the tail tube of the puncture needle. Finally, the tail tube of the puncture needle is stably fixed to prevent the puncture needle from being affected by external force after being connected to the infusion port, resulting in unstable connection or even falling off.

[0028] The first hollow convex 5 and the second hollow convex 10 are internally provided with protrusions on both sides, and the first insertion column 6 and the second insertion column 12 are provided with tapered pieces on the top, wherein the tapered pieces can be changed as a whole, after the first insertion column 6 is inserted into the first hollow convex 5, the tapered pieces will be clamped with the protrusions inside the first hollow convex 5, so as to realize the connection between them, and after use, the medical staff can also pull out the first insertion column 6;

[0029] The limiting grooves 9 are composed of two elastic arc-shaped blocks, the elastic arc-shaped blocks can be elastically deformed, so as to conveniently limit and fix the tail pipe of the puncture needle, the first limiting piece 3 is provided with a rough layer 13 on one side, so as to conveniently rotate the first limiting piece 3 by the medical staff, and the sticking layer 1 and the expansion layer 7 are provided with gauze pads 14 on the back side, the gauze pads 14 have the advantages of skin-friendly and breathable, and can increase the comfort of the patient after wearing the puncture needle.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A disposable infusion port puncture needle fixation device, comprising an adhesive layer, characterized in that, A connecting layer is provided on the top of the adhesive layer. First limiting pieces are movably connected to both sides of the connecting layer. Circular through holes are provided in the middle part of both the adhesive layer and the connecting layer. A ring of first hollow protrusions is uniformly provided on the outer side of the circular through holes of the connecting layer. A first insert post corresponding to the first hollow protrusion is provided on the top of the first limiting piece. An expansion layer is provided on the lower side of the adhesive layer. An auxiliary limiting layer is provided on the top of the expansion layer. Auxiliary fixing components are provided on both sides of the top of the auxiliary limiting layer.

2. The disposable port-of-care puncture needle fixation device according to claim 1, characterized in that, The auxiliary fixing component includes a limiting groove, which is disposed on one side of the top of the auxiliary limiting layer. A second hollow protrusion is provided on one side of the limiting groove, and a second limiting piece is rotatably connected to the other side of the limiting groove. A second insert corresponding to the second hollow protrusion is provided on one side of the top of the second limiting piece.

3. The disposable port-of-care puncture needle fixation device according to claim 2, characterized in that, Both the first hollow protrusion and the second hollow protrusion have protrusions on both sides inside, and both the first and second inserts have conical plates on their tops.

4. The disposable port-of-care puncture needle fixation device according to claim 3, characterized in that, Each of the limiting grooves is composed of two elastic arc-shaped blocks.

5. The disposable port-of-care puncture needle fixation device according to claim 4, characterized in that, A rough layer is provided on one side of the first limiting piece.

6. The disposable port-of-care puncture needle fixation device according to claim 5, characterized in that, A gauze pad is provided on the back side of the adhesive layer and the expansion layer.

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