Special needle pad for infusion port puncture

By designing a special needle pad with a visible space and adhesive area, the problems of obstructing vision and friction caused by existing needle pads have been solved, thus improving safety and comfort.

CN223641121UActive Publication Date: 2025-12-09CHANGSHA FIRST HOSPITAL
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Patent Information

Application Number
CN202422552981.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-12-09
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Existing specialized needle pads for port-a-cath puncture can obstruct the operator's view during use, increasing the risk of needlestick injuries related to needle removal. Furthermore, tearing the tape may pull on the lateral flap of the port-a-cath puncture, causing friction between the puncture site and subcutaneous tissue, resulting in discomfort for the patient.

Method used

A special needle pad was designed, which includes an upper gauze pad and a lower gauze pad. By folding the infusion tubes placed in front of and behind the lower gauze pad and the butterfly needle placement openings in front of and behind the upper gauze pad, a visible space is left, reducing blind spots. The butterfly needle is fixed with an adhesive area to reduce its movement and prevent friction and discomfort.

Benefits of technology

It reduces the risk of needlestick injuries associated with needle removal, minimizes movement and friction of the infusion port puncture needle, and improves the safety of the procedure and patient comfort.

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Abstract

The utility model discloses a special needle pad for infusion port puncture, which relates to the technical field of medical supplies and comprises an upper-layer gauze pad, the left side of the upper-layer gauze pad is fixedly connected with an anti-abrasion pad component, and the middle of the right side of the upper-layer gauze pad is fixedly connected with a fixing component. Butterfly wing needle placing openings I are formed in the middle of the front and rear parts of the upper-layer gauze pad; an infusion tube containing opening is formed in the rear portion between the anti-abrasion pad assembly and the upper-layer gauze pad, and a foldable opening is formed in the front portion between the anti-abrasion pad assembly and the upper-layer gauze pad. The fixing assembly comprises a first transparent base layer, and the top of the first transparent base layer is fixedly connected with a non-adhesive area. According to the special needle pad for puncture of the infusion port, infusion tubes in front of and behind the lower gauze pad are placed in the butterfly wing needle placing openings I in front of and behind the upper gauze pad, so that a visual space is reserved when the special needle pad is folded in half, a visual blind area is reduced when an operator withdraws a needle, and the risk of needle injury related to needle withdrawal is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical supplies technical field, especially a special needle pad for infusion port puncture. BACKGROUND

[0002] Infusion port puncture refers to the use of a special puncture needle to access an infusion port implanted in the body for drug infusion or blood withdrawal. To improve the safety, accuracy and comfort of puncture, special needle pad technology has emerged. The infusion port is an implantable device, usually consisting of a small metal or polymer cavity and a catheter leading to the vein. During treatment, drugs or blood are delivered through the skin. It is mainly used for patients who need long-term intravenous therapy, such as cancer patients and critically ill patients. Compared with traditional intravenous infusion, infusion port can reduce the pain and risk of infection caused by repeated puncture.

[0003] For example, the patent number CN219539102U discloses a special film for fixing infusion port butterfly needle and injection seat, which belongs to the technical field of medical devices. It includes a square film body, which includes infusion tube film parts and butterfly needle film parts arranged in sequence along the infusion flow direction. The butterfly needle film part and the infusion tube film part are connected at one end with a U-shaped / half-circular opening for the infusion tube. The infusion tube film part includes first and second infusion tube film assemblies arranged on both sides of the opening. The first and second infusion tube film assemblies have first and second side edges arranged opposite to each other, and the first and / or second side edges extend horizontally to form a triangular extension. The utility model has the advantages of simple structure, reasonable design, reduced gap between the film body and the infusion tube and butterfly needle, increased adhesion area with the butterfly needle and adhesion degree with the infusion tube tail, good fixation effect, strong practicality and high safety.

[0004] The existing special needle pad for infusion port puncture has the following problems:

[0005] The existing special needle pad for infusion port puncture blocks the operator's view when pulling out the needle, reducing the risk of needle stick injury. When tearing the adhesive tape, the side butterfly wings of the infusion port puncture are pulled, causing friction and irritation to the subcutaneous tissue, causing discomfort to the patient. SUMMARY

[0006] The utility model provides a special needle pad for infusion port puncture to solve the problems in the background technology.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme:

[0008] The utility model provides a special needle pad for infusion port puncture, including the upper layer gauze pad, the left side fixed connection of upper layer gauze pad has the wear -resistant pad subassembly, the right side middle fixed connection of upper layer gauze pad has the fixed component, the front and back middle of upper layer gauze pad all is provided with butterfly wing needle placement mouth no.

[0009] The rear between the wear-resistant pad subassembly and the upper layer gauze pad is provided with an infusion tube placement opening, and the front between the wear-resistant pad subassembly and the upper layer gauze pad is provided with a foldable opening.

[0010] The fixed component includes a transparent base layer one, the top of the transparent base layer one is fixedly connected with a glue-free area, the top of the transparent base layer one is provided with a glue area two near the right side, and the surface of the glue-free area is adhered to the left middle of the wear-resistant pad subassembly.

[0011] Preferably, the wear-resistant pad subassembly includes a lower gauze pad, the lower gauze pad is provided with infusion tube placements in front and back, and the infusion tube placements are folded corresponding to the butterfly wing needle placement openings one in front and back, the right side of the lower gauze pad is provided with a butterfly wing needle placement opening two near the middle, and the inner wall of the butterfly wing needle placement opening two is pasted to the surface of the glue-free area.

[0012] Preferably, the top of the lower gauze pad is fixedly connected with a glue body component near the right side of the front, the top of the lower gauze pad is provided with an adhering area near the left side of the front, and the bottom left side of the glue body component is adhered to the surface of the adhering area.

[0013] Preferably, the bottom corners of the lower gauze pad are provided with air-permeable adhesive tapes, the air-permeable adhesive tapes are distributed in left and right positions away from the front and back infusion tube placements, the bottom of the lower gauze pad is pasted with an adjusting layer, and the thickness of the adjusting layer can be divided into multiple.

[0014] Preferably, the glue body component includes a transparent base layer two, the bottom of the transparent base layer two is fixedly connected with a glue area one, and the bottom of the glue area one is fixedly connected with a transparent tear-off tab.

[0015] Preferably, the glue area one is located near the middle of the bottom of the transparent base layer two, and the area of the glue area one is larger than that of the two sides.

[0016] Preferably, the folding thickness of the upper layer gauze pad and the lower gauze pad is between 1-2 cm.

[0017] Due to the adoption of the above technical scheme, the technical progress achieved by the utility model relative to the prior art is:

[0018] 1. The utility model provides a special needle pad for infusion port puncture, the infusion tube placements in front and back of lower gauze pad are placed in butterfly wing needle placement openings one in front and back of upper layer gauze pad, and when folding, visual space is left, the visual field blind area when the operator pulls out the needle is reduced, and the risk of needle stick injury related to pulling out the needle is reduced.

[0019] 2. The utility model provides a special needle pad for infusion port puncture, tear off, utilize the pair of butterfly wing puncture needle of middle adhesive area, close to infusion tube pasting adjustment fixed position, reduce its activity, prevent the effect of bringing the patient discomfort. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic drawing of the utility model;

[0021] Figure 2 It is the fixed assembly expansion structure schematic drawing of the utility model;

[0022] Figure 3 It is the anti-abrasion pad assembly structure schematic drawing of the utility model;

[0023] Figure 4 It is the fixed assembly structure schematic drawing of the utility model;

[0024] Figure 5 It is the breathable adhesive tape expansion structure schematic drawing of the utility model.

[0025] In the drawing: 1, anti-abrasion pad assembly; 11, lower gauze pad; 12, infusion tube placement; 13, butterfly needle placement port two; 14, adhesive area; 15, adhesive component; 151, transparent base layer two; 152, adhesive area one; 153, transparent tear tape; 16, breathable adhesive tape; 17, adjustment layer; 2, upper gauze pad; 3, fixed assembly; 31, transparent base layer one; 32, adhesive area two; 33, glue-free area; 4, butterfly needle placement port one; 5, infusion tube placement port; 6, foldable port. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0027] As shown in Figure 1 , Figure 2 , a special needle pad for infusion port puncture, including upper gauze pad 2, the left side of upper gauze pad 2 is fixedly connected with anti-abrasion pad assembly 1, the right side of upper gauze pad 2 is fixedly connected with fixed assembly 3, the front and rear of upper gauze pad 2 are both provided with butterfly needle placement port one 4, the rear between anti-abrasion pad assembly 1 and upper gauze pad 2 is provided with infusion tube placement port 5, the front between anti-abrasion pad assembly 1 and upper gauze pad 2 is provided with foldable port 6, fixed assembly 3 includes transparent base layer one 31, the top of transparent base layer one 31 is fixedly connected with glue-free area 33, the top of transparent base layer one 31 is provided with adhesive area two 32 close to the right side, the surface of glue-free area 33 is adhered to the left side of anti-abrasion pad assembly 1.

[0028] By folding the upper gauze pad 2 from the foldable opening 6, the butterfly wing puncture needle is placed in the front opening of the wear-resistant pad assembly 1, and then folded and covered by the butterfly wing needle placement opening 4, and the glue area 32 is folded and fixed, so that the glue-free area 33 is fixed on the left side of the wear-resistant pad assembly 1, preventing inertia opening, which is not conducive to releasing both hands, and the effect of pasting transparent dressing around the later stage.

[0029] As shown in Figure 3 , the wear-resistant pad assembly 1 comprises a lower gauze pad 11, and the front and rear of the lower gauze pad 11 is provided with an infusion tube placement 12, and the infusion tube placement 12 corresponds to the front and rear butterfly wing needle placement opening 4, and the right side of the lower gauze pad 11 is provided with a butterfly wing needle placement opening 13 near the middle, and the inner wall of the butterfly wing needle placement opening 13 is pasted with the surface of the glue-free area 33.

[0030] Through the infusion tube placement 12 in front of and behind the lower gauze pad 11 and the butterfly wing needle placement opening 4 in front of and behind the upper gauze pad 2, a visual space is left when folding, reducing the visual blind area of the operator when pulling out the needle, reducing the risk of needle stick injury related to pulling out the needle, and the butterfly wing needle placement opening 13 provided on the right side of the lower gauze pad 11 near the middle plays a role in assisting the glue-free area 33 to be fixed.

[0031] As shown in Figure 3 , the top of the lower gauze pad 11 is fixedly connected with the glue body assembly 15 near the right side of the front, and the top of the lower gauze pad 11 is provided with a bonding area 14 near the left side of the front, and the bottom left side of the glue body assembly 15 is bonded with the surface of the bonding area 14.

[0032] Through the combination of the glue body assembly 15 and the bonding area 14, the top end position of the butterfly wing puncture needle can be fixed, and the movement of the infusion tube can be reduced, and the influence on the needle can be reduced.

[0033] As shown in Figure 5 , the bottom corners of the lower gauze pad 11 are provided with air-permeable adhesive tape 16, and the air-permeable adhesive tape 16 is distributed on the left and right sides away from the front and rear infusion tube placement 12, and the bottom of the lower gauze pad 11 is pasted with an adjusting layer 17, and the thickness of the adjusting layer 17 can be divided into multiple.

[0034] Through the air-permeable adhesive tape 16 on the bottom corners of the lower gauze pad 11, it is tightly attached to the skin surface, and the upper gauze pad 2 and the wear-resistant pad assembly 1 are wrapped and fixed, reducing the movement of the infusion port puncture needle, and when the transparent adhesive around is pulled, the puncture needle in the middle part is not stable, which can reduce the friction and irritation of the local surrounding subcutaneous tissue and the film, and the pain of the patient when pulling out the needle, and at the same time, the adjusting layer 17 at the bottom can replace the thickness of the adjusting layer 17, solve the gap between the patient's skin and the needle wing, effectively prevent the patient from accidentally colliding with the puncture needle in daily life, avoid the puncture needle to pierce the base of the infusion port, so as to cause more serious damage to the patient.

[0035] AsFigure 4 As shown in the figure, the colloid assembly 15 includes a transparent base layer two 151, the bottom of which is fixedly connected with a glue area one 152, and the bottom of the glue area one 152 is fixedly connected with a transparent tear-off patch 153.

[0036] By tearing off the transparent tear-off patch 153, the middle glue area one 152 is used to adjust and fix the top side of the butterfly wing puncture needle, reduce its activity, and prevent the patient from being uncomfortable.

[0037] As shown in the figure, Figure 4 The glue area one 152 is located at the bottom of the transparent base layer two 151 near the middle position, and the size of the area of the glue area one 152 is greater than that of the two sides.

[0038] The middle larger area is convenient for pasting and adjusting the fixed position near the infusion tube.

[0039] As shown in the figure, Figure 3 The folding thickness of the upper gauze pad 2 and the lower gauze pad 11 is between 1-2 CM.

[0040] The folding thickness of the upper gauze pad 2 and the lower gauze pad 11 is between 1-2 CM, so that the two butterfly wings of the butterfly wing puncture needle are better protected from contact and friction with the skin.

[0041] The working principle of the utility model is: after puncture, the anti-abrasion pad assembly 1 is fixed on the skin by using the four-corner breathable adhesive tape 16, then the infusion port is punctured, placed on the top of the lower gauze pad 11, and the front infusion tube is placed at 12, so that the upper gauze pad 2 and the lower gauze pad 11 wrap the infusion port puncture, realize the isolation of the skin, and the glue-free area 33 is pasted at the butterfly wing needle placement port two 13 to realize the fixing effect, which is convenient for finally pasting the transparent dressing around.

[0042] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model. These changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A special needle pad for port-a-cath puncture, comprising an upper gauze pad (2), characterized in that: The upper gauze pad (2) is fixedly connected to the left side of the anti-wear pad assembly (1), and the upper gauze pad (2) is fixedly connected to the middle of the right side of the upper gauze pad (2) with a fixing assembly (3). The upper gauze pad (2) is provided with butterfly needle placement openings (4) at the front and back middle. An infusion tube placement port (5) is provided at the rear between the anti-wear pad assembly (1) and the upper gauze pad (2), and a foldable opening (6) is provided at the front between the anti-wear pad assembly (1) and the upper gauze pad (2). The fixing component (3) includes a transparent base layer (31), the top of which is fixedly connected to a non-adhesive area (33), and the top of the transparent base layer (31) is provided with an adhesive area (32) near the right side. The surface of the non-adhesive area (33) is bonded to the middle left side of the anti-wear pad component (1).

2. The special needle pad for port-a-cath puncture according to claim 1, characterized in that: The anti-wear pad assembly (1) includes a lower gauze pad (11), with infusion tube placement (12) arranged at the front and back of the lower gauze pad (11), and the infusion tube placement (12) folds and corresponds to the front and back butterfly needle placement port one (4). A butterfly needle placement port two (13) is arranged on the right side of the lower gauze pad (11) near the middle, and the inner wall of the butterfly needle placement port two (13) is pasted to the surface of the non-adhesive area (33).

3. A special needle pad for port-a-cath puncture according to claim 2, characterized in that: The top of the lower gauze pad (11) is fixedly connected to the right side near the front, and the top of the lower gauze pad (11) is provided with an adhesive area (14) near the left side of the front. The bottom left side of the adhesive component (15) is adhered to the surface of the adhesive area (14).

4. A special needle pad for port-a-cath puncture according to claim 2, characterized in that: The bottom of the lower gauze pad (11) is provided with breathable adhesive tape (16) at each of the four corners, and the breathable adhesive tape (16) is distributed on the left and right sides that are far apart from the front and rear infusion tubes (12). The bottom of the lower gauze pad (11) is attached with an adjustment layer (17), and the thickness of the adjustment layer (17) can be divided into multiple layers.

5. A special needle pad for port-a-cath puncture according to claim 3, characterized in that: The colloid component (15) includes a second transparent base layer (151), the bottom of which is fixedly connected to an adhesive area (152), and the bottom of which is fixedly connected to a transparent peel-off patch (153).

6. A special needle pad for port-a-cath puncture according to claim 5, characterized in that: The adhesive area one (152) is located at the bottom of the transparent base layer two (151) near the middle, and the area of ​​the adhesive area one (152) is larger than the areas on both sides.

7. A special needle pad for port-a-cath puncture according to claim 2, characterized in that: The folded thickness of the upper gauze pad (2) and the lower gauze pad (11) should be between 1-2 cm.

Citation Information

Patent Citations

  • Special pasting film for fixing butterfly wing needle and injection seat of infusion port

    CN219539102U