Self-pressing safety high indwelling needle fixing adhesive tape

Abstract

The utility model relates to high pressure contrast transfusion technical field, especially a kind of indwelling needle fixing adhesive tape of self-pressing high safety, including sticking layer, the sticking layer is used to be attached to skin surface and limit puncture needle in puncture position;Tube sticking part, the tube sticking part is set at one side of sticking layer, after pressing wing part, pressure will gel or water agent be pressed into gas film interlayer, at this time, sticking part is inflated under pressure, the wrinkle area on PU film can be positioned in the use, help medical staff to needle mouth insertion point, make sticking part be located in the position of needle insertion point, in addition, when sticking part is inflated under pressure, it can provide movable space for sticking part, can make sticking part be closely attached in the position of needle insertion mouth, provide the pressure of hemostasis, when internal pressure is too much, and sticking layer is attached to skin and relatively tight, can be inflated through wrinkle area, release excess pressure, ensure the completeness of sticking.

Description

Technical Field

[0001] This utility model relates to the field of high-pressure contrast injection technology, and in particular to a self-pressurizing, highly secure indwelling needle fixation tape. Background Technology

[0002] High-pressure contrast injection involves injecting contrast agent into the patient's body using a high-pressure contrast injector. Indwelling needle fixation tape is used to secure the indwelling needle. During high-pressure contrast injection, commonly used fixation tape is generally used to further secure the needle wings. However, clinical observations have revealed differences in the flow rate and pressure of high-pressure infusions compared to conventional infusions. This can lead to the following issues: First, due to pressure and adhesion, needle deviation or even dislodgement is possible. Second, if pressure is not applied promptly or for insufficient duration after removing the cannula following the examination, severe bleeding can occur. Utility Model Content

[0003] The purpose of this invention is to provide a self-pressurizing, highly secure indwelling needle fixing tape to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a self-pressurizing, high-safety indwelling needle fixing tape, comprising:

[0005] An adhesive layer, which is used to adhere to the skin surface and restrict the puncture needle at the puncture site;

[0006] The tube patch is disposed on one side of the adhesive layer and is used to adhere the needle to the skin surface. The tube patch includes a U-shaped reinforcing adhesive strip and a U-shaped PU film, and the U-shaped PU film is connected to the adhesive layer.

[0007] A skin-friendly layer is fixed to the adhesive layer by a reinforcing layer. The skin-friendly layer is inclined from both sides to the middle position, and a soft layer made of skin-friendly material is provided in the middle position of the skin-friendly layer.

[0008] The adhesive portion is disposed within a pre-reserved circular opening in the middle of the skin-friendly layer, and one side of the adhesive portion contacts the inner surface of the adhesive layer, while the other side of the adhesive portion protrudes and exposes the middle surface of the skin-friendly layer.

[0009] Release paper, which covers the adhesive surface of the adhesive layer and covers the bonding portion.

[0010] Furthermore, the adhesive layer includes a PU film, the PU film is configured as a wrinkled area at the position of the bonding portion, and the PU film is provided with a puncture alignment port near the tube bonding portion.

[0011] Furthermore, the skin-friendly layer includes two opposing wing portions disposed on the surface of the reinforcing layer, and each wing portion has a film channel disposed on its inner side, the film channel being connected to the bonding portion.

[0012] The side wings, located on either side of the needle's path, limit the needle's range of motion, providing some protection. Additionally, the side wings ensure a slight curvature fit to the arm. After injection, removing the PU film is easier; when removing the tubing adhesive strip, the U-shaped reinforcing adhesive strip and the U-shaped PU film are peeled off simultaneously. When the U-shaped adhesive strip is pressed against the infusion tubing, the U-shaped PU film adheres to the tubing, keeping it in place.

[0013] Furthermore, the side wing portion includes an airbag membrane, a connecting strip, and a pressure chamber within the airbag membrane. The airbag membrane has a folding groove formed by hot pressing on one side of the tube-attached portion. The inner wall of the airbag membrane has a pre-reserved opening that connects to and communicates with the folding release channel, which is connected to the film channel.

[0014] Furthermore, the tube-attached portion is also fixedly connected with a connecting rib, one end of which is fixedly connected to the connecting strip, and the other end of the connecting strip is fixedly connected to the inner wall crease of the folded release channel through a tension band membrane.

[0015] Furthermore, the folding release channel is a plastic tube sleeve with both ends connected. After the inner wall of the folding release channel is filled with glue, it is flattened and glued, and then folded in half at the middle position. One end of the tension band film forms an integral part with the fold.

[0016] It needs further explanation that the folded release channel is a connected channel. It needs to be formed after the infusion is completed. The stored gas is used to fuse the gel with the adhesive portion. Considering that this folded release channel needs good separation effect, fast separation speed, and small footprint, when the outer tube adhesive is peeled off, the connecting ribs pull the folded area through the connecting strip and tension band membrane. It should be noted that the side of the folded release channel away from the connecting strip forms a whole with the airbag membrane. After effectively generating tensile force, the tension band membrane can separate the adhesive-coated inner wall of the folded release channel from the flattened adhesive area, thus forming a connected path. See [link / reference] for details. Figure 9 As shown, this illustrates the forming method of the folded release channel.

[0017] In addition, you can also refer to Figure 10The folded release channel is made of a single sheet of film. First, point C and point B are brought into contact and then hot-pressed. Then, the midpoint between point C and point B is brought into contact with the point where point C and point B coincide. The inside is glued together. The film is then stretched and evenly contacted on the top and bottom sides to form a closed folded release channel.

[0018] Furthermore, the bonding portion includes an air film separator, which is connected to the film channel. The inner wall of the air film separator has pores on the side away from the PU film. An isolation layer, a loose hydrophilic layer, and an antibacterial contact layer are sequentially adhered to the pore side of the air film separator.

[0019] The adhesive portion is designed to allow for the filling of gel or liquid within the membrane channel. By pressing down the side wings, air pressure forces the gel or liquid into the air membrane diaphragm. The adhesive portion then bulges under pressure. The pleats on the PU membrane help medical personnel locate the needle insertion point, ensuring the adhesive portion is positioned at the insertion site. Furthermore, the bulging of the adhesive portion under pressure provides a gap for movement, allowing it to adhere tightly to the needle insertion site and provide hemostatic pressure. Additionally, if there is excessive internal air pressure or the adhesive layer is too tight against the skin, the bulging of the pleats releases excess pressure, ensuring the integrity of the adhesion.

[0020] It needs to be reiterated that the membrane channel restricts and connects the adhered portion. In other words, the air-membrane separator and the membrane channel are integrally formed to receive air pressure, allowing the adhered portion to move. This also ensures the connection effect of the adhered portion, preventing it from detaching, and maintaining its mobility. The isolation layer is adhered to one side of the air-membrane separator. The isolation layer is a perforated rigid plate, which can be a rigid membrane sheet, used to shape the overall fit of the adhered portion, increasing the contact rate when the adhered portion comes into contact with the skin. The loose hydrophilic layer is a sponge with large pores, filled with chitosan, thrombin, and other powders. The antibacterial contact layer has good absorption properties. Gel or liquid can be squeezed into the loose hydrophilic layer and the antibacterial contact layer. The good absorption properties of the antibacterial contact layer prevent the medication from concentrating on the skin and causing discomfort. The loose hydrophilic layer, after absorbing moisture, mixes with chitosan and thrombin, achieving rapid hemostasis.

[0021] The technical effects and advantages of this utility model are as follows:

[0022] 1. The side wings are located on both sides of the needle's path, limiting the needle's range of motion and providing some protection. Additionally, the side wings ensure a proper fit to the arm's curvature. After injection, removing the PU film is easier; the U-shaped adhesive strip, when pressed onto the infusion tubing, secures the tubing in place.

[0023] 2. By incorporating an adhesive section, pressing down the side wings forces the gel or liquid into the air membrane diaphragm. The adhesive section then bulges under pressure. The pleats on the PU membrane help medical personnel locate the needle insertion point, ensuring the adhesive section is positioned at the insertion site. Additionally, the bulging of the adhesive section provides a gap for movement, allowing it to adhere tightly to the needle insertion site and provide hemostatic pressure. If the internal air pressure is excessive or the adhesive layer is too tight against the skin, the bulging of the pleats releases excess pressure, ensuring the integrity of the adhesion. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the present invention;

[0025] Figure 2 This is a rear view of the present invention;

[0026] Figure 3 This is a schematic diagram of the polymer layer of this utility model;

[0027] Figure 4 This is a schematic diagram of the bonding portion and the film channel of this utility model;

[0028] Figure 5 This is a schematic diagram of the wing portion of this utility model;

[0029] Figure 6 This is a partial cross-sectional view of the wing portion of this utility model;

[0030] Figure 7 This utility model Figure 6 Enlarged view of point A in the middle;

[0031] Figure 8 This is a schematic diagram of the bonding part of this utility model;

[0032] Figure 9 This is a schematic diagram of the first forming method of the stacked release channel of this utility model;

[0033] Figure 10 This is a schematic diagram of the second forming method of the stacked release channel of this utility model.

[0034] In the picture:

[0035] 1. Adhesive layer; 11. PU film; 12. Wrinkled area; 13. Puncture alignment port; 2. Reinforcing layer; 3. Skin-friendly layer; 31. Polymer layer; 32. Side wing portion; 321. Airbag membrane; 322. Folding groove; 323. Connecting strip; 324. Pressure chamber; 325. Folding release channel; 326. Tension band membrane; 33. Film channel; 4. Release paper; 5. Connecting rib; 6. Tube bonding portion; 61. U-shaped reinforcing adhesive strip; 62. U-shaped PU film; 7. Bonding portion; 71. Air membrane partition; 72. Isolation layer; 73. Loose hydrophilic layer; 74. Antibacterial contact layer. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0037] Reference Figures 1 to 10 The self-pressing, high-security indwelling needle fixing tape shown includes:

[0038] Adhesive layer 1, which is used to adhere to the skin surface and restrict the puncture needle at the puncture site;

[0039] The tube patch 6 is disposed on one side of the adhesive layer 1. The tube patch 6 is used to adhere the needle to the skin surface. The tube patch 6 includes a U-shaped reinforcing adhesive strip 61 and a U-shaped PU film 62. The U-shaped PU film 62 is connected to the adhesive layer 1.

[0040] The skin-friendly layer 3 is fixed to the adhesive layer 1 by the reinforcing layer 2. The skin-friendly layer 3 is inclined from both sides to the middle position, and a soft layer made of skin-friendly material is provided in the middle position of the skin-friendly layer 3. The skin-friendly layer 3 includes two opposing side wings 32 provided on the surface of the reinforcing layer 2. A film channel 33 is provided on the inner side of each side wing 32. The film channel 33 is connected to the bonding part 7. The side wing 32 includes an airbag membrane 321, a connecting strip 323, and a pressure chamber 324 in the airbag membrane 321. The airbag membrane 321 is provided with a folding groove 322 formed by folding and hot pressing on one side of the tube bonding part 6. An opening is reserved in the inner wall of the airbag membrane 321 to connect and penetrate the folding release channel 325. The folding release channel 325 is connected to the film channel 33.

[0041] The side wings 32 are located on both sides of the needle tip, which can limit the range of needle tip movement and provide protection to a certain extent. In addition, the side wings 32 can also ensure a certain curvature fit with the arm. After the injection is completed, it is easier to remove the PU film 11. The PU film 11 has skin-friendly adhesive and adheres to the skin. When the tube patch 6 is removed, the U-shaped reinforcing adhesive strip 61 and the U-shaped PU film 62 are removed simultaneously. When the U-shaped reinforcing adhesive strip 61 is pressed on the infusion tube, the U-shaped PU film 62 sticks the infusion tube and keeps it fixed. In actual use, the needle can also be bent upward in the cavity between the tube patch 6 and the adhesive layer 1. In this way, the pressure generated during the injection of high-pressure contrast fluid will not cause the needle to detach from the skin. Because the U-shaped reinforcing adhesive strip 61 restricts the bent infusion tube, the infusion tube generates a force towards the needle. Since the PU film 11 binds the needle, the bent part of the needle can resist the bending force under the restriction of the U-shaped PU film 62 and the PU film 11. When the needle becomes loose during the injection process, the bending force will work with the tube patch 6 to push the needle against the skin.

[0042] The folding release channel 325 is a plastic tube sleeve with both ends connected. After the inner wall of the folding release channel 325 is filled with glue, it is flattened and glued, and then folded in half at the middle position. One end of the tension band film 326 forms a whole with the fold.

[0043] The tube-attached part 6 is also fixedly connected with a connecting rib 5. One end of the connecting rib 5 is fixedly connected to the connecting strip 323, and the other end of the connecting strip 323 is fixedly connected to the inner wall crease of the folding release channel 325 through the tension band membrane 326.

[0044] It should be further explained that the folded release channel 325 is a connected channel. It needs to be formed after the infusion is completed, using the stored gas to fuse the gel with the adhesive portion 7. Considering that the folded release channel 325 needs good separation effect, fast separation speed, and small footprint, when the outer tube adhesive portion 6 is peeled off, the connecting rib 5 pulls the folded area through the connecting strip 323 and the tension band membrane 326. It should be noted that the side of the folded release channel 325 away from the connecting strip 323 forms an integral part with the airbag membrane 321. After effectively generating a tensile force, the tension band membrane 326 can separate the glued area of ​​the inner wall of the folded release channel 325 after it has been filled with adhesive and flattened, thus forming a connected path. See the specific details below. Figure 9 As shown, this illustrates the forming method of the folded release channel 325.

[0045] In addition, you can also refer to Figure 10The folded release channel 325 is a whole film. First, point C and point B are brought into contact and then hot-pressed. Then, the midpoint between point C and point B is brought into contact with the point where point C and point B coincide. The inside is glued together. The tension belt film 326 is brought into contact with the upper and lower sides evenly, thus forming the closed folded release channel 325.

[0046] The bonding portion 7 is located in the round opening reserved in the middle of the skin-friendly layer 3, and one side of the bonding portion 7 is in contact with the inner side of the adhesive layer 1, while the other side of the bonding portion 7 protrudes and exposes the middle surface of the skin-friendly layer 3. The bonding portion 7 includes an air membrane partition 71, which is connected to the film channel 33. The inner wall of the air membrane partition 71 is provided with pores on the side away from the PU film 11. On the side of the air membrane partition 71 with pores, an isolation layer 72, a loose hydrophilic layer 73, and an antibacterial contact layer 74 are sequentially adhered.

[0047] The adhesive layer 1 includes a PU film 11. The PU film 11 is positioned at the bonding portion 7 and is configured as a wrinkled area 12. The PU film 11 is provided with a puncture alignment port 13 near the tube bonding portion 6.

[0048] By providing the adhesive portion 7, it should be noted that the membrane channel 33 can be filled with gel or liquid. After pressing the side wing portion 32, the air pressure forces the gel or liquid into the air membrane septum 71. At this time, the adhesive portion 7 will bulge under pressure. The pleated area 12 on the PU membrane 11 can help medical staff to position the needle insertion point during use, so that the adhesive portion 7 is located at the needle insertion point. In addition, when the adhesive portion 7 bulges under pressure, it can provide a space for movement, so that the adhesive portion 7 can be tightly attached to the needle insertion point to provide hemostatic pressure. Furthermore, when the internal air pressure is too high, or when the adhesive layer 1 is too tight on the skin, the pleated area 12 can bulge to release excess pressure and ensure the integrity of the adhesion.

[0049] It should be reiterated that the film channel 33 restricts and connects the bonding portion 7. In other words, the air-film separator 71 is integrally formed with the film channel 33 to receive air pressure, allowing the bonding portion 7 to move. It also ensures the connection effect of the bonding portion 7, preventing it from detaching, and maintains its mobility. The isolation layer 72 is adhered to one side of the air-film separator 71. The isolation layer 72 is a perforated rigid plate, which can be a rigid membrane sheet, used to shape the overall bonding portion 7. This design increases the contact rate when the adhesive part 7 comes into contact with the skin. The loose hydrophilic layer 73 is a sponge with large pores, filled with powders such as chitosan and thrombin. The antibacterial contact layer 74 has good absorption properties, allowing gel or liquid to be squeezed into the loose hydrophilic layer 73 and the antibacterial contact layer 74. The good absorption properties of the antibacterial contact layer 74 can prevent the medication from concentrating on the skin and causing discomfort. After the loose hydrophilic layer 73 absorbs water, the chitosan and thrombin mixed in the loose hydrophilic layer 73 can achieve rapid hemostasis.

[0050] Release paper 4 covers the adhesive surface of adhesive layer 1 and covers the bonding part 7. Release paper 4 is easy to remove during use. The existing technology will not be described in detail.

[0051] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A self-pressing, high-safety indwelling needle fixing tape, characterized in that, include: An adhesive layer (1) is used to adhere to the skin surface and restrict the puncture needle at the puncture site; The tube patch (6) is disposed on one side of the adhesive layer (1). The tube patch (6) is used to adhere the needle to the skin surface. The tube patch (6) includes a U-shaped reinforcing adhesive strip (61) and a U-shaped PU film (62). The U-shaped PU film (62) is connected to the adhesive layer (1). The skin-friendly layer (3) is fixed to the adhesive layer (1) by the reinforcing layer (2). The skin-friendly layer (3) is inclined from both sides to the middle position, and a soft layer formed of skin-friendly material is provided in the middle position of the skin-friendly layer (3). The adhesive part (7) is disposed in the round opening reserved in the middle of the skin-friendly layer (3), and one side of the adhesive part (7) is in contact with the inner side of the adhesive layer (1), and the other side of the adhesive part (7) protrudes and exposes the middle surface of the skin-friendly layer (3). Release paper (4) is wrapped around the adhesive surface of the adhesive layer (1) and covers the bonding portion (7).

2. The indwelling needle fixing tape with high self-pressurization safety according to claim 1, characterized in that, The adhesive layer (1) includes a PU film (11), the PU film (11) is located at the position of the bonding part (7) and is configured as a wrinkled area (12), and the PU film (11) is provided with a puncture alignment port (13) near the tube bonding part (6).

3. The indwelling needle fixing tape with high self-pressurization safety according to claim 1, characterized in that, The skin-friendly layer (3) includes two opposing wing portions (32) disposed on the surface of the reinforcing layer (2). Each wing portion (32) has a film channel (33) disposed on its inner side, and the film channel (33) communicates with the bonding portion (7).

4. The indwelling needle fixing tape with high self-pressurization safety according to claim 3, characterized in that, The side wing portion (32) includes an airbag membrane (321), a connecting strip (323), and a pressure chamber (324) inside the airbag membrane (321). The airbag membrane (321) is provided with a folding groove (322) formed by hot pressing and folding on one side of the tube patch portion (6). The inner wall of the airbag membrane (321) is reserved with an opening that connects and penetrates the folding release channel (325). The folding release channel (325) is connected to the film channel (33).

5. The indwelling needle fixing tape with high self-pressurization safety according to claim 4, characterized in that, The tube-attached portion (6) is also fixedly connected to a connecting rib (5). One end of the connecting rib (5) is fixedly connected to the connecting strip (323), and the other end of the connecting strip (323) is fixedly connected to the inner wall crease of the folded release channel (325) through a tension band membrane (326).

6. The indwelling needle fixing tape with high self-pressurization safety according to claim 5, characterized in that, The folding release channel (325) is a plastic tube sleeve with both ends connected. After the inner wall of the folding release channel (325) is filled with glue, it is flattened and glued, and then folded in half at the middle position. One end of the tension band film (326) forms an integral part with the fold.

7. The indwelling needle fixing tape with high self-pressurization safety according to claim 5, characterized in that, The bonding portion (7) includes an air film separator (71), which is connected to the film channel (33). The inner wall of the air film separator (71) away from the PU film (11) has air holes. An isolation layer (72), a loose hydrophilic layer (73), and an antibacterial contact layer (74) are sequentially adhered to the side of the air holes of the air film separator (71).

Images