A chest sealing patch

Abstract

The present invention provides a chest sealing patch, which relates to the technical field of chest sealing patches, and the chest sealing patch includes: a release layer; an adhesive layer, an exhaust hole is provided at the center of the adhesive layer; a backing layer, the adhesive layer is arranged between the release layer and the backing layer; the backing layer includes a lower backing layer and a soft backing layer; the two are staggered and form an overlapping area, and the overlapping area includes a connection area and a non-connection area; the lower backing layer is arranged above the adhesive layer and does not completely block the exhaust hole, a non-covered area is formed between the lower backing layer and the exhaust hole, and the soft backing layer completely blocks the non-covered area. The chest sealing patch provided by the present invention, through the structural design between the exhaust hole, the lower backing layer and the soft backing layer, can prevent external air from entering the chest cavity and discharge the effusion in the chest cavity when a penetrating wound is formed in the chest cavity.

Description

Technical Field

[0001] The present invention relates to the technical field of chest cavity sealing patches, and in particular to a chest cavity sealing patch. Background Art

[0002] Open pneumothorax is caused by trauma that damages the entire thickness of the chest wall. As the chest wall expands and the diaphragm contracts during breathing, negative pressure is generated within the chest cavity, allowing air to enter the lungs through the upper respiratory tract and bronchi. When the chest wall retracts and the diaphragm relaxes, positive pressure is generated within the lungs, expelling air from the respiratory tract. If the chest cavity ruptures and the wound remains open, air enters the chest cavity through the wound, changing the chest pressure and preventing air from entering the lungs, ultimately leading to pneumothorax and lung collapse. If the wound exceeds the diameter of the trachea, the air entering the chest cavity will exceed the air entering the lungs, causing hypoxia.

[0003] The treatment for open chest injuries is to close the wound to prevent air from entering the chest cavity. Currently, sterile dressings or cotton pads are typically applied over the wound, then bandaged with adhesive tape or a bandage to convert the open pneumothorax into a closed pneumothorax, and the patient is rushed to the hospital for further treatment. Current emergency treatment methods for open pneumothorax are cumbersome and ineffective, posing potential risks to the emergency care of these patients. Summary of the Invention

[0004] In order to solve the problem that the emergency treatment methods for open pneumothorax in the existing technology are cumbersome and ineffective, the present invention provides a chest sealing patch. The chest sealing patch, through the structural design between the exhaust holes, the lower backing layer and the soft backing layer, can prevent external air from entering the chest cavity when a penetrating wound occurs in the chest cavity and discharge the accumulated fluid in the chest cavity.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A chest sealing patch, comprising:

[0007] Release layer;

[0008] An adhesive layer, wherein a vent hole is formed at the center of the adhesive layer;

[0009] A backing layer, wherein the adhesive layer is disposed between the release layer and the backing layer; the backing layer comprises a lower backing layer and a soft backing layer; the lower backing layer and the soft backing layer are arranged in a staggered manner and form an overlapping area;

[0010] The lower backing layer is arranged above the adhesive layer and does not completely cover the exhaust hole. A non-covering area is formed between the lower backing layer and the exhaust hole, and the soft backing layer completely covers the non-covering area.

[0011] Optionally, the adhesive layer is in the same shape as the backing layer.

[0012] Optionally, the cross section of the uncovered area is 1 / 50 to 4 / 5 of the cross section of the exhaust hole.

[0013] Optionally, the lower backing layer includes an inner periphery and an outer periphery; the inner periphery is provided with at least one notch; the notch is provided in the overlapping area; and the notch is communicated with the exhaust through hole.

[0014] Optionally, the overlapping area includes a connection area and a non-connection area, and the non-connection area is above the exhaust through hole.

[0015] Optionally, the connection region is at both ends of the overlapping region, and the area of ​​the connection region is greater than 0.

[0016] Optionally, the notch is an arc-shaped notch, an edge of which coincides with an edge of the exhaust through hole.

[0017] Optionally, the soft backing layer is selected from at least one of a polyethylene film, a polyurethane film, and a silicone rubber film.

[0018] Optionally, the release layer is selected from at least one of PE release film, PET release film, OPP release film, composite release film, glassine release paper, laminated release paper, and CCK release paper.

[0019] Optionally, the adhesive layer is selected from at least one of a silicone gel layer, a hydrocolloid layer, and a hydrogel layer.

[0020] The beneficial effects of the present invention are:

[0021] The chest sealing patch provided by the present invention utilizes the structural design between the exhaust holes, the lower backing layer and the soft backing layer to prevent external air from entering the chest cavity when a penetrating wound is formed in the chest cavity, and to discharge the accumulated fluid in the chest cavity; at the same time, by adjusting the size of the uncovered area between the lower backing layer and the exhaust holes, the drainage efficiency can be accurately controlled; in addition, the chest sealing patch can convert open pneumothorax into closed pneumothorax, and the operation is simple and quick, which is suitable for emergency treatment of open pneumothorax, reduces the patient's demand for medical resources, and thus saves medical costs to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings and examples.

[0023] Figure 1 This is a schematic diagram of the structure of the chest sealing patch in the present invention. Figure 1 ;

[0024] Figure 2 This is a schematic diagram of the structure of the chest sealing patch in the present invention. Figure 2 ;

[0025] Figure 3 This is a schematic diagram of the structure of the chest sealing patch in the present invention. Figure 3 ;

[0026] Figure 4 This is a schematic diagram of the explosion of the chest sealing patch in the present invention. Figure 1 ;

[0027] Figure 5 This is a schematic diagram of the use of the chest sealing patch in the present invention Figure 1 ;

[0028] Figure 6 yes Figure 5 Cross-section at AA in the middle;

[0029] Figure 7 This is a schematic diagram of the use of the chest sealing patch in the present invention Figure 2 ;

[0030] Figure 8 yes Figure 7 Cross-section at the middle BB;

[0031] Figure 9 This is a schematic diagram of the use of the chest sealing patch in the present invention Figure 3 ;

[0032] Figure 10 This is a schematic diagram of the structure of the chest sealing patch in the present invention. Figure 4 ;

[0033] Figure 11 This is a schematic diagram of the structure of the chest sealing patch in the present invention. Figure 5 ;

[0034] Figure 12 This is a schematic diagram of the structure of the chest sealing patch in the present invention. Figure 6 ;

[0035] Figure 13 This is a schematic diagram of the explosion of the chest sealing patch in the present invention. Figure 2 ;

[0036] Figure 14 This is a schematic diagram of the use of the chest sealing patch in the present invention Figure 4 ;

[0037] Figure 15 This is a schematic diagram of the use of the chest sealing patch in the present invention Figure 5 ;

[0038] In the figure: 1-release layer; 2-adhesive layer; 21-vent hole; 22-non-covered area; 3-backing layer; 31-lower backing layer; 311-inner periphery; 3111-notch; 312-outer periphery; 32-soft backing layer; 33-overlapping area; 331-connection area; 332-non-connection area; 4-chest; 41-wound; 42-effusion. DETAILED DESCRIPTION

[0039] The present invention will now be described in further detail. The embodiments described below are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are intended to fall within the scope of protection of the present invention.

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0041] In order to solve the problem that the emergency treatment method for open pneumothorax in the prior art is cumbersome and ineffective, the present invention provides a chest sealing patch, such as Figure 1-15 As shown, the chest seal patch includes:

[0042] Release layer 1;

[0043] An adhesive layer 2, wherein a vent hole 21 is provided at the center of the adhesive layer 2;

[0044] The backing layer 3 and the adhesive layer 2 are arranged between the release layer 1 and the backing layer 3; the backing layer 3 includes a lower backing layer 31 and a soft backing layer 32; the lower backing layer 31 and the soft backing layer 32 are staggered and form an overlapping area 33;

[0045] The lower backing layer 31 is disposed above the adhesive layer 2 and does not completely cover the exhaust holes 21 . A non-covering area 22 is formed between the lower backing layer 31 and the exhaust holes 21 . The soft backing layer 32 completely covers the non-covering area 22 .

[0046] The present invention preferably uses at least one of the soft backing layer 32 selected from polyethylene film, polyurethane film, and silicone rubber film; further, the present invention preferably uses polyurethane film as the soft backing layer 32 to provide good flexibility and biocompatibility, thereby improving patient comfort and the adaptability of the sealing patch.

[0047] In the present invention, the lower backing layer 31 is preferably selected from at least one of PE film, PET film, OPP film, composite film, glassine paper, laminated paper, CCK paper, polyethylene film, polyurethane film, and silicone rubber film; further, considering the flexibility and conformability of the entire sealing patch and other performance properties, the present invention preferably selects the lower backing layer 31 from at least one of polyethylene film, polyurethane film, and silicone rubber film; specifically, the lower backing layer 31 in the present invention is a polyurethane film.

[0048] The release layer 1 of the present invention is preferably selected from at least one of PE release film, PET release film, OPP release film, composite release film, glassine release paper, laminated release paper, and CCK release paper; further, the release layer 1 of the present invention is preferably PET release film, so that it can provide good release performance and facilitate the peeling and use of the sealing patch.

[0049] The adhesive layer 2 of the present invention is preferably selected from at least one of a silicone gel layer, a hydrocolloid layer, and a hydrogel layer; further, the adhesive layer 2 of the present invention is preferably a hydrogel layer, so that it has good adhesion and biocompatibility, which can ensure that the sealing patch adheres firmly to the skin while reducing irritation to the skin.

[0050] The chest sealing patch provided by the present invention utilizes the structural design between the exhaust hole 21, the lower backing layer 31 and the soft backing layer 32 to prevent external air from entering the chest cavity and discharge the effusion 42 in the chest cavity when a penetrating wound is formed in the chest cavity; at the same time, by adjusting the size of the non-covered area 22 between the lower backing layer 31 and the exhaust hole 21, the drainage efficiency can be accurately controlled; in addition, the chest sealing patch converts open pneumothorax into closed pneumothorax, is simple and quick to operate, is suitable for emergency treatment of open pneumothorax, reduces patients' demand for medical resources, and thus saves medical costs to a certain extent.

[0051] The present invention does not adopt the traditional circular vent design, but instead adopts the staggered arrangement of the lower backing layer 31 and the soft backing layer 32, wherein a non-covered area 22 is formed between the lower backing layer 31 and the exhaust hole 21, and the soft backing layer 32 completely blocks the non-covered area 22; this design not only significantly improves the drainage efficiency, but can more effectively discharge the effusion 42 in the chest cavity, and is particularly suitable for situations where the wound 41 is large or the effusion 42 is large; at the same time, it also greatly enhances the sealing performance, avoiding the risk of air entering the chest cavity and causing tension pneumothorax due to blockage or failure of the traditional valve mechanism.

[0052] In the present invention, it is preferred that the adhesive layer 2 and the backing layer 3 have the same shape.

[0053] The size design of the non-covered area 22 in the present invention is not simply to pursue maximization, but is based on a balance between drainage efficiency and sealing; although an excessively large non-covered area can improve drainage efficiency, it will weaken the sealing performance, increase the risk of external air entering the chest cavity, and may even cause complications such as tension pneumothorax. Therefore, the present invention preferably adopts a cross-section of the non-covered area 22 of 1 / 50 to 4 / 5 of the cross-section of the exhaust hole 21.

[0054] Furthermore, the present invention preferably has a cross-section of the non-covered area 22 of 1 / 40 to 1 / 2 of the cross-section of the exhaust hole 21 to ensure efficient drainage while maintaining good sealing; this size range also takes into account the adaptability to different wound sizes and positions, while effectively reducing the risk of blockage and complications; a moderate non-covered area size can avoid liquid accumulation and tissue fragment blockage, and reduce the possibility of infection caused by accumulation of effusion 42, thereby providing a more reliable, flexible and targeted solution for the emergency treatment of open pneumothorax.

[0055] In addition, the lower backing layer 31 and the soft backing layer 32 in the present invention are both designed to be transparent or translucent. When using the product of the present invention, the boundary line between the lower backing layer 31 and the soft backing layer 32 can be used as the product pasting positioning line. When pasting, it is only necessary for the boundary line to be above the wound 41; thereby reducing the complexity of pasting and improving the flexibility of use; at the same time, the coverage area of ​​the wound 41 and the non-covered area 22 can be flexibly adjusted according to actual needs, so as to better adapt to the wound conditions of different patients.

[0056] like Figure 1-9 As shown, at this time, the lower backing layer 31 is tightly bonded to the adhesive layer 2. Similarly, the soft backing layer 32 except for the overlapping area 33 with the lower backing layer 31 is also tightly bonded to the adhesive layer 2. Therefore, when in use, the release layer 1 is torn off, and the boundary line between the lower backing layer 31 and the soft backing layer 32 at the exhaust hole 21 is aligned with the wound 41 (when the wound 41 is small, in order to improve the drainage efficiency, the wound 41 should be located in the non-covered area 22 as much as possible), and then attached to the chest 4. The effusion 42 in the chest cavity can only flow outward through the non-covered area 22 in the direction indicated by the flow arrow, and flow out through the overlapping area 33 between the lower backing layer 31 and the soft backing layer 32. In addition, the soft backing layer 32 can effectively prevent external air from entering the chest cavity.

[0057] The present invention preferably comprises an inner periphery 311 and an outer periphery 312 ; if drainage efficiency is to be further improved, at least one notch 3111 may be provided in the inner periphery 311 ; the notch 3111 needs to be provided in the overlapping region 33 ; and the notch 3111 is connected to the exhaust hole 21 .

[0058] Furthermore, in order to prevent the overlapping area 33 of the lower backing layer 31 from being lifted up during exhalation, the present invention preferably includes a connection area 331 and a non-connection area 332 in the overlapping area 33, wherein the non-connection area 332 is above the exhaust hole 21, and the drainage function can also be achieved through the non-connection area 332, thereby further improving the drainage efficiency.

[0059] like Figure 10-15 As shown, at this time, the lower backing layer 31 is tightly bonded to the adhesive layer 2. Similarly, the soft backing layer 32 except for the overlapping area 33 with the lower backing layer 31 is also tightly bonded to the adhesive layer 2. When in use, the release layer 1 is torn off, and the boundary line between the notch 3111 at the exhaust hole 21 and the soft backing layer 32 is aligned with the wound 41 (when the wound 41 is small, in order to improve the drainage efficiency, the wound 41 should be located as much as possible in the notch 3111), and then attached to the chest 4. The effusion 42 in the chest cavity can flow outward through the non-covered area 22 and the notch 3111, and flow out through the non-connected area 332 between the lower backing layer 31 and the soft backing layer 32. In addition, the soft backing layer 32 can effectively prevent external air from entering the chest cavity.

[0060] In the present invention, the soft backing layer 32 can be fixedly connected to the lower backing layer 31 by gluing, welding, sewing, and fastening; in order to ensure the flexibility and adaptability of bonding, those skilled in the art can choose the most appropriate bonding method according to the specific application scenario. In the present invention, the soft backing layer 32 is preferably bonded to the lower backing layer 31 by gluing.

[0061] In order to enhance the connection stability between the lower backing layer 31 and the soft backing layer 32 and improve the drainage efficiency, the present invention preferably sets the connection area 331 at both ends of the overlapping area 33, and the area of ​​the connection area 331 is greater than 0; further, the present invention preferably makes the connection area 331 as small as possible, and can be pasted with glue.

[0062] In the present invention, the notch 3111 is preferably an arc-shaped notch, the edge of which coincides with the edge of the exhaust hole 21 , thereby optimizing the drainage efficiency while ensuring the overall structural integrity of the sealing patch.

[0063] With the above-described preferred embodiments of the present invention as a guide, and with reference to the above description, relevant personnel are fully capable of making various changes and modifications without departing from the technical scope of this invention. The technical scope of this invention is not limited to the contents of the specification and must be determined according to the scope of the claims.

Claims

1. A chest sealing patch, characterized in that: The chest sealing patch comprises: Release layer (1); An adhesive layer (2), wherein a venting hole (21) is provided at the center of the adhesive layer (2); A backing layer (3), wherein the adhesive layer (2) is disposed between the release layer (1) and the backing layer (3); the backing layer (3) comprises a lower backing layer (31) and a soft backing layer (32); the lower backing layer (31) and the soft backing layer (32) are arranged in an alternating manner and form an overlapping area (33); The overlapping area (33) includes a connection area (331) and a non-connection area (332), and the non-connection area (332) is located above the exhaust through hole (21); The lower backing layer (31) is arranged above the adhesive layer (2) and does not completely cover the exhaust hole (21); a non-covering area (22) is formed between the lower backing layer (31) and the exhaust hole (21); and the soft backing layer (32) completely covers the non-covering area (22); The lower backing layer (31) comprises an inner periphery (311) and an outer periphery (312); the inner periphery (311) is provided with at least one notch (3111); the notch (3111) is arranged in the overlapping area (33); and the notch (3111) is connected to the exhaust through hole (21).

2. The chest sealing patch according to claim 1, characterized in that: The adhesive layer (2) and the backing layer (3) have the same shape.

3. The chest sealing patch according to claim 1, characterized in that: The cross section of the non-covered area (22) is 1 / 50 to 4 / 5 of the cross section of the exhaust through hole (21).

4. The chest sealing patch according to claim 1, wherein: The connection region (331) is at both ends of the overlapping region (33), and the area of ​​the connection region (331) is greater than 0.

5. The chest sealing patch according to claim 1, wherein: The notch (3111) is an arc-shaped notch, the edge of which coincides with the edge of the exhaust through hole (21).

6. The chest sealing patch according to claim 1, wherein: The soft backing layer (32) is selected from at least one of a polyethylene film, a polyurethane film, and a silicone rubber film.

7. The chest sealing patch according to claim 1, wherein: The release layer (1) is selected from at least one of PE release film, PET release film, OPP release film, composite release film, glassine release paper, laminated release paper, and CCK release paper.

8. The chest sealing patch according to claim 1, wherein: The adhesive layer (2) is selected from at least one of a silicone gel layer, a hydrocolloid layer, and a hydrogel layer.

Images