Drainage bag
By employing a flexible sealing sheet and a bottom through-hole design in the drainage bag, the problem of fecal reflux is solved, enabling smooth drainage of fecal matter and preventing reflux, thereby improving treatment effectiveness and wearing comfort.
Patent Information
- Application Number
- CN202422649167.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing drainage bags lack anti-reflux structures, which can cause fecal matter to reflux and contaminate the fistula, potentially leading to inflammation.
A drainage bag was designed, which uses a front film layer and a rear film layer heat-sealed into a bag body. The bag body is equipped with first and second flexible sealing sheets to form an anti-backflow structure. Combined with the bottom through hole and convex ring design, it ensures smooth drainage of fecal matter and prevents backflow.
It effectively prevents the reflux of fecal matter, improves treatment outcomes, reduces the risk of fistula infection, and enhances wearing comfort and wound healing.
Smart Images
Figure CN223627871U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of medical apparatus and instruments, especially relates to a drainage bag. BACKGROUND
[0002] The fistulization refers to the surgery of cutting the diseased intestine and pulling out the upper section of the intestine from the fistula on the abdomen, and the excrement is discharged from the fistula. The fistula patient uses the drainage bag to stick around the fistula to catch and store the excrement.
[0003] At present, the drainage bag structure used by the fistula patient lacks the anti-backflow structure, and sometimes the human body posture changes accidentally squeeze the drainage bag, which leads to the backflow of the stored excrement in the bag, the backflow of the dirt pollutes the fistula, and even leads to the inflammation of the fistula. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims at providing a drainage bag to prevent the backflow of the excrement in the drainage bag.
[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0006] A drainage bag, comprising a bag body, the bag body is formed by heat sealing a front film layer and a rear film layer, an outlet is arranged at the bottom of the bag body, a bottom disc is arranged on the outer surface of the front film layer, the front film layer and the bottom disc are respectively provided with through holes, the front film layer and the bottom disc are communicated through the through holes, an adhesive sheet is arranged on the outer surface of the bottom disc, a first flexible sealing sheet and a second flexible sealing sheet are arranged in the upper space of the bag body, the first flexible sealing sheet and the second flexible sealing sheet are attached, a connecting hole is arranged on the first flexible sealing sheet, the connecting hole and the through hole of the front film layer are opposite, and the connecting hole and the through hole of the front film layer are sealingly connected.
[0007] Further, the through hole diameter of the bottom disc is smaller than the through hole diameter of the front film layer, a convex ring is arranged on the inner surface of the bottom disc and close to the through hole, the outer diameter of the convex ring matches the through hole diameter of the front film layer, the convex ring and the through hole of the front film layer are assembled, the connecting hole diameter is the same as the through hole diameter of the bottom disc, and the end surface of the convex ring and the first flexible sealing sheet are attached and sealingly connected.
[0008] Further, the first flexible sealing sheet and the second flexible sealing sheet are both adhesive sheets.
[0009] Further, an exhaust hole is arranged on the upper position of the rear film layer, and an activated carbon filter sheet is arranged on the outer surface of the rear film layer to cover the exhaust hole.
[0010] Further, the outer surface of the front film layer is provided with a mesh cloth.
[0011] Further, the adhesive sheet is a hydrocolloid adhesive sheet.
[0012] Further, a plurality of grooves are arranged on the periphery of the adhesive sheet.
[0013] Compared with the prior art, the drainage bag has the following advantages:
[0014] (1) In the utility model, the first flexible sealing sheet and the second flexible sealing sheet are soft body parts, and the second flexible sealing sheet seals the connecting hole of the first flexible sealing sheet to form an anti-reflux structure, prevent the reflux of the liquid in the bag body from polluting the stoma, avoid complications, and improve the treatment effect and quality.
[0015] (2) In the utility model, the front film layer mesh cloth of the bag body is arranged to prevent the bag body from contacting and adhering to the skin and improve the comfort of the human body.
[0016] (3) In the utility model, a groove is formed around the periphery of the adhesive sheet, so that the adhesive sheet has a multi-piece structure, which enables the adhesive sheet to better adhere to the stoma, better protect the skin at the stoma ulcer, and adsorb inflammation to promote wound healing. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings, which form a part of the present application, are used to provide a further understanding of the present application, and the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:
[0018] Figure 1 is a front view of the drainage bag according to the embodiment of the present application;
[0019] Figure 2 is an exploded view of the drainage bag according to the embodiment of the present application;
[0020] Figure 3 is a rear view of the drainage bag according to the embodiment of the present application;
[0021] Figure 4 is a front view of the drainage bag according to the embodiment of the present application;
[0022] Figure 5 is a front view of the drainage bag according to the embodiment of the present application;
[0023] Explanation of reference signs:
[0024] 1-bag body; 11-front film layer; 12-rear film layer; 121-vent hole; 2-mesh cloth; 3-adhesive sheet; 4-drainage tube; 5-bottom plate; 51-convex ring; 6-first flexible sealing sheet; 61-connecting hole; 7-second flexible sealing sheet; 8-activated carbon filter sheet. DETAILED DESCRIPTION
[0025] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0026] Figure 1 , Figure 2 As shown, a drainage bag includes a bag body 1, which is formed by heat-sealing a front film layer 11 and a rear film layer 12. An outlet is provided at the bottom of the bag body 1, and a drainage tube 4 is connected to the outlet. A base plate 5 is provided on the outer surface of the front film layer 11. The front film layer 11 and the base plate 5 are respectively provided with through holes, and the front film layer 11 and the base plate 5 are connected through the through holes. An adhesive sheet 3 is provided on the outer surface of the base plate 5. The adhesive sheet 3 is a hydrocolloid adhesive sheet used to adhere to human skin to fix the bag body. A first flexible sealing sheet 6 and a second flexible sealing sheet 7 are provided in the upper space inside the bag body 1. Figure 2 As shown, after disassembly, the front film layer 11, the first flexible sealing sheet 6, the second flexible sealing sheet 7, and the rear film layer 12 are arranged sequentially. Both the first flexible sealing sheet 6 and the second flexible sealing sheet 7 are soft components, with a hardness less than that of the film layers constituting the bag body 1; for example, both are adhesive films. The first flexible sealing sheet 6 and the second flexible sealing sheet 7 are bonded together. The first flexible sealing sheet 6 has a connecting hole 61, which is directly opposite the through hole of the front film layer 11, and the connecting hole 61 is sealed to the periphery of the through hole of the front film layer 11.
[0027] In this invention, both the first flexible sealing sheet 6 and the second flexible sealing sheet 7 are soft components. They are fitted together, with the second flexible sealing sheet 7 sealing the connection hole 61 of the first flexible sealing sheet 6, forming an anti-backflow structure. When worn, the through hole of the base 5 faces the fistula opening of the human body, and the adhesive piece 3 adheres to the skin to fix the bag body 1. The through hole and connection hole 61 of the base 5, the front membrane layer 11, form a drainage port. Fecal matter produced by the human body enters the bag through this drainage port. The fecal matter causes the first flexible sealing sheet 6 and the second flexible sealing sheet 7 to open, allowing the fecal matter to drain downwards and ultimately be stored inside the bag body 1. After the fecal matter drainage is complete, the second flexible sealing sheet 7 again fits against the first flexible sealing sheet 6, sealing the connection hole 61. The resulting anti-backflow structure effectively prevents fecal matter inside the bag from flowing back into the human body through the connection hole 61.
[0028] In this utility model, the chassis 5 structure is as follows: Figure 4 As shown, the diameter of its through hole is smaller than that of the through hole in the front membrane layer 11. A protruding ring 51 is provided on the inner surface of the chassis 5 immediately adjacent to its through hole, and the outer diameter of the protruding ring 51 matches the diameter of the through hole in the front membrane layer 11. The connection structure of the chassis 5, the front membrane layer 11, and the first flexible sealing sheet 6 is as follows. Figure 5 As shown, the through-hole assembly of the convex ring 51 and the front membrane layer 11 is such that the diameter of the connecting hole 61 is the same as the diameter of the through-hole of the base plate 5, and the end face of the convex ring 51 is fitted and sealed to the first flexible sealing sheet 6. This structure improves the strength of the drainage port and ensures that the fecal matter flows smoothly into the bag through the drainage port.
[0029] In the utility model, the front film layer 11 and the rear film layer 12 are heat-sealed, the upper edge of the first flexible sealing sheet 6 and the edge of the front film layer 11 are bonded or heat-sealed, the upper edge of the second flexible sealing sheet 7 and the edge of the rear film layer 12 are bonded or heat-sealed, and the upper edge of the first flexible sealing sheet 6 and the upper edge of the second flexible sealing sheet 7 are bonded or heat-sealed.
[0030] In the utility model, as shown in Figure 2 and Figure 3 An exhaust hole 121 is formed in the upper position of the rear film layer 12, and an activated carbon filter sheet 8 is arranged on the outer surface of the rear film layer 12 to cover the exhaust hole 121. The structure is convenient for discharging the gas in the bag body in time, adsorbing peculiar smell, ensuring the bag body drainage function and the function of collecting and storing liquid.
[0031] In the utility model, the outer surface of the front film layer 11 of the bag body 1 is provided with a mesh cloth 2. The mesh cloth 2 prevents the bag body from contacting and adhering to the skin, and improves the wearing comfort of the human body.
[0032] In the utility model, a plurality of grooves are formed in the peripheral edge of the adhesive sheet 3, so that the adhesive sheet 3 has a multi-petal structure. The structure makes the adhesive sheet 3 better adhere to the skin around the fistula, better protects the skin around the fistula, adsorbs inflammation and promotes wound healing.
[0033] The above only describes the preferred embodiments of the utility model and does not limit the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A drainage bag comprising a bag body (1) which is heat-sealed by a front film layer (11) and a back film layer (12), an outlet is arranged at the bottom of the bag body (1), an outer surface of the front film layer (11) is provided with a bottom disc (5), the front film layer (11) and the bottom disc (5) are respectively provided with through holes, the front film layer (11) and the bottom disc (5) are communicated through the through holes, and an adhesive sheet (3) is arranged on an outer surface of the bottom disc (5), characterized in that: The first flexible sealing sheet (6) and the second flexible sealing sheet (7) are arranged in the upper space in the bag body (1), and the first flexible sealing sheet (6) and the second flexible sealing sheet (7) are attached to each other; the first flexible sealing sheet (6) is provided with a connecting hole (61) which is opposite to the through hole of the front film layer (11) and is sealingly connected to the through hole of the front film layer (11). 2. A drainage bag according to claim 1, characterised in that: The through hole of the bottom disc (5) has a smaller diameter than the through hole of the front film layer (11); a convex ring (51) is arranged on the inner surface of the bottom disc (5) in the position close to the through hole; the outer diameter of the convex ring (51) matches the diameter of the through hole of the front film layer (11); the convex ring (51) is assembled with the through hole of the front film layer (11); the diameter of the connecting hole (61) is the same as that of the through hole of the bottom disc (5); the end surface of the convex ring (51) is attached to and sealingly connected with the first flexible sealing sheet (6).
3. A drainage bag according to claim 1, characterised in that: The first flexible sealing sheet (6) and the second flexible sealing sheet (7) are both adhesive sheets.
4. The drainage bag of claim 1, wherein: An exhaust hole (121) is arranged in the upper position of the rear film layer (12); and an activated carbon filter sheet (8) is arranged on the outer surface of the rear film layer (12) to cover the exhaust hole (121).
5. The drainage bag of claim 1, wherein: The outer surface of the front film layer (11) is provided with a mesh cloth (2).
6. The drainage bag of claim 1, wherein: The adhesive sheet (3) is a hydrocolloid adhesive sheet.
7. A drainage bag according to claim 6, characterised in that: A plurality of grooves are arranged on the periphery of the adhesive sheet (3).