Filter structure of operation ostomy bag

By introducing a heat-sealing ring and a filter assembly into the ostomy bag, combined with a filter membrane, filter core, and deodorizing inner core, the problem of poor filtration effect of existing ostomy bags is solved, achieving high-efficiency filtration, breathability, and deodorization, thus improving patient comfort and safety.

CN224040303UActive Publication Date: 2026-03-27东莞日富纤维科技有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing ostomy bag filtration and deodorization structures are ineffective, affecting patient comfort and hygiene.

Method used

A surgical ostomy bag filtration structure was designed, including a bag body, a filter assembly, a heat-sealing ring, a filter membrane, and a filter core. The heat-sealing ring enhances the sealing performance, and the combination of the filter membrane and filter core achieves efficient filtration and breathability. The addition of an odor-removing inner core and a skin-friendly breathable membrane improves comfort.

Benefits of technology

It improves the sealing performance and filtration efficiency of ostomy bags, reduces the risk of infection, enhances breathability and comfort, and provides a safe and comfortable recovery environment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224040303U_ABST
    Figure CN224040303U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of medical instruments, in particular to a surgical ostomy bag filtering structure which comprises a bag body and a filtering assembly, the bag body is provided with a containing cavity, a heat sealing ring is arranged on the periphery of the containing cavity, the filtering assembly is arranged on the heat sealing ring, the filtering assembly comprises a packaging outer sleeve, a filtering film and a filtering element, and the packaging outer sleeve is sleeved with the filtering film. The packaging jacket is provided with a filter cavity, the filter element is wrapped and fixed in the filter cavity by the filter membrane, the packaging jacket is provided with filter air holes, and the filter air holes are used for communicating the filter cavity with the accommodating cavity so as to filter and discharge air in the accommodating cavity. The utility model provides powerful support for wound nursing and recovery after an operation. Due to the advantages of the sealing performance, the filtering effect, the air permeability and the like, the structure has a wide application prospect in the medical field.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to medical appliance technical field especially is related to a surgical stoma bag filter structure. BACKGROUND

[0002] The medical stoma bag is an important medical instrument, which is mainly used for collecting and storing the waste liquid, effusion and other liquids of human body after operation. The design of the stoma bag considers the comfort and practicality of the patient, which is generally made of soft, waterproof and corrosion-resistant materials such as polyvinylidene chloride, polypropylene and polyethylene. According to different use scenarios and needs, the stoma bag is also divided into different types. The use of the stoma bag has a significant impact on the quality of life of the patient. It can help the patient maintain the cleanliness and hygiene of the body, and also can reduce the pain and discomfort of the patient. However, in order to ensure the effectiveness and safety of the stoma bag, the stoma bag needs to be replaced regularly, kept clean, and the patient's condition needs to be observed.

[0003] The stoma bag needs to be designed with some filtering and deodorizing structure because it receives waste liquid. However, the existing deodorizing and filtering structure is relatively simple, and the deodorizing and filtering effect is poor, so it is necessary to make new improvements to the existing deodorizing and filtering structure. SUMMARY

[0004] In order to solve the above problems, the utility model provides strong support for wound care and recovery after operation. The advantages of sealing performance, filtering effect and air permeability make the structure have a wide application prospect in the field of medical treatment.

[0005] The technical scheme adopted by the utility model is: a surgical stoma bag filter structure, comprising a bag body and a filter assembly, the bag body is provided with a containing cavity, the outer periphery of the containing cavity is provided with a heat sealing ring, the filter assembly is arranged on the heat sealing ring, the filter assembly comprises a packaging cover, a filter membrane and a filter core, the packaging cover is provided with a filter cavity, the filter membrane covers and fixes the filter core in the filter cavity, the packaging cover is provided with a filter air hole, the filter air hole is used for communicating the filter cavity with the containing cavity, so as to filter and discharge the gas in the containing cavity.

[0006] Further improvement of the above scheme is that the bag body is composed of two layers of film material, and the heat sealing ring is used to heat seal and connect the edges of the two layers of film material to form the containing cavity.

[0007] Further improvement of the above scheme is that one side of the bag body is provided with a waste liquid inlet, and the waste liquid inlet is provided with a fitting disc.

[0008] Further improvement of the above scheme is that the fitting disc is provided with a pair of interfaces, and the outer ring of the pair of interfaces is provided with a plurality of shearing rings which are gradually enlarged.

[0009] Further improvement of the above scheme is that one side of the bag body close to the fitting disc is provided with a skin-friendly and breathable film.

[0010] Further improvement of the above scheme is that the side of the bag body away from the filter cavity is provided with a drainage port.

[0011] Further improvement of the above scheme is that the drainage port is provided with a sealing sheet for sealing the drainage port.

[0012] Further improvement of the above scheme is that the packaging cover is a film-shaped packaging cover.

[0013] Further improvement of the above scheme is that the filter membrane is a non-woven fabric layer.

[0014] Further improvement of the above scheme is that the filter core is a deodorizing inner core, and is provided with deodorizing particles in the inside.

[0015] The utility model has the beneficial effects that:

[0016] Compared with the existing stoma bag, the utility model discloses a containing cavity and a heat sealing ring outside the containing cavity, which ensures the sealing performance of the bag body, effectively prevents the leakage of the content, and provides a reliable barrier for the wound protection and recovery after operation. The introduction of the heat sealing ring not only enhances the structural strength of the bag body, but also facilitates the stable installation of the filter assembly, realizes the integrated design of the assembly and the bag body. Secondly, the filter assembly is extremely ingenious, including a packaging cover, a filter membrane and a filter core. Among them, the filter membrane tightly covers and fixes the filter core in the filter cavity, which not only ensures the filtering effect, but also prevents the loosening or falling of the filter core during use. The setting of the filter hole skillfully connects the filter cavity and the containing cavity, realizes the effective filtering and discharge of the gas in the containing cavity, reduces the infection risk, and promotes the healing of the wound. In addition, the filter structure also has excellent air permeability and filtering performance. The material selection of the filter membrane and the filter core is carefully considered, which not only ensures the smooth flow of gas, but also effectively blocks the invasion of bacteria and other microorganisms, providing a safer and more comfortable recovery environment for patients after operation. The utility model provides strong support for the wound care and recovery after operation. The advantages of the sealing performance, filtering effect and air permeability of the utility model make the structure have wide application prospect and important practical value in the medical field. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic view of the utility model surgical stoma bag filter structure.

[0018] Figure 2 For Figure 1 perspective view of the surgical ostomy bag filter structure;

[0019] Figure 3 For Figure 1 structure diagram of the surgical ostomy bag filter structure;

[0020] Figure 4 For Figure 1 structure diagram of the filter assembly of the surgical ostomy bag filter structure.

[0021] BRIEF DESCRIPTION OF DRAWINGS Bag body 1, accommodating cavity 11, heat sealing ring 12, waste liquid inlet 13, fitting disc 14, docking port 141, shearing ring 142, skin-friendly breathable film 15, liquid discharge port 16, packaging sheet 161, filter assembly 2, packaging cover 21, filter cavity 211, filter air hole 212, filter membrane 22, filter core 23. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Figures 1-4As shown, in an embodiment of the utility model, a kind of surgical ostomy bag filter structure, including bag body 1 and filter assembly 2, the bag body 1 is provided with accommodating cavity 11, the outer periphery of accommodating cavity 11 is provided with heat seal ring 12, filter assembly 2 is arranged on heat seal ring 12, filter assembly 2 includes packaging cover 21, filter membrane 22 and filter core 23, the packaging cover 21 is provided with filter cavity 211, filter membrane 22 is covered and fixed in filter cavity 211 with filter core 23, filter air hole 212 is provided on the packaging cover 21, filter air hole 212 is used to communicate filter cavity 211 with accommodating cavity 11, to be used for the gas in accommodating cavity 11 is filtered and discharged.This embodiment is by the accommodating cavity 11 and the heat seal ring 12 of its outer periphery, the structure ensures the sealing performance of bag body 1, effectively prevent the leakage of content, provide reliable barrier for the wound protection and recovery after operation.The introduction of heat seal ring 12, not only strengthen the structural strength of bag body 1, but also facilitate the stable installation of filter assembly 2, realize the integration design of component and bag body 1.Secondly, the composition of filter assembly 2 is extremely ingenious, including packaging cover 21, filter membrane 22 and filter core 23.Filter membrane 22 is tightly covered and fixed in filter cavity 211 with filter core 23, this design not only guarantees filtering effect, but also prevents the problem that filter core 23 may appear loose or fall off in use process.Filter air hole 212 is set, and filter cavity 211 is connected with accommodating cavity 11, realize the effective filtration and discharge of gas in accommodating cavity 11, reduce the risk of infection, promote the healing of wound.In addition, the filter structure also has excellent air permeability and filtering performance.Filter membrane 22 and filter core 23 are carefully considered in material selection, which not only ensures the smooth flow of gas, but also effectively blocks the invasion of bacteria and other microorganisms, providing a safer and more comfortable recovery environment for postoperative patients.This embodiment provides strong support for postoperative wound care and recovery.The advantages of its sealing performance, filtering effect and air permeability make the structure have wide application prospect and important practical value in medical field.

[0025] The bag body 1 is composed of two layers of film materials, and the heat sealing ring 12 is used to heat seal and connect the edges of the two layers of film materials to form the accommodation cavity 11. In this embodiment, the double-layer film material structure enhances the overall strength and sealing performance of the bag body 1, effectively preventing leakage of the contents, thereby ensuring the comfort and health of the user. The application of the heat sealing ring 12 further improves the sealing reliability of the bag body 1. By accurately controlling the heating temperature and pressure of the heat sealing ring 12, the edges of the two layers of film materials can be tightly and uniformly heat sealed together to form a solid and airtight accommodation cavity 11. This not only improves the durability of the bag body 1, but also enables the bag body 1 to maintain good sealing state when subjected to certain pressure or external force. In addition, this scheme also optimizes the production process of the ostomy bag, improves the production efficiency and product quality. The automation and accuracy of the heat sealing ring 12 technology ensure the consistency of the sealing effect of each ostomy bag, reduce the defective rate in the production process, thereby improving the overall product competitiveness.

[0026] The bag body 1 is provided with a waste liquid inlet 13 on one side, and the waste liquid inlet 13 is provided with a fitting disc 14. The fitting disc 14 is provided with a docking port 141, and the outer circle of the docking port 141 is provided with a plurality of shear rings 142 which are gradually enlarged. Specifically, the bag body 1 is provided with a skin-friendly breathable film 15 on the side close to the fitting disc 14. In this embodiment, the waste liquid inlet 13 on one side of the bag body 1 is ingeniously arranged, and the fitting disc 14 structure is used to realize smooth introduction and sealed management of waste liquid. The docking port 141 on the fitting disc 14 is carefully arranged with a plurality of shear rings 142 which are gradually enlarged, which not only enhances the adaptability of the interface and ensures that the discharge pipe of various shapes and sizes can be stably connected, but also effectively prevents the risk of liquid leakage through the step-by-step shear effect, thereby improving the safety factor of the sealing performance. It is particularly worth mentioning that the skin-friendly breathable film 15 material is used in the area close to the fitting disc 14 of the bag body 1, which greatly improves the wearing comfort of the user. The skin-friendly material reduces skin irritation and reduces the risk of allergy, and the breathable property helps to maintain a dry microenvironment between the bag body 1 and the skin, reducing discomfort and potential infection risk caused by moisture. The skin-friendly breathable film 15 is a non-woven fabric.

[0027] The bag body 1 is provided with a liquid discharge port 16 away from the filter cavity 211. Specifically, the liquid discharge port 16 is provided with an encapsulation sheet 161 for sealing the liquid discharge port 16. The encapsulation sheet 161 includes a fixing sheet and a magic tape, and the purpose is to fold and fix the liquid discharge port 16. In this embodiment, this layout of the liquid discharge port 16 effectively avoids the direct contact of the liquid with the filter cavity 211 during the discharge process, thereby reducing the potential pollution risk and ensuring the cleanliness and hygiene of the inside environment of the ostomy bag. Secondly, the design of the encapsulation sheet 161 realizes the convenient and reliable sealing of the liquid discharge port 16 by combining the fixing sheet and the magic tape. The user can easily fold the liquid discharge port 16 and use the adhesion of the magic tape to fix it firmly, effectively preventing accidental leakage of the liquid in the bag and enhancing the sealing performance of the ostomy bag. In addition, this encapsulation method is easy to operate and easy for users to master, which improves the overall use experience of the ostomy bag.

[0028] The packaging cover 21 is a film-shaped packaging cover 21. The filter film 22 is a non-woven fabric layer. The filter core 23 is a deodorizing inner core, and is provided with deodorizing particles inside. In this embodiment, the film-shaped packaging cover 21 provides good sealing performance for the ostomy bag, effectively prevents the leakage of excreta and the diffusion of odor, and guarantees the daily hygiene and comfort of the patient. The packaging cover 21 is flexible and durable, which is convenient for the patient to operate and replace during use. Secondly, the non-woven fabric layer as the filter film 22 not only has good air permeability, can keep the inside environment of the ostomy bag dry and comfortable, but also can effectively block large particles to avoid clogging the filter core 23. The material of the non-woven fabric layer is safe and harmless, and will not cause irritation or allergic reaction to the skin of the patient. Furthermore, the built-in deodorizing inner core and deodorizing particles can efficiently remove odor molecules in excreta through physical or chemical adsorption, further improving the deodorizing effect of the ostomy bag. This design not only reduces the psychological burden of the patient, but also improves the quality of life.

[0029] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A surgical ostomy bag filter structure, characterized by: The bag body is provided with a containing cavity, and the outer periphery of the containing cavity is provided with a heat-seal ring. The filter assembly is arranged on the heat-seal ring, and the filter assembly comprises a packaging sheath, a filter membrane and a filter core. The packaging sheath is provided with a filter cavity. The filter membrane is used for fixing the filter core in the filter cavity. The packaging sheath is provided with filter air holes. The filter air holes are used for connecting the filter cavity and the containing cavity, so as to filter and discharge the gas in the containing cavity.

2. The surgical ostomy pouch filter structure according to claim 1, characterized in that: The bag body is composed of two layers of film materials. The heat-seal ring is used for heat-seal connection of the edges of the two layers of film materials, so as to form the containing cavity.

3. The surgical ostomy pouch filter structure according to claim 1, wherein: One side of the bag body is provided with a waste liquid inlet. The waste liquid inlet is provided with a matching disc.

4. The surgical ostomy pouch filter structure of claim 3, wherein: The matching disc is provided with a butt joint. The outer periphery of the butt joint is provided with a plurality of shear rings. The plurality of shear rings are gradually enlarged.

5. The surgical ostomy pouch filter structure of claim 3, wherein: The side of the bag body close to the matching disc is provided with a skin-friendly and breathable film.

6. The surgical ostomy pouch filter structure according to claim 1, wherein: The side of the bag body away from the filter cavity is provided with a liquid discharge port.

7. The surgical ostomy pouch filter structure of claim 6, wherein: The liquid discharge port is provided with an encapsulation sheet. The encapsulation sheet is used for sealing the liquid discharge port.

8. The surgical ostomy pouch filter structure according to claim 1, wherein: The packaging sheath is a glue film-shaped packaging sheath.

9. The surgical ostomy pouch filter structure according to claim 1, wherein: The filter membrane is a non-woven fabric layer.

10. The surgical ostomy pouch filter structure according to claim 1, wherein: The filter core is a deodorizing inner core. The deodorizing inner core is internally provided with deodorizing particles.