Leakage-proof fistulization bag

Abstract

The invention relates to a leakage-proof fistulization bag which comprises a base plate and a bag body, the base plate is annular and adheres to the stoma position of the human body in a surrounding mode, a butt joint opening in butt joint with the stoma position of the human body is formed in the middle of the base plate, the bag body is fixedly matched with the base plate and used for storing excrement, and a waste discharge opening is formed in the lower portion of the bag body. A partition layer is arranged in the bag body and located above the butt joint opening in the left-right direction, the space in the bag body is divided into an upper pressure relief cavity and a lower storage cavity through the partition layer, the partition layer is made of hydrophobic breathable materials, and the bag body is provided with a pressure relief pipeline communicating the pressure relief cavity with the outside. The pressure relief pipeline is sequentially provided with a purification module and a pressure relief module along the direction far away from the pressure relief cavity, the purification module reduces harmful substances in gas and reduces odor, and the pressure relief module communicates the pressure relief cavity with the outside when the air pressure is too high and cuts off the pressure relief cavity from the outside when the air pressure is normal. By the adoption of the scheme, the leakage-proof fistulization bag can reduce environmental pollution and leakage possibility.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, and in particular to a leak-proof ostomy bag. Background Art

[0002] An ostomy bag is a medical aid used to collect excreta (such as feces or urine) discharged from a surgically created "stoma".

[0003] Existing ostomy bags generally include a base and a bag body. The base is annular and is adhered around the stoma of the human body. The bag body is fixedly matched with the base and is used to temporarily store excrement. A waste outlet is provided at the bottom of the bag body.

[0004] In daily use, due to individual differences among patients, some patients produce more gas at the stoma position, which gradually increases the air pressure in the bag. Since the waste outlet is generally closed with a sealing clip, excessive air pressure will form a gap in the closed part, causing excrement to leak and pollute the patient's living environment. In order to solve the above problems, an exhaust valve is generally provided above the bag. When the air pressure is too high, the exhaust valve is opened in time to reduce the air pressure. However, this solution still has certain disadvantages: ① The gas released by the exhaust valve has a certain odor and will still cause considerable pollution to the air environment; ② When the patient is sleeping and the air pressure in the bag is too high, the patient cannot discover and deal with it in time, and the excrement still has a certain risk of leakage. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the object of the present invention is to provide a leak-proof ostomy bag that reduces environmental pollution and leakage.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: it includes a chassis and a bag body, the chassis is annular and is adhered around the stoma position of the human body, the middle part of the chassis is provided with a docking port that docks with the stoma position of the human body, the bag body is fixedly matched with the chassis and is used to store excrement, and a waste outlet is provided below the bag body, which is characterized in that: the interior of the bag body is provided with a partition layer above the docking port along the left and right directions, the partition layer divides the space inside the bag body into a pressure relief chamber located above and used to collect gas and a storage chamber located below and used to collect excrement, the partition layer is made of hydrophobic and breathable material, the bag body is provided with a pressure relief pipe connecting the pressure relief chamber with the outside world, the pressure relief pipe is provided with a purification module and a pressure relief module in sequence away from the pressure relief chamber, the purification module reduces harmful substances in the gas and reduces odor, the pressure relief module connects the pressure relief chamber with the outside world when the air pressure is too high, and cuts off the pressure relief chamber from the outside world when the air pressure is normal.

[0007] By adopting the above technical solution, when the gas enters the bag from the patient's stoma, it will preferentially move upward and gather in the decompression chamber. During this process, the purification module will continue to reduce harmful substances in the gas and reduce odor until the air pressure is too high. The pressure relief module automatically opens and sprays out a small amount of purified gas, avoiding excessive air pressure that creates a gap in the waste outlet while greatly reducing the pollution of the gas to the environment, providing a good living environment for patients. In addition, the partition is made of hydrophobic and breathable material to prevent excrement from entering the decompression chamber and contaminating the purification module, effectively ensuring the purification effect of the purification module.

[0008] The present invention is further configured as follows: the pressure relief module includes a pressure relief valve body, a pressure relief channel is provided in the pressure relief valve body, the pressure relief channel includes a small inner diameter section, a frustum section and a large inner diameter section arranged in sequence away from the pressure relief chamber, the inner diameter of the frustum section gradually increases away from the pressure relief chamber, the small end is the same as the small inner diameter section, and the large end is the same as the large inner diameter section, a compression compensation ring is provided around the large inner diameter section, a sealing steel ball that seals with the side wall of the frustum section and a sealing spring compressed between the sealing steel ball and the compression compensation ring are provided between the compression compensation ring and the frustum section.

[0009] By adopting the above technical solution, when the air pressure in the pressure relief chamber is too high, the sealing steel ball is pushed by the gas, and a gap is formed between the sealing steel ball and the side wall of the conical section to discharge the gas to the outside. As the gas is discharged and the air pressure in the pressure relief chamber drops to normal, the sealing spring restores the sealing cooperation between the sealing steel ball and the side wall of the conical section, thereby realizing an automatic pressure relief structure which opens when the air pressure in the pressure relief chamber is too high and closes immediately after the air pressure returns to normal. The air pressure in the pressure relief chamber is intelligently adjusted, and the gas is released in small amounts and multiple times, thereby extending the gas purification time, optimizing the purification effect, and reducing odor.

[0010] The present invention is further configured as follows: the compression compensation ring and the pressure relief valve body are separately arranged, the outer periphery of the compression compensation ring is threadedly matched with the inner periphery of the large inner diameter section, and a breathable force-applying hole with a rectangular cross-section is provided in the middle of the compression compensation ring. After the breathable force-applying hole extends into the rod-shaped tool with a rectangular cross-section, the compression compensation ring rotates as the rod-shaped tool rotates.

[0011] By adopting the above technical solution, since the sealing spring will experience elastic fatigue after a certain period of use, after elastic fatigue occurs, the compression compensation ring is screwed into the large inner diameter section for a certain distance to increase the compression degree of the sealing spring, so that the sealing steel ball can restore the initial sealing effect, thereby extending the service life.

[0012] The present invention is further configured as follows: the purification module is located inside the pressure relief pipe and is separated from the pressure relief pipe; the pressure relief pipe is surrounded by a limiting step that abuts against the side of the purification module close to the pressure relief chamber; the pressure relief valve body abuts against the end face of the pressure relief pipe and is provided with an extension portion extending into the pressure relief pipe; the outer periphery of the extension portion is threadedly engaged with the inner periphery of the pressure relief pipe and presses the purification module against the limiting step.

[0013] By adopting the above technical solution, since the purification effect of the purification module will gradually weaken after a certain period of use, the purification module is designed to be a replaceable structure, which is convenient for timely replacement to ensure the purification effect. In addition, when the extended part of the pressure relief valve body is screwed into the pressure relief pipe, it not only constitutes a fixed fit between the pressure relief module and the pressure relief pipe, but also automatically forms a limiting structure of the purification module, making the installation of the purification module easier and more reliable.

[0014] The present invention is further configured such that: the pressure relief channel includes a slow flow section located in the extension portion and having an inner diameter that gradually decreases as it moves away from the pressure relief cavity.

[0015] By adopting the above technical solution, a slow flow section is added to slow down the rate at which the gas enters the small inner diameter section, thereby extending the contact time with the purification module, optimizing the purification effect and reducing odor.

[0016] The present invention is further configured as follows: the purification module includes a purification shell and activated carbon filled in the purification shell, and the outer periphery of the purification shell is provided with a plurality of air exchange holes for exchanging air inside and outside the purification shell.

[0017] By adopting the above technical solution, activated carbon is filled in the purification shell, and the surrounding gas is purified through the air exchange holes, so that the purification module is an independent whole and can be replaced more quickly. As a universal purification substance, activated carbon has a wider purification range and better purification effect.

[0018] The present invention is further configured as follows: the bag body is provided with a cleaning pipe connected to the outside world above the storage cavity; the other end of the cleaning pipe relative to the storage cavity is provided with a screw cap that is threadedly engaged with the end of the cleaning pipe and closes the end of the cleaning pipe; the cleaning pipe is in a closed state during use; when the cleaning pipe is about to discharge excrement and the waste outlet is closed, a detergent is introduced into the cleaning pipe to soften the excrement; when the waste outlet is opened, clean water is introduced into the cleaning pipe to flush the excrement.

[0019] By adopting the above technical solution, since the excrement left in the bag for a long time will become hardened to a certain extent, detergent is introduced to soften the excrement when the excrement is about to be discharged. Combined with the clean water introduced when the waste outlet is opened, the cleaning efficiency and cleaning effect are greatly improved. The detergent can also provide antibacterial, fragrance release and other functions, providing patients with a clean, hygienic and soothing living environment.

[0020] The present invention is further configured as follows: a non-return pipe is arranged inside the bag body around the docking port, the non-return pipe gradually reduces in cross section as it moves away from the chassis, and a waist-shaped pipe outlet facing directly downward is arranged at the end.

[0021] By adopting the above technical solution, after the excrement enters the bag body from the stoma position, it will flow into the storage cavity along the non-return pipe. Due to the special duckbill design of the non-return pipe, it is difficult for the excrement to flow back to the stoma position from the non-return pipe, keeping the stoma position clean and reducing the possibility of excrement infecting the stoma position.

[0022] The present invention is further configured as follows: the bag body is provided with an elastic sheet around the waste outlet, and the elastic sheet has a sealing state in which both sides are tightly fitted when not squeezed and a waste discharge state in which the outer side is stably kept in an O shape after being squeezed.

[0023] By adopting the above technical solution, the elastic sheet assists the sealing clamp in closing the waste outlet. When the elastic sheet is not squeezed, its own elasticity will increase the tightness of the waste outlet closure and reduce the possibility of leakage. When it is necessary to discharge excrement, it is only necessary to press the outer periphery of the elastic sheet to stably open the waste outlet, making the operation cleaner and more hygienic. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front perspective view of a specific embodiment of the present invention;

[0025] Figure 2 It is a rear perspective view of a specific embodiment of the present invention;

[0026] Figure 3 It is an internal structure diagram of a specific embodiment of the present invention;

[0027] Figure 4 It is a structural schematic diagram of the pressure relief pipeline, purification module and pressure relief module. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] like Figure 1 — Figure 4 As shown, the present invention discloses a leak-proof ostomy bag, comprising a base 1 and a bag body 2. The base 1 is annular and is adhered around the stoma position of the human body. A docking port 11 that docks with the stoma position of the human body is provided in the middle of the base 1. The bag body 2 is fixedly matched with the base 1 and is used to store excrement. A waste outlet 21 is provided below the bag body 2. The waste outlet 21 is folded and closed by a sealing clip when in use and is only opened when excrement is discharged. A partition 22 is provided in the left and right directions above the docking port 11 inside the bag body 2. The partition 22 divides the space inside the bag body 2 into a pressure relief chamber 23 located above and used to collect gas and a storage chamber 24 located below and used to collect excrement. The partition 22 is made of a hydrophobic and breathable material. The bag body 2 is provided with a pressure relief pipe 25 that connects the pressure relief chamber 23 with the outside world. The pressure relief pipe 25 is sequentially provided with a purification module and The pressure relief module and the purification module reduce harmful substances in the gas and reduce odor. The pressure relief module connects the pressure relief chamber 23 to the outside world when the air pressure is too high, and cuts off the pressure relief chamber 23 from the outside world when the air pressure is normal. When the gas enters the bag body 2 from the patient's stoma position, it will preferentially move upward and gather in the decompression chamber. During this process, the purification module will continue to reduce harmful substances in the gas and reduce odor until the air pressure is too high. The pressure relief module automatically opens and sprays out a small amount of purified gas to avoid excessive air pressure causing gaps in the waste outlet 21, while greatly reducing the pollution of the gas to the environment, providing a good living environment for patients. In addition, the interlayer is made of hydrophobic and breathable material. The hydrophobic and breathable material can be selected from various existing materials available on the market, such as ePTFE fabrics, etc., to avoid excrement entering the decompression chamber and contaminating the purification module, effectively ensuring the purification effect of the purification module.

[0031] The pressure relief module includes a pressure relief valve body 26, and a pressure relief channel is provided in the pressure relief valve body 26. The pressure relief channel includes a small inner diameter section 261, a frustum section 262 and a large inner diameter section 263 arranged in sequence away from the pressure relief chamber 23. The inner diameter of the frustum section 262 gradually increases away from the pressure relief chamber 23. The small end is the same as the small inner diameter section 261, and the large end is the same as the large inner diameter section 263. A compression compensation ring 264 is provided around the large inner diameter section 263. A sealing steel ball 265 that seals with the side wall of the frustum section 262 and a sealing steel ball 265 compressed between the sealing steel ball 265 and the compression compensation ring 264 are provided between the compression compensation ring 264 and the frustum section 262. The sealing spring 266 between the compensation ring 264, when the air pressure in the pressure relief chamber 23 is too high, the sealing steel ball 265 is pushed by the gas, and a gap is formed between the sealing steel ball 265 and the side wall of the conical section 262 to discharge the gas to the outside. As the gas is discharged and the air pressure in the pressure relief chamber 23 drops to normal, the sealing spring 266 restores the sealing cooperation between the sealing steel ball 265 and the side wall of the conical section 262, realizing an automatic pressure relief structure that opens when the air pressure in the pressure relief chamber 23 is too high and immediately closes when the air pressure returns to normal. It intelligently adjusts the air pressure in the pressure relief chamber 23, releases gas in small amounts and multiple times, prolongs the gas purification time, optimizes the purification effect, and reduces odor.

[0032] The compression compensation ring 264 is separately provided with the pressure relief valve body 26, and the outer periphery of the compression compensation ring 264 is threadedly matched with the inner periphery of the large inner diameter section 263. A breathable force-applying hole 2641 with a rectangular cross-section is provided in the middle of the compression compensation ring 264. After the breathable force-applying hole 2641 is inserted into the rod-shaped tool with a rectangular cross-section, the compression compensation ring 264 rotates as the rod-shaped tool rotates. Since the sealing spring 266 will experience elastic fatigue after a certain period of use, after elastic fatigue occurs, the compression compensation ring 264 is screwed into the large inner diameter section 263 for a certain distance to increase the compression degree of the sealing spring 266, so that the sealing steel ball 265 can restore the initial sealing effect, thereby extending the service life.

[0033] The purification module is located inside the pressure relief pipe 25 and is separated from the pressure relief pipe 25. The pressure relief pipe 25 is surrounded by a limiting step 251 that abuts against the side of the purification module close to the pressure relief chamber 23. The pressure relief valve body 26 abuts against the end face of the pressure relief pipe 25 and is provided with an extension part 267 extending into the pressure relief pipe 25. The outer periphery of the extension part 267 is threadedly engaged with the inner periphery of the pressure relief pipe 25 and presses the purification module against the limiting step 251. Since the purification effect of the purification module will gradually weaken after a certain period of use, the purification module is designed to be a replaceable structure to facilitate timely replacement and ensure the purification effect. In addition, when the extension part 267 of the pressure relief valve body 26 is screwed into the pressure relief pipe 25, it not only constitutes a fixed fit between the pressure relief module and the pressure relief pipe 25, but also automatically forms a limiting structure of the purification module, making the installation of the purification module easier and more reliable.

[0034] The pressure relief channel includes a slow flow section 268 located in the extension part 267 and gradually reducing its inner diameter away from the pressure relief chamber 23. The slow flow section 268 is added to slow down the rate at which the gas enters the small inner diameter section 261, thereby extending the contact time with the purification module, optimizing the purification effect and reducing odor.

[0035] The purification module includes a purification shell 27 and activated carbon 271 filled in the purification shell 27. A plurality of air exchange holes 272 are provided on the periphery of the purification shell 27 for exchanging air inside and outside the purification shell 27. The activated carbon 271 is filled in the purification shell 27, and the surrounding gas is purified through the air exchange holes 272, so that the purification module is an independent whole and can be replaced more quickly. As a universal purification substance, the activated carbon 271 has a wider purification range and better purification effect.

[0036] The bag body 2 is located above the storage chamber 24 and is provided with a cleaning pipe 28 connected to the outside world. The other end of the cleaning pipe 28 opposite to the storage chamber 24 is provided with a screw cap 281 that is threadedly engaged with the end of the cleaning pipe 28 and closes the end of the cleaning pipe 28. The cleaning pipe 28 is in a closed state during use. When the excrement is about to be discharged and the waste outlet 21 is closed, the cleaning pipe 28 is passed with a detergent to soften the excrement. When the waste outlet 21 is opened, the cleaning pipe 28 is passed with clean water to flush the excrement. Since the excrement left in the bag body 2 for a long time will produce a certain degree of hardening, the detergent is passed to soften the excrement when the excrement is about to be discharged. Combined with the clean water passed when the waste outlet 21 is opened, the cleaning efficiency and cleaning effect are greatly improved. The detergent can also provide antibacterial, fragrance release and other functions, providing patients with a clean, hygienic and soothing living environment.

[0037] A non-return pipe 29 is provided inside the bag body 2 around the docking port 11. The cross-section of the non-return pipe 29 gradually decreases as it moves away from the chassis 1, and a waist-shaped pipe outlet 291 facing directly downward is provided at the end. After the excrement enters the bag body 2 from the stoma position, it will flow into the storage cavity 24 along the non-return pipe 29. Due to the special duck-bill design of the non-return pipe 29, it is difficult for the excrement to flow back from the non-return pipe 29 to the stoma position, thereby keeping the stoma position clean and reducing the possibility of excrement infecting the stoma position.

[0038] The bag body 2 is provided with an elastic sheet 20 around the waste outlet 21. The elastic sheet 20 has a sealing state in which both sides are tightly fitted when not squeezed and a waste discharge state in which the O shape is stably maintained after the outer side is squeezed. The elastic sheet 20 assists the sealing clamp in closing the waste outlet 21. When the elastic sheet 20 is not squeezed, its own elasticity will increase the tightness of the waste outlet closure and reduce the possibility of leakage. When it is necessary to discharge excrement, it is only necessary to press the outer periphery of the elastic sheet 20 to stably open the waste outlet, making the operation cleaner and more hygienic.

Claims

1. A leakproof ostomy bag comprising a base and a bag body, wherein the base is annular and surrounds and adheres to a stoma on a human body, a docking port is provided in the middle of the base for docking with the stoma on a human body, the bag body is fixedly engaged with the base and is used to store excrement, and a waste outlet is provided below the bag body, characterized in that: The interior of the bag body is provided with a partition in the left and right directions above the docking port. The partition divides the space inside the bag body into a pressure relief chamber located above and used to collect gas and a storage chamber located below and used to collect excrement. The partition is made of hydrophobic and breathable material. The bag body is provided with a pressure relief pipe connecting the pressure relief chamber with the outside world. The pressure relief pipe is provided with a purification module and a pressure relief module in sequence away from the pressure relief chamber. The purification module reduces harmful substances in the gas and reduces odor. The pressure relief module connects the pressure relief chamber with the outside world when the air pressure is too high, and cuts off the pressure relief chamber from the outside world when the air pressure is normal.

2. The leak-proof ostomy bag according to claim 1, characterized in that: The pressure relief module includes a pressure relief valve body, in which a pressure relief channel is provided. The pressure relief channel includes a small inner diameter section, a frustum section and a large inner diameter section arranged in sequence away from the pressure relief chamber. The inner diameter of the frustum section gradually increases away from the pressure relief chamber, the small end is the same as the small inner diameter section, and the large end is the same as the large inner diameter section. A compression compensation ring is provided around the large inner diameter section, and a sealing steel ball that seals with the side wall of the frustum section and a sealing spring compressed between the sealing steel ball and the compression compensation ring are provided between the compression compensation ring and the frustum section.

3. The leak-proof ostomy bag according to claim 2, characterized in that: The compression compensation ring is separately arranged from the pressure relief valve body, the outer periphery of the compression compensation ring is threadedly matched with the inner periphery of the large inner diameter section, and a breathable force hole with a rectangular cross-section is provided in the middle of the compression compensation ring. After the breathable force hole extends into the rod-shaped tool with a rectangular cross-section, the compression compensation ring rotates as the rod-shaped tool rotates.

4. The leak-proof ostomy bag according to claim 2, characterized in that: The purification module is located inside the pressure relief pipe and is separated from the pressure relief pipe. The pressure relief pipe is surrounded by a limiting step that abuts against the purification module near the pressure relief chamber. The pressure relief valve body abuts against the end face of the pressure relief pipe and is provided with an extension portion extending into the pressure relief pipe. The outer periphery of the extension portion is threadedly engaged with the inner periphery of the pressure relief pipe and presses the purification module against the limiting step.

5. The leak-proof ostomy bag according to claim 4, characterized in that: The pressure relief channel includes a slow flow section located in the extension portion and having an inner diameter that gradually decreases as it moves away from the pressure relief cavity.

6. The leak-proof ostomy bag according to claim 1, characterized in that: The purification module includes a purification shell and activated carbon filled in the purification shell. The outer periphery of the purification shell is provided with a plurality of air exchange holes for exchanging air inside and outside the purification shell.

7. The leak-proof ostomy bag according to claim 1, characterized in that: The bag body is located above the storage cavity and is provided with a cleaning pipe connected to the outside world. The other end of the cleaning pipe relative to the storage cavity is provided with a screw cap that is threadedly engaged with the end of the cleaning pipe and closes the end of the cleaning pipe. The cleaning pipe is in a closed state during use. When the cleaning pipe is about to discharge excrement and the waste outlet is closed, a detergent is introduced into the cleaning pipe to soften the excrement. When the waste outlet is opened, clean water is introduced into the cleaning pipe to flush the excrement.

8. The leak-proof ostomy bag according to claim 1, characterized in that: A non-return pipe is arranged around the docking port inside the bag body. The cross section of the non-return pipe gradually decreases as it moves away from the chassis and a waist-shaped pipe outlet facing directly downward is arranged at the end.

9. The leak-proof ostomy bag according to claim 1, characterized in that: The bag body is provided with an elastic sheet around the waste discharge port. The elastic sheet has a sealing state in which both sides are tightly fitted when not squeezed and a waste discharge state in which the outer side is kept in an O shape stably after being squeezed.

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