Negative pressure drainage device for assisting in liquid drainage and air exhaust in body
By designing a negative pressure drainage device including an orthotomy pocket, injection device and negative pressure bottle, the problem of the limited application of existing drainage bags when they cannot be inserted into the drainage tube or cause discomfort in patients, achieving a wider range of Scope of application and higher patient comfort.
Patent Information
- Application Number
- CN202421005344.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-09
AI Technical Summary
When used in situations where existing drainage bags cannot be inserted into the stoma or cause discomfort in patients, their scope of application is limited and they cannot effectively assist in the discharge of fluid and gas in the body.
A negative pressure drainage device is designed, including an orthotomy pocket, an injection device and a negative pressure bottle. One side wall of the orthotomy pocket is equipped with a through hole and a patch sheet. The injection device and the negative pressure bottle are connected through a flow guide to achieve negative pressure. drainage.
This device is suitable for different lesions and expands its scope of application, especially in rectal or colostomy, which reduces patient discomfort, and can assist in excretion and collect feces during excretion of watery stools, making it more convenient and quick to use.
Smart Images

Figure CN222517408U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of medical instruments, and in particular relates to a negative pressure drainage device for assisting in the discharge of liquid and gas from the body. Background Art
[0002] A drainage bag is a commonly used medical product for clinical use to collect waste fluid from patients. It mainly includes a bag body and a drainage catheter. It is a type of bed-hanging drainage bag in the prior art. Existing drainage bags can usually only be used by passing the drainage tube through the stoma of the lesion, and are not suitable for stomas that the drainage tube cannot enter. For example, when used in situations such as watery stools and diarrhea, the drainage tube is inserted deep into the anus, and the drainage tube can be used to help the patient expel the accumulated fluid or gas produced; and when used in rectal stomas and colon stomas, placing the drainage tube into the stoma will cause discomfort to the patient.
[0003] Therefore, the existing drainage bag has a small application range, and a drainage device with a wider application range is needed. Utility Model Content
[0004] In order to solve the above problems existing in the prior art, the utility model aims to provide a negative pressure drainage device for assisting in the discharge of liquid and gas from the body.
[0005] The technical solution adopted by the utility model is:
[0006] A negative pressure drainage device for assisting in the discharge of fluid and gas from the body comprises an ostomy bag, an injection device and a negative pressure bottle; a through hole is opened on one side wall of the ostomy bag, a fitting sheet is arranged around the through hole, and the fitting sheet is arranged on the outer side wall of the ostomy bag; the bag opening of the ostomy bag is connected to the injection device through a first guide tube, and is connected to the negative pressure bottle through a second guide tube.
[0007] Preferably, the combined sheet is composed of a plurality of annular patches arranged from the inside to the outside.
[0008] Preferably, the drainage tube is telescopically installed in the ostomy bag.
[0009] Preferably, a hanging buckle is provided on the negative pressure bottle.
[0010] Preferably, the flow guide tube is made of medical silicone.
[0011] Preferably, the first guide tube is provided with a first one-way valve for one-way entry into the ostomy bag, and the second guide tube is provided with a second one-way valve for one-way entry into the negative pressure bottle.
[0012] The beneficial effects of the utility model are:
[0013] The utility model provides a negative pressure drainage device for assisting in the discharge of liquid and gas from the body, comprising an ostomy bag, an injection device and a negative pressure bottle; a through hole is opened on one side wall of the ostomy bag, a fitting sheet is arranged around the through hole, and the fitting sheet is arranged on the outer side wall of the ostomy bag; the injection device is connected to the bag opening of the ostomy bag through a first guide tube, and is connected to the negative pressure bottle through a second guide tube. When used for conventional stoma drainage assistance, the stoma bag is first attached around the stoma of the lesion, and the through hole is aligned with the stoma, and then the second drainage tube is passed through the through hole and the stoma, and the second drainage tube is placed in the lesion. The negative pressure bottle sucks out the accumulated fluid and gas through the second drainage tube, thereby realizing the auxiliary drainage and exhaust of the conventional stoma; when used for lesions such as rectostomy or colostomy where the accumulated fluid or gas can be discharged directly from the anus, the stoma bag is directly attached to the anus, and the through hole is aligned with the anus, and the accumulated fluid and gas directly enter the stoma bag from the anus, and then are sucked into the negative pressure bottle from the stoma bag through the second drainage tube. The utility model can be used in different lesion conditions and has a wider application range. At the same time, when applied to situations such as rectostomy and colostomy, the patient's comfort level is higher when the second drainage tube is not inserted into the stoma for drainage and exhaust. When used for excretion of watery stool, the second drainage tube is inserted into the anus to assist in excretion, and the excreted feces can be directly collected in the negative pressure bottle, and after drainage and exhaust, the feces in the negative pressure bottle can be processed. When enema is needed to clean the intestine or assist in defecation, the stoma bag is tightly fitted to the anus, and the first drainage tube is extended into the anus through the through hole, and clean water is injected through the injection device for enema and cleaning, and then the liquid injected into the intestine and the feces are discharged into the negative pressure bottle through the second drainage tube, which is more convenient and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model when the drainage tube needs to pass through the stoma.
[0015] Figure 2 It is a structural schematic diagram of the utility model in which the drainage tube is located in the ostomy bag.
[0016] In the figure: 1-ostomy bag, 11-through hole, 12-fitting sheet, 13-catheter mounting block, 2-injection device, 21-first guide tube, 22-first one-way valve, 3-negative pressure bottle, 31-hanging buckle, 32-second guide tube, 33-second one-way valve. DETAILED DESCRIPTION
[0017] In this embodiment, if Figure 1 and Figure 2A negative pressure drainage device for assisting in the discharge of fluid and gas from the body is shown, which comprises an ostomy bag 1, an injection device 2 and a negative pressure bottle 3; a through hole 11 is opened on one side wall of the ostomy bag 1, a bonding sheet 12 is arranged around the through hole 11, and the bonding sheet 12 is arranged on the outer side wall of the ostomy bag 1; the bag opening of the ostomy bag 1 is connected to the injection device 2 through a first guide tube 21, and is connected to the negative pressure bottle 3 through a second guide tube 32. When used for conventional stoma drainage assistance, the stoma bag 1 is first attached around the stoma of the lesion, and the through hole 11 is aligned with the stoma, and then the second guide tube 32 is passed through the through hole 11 and the stoma, and the second guide tube 32 is placed in the lesion. The negative pressure bottle 3 sucks out the accumulated fluid and gas through the second guide tube 32, thereby realizing the auxiliary drainage and exhaust of the conventional stoma; when used in situations such as rectostomy or colostomy where the accumulated fluid or gas can be discharged directly from the anus, the stoma bag 1 is directly attached to the anus, and the through hole 11 is aligned with the anus, and the accumulated fluid and gas directly enter the stoma bag from the anus, and then are sucked into the negative pressure bottle 3 from the stoma bag 1 through the second guide tube 32. The utility model can be used in different lesion conditions and has a wider scope of application. At the same time, when applied to situations such as rectal stoma and colostomy, the patient's comfort level is higher when the second drainage tube 32 is not inserted into the stoma for drainage and exhaust. When used for excretion of watery stool, the second drainage tube 32 is inserted into the anus to assist in excretion, and the excreted feces can be directly collected in the negative pressure bottle 3. After drainage and exhaust, the feces in the negative pressure bottle 3 can be processed. When enema is needed to clean the intestine or assist defecation, the stoma bag 1 is tightly fitted to the anus, and the first drainage tube 21 is extended into the anus through the through hole 11, and then clean water is injected through the injection device 2 for enema and cleaning. Subsequently, the liquid injected into the intestine and the feces are discharged into the negative pressure bottle 3 through the second drainage tube 32, which is more convenient and quick to use.
[0018] In this embodiment, the negative pressure bottle 3 is a negative pressure bottle with a built-in regulating valve, so that the internal pressure of the negative pressure bottle 3 can be regulated.
[0019] In this embodiment, the injection device 2 may be a syringe or a micro water pump or other element capable of implementing liquid input.
[0020] In this embodiment, the first flow guiding tube 21 and the second flow guiding tube 32 are telescopically installed in the ostomy bag 1 .
[0021] Specifically, Figure 2 As shown, a catheter mounting block 13 is provided at the bag opening of the ostomy bag 1, and two mounting holes are provided in the catheter mounting block 13. The first guide tube 21 and the second guide tube 32 can be slidably installed in the mounting holes. When the first guide tube 21 or the second guide tube 32 needs to be inserted into the stoma, the first guide tube 21 or the second guide tube 32 at the catheter mounting block 13 can be pushed.
[0022] In other embodiments, the bag opening of the ostomy bag 1 is tied to the first guide tube 21 and the second guide tube 32. When it is necessary to adjust the length of the first guide tube 21 or the second guide tube 32, the bag opening of the ostomy bag 1 is loosened, and the penetration length of the first guide tube 21 or the second guide tube 32 can be adjusted. After adjusting the insertion length, the bag opening of the ostomy bag 1 can be tightened.
[0023] In this embodiment, the patch 12 is composed of a plurality of annular patches arranged from the inside to the outside. When not in use, a protective film is attached to the surface of the annular patch. When in use, according to the size of the stoma, part of the protective film can be torn off and the patch can be attached around the stoma, which has a wider application range. For example, when the stoma is small, only the protective film of the inner ring patch can be torn off, and the stoma bag 1 can be attached only around the lesion.
[0024] In this embodiment, a hanging buckle 31 is provided on the negative pressure bottle 3, and the hanging buckle 31 is used to hang the negative pressure bottle 3 at a designated position (such as a medical hanging frame, etc.).
[0025] In this embodiment, a first one-way valve 22 is provided on the first flow guide tube 21, and the first one-way valve 22 only allows the liquid in the injection device 2 to pass through the first flow guide tube 21 in one direction, thereby preventing the fecal liquid after enema cleaning from reversely entering the injection device 2. A second one-way valve 33 is provided on the second flow guide tube 32, and the second one-way valve 33 only allows the liquid or gas in the ostomy bag 1 or the second flow guide tube 32 to enter the negative pressure bottle 3 in one direction.
[0026] In this embodiment, both the first flow guide tube 21 and the second flow guide tube 32 are made of medical silicone. Medical silicone has good biocompatibility, is non-irritating, non-toxic, has no allergic reaction to human tissue, and has very little body rejection reaction; it has good physical and chemical properties, can maintain its original elasticity and softness during contact with body fluids and tissues, will not be degraded in the human body, and is a fairly stable inert substance.
[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0029] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A negative pressure drainage device for assisting in the discharge of fluid and gas from the body, characterized in that: It comprises an ostomy bag (1), an injection device (2) and a negative pressure bottle (3); A through hole (11) is formed on one side wall of the ostomy bag (1), a bonding sheet (12) is arranged around the through hole (11), and the bonding sheet (12) is arranged on the outer side wall of the ostomy bag (1); The bag opening of the ostomy bag (1) is connected to an injection device (2) via a first flow guide tube (21), and is connected to a negative pressure bottle (3) via a second flow guide tube (32).
2. A negative pressure drainage device for assisting in the discharge of fluid and gas from the body according to claim 1, characterized in that: The bonding sheet (12) is composed of a plurality of annular patches arranged from the inside to the outside.
3. A negative pressure drainage device for assisting in the discharge of fluid and gas from the body according to claim 1, characterized in that: The first flow guiding tube (21) and the second flow guiding tube (32) can both be telescopically installed in the ostomy bag (1).
4. A negative pressure drainage device for assisting in the discharge of fluid and gas from the body according to claim 1, characterized in that: The negative pressure bottle (3) is provided with a hanging buckle (31).
5. A negative pressure drainage device for assisting in the discharge of fluid and gas from the body according to claim 1, characterized in that: The first flow guiding tube (21) and the second flow guiding tube (32) are both made of medical silica gel.
6. A negative pressure drainage device for assisting in the discharge of fluid and gas from the body according to claim 1, characterized in that: The first flow guide tube (21) is provided with a first one-way valve (22) for one-way entry into the ostomy bag (1), and the second flow guide tube (32) is provided with a second one-way valve (33) for one-way entry into the negative pressure bottle (3).