Disposable enema device

By designing a disposable enema device containing temperature control and pressure control components, the existing enema device is solved incomplete cleaning and uneven heating of enema liquid, and uniform heating of enema liquid is achieved, and the risk of cross-infection is reduced.

CN119868699APending Publication Date: 2025-04-25RUIJIN HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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Patent Information

Application Number
CN202411994625.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-04-25

AI Technical Summary

Technical Problem

The existing enema device is not completely cleaned and can easily breed bacteria and increase the risk of cross-infection. At the same time, a heat pump is installed in the cavity of the liquid storage bag that cannot achieve uniform heating of the enema liquid.

Method used

A disposable enema device is designed, including a cylindrical liquid storage bag, an internal temperature control assembly and pressure control assembly, a catheter and anal tube. The liquid storage bag consists of three annular cavity for storing enema fluid, temperature control assembly and pressure control assembly. The temperature control component realizes uniform heating of enema fluid through the liquid heating layer and the heat exchange component, and the pressure control component adjusts the pressure of enema fluid through the airbag and pressure adjustment interface.

Benefits of technology

The uniform heating and pressure regulation of enema fluid is achieved, which avoids the risk of cross-infection and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of medical care, in particular to a disposable enema device which comprises a cylindrical liquid storage bag used for storing enema liquid, a temperature control assembly arranged in the liquid storage bag, a pressure control assembly, a catheter connected with a bottom outlet of the liquid storage bag and an anal tube connected with the end, away from the liquid storage bag, of the catheter. The liquid storage bag is provided with three annular cavities from outside to inside, namely an inner-layer enema accommodating cavity, a middle-layer temperature control component accommodating cavity and an outer-layer pressure control component accommodating cavity; the top of the liquid storage bag is provided with a heat exchange assembly communicating with the temperature control assembly. According to the disposable enema device provided by the invention, the liquid heating layer is arranged, so that uniform heating of enema liquid can be realized; the pressure of the enema accommodating cavity can be uniformly controlled through the air bag, so that the flow rate of the enema can be adjusted.
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Description

Technical Field

[0001] The invention relates to the technical field of medical care, in particular to a disposable enema device. Background Art

[0002] The traditional enema device is a medical device specially used for intestinal cleaning and enema treatment. It achieves the purpose of cleaning the intestine, softening feces, treating diseases, etc. by injecting specific liquid medicines or detergents into the intestine. The enema device is mainly composed of components such as a liquid storage bag, a catheter, an anal canal and a control valve. When working, the medical staff first transports the irrigation liquid in the liquid storage bag to the anal canal through the catheter, and then adjusts the flow rate and flow of the liquid through the control valve to achieve intestinal irrigation. Existing enema devices are usually made of metal or plastic, and need to be cleaned and disinfected after use for reuse. However, this kind of device has hygienic problems such as incomplete cleaning and easy breeding of bacteria, which increases the risk of cross infection. In order to control the temperature of the enema liquid, the existing disposable enema device is provided with a heating pump in the inner cavity of the liquid storage bag, but this setting cannot achieve uniform heating of the enema liquid and there are certain hygienic problems.

[0003] Therefore, it is very important to provide a technical solution that can solve the above technical problems. Summary of the invention

[0004] In order to solve the above problems, the object of the present invention is to provide a disposable enema device.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] The present invention provides a disposable enema device, comprising a cylindrical liquid storage bag for storing enema liquid, a temperature control component and a pressure control component arranged inside the liquid storage bag, a catheter connected to the bottom outlet of the liquid storage bag, and an anal canal connected to the end of the catheter away from the liquid storage bag;

[0007] The liquid storage bag has three annular cavities from the outside to the inside, which are the inner enema liquid accommodating cavity, the middle temperature control component accommodating cavity and the outer pressure control component accommodating cavity; the top of the liquid storage bag is provided with a heat exchange component connected to the temperature control component;

[0008] The pressure control component is used to adjust the pressure of the enema liquid containing chamber;

[0009] The heat exchange component (reusable) is used to adjust the temperature of the temperature control component;

[0010] The temperature control component is used to adjust the temperature of the enema solution in the liquid storage bag;

[0011] A weight sensor (reusable) for monitoring the amount of enema liquid in the liquid storage bag is arranged at the bottom of the liquid storage bag.

[0012] In one embodiment of the present invention, a hook is provided at the middle position of the top of the liquid storage bag (for hanging the liquid storage bag on an infusion stand or other support frame);

[0013] One side of the hook is provided with a liquid adding port (for injecting the prepared enema liquid), and the other side is provided with a medicine adding port (for increasing the corresponding medicine dosage during the enema according to the patient's condition).

[0014] In one embodiment of the present invention, the pressure control assembly includes an airbag laid on the side wall of the liquid storage bag, and a pressure regulating interface connected to the airbag is provided on the side wall of the liquid storage bag.

[0015] In one embodiment of the present invention, the temperature control component includes a liquid heating layer laid on the inner side of the airbag, and a liquid inlet pipe and a liquid outlet pipe for connecting the liquid heating layer and the heat exchange component.

[0016] In one embodiment of the present invention, the top of the liquid storage bag is provided with a liquid inlet and a liquid outlet connected to the liquid heating layer;

[0017] One end of the liquid inlet pipe is connected to the liquid inlet, and the other end is connected to the heat exchange component;

[0018] One end of the liquid outlet pipe is connected to the liquid outlet, and the other end is connected to the heat exchange component.

[0019] In one embodiment of the present invention, the heat exchange assembly includes a heat exchanger disposed on the top of the liquid storage bag, a liquid inlet pump disposed at the outlet of the heat exchanger, and a liquid outlet pump disposed at the inlet of the heat exchanger.

[0020] In one embodiment of the present invention, the liquid inlet pipe is connected to the heat exchanger via a liquid outlet pump, and the liquid outlet pipe is connected to the heat exchanger via a heat inlet pump.

[0021] In one embodiment of the present invention, there are more than two weight sensors, which are symmetrically arranged along the center of the bottom of the liquid storage bag (for accurately monitoring the amount of enema liquid in the liquid storage bag).

[0022] In one embodiment of the present invention, a control valve for controlling the flow rate of the enema liquid is provided on the catheter.

[0023] In one embodiment of the present invention, a scale is provided on the outer surface of the anal canal, and the scale is used to reflect the length of the anal canal entering the patient's body.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] (1) Easy to use: The disposable enema device provided by the present invention is easy to operate and does not require special skills. Both medical staff and patients can easily master it.

[0026] (2) Safety and hygiene: The disposable enema device provided by the present invention avoids the risk of cross infection.

[0027] (3) Precise temperature and pressure control: The provision of a liquid heating layer in the disposable enema device provided by the present invention can achieve uniform heating of the enema liquid; the provision of an air bag can uniformly control the pressure of the enema liquid containing chamber to achieve regulation of the flow rate of the enema liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of a disposable enema device of the present invention;

[0029] Figure 2 A positional relationship diagram of a heat exchange component, a liquid inlet, a liquid outlet, a liquid inlet pipe, and a liquid outlet pipe in a disposable enema device of the present invention;

[0030] Numbers in the figure: 1. Liquid storage bag; 2. Liquid adding port; 3. Drug adding port; 4. Hook; 5. Liquid heating layer; 6. Liquid inlet; 7. Liquid outlet; 8. Liquid inlet pipe; 9. Liquid outlet pipe; 10. Air bag; 11. Pressure regulating interface; 12. Weight sensor; 13. Catheter; 14. Control valve; 15. Anal tube; 16. Scale; 17. Heat exchange component. DETAILED DESCRIPTION

[0031] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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.

[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0035] In the following embodiments, unless otherwise specified, the structures or components used are conventional structures or components in the art, as long as they can achieve the corresponding functions.

[0036] Example 1

[0037] This embodiment provides a disposable enema device, such as Figures 1-2 As shown, it includes a cylindrical liquid storage bag 1 for storing enema liquid, a temperature control component and a pressure control component arranged inside the liquid storage bag 1, a catheter 13 connected to the bottom outlet of the liquid storage bag 1, and an anal canal 15 connected to the end of the catheter 13 away from the liquid storage bag 1; the liquid storage bag 1 has three annular cavities from the outside to the inside, which are an inner enema liquid containing cavity, a middle temperature control component containing cavity and an outer pressure control component containing cavity; a heat exchange component 17 connected to the temperature control component is arranged on the top of the liquid storage bag 1; the pressure control component is used to adjust the pressure of the enema liquid containing cavity; the heat exchange component 17 is used to adjust the temperature of the temperature control component; the temperature control component is used to adjust the temperature of the enema liquid in the liquid storage bag 1; the bottom of the liquid storage bag 1 allows or does not allow a weight sensor 12 for monitoring the amount of enema liquid in the liquid storage bag 1.

[0038] Furthermore, a hook 4 is provided at the middle position of the top of the liquid storage bag 1, which is used to hang the liquid storage bag 1 on an infusion stand or other supporting frame; one side of the hook 4 is provided with a liquid filling port 2 for filling the configured enema liquid, and the other side is provided with a drug filling port 3 for increasing the corresponding drug dosage during the enema according to the patient's condition.

[0039] Furthermore, the pressure control component includes an airbag 10 laid on the side wall of the liquid storage bag 1, and a pressure regulating interface 11 connected to the airbag 10 is provided on the side wall of the liquid storage bag 1. The pressure in the airbag 10 can be increased or decreased by using an external pressure regulating component through the pressure regulating interface 11 (the external pressure regulating component inflates the airbag 10 through the pressure regulating interface 11 to increase the pressure in the airbag 10, and the external pressure regulating component deflates the airbag 10 through the pressure regulating interface 11 to reduce the pressure in the airbag 10), further realizing the squeezing or extension of the enema liquid holding cavity, thereby assisting in adjusting the flow rate of the enema liquid;

[0040] Furthermore, the temperature control component includes a liquid heating layer 5 laid on the inner side of the airbag 10, and a liquid inlet pipe 8 and a liquid outlet pipe 9 for connecting the water layer of the liquid heating layer 5 with the heat exchange component 17. The top of the liquid storage bag 1 is provided with a liquid inlet 6 and a liquid outlet 7 connected to the liquid heating layer 5; the heat exchange component 17 includes a heat exchanger arranged on the top of the liquid storage bag 1, a liquid inlet pump arranged at the outlet position of the heat exchanger, and a liquid outlet pump arranged at the inlet position of the heat exchanger;

[0041] The liquid inlet pipe 8 is integrally formed with the liquid inlet 6, and the liquid outlet pipe 9 is integrally formed with the liquid outlet 7; the side of the liquid inlet pipe 8 away from the liquid inlet 6 is connected to the outlet of the heat exchanger through a liquid outlet pump; the side of the liquid outlet pipe 9 away from the liquid outlet 7 is connected to the inlet of the heat exchanger through a liquid inlet pump.

[0042] The heat exchanger is intended to convert the low-temperature liquid in the liquid heating layer 5 into liquid of a desired temperature (which can be adjusted according to actual conditions).

[0043] Furthermore, the weight sensor 12 is bonded to the bottom of the liquid storage bag 1 and is arranged at the bottom of the inner enema liquid containing cavity; preferably, there are more than two weight sensors 12, and they are symmetrically arranged along the center position of the bottom of the liquid storage bag 1, for accurately monitoring the amount of enema liquid in the liquid storage bag 1.

[0044] Furthermore, the conduit 13 is provided with a control valve 14 for controlling the flow rate of the enema liquid.

[0045] Furthermore, a scale 16 is provided on the outer surface of the anal canal 15 , and the scale 16 is used to reflect the length of the anal canal 15 entering the patient's body.

[0046] It should be noted that the heat exchange component 17 and the weight sensor 12 can be recycled, and other components can be sterilized; the heat exchanger, the liquid inlet pump, and the liquid outlet pump can be manually adjusted.

[0047] When used, the following steps are included:

[0048] (S1) The medical staff checks whether the disposable enema device is intact, then adds the liquid heating medium into the middle layer of the liquid storage bag 1 as the liquid heating layer, and connects the liquid inlet pipe 8 and the liquid outlet pipe 9 to the heat exchange component 17;

[0049] (S2) The patient takes an appropriate position, and the medical staff gently inserts the anal cannula 15 into the patient's anus;

[0050] (S3) The medical staff adjusts the control valve 14 to allow the irrigation fluid to slowly flow into the intestine;

[0051] (S4) Observe the patient's response and adjust the liquid flow and speed as needed (adjust the control valve 14 and / or the pressure regulating interface 11);

[0052] (S5) After the irrigation is completed, the medical staff slowly pulls out the anal tube 15 and cleans the patient's anal area.

[0053] Example 2

[0054] Compared with Example 1, this embodiment is the same as Example 1 except that the weight sensor is not provided.

[0055] The above description of the embodiments is to facilitate the understanding and use of the invention by those skilled in the art. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the explanation of the present invention without departing from the scope of the present invention should be within the scope of protection of the present invention.

Claims

1. A disposable enema device, characterized in that: It comprises a cylindrical liquid storage bag (1) for storing enema liquid, a temperature control component and a pressure control component arranged inside the liquid storage bag (1), a catheter (13) connected to the bottom outlet of the liquid storage bag (1), and an anal tube (15) connected to the end of the catheter (13) away from the liquid storage bag (1); The liquid storage bag (1) has three annular cavities from the outside to the inside, namely an inner enema liquid accommodating cavity, a middle temperature control component accommodating cavity and an outer pressure control component accommodating cavity; a heat exchange component (17) connected to the temperature control component is arranged on the top of the liquid storage bag (1); The pressure control component is used to adjust the pressure of the enema liquid containing chamber; the heat exchange component (17) is used to adjust the temperature of the temperature control component; the temperature control component is used to adjust the temperature of the enema liquid in the liquid storage bag (1).

2. A disposable enema device according to claim 1, characterized in that: A hook (4) is provided at the middle position of the top of the liquid storage bag (1); a liquid adding port (2) is provided on one side of the hook (4), and a drug adding port (3) is provided on the other side; A weight sensor (12) for monitoring the amount of enema liquid in the liquid storage bag (1) is arranged at the bottom of the liquid storage bag (1).

3. A disposable enema device according to claim 1, characterized in that: The pressure control assembly comprises an air bag (10) laid on the side wall of the liquid storage bag (1), and a pressure regulating interface (11) connected to the air bag (10) is arranged on the side wall of the liquid storage bag (1).

4. A disposable enema device according to claim 1, characterized in that: The temperature control component comprises a liquid heating layer (5) laid on the inner side of the air bag (10), and a liquid inlet pipe (8) and a liquid outlet pipe (9) for connecting the liquid heating layer (5) and the heat exchange component (17).

5. A disposable enema device according to claim 4, characterized in that: The top of the liquid storage bag (1) is provided with a liquid inlet (6) and a liquid outlet (7) which are connected to the liquid heating layer (5); one end of the liquid inlet pipe (8) is connected to the liquid inlet (6), and the other end is connected to the heat exchange component (17); one end of the liquid outlet pipe (9) is connected to the liquid outlet (7), and the other end is connected to the heat exchange component (17).

6. A disposable enema device according to claim 5, characterized in that: The heat exchange assembly (17) comprises a heat exchanger arranged on the top of the liquid storage bag (1), a liquid inlet pump arranged at the outlet of the heat exchanger, and a liquid outlet pump arranged at the inlet of the heat exchanger.

7. A disposable enema device according to claim 6, characterized in that: The liquid inlet pipe (8) is connected to the heat exchanger via a liquid outlet pump, and the liquid outlet pipe (9) is connected to the heat exchanger via a heat inlet pump.

8. A disposable enema device according to claim 1, characterized in that: The weight sensors (12) are provided in plurality and are symmetrically arranged along the center position of the bottom of the liquid storage bag (1).

9. A disposable enema device according to claim 1, characterized in that: The conduit (13) is provided with a control valve (14) for controlling the flow rate of the enema liquid.

10. A disposable enema device according to claim 1, characterized in that: The outer surface of the anal canal (15) is provided with a scale (16).