Double-channel drainage device

Abstract

The utility model discloses a double-channel drainage device which comprises a leading-in pipe section and a leading-out pipe section, a drainage pipe section is communicated between the leading-in pipe section and the leading-out pipe section, a drainage blocking device is arranged on the drainage pipe section, a dredging pipe section is further communicated between the leading-in pipe section and the leading-out pipe section, and a pressure applying air bag is connected to the dredging pipe section in series. A one-way circulation control device is arranged in the pressure applying air bag; under the cooperation of the drainage tube section and the dredging tube section, a double-channel drainage structure is formed, and effusion in the body of a patient is led out of the body; under the action of negative pressure formed by the pressure applying air bag, dredging after drainage blockage is completed, the one-way circulation control device ensures that the leading-in pipe section and the air bag can only be in one-way conduction towards the leading-out pipe section in the dredging process, and therefore the possibility of gas ascending is eradicated, dredging of blockage of the leading-in pipe section is safe and reliable, the overall structure is simple and novel, and operation is convenient. The operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tools for draining postoperative body fluid accumulation, in particular to a double-channel drainage device. Background Art

[0002] After gastrointestinal surgery, patients need to undergo gastrointestinal decompression, that is, drain the fluid in the gastrointestinal tract to the outside of the body to reduce the pressure in the abdominal cavity. At the same time, it can also reduce the pressure in the gastrointestinal tract, which is beneficial to the healing of the patient's anastomosis. At present, the drainage of effusion is divided into two parts: ① The drainage tube with the end inserted into the gastrointestinal tract. ② The drainage device connected to the end of the drainage tube outside the body. The drained effusion is temporarily stored in the effusion bag at the end of the drainage device. Because the effusion is mixed with thrombus, gastrointestinal debris, gastric juice sediment, etc., the drainage tube is prone to blockage. If not discovered in time, the effusion will accumulate in the patient's body, increasing medical risks.

[0003] like Figure 8 As shown, in order to avoid the above situation, it is necessary to connect a balloon 82 capable of generating negative pressure in series to the pipeline 81 of the drainage device to apply negative pressure to the drainage tube 83. Since the gas and liquid in the balloon 82 will be pressed into the fluid accumulation bag during dredging, the balloon 82 will enter a negative pressure state. At the moment of releasing the pressure on the balloon 82, the accumulated fluid in the body will quickly flow into the balloon 82 through the drainage tube 83 and the pipeline 81 under the action of the negative pressure of the balloon 82. At this time, the balloon 82 can be repeatedly pressed to continue to dredge the drainage tube 83 until the entire drainage channel is unblocked. Since the airbag 82 is normally in an open state, the upper end of the pipeline 81 needs to be closed with the help of a stop valve when pressure is applied, so that the gas or liquid in the airbag 82 can be discharged into the fluid accumulation bag; after the pressure of the airbag 82 is stopped, the section of the pipe close to the end of the fluid accumulation bag is closed with the help of a stop valve, and the stop valve at the end of the pipeline 81 near the drainage tube 83 is opened, and the fluid in the body flows into the airbag 82 under the action of negative pressure. However, during the above operation, especially when the airbag 82 is pressed, a small amount of liquid will inevitably flow back into the human body when the end of the pipeline 81 near the drainage tube 83 is turned from open to closed, which will bring infection risks; when the airbag 82 stops generating negative pressure, the stop valve at the end of the airbag 82 near the effusion bag is turned from open to closed. During the opening and closing conversion process, the gas or liquid in the effusion bag will flow back into the airbag 82, causing the drainage suction of the airbag 82 on the drainage tube 83 to be weakened, or even no drainage suction can be generated, thereby affecting the unblocking effect and efficiency of the pipeline. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a dual-channel drainage device which has a simple structure, can avoid the backflow phenomenon caused by the blockage of the dredging channel, and is simple and convenient to operate.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a dual-channel drainage device, including an inlet pipe section for draining the accumulated fluid from the patient's body and an outlet pipe section for sending the accumulated fluid to storage, a drainage pipe section is connected between the inlet pipe section and the outlet pipe section, and a drainage blocking device for controlling the on and off of the drainage pipe section is provided in cooperation with the drainage pipe section, a dredging pipe section is also connected between the inlet pipe section and the outlet pipe section, and a pressure airbag is serially connected to the dredging pipe section for blocking and dredging the inlet pipe section, and a one-way flow control device is provided in the pressure airbag for keeping the dredging pipe section from flowing only in the direction of the outlet pipe section when pressure dredging is applied.

[0006] As a preferred technical solution, the pressure airbag includes an airbag body, both ends of which are sealed and plugged with pipe section joints, the airbag body is sealed and connected in series to the dredging pipe section through the two pipe section joints, and the one-way flow control device is arranged on the two pipe section joints in the airbag body.

[0007] As a preferred technical solution, the one-way flow control device includes two valve-type one-way hoses. The pipe section joint located at the upper part of the airbag body is sleeved and extends to the interior of the valve-type one-way hose, and the pipe section joint located at the lower part of the airbag body is sleeved on the outside of the valve-type one-way hose, and the one-way control ends of the two valve-type one-way hoses are both set downward.

[0008] As a preferred technical solution, the valve-type one-way hose includes a hose body, one end of which is formed with a set convex ring for easy assembly operation, and two tube wall valve parts with reduced thickness are relatively provided on the tube wall of the hose body, and the two tube wall valve parts are respectively arranged on the hose body at an asymptotic inclination toward one end away from the set convex ring, and the two tube wall valve parts are fitted at the end of the hose body.

[0009] As a preferred technical solution, the two tube wall valve parts are respectively configured as semi-elliptical structures.

[0010] As a preferred technical solution, the drainage blocking device is configured as an infusion tube flow-stopping clamp serially connected to the drainage tube section or an infusion tube flow-stopping valve movably sleeved on the drainage tube section.

[0011] As an improvement to the above technical solution, the liquid outlet end of the lead-out pipe section is connected to a liquid accumulation bag, the top end of the liquid accumulation bag is provided with a pressure regulating port, and the bottom end of the liquid accumulation bag is provided with a liquid discharge pipe.

[0012] Due to the adoption of the above technical scheme, the dual-channel drainage device comprises an inlet pipe section for draining the accumulated fluid from the patient's body and an outlet pipe section for sending the accumulated fluid to storage, the inlet pipe section and the outlet pipe section are connected with a drainage pipe section, and a drainage blocking device for controlling the on-off of the drainage pipe section is provided in cooperation with the drainage pipe section, and a dredging pipe section is also connected between the inlet pipe section and the outlet pipe section, and a pressure airbag for blocking and dredging the inlet pipe section is connected in series to the dredging pipe section, and a one-way flow control device for keeping the inlet pipe section flowing only in the direction of the outlet pipe section when pressure is applied and dredging is provided in the pressure airbag; the utility model has the following beneficial effects: the drainage pipe section and the dredging pipe section cooperate to form a dual-channel drainage structure, The accumulated fluid in the patient's body is drained out of the body; when the introduction tube segment is blocked, the drainage tube segment is blocked by the drainage blocking device, and the introduction tube segment is formed with a pressure airbag to form a negative pressure. Under the action of the negative pressure, the obstruction blocked in the introduction tube segment is sucked into the pressure airbag. When the negative pressure is formed by the pressure airbag again, the obstruction is discharged from the pressure airbag and enters the fluid bag through the outlet tube segment. After the blockage is cleared, the drainage blocking device is reset to make the drainage tube segment conductive. In the process of forming negative pressure by the pressure airbag, the one-way flow control device ensures that the introduction tube segment and the pressure airbag can only be unidirectionally conducted toward the outlet tube segment, thereby eliminating the possibility of gas upward movement, making the blockage of the introduction tube segment safe and reliable, and the overall structure is simple, novel, and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention.

[0014] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the changing state of the flow-stop valve of the infusion tube of the utility model embodiment;

[0016] Figure 3 This is a schematic diagram of the structure of the flow stop clamp for an infusion tube according to an embodiment of the utility model;

[0017] Figure 4 It is a schematic cross-sectional structure diagram of a pressure-applying airbag according to an embodiment of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the valve-type one-way hose of the utility model embodiment;

[0019] Figure 6 This is a schematic diagram of the drainage route of an embodiment of the utility model;

[0020] Figure 7 It is a schematic diagram of the dredging route of the introduction pipe section of the embodiment of the utility model;

[0021] Figure 8 It is a structural schematic diagram of the prior art;

[0022] In the figure: 1-inlet pipe section; 2-outlet pipe section; 3-drainage pipe section; 4-infusion tube stop clamp; 5-infusion tube stop valve; 51-four-way pipe; 52-connecting shaft; 53-push-pull rod; 6-unblocking pipe section; 7-airbag body; 8-pipe section joint; 9-valve-type one-way hose; 91-hose body; 92-set convex ring; 93-tube wall valve part; 10-fluid effusion bag; 11-pressure regulating port; 12-liquid discharge tube; 81-drainage tube; 82-airbag; 83-drainage tube. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and examples. In the following detailed description, only certain exemplary embodiments of the present invention are described by way of illustration. Needless to say, those skilled in the art will recognize that the described embodiments may be modified in various ways without departing from the spirit and scope of the present invention. Therefore, the drawings and descriptions are illustrative in nature and are not intended to limit the scope of protection of the claims.

[0024] like Figure 1 As shown, the dual-channel drainage device includes an inlet pipe segment 1 for draining the accumulated fluid from the patient's body and an outlet pipe segment 2 for sending the accumulated fluid out for storage, and a drainage pipe segment 3 is connected between the inlet pipe segment 1 and the outlet pipe segment 2. The inlet pipe segment 1 is more susceptible to blockage due to blood clots, tissue debris, etc. carried in the accumulated fluid. This embodiment is mainly used to clear the blockage of this pipe segment.

[0025] In this embodiment, a drainage blocking device for controlling the on and off of the drainage tube section 3 is provided in conjunction with the drainage tube section 3. The drainage blocking device is configured as an infusion tube flow stop clamp 4 connected in series to the drainage tube section 3, an infusion tube flow stop valve 5 movably sleeved on the drainage tube section 3, or other commonly used blocking valves and blocking switches on the infusion pipeline. Figure 2The infusion tube stop valve 5 shown in the figure needs to cut off the drainage tube segment 3 and connect it to the two ports of the infusion tube stop valve 5. The valve includes a cross-shaped four-way tube 51 structure, wherein two opposite tube ports are connected to two broken ends of the drainage tube segment 3, and a connecting shaft 52 is provided between the two ports of the drainage tube segment 3. Both ends of the connecting shaft 52 are respectively connected to push-pull rods 53, and the two push-pull rods 53 are located on the other two opposite tube segments of the four-way tube 51. The position of the connecting shaft 52 is changed by the push-pull rods 53, such as making it face the two broken ends of the drainage tube segment 3 to connect the drainage tube segment 3, and making the push-pull rods 53 face the two broken ends of the drainage tube segment 3 to block the drainage tube segment 3, thereby realizing the on-off control of the drainage tube segment 3. Figure 3 The figure shows the structure of the infusion tube flow stop clamp 4. When in use, the drainage tube section 3 is passed through and sleeved on the infusion tube flow stop clamp 4.

[0026] The inlet pipe section 1 and the outlet pipe section 2 are also connected with a dredging pipe section 6, on which a pressure-applying airbag is connected in series for dredging the blockage of the inlet pipe section 1, and a one-way flow control device is arranged inside the pressure-applying airbag for keeping the dredging pipe section 6 flowing only in the direction of the outlet pipe section 2 during pressure-applying dredging. The pressure-applying airbag can generate negative pressure in the dredging pipe section 6, and the obstruction and accumulated fluid in the inlet pipe section 1 are strongly sucked into the pressure-applying airbag. When the pressure-applying airbag is squeezed again to generate negative pressure, the obstruction and accumulated fluid can be discharged through the outlet pipe section 2. In the process of using the pressure-applying airbag to generate negative pressure to dredge the blockage, the one-way flow control device ensures that the obstruction and accumulated fluid in the inlet pipe section 1 and the gas of the pressure-applying airbag can only be discharged downward through the outlet pipe section 2, and cannot enter the patient's body upward or downward, thereby ensuring the safe implementation of the dredging of the blockage of the inlet pipe section 1.

[0027] like Figure 4 As shown, the pressure airbag includes an airbag body 7, and the two ends of the airbag body 7 are respectively sealed and plugged with pipe section joints 8, and the airbag body 7 is sealed and serially connected to the dredging pipe section 6 through the two pipe section joints 8, and the one-way flow control device is arranged on the two pipe section joints 8 in the airbag body 7. When in use, in conjunction with the blocking state of the drainage pipe section 3, the airbag body 7 is squeezed by hand to discharge the internal gas through the lead-out pipe section 2, and the squeezing of the airbag body 7 is released, so that negative pressure can be formed in the channel connected by the airbag body 7, the upper half of the dredging pipe section 6 and the introduction pipe section 1, so as to forcefully suck out the obstruction in the introduction pipe section 1.

[0028] like Figure 5As shown, the one-way flow control device includes two valve-type one-way hoses 9, the pipe section joint 8 located at the upper part of the airbag body 7 is sleeved and extended to the inside of the valve-type one-way hose 9, and the pipe section joint 8 located at the lower part of the airbag body 7 is sleeved on the outside of the valve-type one-way hose 9, and the one-way control ends of the two valve-type one-way hoses 9 are both set downward to ensure that the accumulated liquid in the introduction pipe section 1 and the gas in the airbag body 7 can only flow downward to the lead-out pipe section 2. Of course, the one-way flow control device can also use a valve body with a one-way flow function or other one-way flow functional components.

[0029] Specifically, the valve-type one-way hose 9 includes a hose body 91, one end of which is formed with a set convex ring 92 for easy assembly operation, and the hose body 91 has two tube wall valve parts 93 with reduced thickness arranged on the tube wall, and the two tube wall valve parts 93 are respectively arranged on the hose body 91 to be asymptotically inclined toward one end away from the set convex ring 92, the two tube wall valve parts 93 are respectively arranged at the end of the hose body 91, and the two tube wall valve parts 93 are respectively arranged as semi-elliptical structures. In a natural state, the ends of the two tube wall valve portions 93 are fitted together. When the airbag body 7 is squeezed, the two tube wall valve portions 93 on the upper part will fit more tightly under the action of air pressure, thereby closing the upper channel of the airbag body 7, and the two tube wall valve portions 93 on the lower part will be opened under the action of air pressure to discharge the gas in the airbag body 7 from the channel below it; after releasing the squeezing of the airbag body 7, the two tube wall valve portions 93 located at the lower part of the airbag body 7 are closed, closing the channel below it, and a negative pressure environment is formed in the airbag body 7 due to the squeezing. Under the action of negative pressure, the two tube wall valve portions 93 on the upper part of the airbag body 7 are opened, so that the obstruction and accumulated fluid of the introduction pipe section 1 are sucked into the airbag body 7; when the airbag body 7 is squeezed again, the two tube wall valve portions 93 at the upper and lower positions are opened and closed alternately, so that the obstruction and accumulated fluid of the airbag body 7 can be cleaned.

[0030] The liquid outlet end of the lead-out pipe section 2 is connected to a fluid bag 10, a pressure regulating port 11 is provided on the fluid bag 10, an end cap that can be opened and closed is provided on the pressure regulating port 11, and a liquid discharge pipe 12 is provided at the bottom of the fluid bag 10. When pressure dredging is performed, the end cap is opened to balance the pressure inside and outside the fluid bag 10, i.e., the pipeline, so that the accumulated fluid in the lead-in pipe section 1 can be smoothly led out of the patient's body.

[0031] like Figure 6 As shown, this is the normal drainage state of this embodiment, the accumulated fluid sequentially passes through the inlet pipe section 1, the drainage pipe section 3 and the outlet pipe section 2 into the accumulated fluid bag 10 for storage; Figure 7The figure shows the dredging state of the introduction pipe section 1 in this embodiment. The hollow arrow in the figure indicates the direction of negative pressure gas discharge, and the solid arrow indicates the outflow direction of the obstruction and the effusion during the dredging process. The push-pull rod 53 is pushed to block the drainage pipe section 3, and the airbag body 7 is squeezed to form a negative pressure, and the obstruction and the effusion in the introduction pipe section 1 are introduced into the effusion bag 10 through the airbag body 7, the lower half of the dredging pipe section 6 and the lead-out pipe section 2, so as to achieve the dredging of the blockage of the introduction pipe section 1; after the introduction pipe section 1 is unblocked, the push-pull rod 53 is reset to make the drainage pipe section 3 conductive, and the normal effusion drainage state can be entered.

[0032] The description of the present invention is given for the purpose of illustration and description, and is not intended to be exhaustive or to limit the present invention to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific uses.

Claims

1. A dual-channel drainage device, comprising an inlet pipe section for draining the accumulated fluid from a patient's body and an outlet pipe section for delivering the accumulated fluid to a storage location, characterized in that: A drainage pipe section is connected between the inlet pipe section and the outlet pipe section, and a drainage blocking device is provided in cooperation with the drainage pipe section to control the on and off of the drainage pipe section. A dredging pipe section is also connected between the inlet pipe section and the outlet pipe section, and a pressure airbag is connected in series to the dredging pipe section for blocking and dredging the inlet pipe section. A one-way flow control device is provided in the pressure airbag to keep the dredging pipe section from flowing only in the direction of the outlet pipe section when pressure dredging is applied.

2. The dual-channel drainage device according to claim 1, characterized in that: The pressure airbag includes an airbag body, and both ends of the airbag body are sealed and inserted with pipe section joints. The airbag body is sealed and connected in series to the dredging pipe section through the two pipe section joints, and the one-way flow control device is arranged on the two pipe section joints in the airbag body.

3. The dual-channel drainage device according to claim 2, characterized in that: The one-way flow control device includes two valve-type one-way hoses. The pipe section joint located at the upper part of the airbag body is sleeved and extends to the interior of the valve-type one-way hose. The pipe section joint located at the lower part of the airbag body is sleeved on the outside of the valve-type one-way hose. The one-way control ends of the two valve-type one-way hoses are both set downward.

4. The dual-channel drainage device according to claim 3, characterized in that: The valve-type one-way hose includes a hose body, one end of which is formed with a set convex ring for easy assembly operation, two tube wall valve parts with reduced thickness are relatively arranged on the tube wall of the hose body, and the two tube wall valve parts are respectively arranged on the hose body to be gradually inclined toward one end away from the set convex ring, and the two tube wall valve parts are fitted at the end of the hose body.

5. The dual-channel drainage device according to claim 4, characterized in that: The two tube wall valve parts are respectively arranged as semi-elliptical structures.

6. The dual-channel drainage device according to claim 1, characterized in that: The drainage blocking device is configured as an infusion tube flow-stopping clamp serially connected to the drainage tube section or an infusion tube flow-stopping valve movably sleeved on the drainage tube section.

7. The dual-channel drainage device according to claim 1, characterized in that: The liquid outlet end of the lead-out pipe section is connected with a liquid accumulation bag, the top end of the liquid accumulation bag is provided with a pressure regulating port, and the bottom end of the liquid accumulation bag is provided with a liquid discharge pipe.

Images