Three-cavity drainage tube

Abstract

The utility model relates to a three-cavity drainage tube which comprises a main tube, and a plurality of drainage holes are evenly formed in the tube wall of the head end of the main tube at intervals. A flushing cavity and an air cavity are formed in the pipe wall of the main pipe, the flushing cavity is connected with a flushing pipe outside the main pipe, and a flushing hole is formed in the inner wall of the main pipe and communicated with the flushing cavity; the air cavity is connected with an air pipe outside the main pipe, an air hole is formed in the inner wall of the main pipe and communicated with the air cavity, a balloon is installed in the main pipe and is an elastic pipe body, the outer ring walls of the two ends of the pipe body are fixed to the inner wall of the main pipe in an adhesive mode respectively, and the middle of the outer wall of the pipe body right faces the air hole. The pipe wall, close to one side of the air hole, of the pipe body is jacked by air to deform and is close to the pipe wall on the opposite side to be partially attached, and the purpose of radial plugging in the main pipe is achieved. The balloon is a section of elastic tube body, and the outer ring walls at the two ends of the tube body are respectively adhered and fixed with the inner wall of the main tube, so that the operation is more convenient in actual production.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of medical apparatus and instruments, and relates to a drainage tube, in particular to a three-cavity drainage tube. BACKGROUND

[0002] CN116212208A discloses a three-cavity drainage tube, which comprises a main pipe, a plurality of drainage holes are formed on the wall of the main pipe near the head, and further comprises a flushing cavity, an air cavity and a balloon, the flushing cavity is formed in the wall of the main pipe, the outlet end of the flushing cavity is located below the drainage hole, a plurality of water outlets are formed on the inner wall of the main pipe at the outlet end of the flushing cavity, the air cavity is formed in the wall of the main pipe, a plurality of air holes are formed on the inner wall of the main pipe at the outlet end of the air cavity, and the inlet end of the air cavity is close to the tail of the main pipe; the balloon is made of rubber sheet and covers the air holes, and the periphery of the balloon is fixedly attached to the inner wall of the main pipe.

[0003] The patent has the problem that since the balloon is made of rubber sheet and is attached to the inner wall of the pipe, it is difficult to operate in a pipe with an inner diameter of 2.5 mm, and the rate of defective products is high in production. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of the prior art, and provides a three-cavity drainage tube, which solves the problems of complex production process and high defective products.

[0005] The utility model adopts the technical scheme that

[0006] A three-cavity drainage tube comprises a main pipe, a plurality of drainage holes are uniformly and spacedly formed on the wall of the head end of the main pipe, a connector is installed at the tail end of the main pipe, and a drainage device is connected through the connector; a flushing cavity and an air cavity are formed on the wall of the main pipe, the flushing cavity is connected with a flushing pipe outside the main pipe, a flushing hole is formed on the inner wall of the main pipe, and the flushing hole is in communication with the flushing cavity; the air cavity is connected with an air pipe outside the main pipe, an air hole is formed on the inner wall of the main pipe, and the air hole is in communication with the air cavity; a balloon is installed in the main pipe, the balloon is installed between the flushing hole and the drainage hole in the main pipe, the balloon is a section of elastic pipe body, the outer ring walls of the two ends of the pipe body are fixedly attached to the inner wall of the main pipe, and the outer wall of the middle part of the pipe body is opposite to the air hole; when the air cavity is inflated, the pipe wall on the side close to the air hole is deformed and moves close to the opposite pipe wall to partially adhere, so that the radial plugging in the main pipe is realized.

[0007] Further, the air pipe is connected with a one-way inflation valve.

[0008] Further, the flushing pipe is connected with a luer connector, and the luer connector is connected with a heparin cap.

[0009] Further, a developing line is formed on the wall.

[0010] Further, the main pipe inner wall diameter is 2.3-2.7mm, the main pipe outer wall diameter is 4.5-4.9mm, the flushing cavity diameter is 0.3-0.7mm, the flushing hole diameter is 0.2-0.6mm, and the air cavity diameter is 0.3-0.7mm.

[0011] Further, the distance between the balloon end close to the flushing hole and the flushing hole is 4-6mm.

[0012] Further, the length of the balloon is 9-11mm.

[0013] Further, the diameter of the drainage hole is 0.8-1.2mm, and the distance between adjacent drainage holes is 5-7mm.

[0014] The advantages and positive effects of the utility model are:

[0015] The balloon is a section of elastic pipe body, and the outer ring walls of the two ends of the pipe body are respectively adhered and fixed to the inner walls of the main pipe, which is convenient for processing in actual production and has high product qualification rate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the three-cavity drainage tube according to the utility model embodiment;

[0017] Figure 2 It is an axial sectional view of the three-cavity drainage tube according to the utility model embodiment;

[0018] Figure 3 It is a drainage tube in a drainage state diagram;

[0019] Figure 4 It is a drainage tube in a flushing state diagram.

[0020] Among them, the above drawings include the following reference signs:

[0021] 1 is a main pipe, 2 is a drainage hole, 3 is a developing line, 4 is a trachea, 5 is a flushing pipe, 6 is a one-way inflation valve, 7 is a luer joint, 8 is a joint, 9 is a balloon, 10 is an air hole, 11 is an air cavity, 12 is a flushing hole, and 13 is a flushing cavity. DETAILED DESCRIPTION

[0022] The utility model will be described in detail below with reference to the drawings and in combination with embodiments. It should be pointed out that all technical and scientific terms used in the application have the same meaning as that generally understood by ordinary skilled persons in the technical field to which the application belongs, unless otherwise specified.

[0023] For example, Figure 1The diagram shows a three-lumen drainage tube, including a main pipe 1 with a length of 345-355 mm. The inner diameter of the main pipe 1 is 2.3-2.7 mm, and the outer diameter is 4.5-4.9 mm. Multiple drainage holes 2 are evenly spaced on the wall of the main pipe 1 at its head end. The diameter of each drainage hole 2 is 0.8-1.2 mm, and the spacing between adjacent drainage holes 2 is 5-7 mm. A connector 8 is installed at the tail end of the main pipe 1, through which a drainage device is connected.

[0024] like Figure 2 As shown, a flushing chamber 13 is formed on the wall of the main pipe 1, wherein the flushing chamber 13 is connected to a flushing pipe 5 outside the main pipe 1, and the flushing pipe 5 is connected to a Luer connector 7, which is connected to a heparin cap. The length of the flushing pipe 5 is 75-85mm. A flushing hole 12 is formed on the inner wall of the main pipe 1, which communicates with the flushing chamber 13; the diameter of the flushing chamber 13 is 0.3-0.7mm, and the diameter of the flushing hole 12 is 0.2-0.6mm.

[0025] like Figure 2 As shown, an air cavity 11 with a diameter of 0.3-0.7 mm is formed on the wall of the main pipe 1. The air cavity 11 is connected to an air tube 4 outside the main pipe 1, and the air tube 4 is connected to a one-way inflation valve 6. The length of the air tube 4 is 95-105 mm. An air hole 10 is formed on the inner wall of the main pipe 1, which communicates with the air cavity 11. A balloon 9 with a length of 9-11 mm is installed inside the main pipe 1. The distance between the end of the balloon 9 near the flushing hole 12 and the flushing hole 12 is 4-6 mm.

[0026] A balloon 9 is installed inside the main pipe 1 between the flushing hole 12 and the drainage hole 2. The balloon 9 is an elastic tube through which drainage fluid can pass. The outer ring walls at both ends of the tube are respectively bonded and fixed to the inner wall of the main pipe 1. The middle of the outer wall of the tube is directly opposite the air hole 10. When air is injected into the air chamber 11, the tube wall on the side close to the air hole 10 is deformed by the gas and moves closer to the opposite tube wall until it partially fits, achieving radial sealing inside the main pipe 1. After deflating, the tube wall on the side close to the air hole 10 returns to its original state and closes to the air hole 10.

[0027] To show the location of the main organ 1 in the brain, imaging lines 3 are made on the tube wall.

[0028] The specific usage method of this drainage tube is as follows:

[0029] The drainage port 2 of the main tube 1 is completely placed within the target hematoma cavity or ventricle for drainage. The required hematoma fluid or cerebrospinal fluid is then drained out through the main tube 1. Figure 3When the main pipe 1 is blocked or the drainage is not smooth, the air cavity 11 is inflated through the trachea 4, the tube body of the balloon 9 is deformed by the gas on one side of the air hole 10 and approaches the opposite side of the tube wall to partially adhere, realizing the radial blockage in the main pipe 1. Then, the physiological saline is injected into the flushing cavity 13 through the flushing pipe 5, the physiological saline is sprayed from the flushing hole 12, and the main pipe 1 is flushed, as shown in the figure. Figure 4 Since the balloon 9 blocks the main pipe 1, the saline cannot flow into the drainage hole 2. After the main pipe 1 is smooth, the air in the air cavity 11 is pumped out, the tube body of the balloon 9 returns to the original state, and the drainage of the main pipe 1 is continued.

[0030] When the drainage tube needs to be pulled out, the main pipe 1 is blocked by the balloon 9 to prevent reflux.

[0031] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A three-cavity drainage tube, comprising a main tube (1), a plurality of drainage holes (2) evenly spaced on the tube wall of the head end of the main tube (1), a connector (8) installed at the tail end of the main tube (1) and connected to a drainage device through the connector (8), a flushing cavity (13) and an air cavity (11) formed on the tube wall of the main tube (1), wherein the flushing cavity (13) is connected to a flushing tube (5) outside the main tube (1), a flushing hole (12) is formed on the inner wall of the main tube (1) and communicates with the flushing cavity (13), the air cavity (11) is connected to an air tube (4) outside the main tube (1), an air hole (10) is formed on the inner wall of the main tube (1) and communicates with the air cavity (11), and a balloon (9) is installed in the main tube (1). characterized in that The balloon (9) is installed in the main tube (1) between the flushing hole (12) and the drainage hole (2), the balloon (9) is a section of elastic tube body, the outer ring walls of both ends of the tube body are respectively adhered and fixed to the inner wall of the main tube (1), the outer wall of the middle part of the tube body is opposite to the air hole (10), when the air cavity (11) is inflated, the tube wall of the side of the tube body close to the air hole (10) is deformed and moves close to the opposite tube wall to partially adhere, so as to achieve the purpose of radial plugging in the main tube (1).

2. The triple lumen drainage tube according to claim 1, wherein, The air tube (4) is connected to a one-way inflation valve (6).

3. The triple lumen drainage tube of claim 1, wherein, The flushing tube (5) is connected to a luer connector (7), and the luer connector (7) is connected to a heparin cap.

4. The triple lumen drainage tube of claim 1, wherein, A developing line (3) is formed on the tube wall.

5. The triple lumen drainage tube of claim 1, wherein, The inner wall diameter of the main tube (1) is 2.3-2.7 mm, the outer wall diameter of the main tube (1) is 4.5-4.9 mm, the diameter of the flushing cavity (13) is 0.3-0.7 mm, the diameter of the flushing hole (12) is 0.2-0.6 mm, and the diameter of the air cavity (11) is 0.3-0.7 mm.

6. The triple lumen drainage tube according to claim 5, wherein, The distance between the end of the balloon (9) close to the flushing hole (12) and the flushing hole (12) is 4-6 mm.

7. The triple lumen drainage tube according to claim 6, wherein, The length of the balloon (9) is 9-11 mm.

8. The triple lumen drainage tube according to claim 7, wherein, The diameter of the drainage hole (2) is 0.8-1.2 mm, and the distance between adjacent drainage holes (2) is 5-7 mm.

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