Nasobiliary duct drainage device with multi-head end structure for hepatobiliary surgery

Abstract

The nasobiliary drainage device comprises a drainage tube, the surface of the drainage tube is fixedly connected with a first external thread sleeve, the surface of the first external thread sleeve is sleeved with an extrusion sleeve, an internal thread groove is formed in the extrusion sleeve, the first external thread sleeve is located in the internal thread groove, and the first external thread sleeve is located in the internal thread groove. One end of the drainage tube is fixedly connected with a sleeve, and a sealing sleeve is adhered to the interior of the extrusion sleeve. According to the nasobiliary duct drainage device with the multi-head end structure for the hepatobiliary surgery department, the first external thread sleeve is fixedly connected to the surface of the drainage tube, meanwhile, the extrusion sleeve is connected to the surface of the first external thread sleeve in a sleeving mode, liquid cannot leak out, and therefore when the drainage tube is replaced, the fixing effect of a catheter can be eliminated by directly rotating the extrusion sleeve; the drainage tube is very convenient to use, the efficiency is improved, and the sealing effect can be guaranteed.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical hepatobiliary surgery, and in particular relates to a multi-end structure nasobiliary drainage device used in hepatobiliary surgery. Background Art

[0002] When performing nasobiliary drainage on a patient, it is necessary to drain out the diseased fluid or pus-like fluid. At this time, a nasobiliary drainage device will be needed. The nasobiliary drainage device can very conveniently drain the diseased fluid or pus-like fluid for the patient.

[0003] The nasobiliary drainage devices currently available on the market for hepatobiliary surgery have the following problems in actual use:

[0004] 1. In actual use, the traditional nasobiliary drainage device used in hepatobiliary surgery cannot be directly connected to the drainage bag after the nasobiliary tube is placed. It needs to be modified with a gastric tube before being connected to the drainage bag. In addition, the connection between the nasobiliary tube and the gastric tube needs to be fixed with tape, which is prone to leakage when frequently changed.

[0005] 2. Most nasobiliary drainage devices used in hepatobiliary surgery are inconvenient to use because the commonly designed connection ports can only be connected to drainage bags and do not have a multi-end design. They cannot be connected to syringes or infusion devices for bile duct flushing. Summary of the Invention

[0006] The purpose of the present invention is to provide a multi-end structure nasobiliary drainage device for hepatobiliary surgery to solve the technical problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the specific technical solution of the present invention is as follows: a multi-end structure nasobiliary drainage device for hepatobiliary surgery, comprising a drainage tube, the surface of the drainage tube is fixedly connected to a first externally threaded sleeve, the surface of the first externally threaded sleeve is sleeved with an extrusion sleeve, an internal thread groove is provided inside the extrusion sleeve, the first externally threaded sleeve is located inside the internal thread groove, one end of the drainage tube is fixedly connected to the sleeve, a sealing sleeve is bonded to the inside of the extrusion sleeve, and the inside of the sealing sleeve is fitted to the surface of the drainage tube.

[0008] Preferably, a three-way valve is installed at the other end of the drainage tube, a specimen picking pipe is set at one end of the three-way valve, the other end of the three-way valve is connected to the injection pipe, an output pipe is provided at the other end of the three-way valve, a connecting pipe is installed at the other end of the output pipe, the other end of the connecting pipe is fixedly connected to the drainage bag, and a heparin cap is sleeved on the surface of the injection pipe.

[0009] Preferably, the specimen picking pipe is internally fixedly connected to a clamping ring, the clamping ring is internally sleeved with a rubber positioning column, the surface of the rubber positioning column is fixedly connected to a first rubber plug, and the surface of the first rubber plug is embedded in the specimen picking pipe.

[0010] Preferably, the surface of the injection pipe is fixedly connected to a rubber ring, the surface of the injection pipe is fixedly connected to a second externally threaded sleeve, the surface of the second externally threaded sleeve is sleeved with a heparin cap, and one end of the heparin cap is attached to the side of the rubber ring.

[0011] Preferably, the surface of the output pipe is fixedly connected to an internal threaded sleeve, the interior of the internal threaded sleeve is sleeved with a third external threaded sleeve, the interior of the third external threaded sleeve is fixedly connected to the connecting pipe, the interior of the third internal threaded sleeve is fixedly connected to the insert pipe, and the insert pipe is embedded in the output pipe.

[0012] Preferably, a liquid discharge port is provided at the bottom of the drainage bag, and a second rubber stopper is sleeved inside the liquid discharge port.

[0013] Preferably, a paddle is fixedly connected to the surface of the first rubber stopper, the paddles are symmetrically distributed, and the surface of the paddle is attached to the other end of the specimen picking tube.

[0014] Preferably, the surface of the third external threaded sleeve is fixedly connected to an anti-slip sheet, and the anti-slip sheet is distributed in a ring shape.

[0015] Preferably, a sealing ring is bonded to one end of the third externally threaded sleeve, and the surface of the sealing ring is fitted to the inside of the internally threaded sleeve.

[0016] The multi-end structure nasobiliary drainage device for hepatobiliary surgery of the present invention has the following advantages:

[0017] 1. A multi-end structure nasobiliary drainage device for hepatobiliary surgery, which is fixedly connected to the surface of the drainage tube by a first external threaded sleeve, and at the same time, an extrusion sleeve is sleeved on the surface of the first external threaded sleeve, and an internal threaded groove is opened inside the extrusion sleeve. The first external threaded sleeve is located inside the internal threaded groove, and at the same time, a sleeve is fixedly connected to one end of the drainage tube, and a sealing sleeve is bonded inside the extrusion sleeve. The inside of the sealing sleeve fits the surface of the drainage tube. When the device is used, the diffusion design of the sleeve allows catheters of different diameters to be embedded in the sleeve. Then, the first external threaded sleeve is inserted into the sleeve. The extrusion sleeve is rotated on the basis, and the extrusion sleeve can be moved under the action of the internal thread groove. When the extrusion sleeve moves to the surface of the sleeve, the sleeve will shrink under the extrusion of the extrusion sleeve, thereby fixing the catheter inside the sleeve, and utilizing the effect of the sealing sleeve to provide a sealing effect between the catheter and the sleeve, so that the liquid will not leak out. When replacing the drainage tube, the fixing effect of the catheter can be directly canceled by rotating the extrusion sleeve, and then the drainage tube can be taken out for replacement. It is very convenient to use, improves efficiency, and can ensure the sealing effect.

[0018] 2. This multi-end structure nasobiliary drainage device for hepatobiliary surgery is constructed by installing a three-way valve at the other end of the drainage tube, and setting a specimen picking pipe at one end of the three-way valve. At the same time, the other end of the three-way valve is connected to the injection pipe, and an output pipe is provided at the other end of the three-way valve. A connecting pipe is installed at the other end of the output pipe, and a drainage bag is fixedly connected to the other end of the connecting pipe. When using the device, the opening and closing states of the specimen picking pipe, the injection pipe and the output pipe can be controlled by the three-way valve, and the drainage pipe can be connected to multiple pipes using the three-way valve. At this time, the bile sample can be taken out through the specimen picking pipe, the injection pipe can be used to inject medicine into the drainage pipe or clean the drainage pipe, and the bile can be drained into the drainage bag through the output pipe, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic structural diagram of the first external threaded sleeve of the present invention;

[0022] Figure 3 This is a schematic structural diagram of a third external threaded sleeve of the present invention;

[0023] Figure 4 This is a schematic structural diagram of the drainage bag of the present invention;

[0024] Figure 5 For the present invention Figure 2 Enlarged view of part A;

[0025] Figure 6 For the present invention Figure 2 Enlarged view of part B;

[0026] Figure 7 For the present invention Figure 2 Enlarged view of part C in the middle.

[0027] Explanation of the marks in the figure: 1. Three-way valve; 2. Specimen picking pipe; 3. Injection pipe; 4. Output pipe; 5. Drainage pipe; 6. Cannula; 7. First external threaded sleeve; 8. Extrusion sleeve; 9. Internal thread groove; 10. Sealing sleeve; 11. Snap ring; 12. First rubber stopper; 13. Rubber positioning column; 14. Pick; 15. Second external threaded sleeve; 16. Rubber ring; 17. Heparin cap; 18. Connecting pipe; 19. Drainage bag; 20. Internal threaded sleeve; 21. Cannula; 22. Third external threaded sleeve; 23. Sealing ring; 24. Anti-slip sheet; 25. Liquid discharge port; 26. Second rubber stopper. DETAILED DESCRIPTION

[0028] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0029] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the embodiments of the present invention.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0031] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0032] The disclosure below provides many different embodiments or examples for implementing different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the components and configurations of specific examples are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. In addition, the embodiments of the present invention may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or configurations discussed.

[0033] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of a multi-end structure nasobiliary drainage device for hepatobiliary surgery of the present invention in conjunction with the accompanying drawings.

[0034] like Figure 1-7 As shown, a multi-end structure nasobiliary drainage device for hepatobiliary surgery of the present invention includes a drainage tube 5, the surface of the drainage tube 5 is fixedly connected to the first externally threaded sleeve 7, the surface of the first externally threaded sleeve 7 is sleeved with an extrusion sleeve 8, an internally threaded groove 9 is provided inside the extrusion sleeve 8, the first externally threaded sleeve 7 is located inside the internally threaded groove 9, one end of the drainage tube 5 is fixedly connected to the sleeve 6, by installing the sleeve 6 and the extrusion sleeve 8, when the device is used, the diffusion design of the sleeve 6 can be used, at this time, catheters of different diameters can be embedded in the sleeve 6, and then the extrusion sleeve 8 can be rotated on the basis of the first externally threaded sleeve 7. At this time, under the action of the internally threaded groove 9, the The extrusion sleeve 8 is moved. When the extrusion sleeve 8 moves to the surface of the sleeve, the sleeve will shrink under the extrusion of the extrusion sleeve 8, and then the catheter will be fixed inside the sleeve. When replacing the drainage tube 5, the fixing effect of the catheter can be directly canceled by rotating the extrusion sleeve 8. Then the drainage tube 5 can be taken out and replaced. It is very convenient to use and improves efficiency. The sealing sleeve 10 is bonded to the inside of the extrusion sleeve 8, and the inside of the sealing sleeve 10 is fitted to the surface of the drainage tube 5. By installing the sealing sleeve 10 and utilizing the effect of the sealing sleeve 10, a sealing effect can be provided between the catheter and the sleeve 6, so that the liquid will not leak out, and the sealing is strong when used.

[0035] A three-way valve 1 is installed at the other end of the drainage tube 5, and a specimen picking pipe 2 is set at one end of the three-way valve 1. The other end of the three-way valve 1 is connected to the injection pipe 3. The other end of the three-way valve 1 is provided with an output pipe 4, and a connecting pipe 18 is installed at the other end of the output pipe 4. The other end of the connecting pipe 18 is fixedly connected to the drainage bag 19, and a heparin cap 17 is sleeved on the surface of the injection pipe 3. By installing the three-way valve 1, when the device is used, the opening and closing states of the specimen picking pipe 2, the injection pipe 3 and the output pipe 4 can be controlled by the three-way valve 1, and the three-way valve 1 can be used to connect multiple pipes to the drainage pipe 5. At this time, the bile sample can be taken out through the specimen picking pipe 2, and the injection pipe 3 can be used to inject medicine into the drainage pipe 5 or clean the drainage pipe 5, and the bile can be drained into the drainage bag 19 through the output pipe 4, which is more convenient to use.

[0036] The inside of the specimen picking pipe 2 is fixedly connected to a clamping ring 11, and a rubber positioning column 13 is sleeved inside the clamping ring 11. The surface of the rubber positioning column 13 is fixedly connected to a first rubber plug 12, and the surface of the first rubber plug 12 is embedded in the specimen picking pipe 2. By installing the first rubber plug 12, the specimen picking pipe 2 can be blocked by the first rubber plug 12, so that when the specimen picking pipe 2 is not in use, external dust will not enter, and the sealing performance is better when in use.

[0037] The surface of the injection tube 3 is fixedly connected to a rubber ring 16, the surface of the injection tube 3 is fixedly connected to a second externally threaded sleeve 15, the surface of the second externally threaded sleeve 15 is sleeved with a heparin cap 17, one end of the heparin cap 17 is attached to the side of the rubber ring 16, by installing the heparin cap 17, the heparin cap 17 can be used to connect the injection tube 3 to a syringe or a dermal needle-like device at any time, which is very convenient to use.

[0038] The surface of the output tube 4 is fixedly connected to the internal threaded sleeve 20, the interior of the internal threaded sleeve 20 is sleeved with the third external threaded sleeve 22, the interior of the third external threaded sleeve 22 is fixedly connected to the connecting tube 18, the interior of the internal threaded sleeve 20 is fixedly connected to the cannula 21, and the cannula 21 is embedded in the output tube 4. By installing the internal threaded sleeve 20 and the third external threaded sleeve 22, when replacing the drainage bag 19, the connecting tube 18 and the output tube 4 can be directly installed or removed by rotating, which makes it more convenient to replace the drainage bag 19.

[0039] A drain port 25 is provided at the bottom of the drainage bag 19 , and a second rubber stopper 26 is sleeved inside the drain port 25 . By opening the drain port 25 , the liquid inside the drainage bag 19 can be drained through the drain port 25 , which is very convenient to use.

[0040] The surface of the first rubber stopper 12 is fixedly connected to the paddle 14, which is symmetrically distributed. The surface of the paddle 14 is attached to the other end of the specimen picking tube 2. By installing the paddle 14, when the first rubber stopper 12 needs to be taken out, the paddle 14 can be directly used as the force point. The paddle 14 can be used to drive the first rubber stopper 12 to move, which is very convenient to use.

[0041] The surface of the third externally threaded sleeve 22 is fixedly connected to an anti-slip sheet 24 , which is distributed in a ring shape. By installing the anti-slip sheet 24 , when the third externally threaded sleeve 22 is rotated, the anti-slip sheet 24 can be used to provide an anti-slip effect between the hand and the third externally threaded sleeve 22 , making rotation more labor-saving.

[0042] One end of the third externally threaded sleeve 22 is bonded with a sealing ring 23, and the surface of the sealing ring 23 fits inside the internally threaded sleeve 20. By installing the sealing ring 23, the sealing ring 23 can provide a sealing effect between the internally threaded sleeve 20 and the third externally threaded sleeve 22, so that there will be no liquid leakage between the connecting pipe 18 and the output pipe 4, and the sealing performance is strong during use.

[0043] The working principle of the multi-end structure nasobiliary drainage device for hepatobiliary surgery is as follows: when using the device, the first external threaded sleeve 7 is fixedly connected to the surface of the drainage tube 5, and the extrusion sleeve 8 is sleeved on the surface of the first external threaded sleeve 7, and an internal threaded groove 9 is provided inside the extrusion sleeve 8. The first external threaded sleeve 7 is located inside the internal threaded groove 9, and the sleeve 6 is fixedly connected to one end of the drainage tube 5, and the sealing sleeve 10 is bonded inside the extrusion sleeve 8. The inside of the sealing sleeve 10 fits the surface of the drainage tube 5. When using the device, the diffusion design of the sleeve 6 can be used to embed catheters of different diameters into the sleeve 6, and then the first external threaded sleeve 7 is provided inside the internal threaded groove 9. The extrusion sleeve 8 is rotated on the basis of an external threaded sleeve 7. At this time, the extrusion sleeve 8 can be moved under the action of the internal thread groove 9. When the extrusion sleeve 8 moves to the surface of the sleeve, the sleeve will shrink under the extrusion of the extrusion sleeve 8, thereby fixing the catheter inside the sleeve and utilizing the effect of the sealing sleeve 10 to provide a sealing effect between the catheter and the sleeve 6, so that the liquid will not leak out. When replacing the drainage tube 5, the fixing effect of the catheter can be directly canceled by rotating the extrusion sleeve 8, and then the drainage tube 5 can be taken out for replacement. It is very convenient to use, improves efficiency, and can ensure the sealing effect. The drainage bag 19 is installed. At this time, the intubation tube 21 can be embedded in the output tube 4 first. By rotating the third external threaded sleeve 22, the third external threaded sleeve 22 can be installed inside the internal threaded sleeve 20. At this time, the internal threaded sleeve 20 and the third external threaded sleeve 22 can provide an installable and disassembleable effect between the connecting tube 18 and the output tube 4. When replacing the drainage bag 19, the connecting tube 18 and the output tube 4 can be directly installed or disassembled by rotating. After that, the device can be used. When using the device, since the three-way valve 1 is installed at the other end of the drainage tube 5, and the specimen picking pipeline 2 is set at one end of the three-way valve 1, the other end of the three-way valve 1 is also provided. An injection pipe 3 is connected, and an output pipe 4 is provided at the other end of the three-way valve 1. A connecting pipe 18 is installed at the other end of the output pipe 4, and a drainage bag 19 is fixedly connected to the other end of the connecting pipe 18. When using the device, the opening and closing states of the specimen picking pipe 2, the injection pipe 3 and the output pipe 4 can be controlled by the three-way valve 1, and the drainage pipe 5 can be connected to multiple pipes using the three-way valve 1. At this time, the bile sample can be taken out through the specimen picking pipe 2, the injection pipe 3 can be used to inject the drainage pipe 5 with liquid medicine or clean the drainage pipe 5, and the bile can be drained into the drainage bag 19 through the output pipe 4, which is more convenient to use.

[0044] It will be understood that the present invention is described by way of some embodiments, and it will be appreciated by those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A multi-end structure nasobiliary drainage device for hepatobiliary surgery, comprising a drainage tube (5), characterized in that: The surface of the drainage tube (5) is fixedly connected to a first externally threaded sleeve (7), the surface of the first externally threaded sleeve (7) is sleeved with an extrusion sleeve (8), an internally threaded groove (9) is provided inside the extrusion sleeve (8), the first externally threaded sleeve (7) is located inside the internally threaded groove (9), one end of the drainage tube (5) is fixedly connected to a sleeve (6), the interior of the extrusion sleeve (8) is bonded with a sealing sleeve (10), and the interior of the sealing sleeve (10) is in contact with the surface of the drainage tube (5).

2. The multi-end structure nasobiliary drainage device for hepatobiliary surgery according to claim 1, characterized in that: A three-way valve (1) is installed at the other end of the drainage tube (5), a specimen picking tube (2) is provided at one end of the three-way valve (1), the other end of the three-way valve (1) is connected to the injection tube (3), an output tube (4) is provided at the other end of the three-way valve (1), a connecting tube (18) is installed at the other end of the output tube (4), the other end of the connecting tube (18) is fixedly connected to the drainage bag (19), and a heparin cap (17) is sleeved on the surface of the injection tube (3).

3. The multi-end structure nasobiliary drainage device for hepatobiliary surgery according to claim 2, characterized in that: The specimen picking pipe (2) is fixedly connected to a clamping ring (11), the clamping ring (11) is sleeved with a rubber positioning column (13), the surface of the rubber positioning column (13) is fixedly connected to a first rubber plug (12), and the surface of the first rubber plug (12) is embedded in the specimen picking pipe (2).

4. The multi-end structure nasobiliary drainage device for hepatobiliary surgery according to claim 2, characterized in that: The surface of the injection pipe (3) is fixedly connected to a rubber ring (16), the surface of the injection pipe (3) is fixedly connected to a second externally threaded sleeve (15), the surface of the second externally threaded sleeve (15) is sleeved with a heparin cap (17), and one end of the heparin cap (17) is attached to the side of the rubber ring (16).

5. The multi-end structure nasobiliary drainage device for hepatobiliary surgery according to claim 2, characterized in that: The surface of the output tube (4) is fixedly connected to an internal threaded sleeve (20), the interior of the internal threaded sleeve (20) is sleeved with a third external threaded sleeve (22), the interior of the third external threaded sleeve (22) is fixedly connected to a connecting tube (18), the interior of the internal threaded sleeve (20) is fixedly connected to an inserting tube (21), and the inserting tube (21) is embedded in the output tube (4).

6. The multi-end structure nasobiliary drainage device for hepatobiliary surgery according to claim 2, characterized in that: A liquid discharge port (25) is provided at the bottom of the drainage bag (19), and a second rubber stopper (26) is sleeved inside the liquid discharge port (25).

7. The multi-end structure nasobiliary drainage device for hepatobiliary surgery according to claim 3, characterized in that: The surface of the first rubber stopper (12) is fixedly connected to a paddle (14), the paddles (14) are symmetrically distributed, and the surface of the paddle (14) is attached to the other end of the specimen picking pipe (2).

8. The multi-end structure nasobiliary drainage device for hepatobiliary surgery according to claim 5, characterized in that: The surface of the third external threaded sleeve (22) is fixedly connected to an anti-slip sheet (24), and the anti-slip sheet (24) is distributed in an annular form.

9. The multi-end structure nasobiliary drainage device for hepatobiliary surgery according to claim 5, characterized in that: One end of the third external threaded sleeve (22) is bonded to a sealing ring (23), and the surface of the sealing ring (23) is fitted to the interior of the internal threaded sleeve (20).

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