Biliary tract drainage device

Abstract

The utility model relates to a biliary tract drainage device which comprises a T tube, a drainage bag and a drainage tube, one end of the drainage tube is communicated with the T tube through a connector, and the other end of the drainage tube is communicated with the drainage bag. The joint comprises a female joint and a male joint, the female joint sleeves the male joint and is in threaded connection with the male joint, the male joint is connected with the drainage tube, the female joint is connected with the T tube, and an elastic self-sealing blocking piece is arranged between the female joint and the male joint. According to the utility model, the blocking piece which can be elastically and automatically sealed is arranged in the connector, when the drainage bag needs to be replaced, the female connector and the male connector are separated, the female connector connected with the T tube can be automatically sealed, bile is not easy to leak, and the wound infection probability is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medical apparatus and instruments, and particularly relates to a biliary tract drainage device. BACKGROUND

[0002] The common bile duct incision T tube drainage is often performed simultaneously with cholecystectomy, and is only performed independently when the gallbladder has been removed and obstruction or acute obstructive suppurative cholangitis occurs.

[0003] The T tube is applied to the common bile duct incision exploration or incision lithotomy, and is placed at the common bile duct incision, with one end leading to the hepatic duct, one end leading to the duodenum, and one end penetrating out of the body from the abdominal wall puncture, and being connected to a drainage bag. For example, the existing patent CN218793487U discloses a T-type drainage device, and the T tube is communicated with the drainage bag through a joint to realize drainage.

[0004] However, it is found in actual use that since the drainage bag needs to be carried on the patient for about two months, the joint needs to be opened and the drainage bag needs to be replaced every week. When the joint is opened, bile will flow out of the opening of the joint, and the bile has a certain corrosiveness to the skin, which can easily cause skin ulceration and wound infection. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem of providing a biliary tract drainage device, which can prevent bile from leaking out and reduce the probability of wound infection.

[0006] To solve the above technical problems, the utility model provides a biliary tract drainage device, which comprises a T tube, a drainage bag and a drainage tube, one end of the drainage tube is communicated with the T tube through a joint, and the other end is communicated with the drainage bag; the joint comprises a female joint and a male joint, the female joint is sleeved on the male joint and is threadedly connected with the male joint, the male joint is connected with the drainage tube, the female joint is connected with the T tube, and a plug member capable of being elastically sealed is arranged between the female joint and the male joint.

[0007] In at least one embodiment, the plug member comprises a plug, a spring and a push rod, one end of the plug is sleeved with the spring, the other end of the plug is blocked against the opening of the female joint under the elastic force of the spring, and the push rod is fixedly connected with the male joint; after the male joint is connected with the female joint, the push rod is on the plug.

[0008] In at least one embodiment, the plug is conical, one end of the spring is fixedly connected with the large end of the plug, and the other end of the spring is fixedly connected with the female joint. An installation plate is arranged on the inner wall of the male joint, the installation plate is covered with through holes, one end of the push rod is fixedly connected with the installation plate, and the other end of the push rod extends out of the male joint.

[0009] In at least one embodiment, the female connector comprises a connecting pipe and a threaded pipe, the connecting pipe is provided with an annular groove at one end and connected with the T pipe at the other end, the threaded pipe is rotatably embedded in the annular groove at one end and is sleeved on the male connector and connected with the male connector at the other end.

[0010] In at least one embodiment, the drainage tube is provided with an on-off valve.

[0011] The utility model at least realizes following beneficial effect:

[0012] 1. The utility model discloses a T pipe and drainage tube are communicated through the joint, and the female connector is connected with the male connector through the threaded connection, so that the threaded structure is stable, the drainage tube is not easy to fall off, and the bile is not easy to leak out, thereby reducing the infection probability of the wound.

[0013] 2. The utility model discloses a plug member in the joint can be elastically sealed, when the drainage bag needs to be replaced, the female connector and the male connector are separated, the female connector connected with the T pipe is automatically sealed, the bile is not easy to leak out, thereby reducing the infection probability of the wound. DRAWINGS

[0014] One or more embodiments of the utility model will now be described, by way of example only, with reference to the accompanying drawings:

[0015] Figure 1 It is a perspective view of one embodiment of the utility model.

[0016] Figure 2 It is Figure 1 A cross-sectional view of the joint of the embodiment.

[0017] The reference signs in the drawings are: 1, T pipe; 2, drainage bag; 3, drainage tube; 4, joint; 5, plug member; 41, female connector; 42, male connector; 43, mounting plate; 44, connecting pipe; 45, threaded pipe; 46, annular ring; 51, plug; 52, spring; 53, push rod. DETAILED DESCRIPTION

[0018] The utility model will be described in detail below with reference to the exemplary embodiments in the drawings. It should be understood that the utility model can be realized in various different forms, and should not be understood as being limited to the embodiments described herein. The embodiments are provided to make the disclosure of the utility model more complete and to fully convey the concept of the utility model to those skilled in the art.

[0019] In the description of this utility model, it should be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0020] The inventors addressed the potential drawback of bile leakage in existing T-type drainage devices. After careful analysis, they discovered that the main reason for this technical problem lies in the existing T-type drainage device itself. Although the T-tube connects to the drainage bag via a connector, ensuring bile flows into the drainage bag and achieving the desired drainage effect, patients need to wear the drainage bag for approximately two months after common bile duct incision or stone removal surgery to continuously drain bile and promote wound healing. During this long period, the connector between the T-tube and the drainage bag needs to be opened weekly to replace the drainage bag and prevent infection and other complications. However, whenever the connector is opened, due to the pressure within the biliary system, bile often leaks from the opening. Bile is a complex digestive fluid that is corrosive to human skin. If bile accidentally comes into contact with the skin and is not promptly cleaned and treated, the patient's skin is prone to adverse reactions such as ulceration and swelling, and may even lead to wound infection, further aggravating the patient's condition. Based on the above analysis, the inventors designed a bile duct drainage device that prevents bile leakage and reduces the probability of wound infection.

[0021] like Figures 1 to 2 As shown, in one embodiment of this utility model, the biliary drainage device includes a T-tube 1, a drainage bag 2, and a drainage tube 3. One end of the drainage tube 3 is connected to the T-tube 1 via a connector 4, and the other end is connected to the drainage bag 2. The connector 4 includes a female connector 41 and a male connector 42. The female connector 41 is fitted onto the male connector 42 and threadedly connected to it. The male connector 42 is connected to the drainage tube 3, and the female connector 41 is connected to the T-tube 1. A self-sealing plug 5 is provided between the female connector 41 and the male connector 42. The drainage tube 3 is equipped with a switch valve. The plug 5 is elastic, allowing it to be in a conducting state where the T-tube 1 and the drainage tube 3 are connected when the female connector 41 and the male connector 42 are connected, and in a closed state where the outlet of the female connector 41 is closed when the female connector 41 and the male connector 42 are disconnected.

[0022] The blocking member 5 comprises a plug 51, a spring 52 and a push rod 53, the plug 51 is sleeved with the spring 52 at one end, and is blocked with the opening of the female joint 41 under the elastic force of the spring 52 at the other end, and the push rod 53 is fixedly connected with the male joint 42; after the male joint 42 is connected with the female joint 41, the push rod 53 is on the plug 51. When the female joint 41 is connected with the male joint 42, the push rod 53 pushes open the plug 51, and the T tube 1 is in conduction with the drainage tube 3. When the female joint 41 is separated from the male joint 42, the plug 51 is blocked with the liquid outlet of the female joint 41 under the elastic force of the spring 52.

[0023] The plug 51 is conical, the spring 52 is fixedly connected with the large end of the plug 51 at one end, and is fixedly connected with the female joint 41 at the other end. The inner wall of the male joint 42 is provided with a mounting plate 43, the mounting plate 43 is provided with through holes, one end of the push rod 53 is fixedly connected with the mounting plate 43, and the other end of the push rod 53 extends out of the male joint 42. The conical plug 51 is easy to block the liquid outlet of the female joint 41.

[0024] The female joint 41 comprises a connecting pipe 44 and a threaded pipe 45, the connecting pipe 44 is provided with an annular groove at one end, and is connected with the T tube 1 at the other end, the threaded pipe 45 is rotatably embedded in the annular groove at one end, and is sleeved on the male joint 42 and is in threaded connection with the male joint 42 at the other end. The inner wall of the annular groove is provided with a clamping groove, the outer wall of the threaded pipe 45 is provided with an annular ring 46, and the annular ring 46 is clamped into the clamping groove. By rotating the threaded pipe 45, the push rod 53 is inserted into the female joint 41, and the push rod 53 pushes open the plug 51. When the threaded pipe 45 is rotated, the connecting pipe 44 is not easy to rotate with the threaded pipe 45, and the T tube 1 is also avoided from rotating with the threaded pipe 45.

[0025] The use method of the biliary drainage device is as follows: firstly, the T tube 1 is placed into the bile duct to drain the bile, supports the bile duct, prevents the bile duct from being narrowed, drains the bile, and reduces the pressure. Then, after the incision is sutured, one end of the T tube 1 is connected with the drainage tube 3 through the joint 4. The threaded pipe 45 is rotated, and the push rod 53 pushes open the plug 51, and the T tube 1 is in conduction with the drainage tube 3. Finally, the switch valve is opened, the bile is drained, and the bile is drained into the drainage bag 2.

[0026] All the above embodiments are exemplary but not restrictive, and various modifications or changes made to the above described specific embodiments by those skilled in the art under the concept of the present application shall be within the protection scope of the present application.

Claims

1. A biliary drainage device, characterized by: The application relates to a T-tube (1), a drainage bag (2) and a drainage tube (3), one end of the drainage tube (3) is communicated with the T-tube (1) through a joint (4), and the other end is communicated with the drainage bag (2); the joint (4) comprises a female joint (41) and a male joint (42), the female joint (41) is sleeved on the male joint (42) and is threadedly connected with the male joint (42), the male joint (42) is connected with the drainage tube (3), the female joint (41) is connected with the T-tube (1), and an elastic self-sealing plug member (5) is arranged between the female joint (41) and the male joint (42).

2. The biliary drainage device of claim 1, wherein: The plug member (5) comprises a plug (51), a spring (52) and a push rod (53), one end of the plug (51) is sleeved with the spring (52), the other end of the plug (51) is blocked from the opening of the female joint (41) under the elastic force of the spring (52), and the push rod (53) is fixedly connected with the male joint (42); after the male joint (42) is connected with the female joint (41), the push rod (53) is on the plug (51).

3. The biliary drainage device of claim 2, wherein: The plug (51) is conical, one end of the spring (52) is fixedly connected with the large end of the plug (51), and the other end of the spring (52) is fixedly connected with the female joint (41).

4. The biliary drainage device of claim 3, wherein: An installation plate (43) is arranged on the inner wall of the male joint (42), the installation plate (43) is covered with through holes, one end of the push rod (53) is fixedly connected with the installation plate (43), and the other end of the push rod (53) extends out of the male joint (42).

5. The biliary drainage device according to claim 1 or 4, characterized in that: The female joint (41) comprises a connecting pipe (44) and a threaded pipe (45), one end of the connecting pipe (44) is provided with an annular groove, the other end of the connecting pipe (44) is connected with the T-tube (1), one end of the threaded pipe (45) is rotatably embedded in the annular groove, and the other end of the threaded pipe (45) is sleeved on the male joint (42) and is threadedly connected with the male joint (42).

6. The biliary drainage device of claim 5, wherein: An annular ring (46) is protruded on the outer wall of the threaded pipe (45), and the annular ring (46) is clamped into the clamping groove.

7. The biliary drainage device of claim 1, wherein: The drainage tube (3) is provided with an on-off valve.

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