CN214343691U

CN214343691U - Drainage bag connector

Info

Publication number: CN214343691U
Application number: CN202022812442.XU
Authority: CN
Inventors: 汤艳平
Original assignee: Hunan Taihe Hospital Management Co ltd
Current assignee: Hunan Taihe Hospital Management Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-08
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a drainage bag connector, which comprises a central venous catheter joint, a drainage bag joint and a flow guide pipe connected between the central venous catheter joint and the drainage bag joint; the central venous catheter joint is in threaded connection with the central venous catheter; the drainage bag joint is a cylindrical connecting port; the utility model provides a pair of drainage bag connector plays the effect of connecting drainage bag and central venous catheter, avoids the problem of linking difficulty and drainage liquid seepage because of central venous catheter and drainage bag lug connection lead to.

Description

Drainage bag connector

Technical Field

The utility model relates to a medical appliance. In particular to a connecting tool for connecting a drainage bag and a central venous catheter.

Background

The drainage is the most common method for clinically treating the pleuroperitoneal cavity hydrops at present, and for a large number of patients with the pleuroperitoneal cavity hydrops, repeated puncture drainage is needed, so that the pain of the patients is brought, the workload of medical staff is increased, particularly, the elderly have poor physique, the traditional puncture drainage method cannot be endured by factors such as insufficient physical strength, long drainage time and the like of the patients, and the wound of puncture drainage is large.

At present, in order to reduce drainage incision and chest wall wound and reduce medical risks of complications such as pneumothorax and incision infection, a central venous catheter and thoracic and ascites drainage bags are mostly adopted for thoracic closed drainage in clinic.

However, in clinical use, the drainage method has many problems, because the end joint of the central venous catheter is generally a hollow cylindrical hard joint with external threads, the joint of the current clinical drainage bag is not matched; therefore, the connection is difficult and the leakage of drainage fluid is serious.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a drainage bag connector.

The utility model provides a technical scheme: a drainage bag connector comprises a central venous catheter connector, a drainage bag connector and a drainage pipe connected between the central venous catheter connector and the drainage bag connector; the central venous catheter joint is in threaded connection with the central venous catheter; the drainage bag joint is a cylindrical connector.

Preferably, the central venous catheter connects including hollow base, the base upper end with the honeycomb duct intercommunication, the central point of base bottom surface puts and is equipped with vertical intercommunication mouth, the bottom face of base with the coaxial vertical tubulose installation department that is equipped with of intercommunication mouth, the installation department corresponds the external screw thread that the joint of central venous catheter and is equipped with the internal thread.

Preferably, the mounting portion and the base are integrally formed.

Preferably, a sealing ring is arranged on the bottom end surface of the base and around the communication port.

Preferably, an inner tube which is coaxial with the communication port and has the same inner diameter as the communication port is arranged at the position of the communication port on the bottom end surface of the base, an elastic sealing part is sleeved on the outer surface of the inner tube, the outer diameter of the inner tube is smaller than the inner diameter of the central venous catheter, and the outer diameter of the sealing part is larger than the inner diameter of the central venous catheter.

Preferably, the inner tube is integrally formed with the base.

Preferably, the sealing ring and the sealing part are made of antibacterial rubber.

The utility model provides a pair of drainage bag connector plays the effect of connecting drainage bag and central venous catheter, avoids the problem of linking difficulty and drainage liquid seepage because of central venous catheter and drainage bag lug connection lead to.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a sectional view of a first embodiment of a drainage bag connector according to the present invention.

Fig. 2 is a sectional view of a second embodiment of a drainage bag connector according to the present invention.

Description of the drawings: 1-central venous catheter joint, 101-base, 102-communicating port, 103-mounting part, 104-sealing ring, 105-inner tube, 106-sealing part, 2-guide tube and 3-drainage bag joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a drainage bag connector includes a central venous catheter connector 1, a drainage bag connector 3, and a drainage tube 2 connected between the central venous catheter connector 1 and the drainage bag connector 3; the central venous catheter joint 1 is in threaded connection with a central venous catheter (not shown in the figure); the drainage bag joint 3 is a cylindrical connecting port.

In the first embodiment, the central venous catheter connector 1 comprises a hollow base 101, the upper end of the base 101 is communicated with the flow guide tube 2, a vertical communication port 102 is arranged at the center of the bottom surface of the base 101, a vertical tubular mounting part 103 is arranged on the bottom surface of the base 101 and is coaxial with the communication port 102, and the mounting part 103 is internally threaded corresponding to the external thread of the central venous catheter connector.

Preferably, the mounting portion 103 and the base 101 are integrally formed.

Preferably, a sealing ring 104 is disposed on the bottom end surface of the base 101 around the communication port 102.

In the first embodiment, the joint of the central venous catheter is screwed on the mounting part 103, the upper end of the central venous catheter abuts against the sealing ring 104, and the sealing ring 104 can increase the sealing effect and prevent the leakage of the flowing liquid.

The second embodiment is based on the first embodiment, an inner tube 105 which is coaxial with the communication opening 102 and has an inner diameter equal to the inner diameter of the communication opening 102 is arranged on the bottom end surface of the base 101 at the communication opening 102, an elastic sealing part 106 is sleeved on the outer surface of the inner tube 105, the outer diameter of the inner tube 105 is smaller than the inner diameter of the central venous catheter, and the outer diameter of the sealing part 106 is larger than the inner diameter of the central venous catheter.

Preferably, the inner tube 105 is integrally formed with the base 101.

In the second embodiment, when the connector of the central venous catheter is screwed to the mounting portion 103, the inner tube 105 of the base 101 is inserted into the central venous catheter; at this time, the outer surface of the inner tube 105 is sleeved with an elastic sealing part which deforms under the extrusion of the central venous catheter tube wall and the inner tube 105, so as to play a role in sealing.

Preferably, the sealing ring 104 and the sealing portion 106 are made of antibacterial rubber.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. A drainage bag connector is characterized by comprising a central venous catheter connector, a drainage bag connector and a drainage pipe connected between the central venous catheter connector and the drainage bag connector; the central venous catheter joint is in threaded connection with the central venous catheter; the drainage bag joint is a cylindrical connector.

2. The drainage bag connector according to claim 1, wherein the central venous catheter connector comprises a hollow base, the upper end of the base is communicated with the drainage tube, a vertical communication port is formed in the center of the bottom surface of the base, a vertical tubular mounting portion is coaxially arranged on the bottom surface of the base and the communication port, and internal threads are formed on the mounting portion corresponding to external threads of the central venous catheter connector.

3. The drainage bag connector of claim 2, wherein the mounting portion and the base are integrally formed.

4. The drainage bag connector according to claim 3, wherein a sealing ring is provided on the bottom end surface of the base around the communication port.

5. The drainage bag connector according to claim 3, wherein the bottom end surface of the base is provided with an inner tube having an inner diameter equal to the inner diameter of the communication port and coaxial with the communication port at the communication port, the outer surface of the inner tube is sleeved with an elastic sealing portion, the outer diameter of the inner tube is smaller than the inner diameter of the central venous catheter, and the outer diameter of the sealing portion is larger than the inner diameter of the central venous catheter.

6. A drainage bag connector according to claim 5 in which the inner tube is integrally formed with the base.

7. A drainage bag connector according to claim 4 or 5 wherein the sealing ring and the sealing portion are made of an antimicrobial rubber.