CN211273032U

CN211273032U - Drainage catheter assembly

Info

Publication number: CN211273032U
Application number: CN201921760268.XU
Authority: CN
Inventors: 孟蒙蒙; 毛延发
Original assignee: Copper Medical Technology Co ltd
Current assignee: Shenzhen Cooper Medical Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-08-18
Anticipated expiration: 2029-10-21

Abstract

A drainage catheter assembly includes a drainage catheter. The drainage catheter comprises a catheter body, a joint and a control wire, wherein the catheter body is made of flexible materials, the head of the catheter body is used for being inserted into a human body, the tail of the catheter body is connected with the joint, a drainage cavity and the control wire cavity are formed in the catheter body, the joint is provided with a first channel which is axially arranged, the tail of the drainage cavity is communicated with the first channel of the joint, and the head of the drainage cavity is open; the two ends of the control line are a fixed end and a traction end, the fixed end of the control line penetrates through the control line cavity and is fixed with the head of the control line cavity, the traction end of the control line is exposed out of the tail of the control line cavity, and the control line is used for bending the tube body into a pigtail shape. The fixed end of the control line is fixed at the head of the control line cavity, and medical personnel can pull the tube body into a pigtail shape through the pulling end of the control line, so that the operation is more convenient and faster.

Description

Drainage catheter assembly

Technical Field

The application relates to the technical field of medical instruments, in particular to a drainage catheter component.

Background

The drainage catheter is used for clinical surgical drainage and is a medical apparatus for guiding pus, blood and liquid accumulated in human body tissues or body cavities to the outside of a body, preventing postoperative infection and promoting wound healing. The head of current drainage catheter adopts pigtail annular design more, and it can be so that internal keeping more comfortable, avoids most advanced amazing, and can effectually prevent the pipe displacement, when putting into the human body with drainage catheter, how to make drainage catheter's head keep into pigtail annular form and become a difficult problem.

Disclosure of Invention

The application provides a drainage catheter subassembly can solve the difficult problem that keeps the pigtail form of current drainage catheter's head.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a drainage catheter assembly comprises a drainage catheter, wherein the drainage catheter comprises a catheter body, a joint and a control wire, the catheter body is made of flexible materials, the head of the catheter body is used for being inserted into a human body, the tail of the catheter body is connected with the joint, a drainage cavity and the control wire cavity are formed in the catheter body, the joint is provided with a first channel which is arranged along the axial direction, the tail of the drainage cavity is communicated with the first channel of the joint, and the head of the drainage cavity is open; the two ends of the control line are a fixed end and a traction end, the fixed end of the control line penetrates through the control line cavity and is fixed with the head of the control line cavity, the traction end of the control line is exposed out of the tail of the control line cavity, and the control line is used for bending the tube body into a pigtail shape.

Furthermore, the joint is provided with a second channel, the tail part of the control line cavity channel is communicated with the second channel, and the pulling end of the control line passes through the second channel and is exposed out of the joint.

Furthermore, the joint also comprises a limiting piece which is used for being clamped into the second channel and limiting the pulling end of the control line to move.

Furthermore, the locating part is a locating bolt.

Further, the head of the control line cavity channel is closed.

Further, the tube body is made of medical grade polyurethane material.

Further, the inner diameter of the drainage lumen is larger than the inner diameter of the control line lumen. The internal diameter of the drainage cavity is 1.9mm, and the internal diameter of the control line cavity is 0.6 mm.

Further, the drainage catheter assembly further comprises a straightening rod for straightening the pipe body bent into the pig tail shape.

The straightening rod comprises a handheld part and a rod body, wherein the rod body is straight and is connected to the handheld part.

The beneficial effect of this application is:

1) according to the drainage catheter, the drainage cavity and the control wire cavity are arranged in the catheter body of the drainage catheter, fluid substances such as accumulated liquid and accumulated air are discharged out of a human body through the drainage cavity, the fixed end of the control wire is fixed to the head of the control wire cavity, and medical personnel can pull the catheter body into a pigtail shape through the pulling end of the control wire, so that the drainage catheter is convenient and quick; in addition, the control line is positioned in the control line cavity of the tube body, so that the risk that the control line cuts the tissue of a patient can be effectively avoided;

2) the drainage catheter assembly also comprises a straightening rod, and the pigtail-shaped tube body is straightened by the straightening rod, so that the drainage catheter can be conveniently detached from a human body by medical personnel.

Drawings

FIG. 1 is a schematic view of a drainage catheter assembly;

FIG. 2 is a schematic view of a straightening bar in a drainage catheter assembly.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

As shown in fig. 1 and 2, a drainage catheter assembly includes a drainage catheter 1. The drainage catheter 1 comprises a body 11, a connector 12 and a control wire 13. The pipe body 11 is made of a flexible material to facilitate bending. The head of the tube 11 is inserted into the human body to suck the fluid substances such as pus, blood, and liquid in the tissue of the human body, the tail of the tube 11 is connected to the connector 12, and the fluid substances are sucked into the recovery device through the tube 11 and the connector 12. The interior of the body 11 has dual lumen conduits, which are a drainage lumen 111 and a control line lumen 112, respectively. The joint 12 has a first channel 121 disposed along an axial direction thereof, both ends of the first channel 121 are open, a tail portion of the drainage channel 111 communicates with the first channel 121 of the joint 12, and a head portion 111a of the drainage channel 111 is open for absorbing fluid substances. The two ends of the control wire 13 are defined as a fixed end 131 and a pulling end 132, the fixed end 131 of the control wire 13 passes through the interior of the control wire channel 112 and is fixed with the head of the control wire channel 112, and the pulling end 132 of the control wire 13 is exposed at the tail of the control wire channel 112. With this design, when the drainage catheter 1 is inserted into the relevant tissue of the human body, the fluid substance is led out through the drainage channel 111 of the tube body 11, and the medical staff pulls the pulling end 132 of the control wire 13, so that the tube body 11 can be bent into a pigtail shape, which is convenient and fast. By placing the control wire 13 within the control wire lumen 112 inside the tube 11, the risk of the control wire 13 cutting the patient's tissue is effectively avoided.

Further, the connector has a second channel 122, and the tail of the control wire channel 112 communicates with the second channel 122. In this embodiment, the second channel 122 is L-shaped, the second channel 122 has two openings, the two openings are an axial opening and a radial opening, the pulling end 132 of the control wire 13 enters the axial opening of the second channel 122 and passes through the radial opening, and finally the pulling end 132 is exposed outside the joint 12, so that the medical staff can pull the control wire 13 from the joint 12 conveniently. The joint 12 further includes a limiting member 123, and when the medical care personnel pulls the pulling end 132 of the control wire 13 to make the tube body 11 be in a pigtail shape, the limiting member 123 is inserted into the radial opening of the second channel 122 to limit the displacement of the pulling end 132 of the control wire 13, and at the same time, the tube body 11 is kept in a pigtail shape to be fixed. The stopper 123 in this embodiment is a stopper pin.

The tube body 11 is made of medical polyurethane and has certain elasticity and softness. The head of the control line channel 112 is closed to prevent fluid matter from entering the control line channel 112 and clogging the control line channel 112.

The inner diameter of the drainage channel 111 is greater than the inner diameter of the control line channel 112, and in this embodiment, the inner diameter of the drainage channel 111 is 1.9mm, and the inner diameter of the control line channel 112 is 0.6 mm. The larger inner diameter drainage channel 111 may aspirate more fluid material.

As shown in fig. 2, the drainage catheter assembly further comprises a straightening rod 2, after drainage is finished, the straightening rod 2 can straighten the pigtail-shaped tube body 11, and medical staff can conveniently detach the head of the tube body 11 from a human body. Specifically, the straightening rod 2 includes a hand-held portion 21 and a rod 22, and the rod 22 is straight and connected to the hand-held portion 21.

The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the inventive concepts herein.

Claims

1. A drainage catheter assembly characterized by: the drainage catheter comprises a catheter body, a joint and a control wire, wherein the catheter body is made of flexible materials, the head of the catheter body is used for being inserted into a human body, the tail of the catheter body is connected with the joint, a drainage cavity and the control wire cavity are formed in the catheter body, the joint is provided with a first channel which is arranged along the axial direction, the tail of the drainage cavity is communicated with the first channel of the joint, and the head of the drainage cavity is open;

the two ends of the control line are a fixed end and a drawing end, the fixed end of the control line penetrates through the control line cavity and is fixed with the head of the control line cavity, the drawing end of the control line is exposed out of the tail of the control line cavity, and the control line is used for bending the tube body into a pigtail shape.

2. The drainage catheter assembly of claim 1, wherein: the joint is provided with a second channel, the tail part of the control wire cavity channel is communicated with the second channel, and the pulling end of the control wire penetrates through the second channel and is exposed out of the joint.

3. The drainage catheter assembly of claim 2, wherein: the joint further comprises a limiting piece, and the limiting piece is used for being clamped into the second channel and limiting the pulling end of the control line to move.

4. The drainage catheter assembly of claim 3, wherein: the limiting part is a limiting bolt.

5. The drainage catheter assembly of claim 1, wherein: the head of the control line cavity is closed.

6. The drainage catheter assembly of claim 1, wherein: the tube body is made of medical grade polyurethane.

7. The drainage catheter assembly of claim 1, wherein: the inner diameter of the drainage cavity is larger than that of the control line cavity.

8. The drainage catheter assembly of claim 7, wherein: the internal diameter of drainage chamber is 1.9mm, the internal diameter of control line chamber is 0.6 mm.

9. The drainage catheter assembly of any of claims 1-8, wherein: the drainage catheter assembly also comprises a straightening rod which is used for straightening the pipe body which is bent into the pig tail shape.

10. The drainage catheter assembly of claim 9, wherein: the straightening rod comprises a handheld part and a rod body, wherein the rod body is straight, and the rod body is connected to the handheld part.