CN212090486U

CN212090486U - Puncture drainage tube

Info

Publication number: CN212090486U
Application number: CN201922064063.4U
Authority: CN
Inventors: 杨奕
Original assignee: TIANJIN XIANGYUE MEDICAL EQUIPMENT CO Ltd
Current assignee: TIANJIN XIANGYUE MEDICAL EQUIPMENT CO Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-12-08
Anticipated expiration: 2029-11-26

Abstract

The utility model provides a puncture drainage tube, includes three edged needles, hollow tube, negative pressure ware, its characterized in that: the hollow pipe is provided with a Y-shaped interface, and the Y-shaped interface comprises an air filter and a sealing interface; the three-edged needle comprises a needle head and a needle handle, and the needle handle extends into the inlet of the hollow tube; the inner wall of the hollow pipe is provided with a one-way valve, and the outlet of the hollow pipe is connected with a negative pressure device. The drainage liquid is prevented from flowing back into the human body by arranging the one-way valve on the inner wall of the drainage tube, so that the probability of retrograde infection is effectively reduced. The Y-shaped interface is arranged outside the drainage tube, the Y-shaped interface can be connected with a branch drainage tube to conduct drainage at multiple positions, and the multi-layer sealing structure is arranged in the Y-shaped interface, so that the sealing performance is guaranteed, and bacterial infection is prevented from entering.

Description

Puncture drainage tube

Technical Field

The utility model relates to a medical drainage technical field especially relates to a puncture drainage tube.

Background

After surgery, a drainage tube is required to be arranged in a patient body to guide pus, blood and liquid accumulated in human tissues or body cavities to the outside of the body, so as to prevent postoperative infection and influence on wound healing.

At present, a drainage tube generally used in clinic is a single tube, one end of the drainage tube is a drainage end, and the other end of the drainage tube is connected with a negative pressure device. A plurality of drainage tubes are required to be placed on a patient with a complicated operation or serious illness, and the plurality of drainage tubes not only bring pain to the body of the patient, but also bring inconvenience to life.

When the drainage tube works, the drainage tube is touched and interfered due to external reasons, so that pus, blood and liquid in the drainage tube flow back into a human body to aggravate the illness state of the patient.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, this system provides a puncture drainage tube.

The utility model provides a puncture drainage tube, includes three edged needles, hollow tube, negative pressure ware, its characterized in that:

the hollow pipe is provided with a Y-shaped interface, and the Y-shaped interface comprises an air filter and a sealing interface;

the three-edged needle comprises a needle head and a needle handle, and the needle handle extends into the inlet of the hollow tube;

the outlet of the hollow pipe is connected with a negative pressure device; a one-way flap is arranged in the hollow tube and is positioned between the needle handle and the Y-shaped interface.

Furthermore, the upper part of the sealing interface is of a cylindrical structure, the middle part of the sealing interface is of a conical structure, the lower part of the sealing interface is of a connecting pipe, the side wall of the connecting pipe is connected with the air filter, and the lower end of the connecting pipe is connected with the hollow pipe.

Further, the top of the cylindrical structure is provided with a sealing cover, and a sealing ring is arranged along the circumference of the inner wall of the cylindrical structure.

Furthermore, the upper section and the lower section of the conical structure are both provided with a petal-shaped sealing structure.

Furthermore, three facets of the triangular needle are all concave structures.

The utility model has the advantages that:

the utility model discloses a set up one-way lamella at the drainage tube inner wall, can prevent that drainage liquid from flowing back to in the human body to effectively reduce the chance of retrograde infection. Set up Y type interface in the drainage tube outside, can only provide filtered air's effect at ordinary times, when the patient needs many places drainage, also can connect a branch drainage tube on Y type interface, carry out many places drainage to set up multilayer seal structure in Y type interface, guarantee the leakproofness, prevent to get into the bacterial infection. The utility model has the advantages of simple integral structure, convenient operation, be fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a puncture drainage tube according to the present invention;

FIG. 2 is a cross-sectional view of a triangular needle inserted into a hollow tube;

FIG. 3 is a schematic structural view of a Y-shaped interface connected into a drainage tube;

FIG. 4 is a schematic view of a petal seal configuration;

wherein: 1-a needle head; 2-needle handle; 3-hollow pipe; 4-one-way flap; 5-Y type interface; 6-a negative pressure device; 51-columnar structure; 52-a tapered configuration; 53-air filter; 54-connecting tube; 55-a sealing cover; 56-sealing ring; 57-upper petal seal structure; 58-lower lobe seal configuration.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

As shown in fig. 1, a puncture drainage tube comprises a triangular needle, a hollow tube 3 and a negative pressure device 6, and is characterized in that a Y-shaped interface 5 is arranged on the hollow tube 3; the hollow tube 3 is internally provided with a one-way flap 4, the one-way flap 4 is positioned between the needle handle 2 and the Y-shaped interface 5, and can effectively prevent drainage fluid from flowing back into a human body, thereby reducing the chance of retrograde infection. The triangular needle comprises a needle head 1 and a needle handle 2, the needle handle 2 extends into an inlet of a hollow tube 3, the needle head 1 is penetrated into the skin, the hollow tube 3 penetrates the skin along with the needle handle 2 and enters the body to be subjected to certain pressure, and the needle handle 2 extending into the hollow tube 3 plays a supporting role; the outlet of the hollow tube 3 is connected with a negative pressure device 6.

As shown in figure 2, the three edges of the triangular needle are concave structures, the three inlets for liquid drainage are formed between the needle handle 2 and the hollow tube 3 due to the structure, and in order to reduce the surface tension of tissue fluid which can not smoothly enter the hollow tube, the concave structure of the three edges at the joint of the hollow tube and the needle handle can be formed into a cutting surface, so that the areas of the three liquid drainage ports at the joint of the needle handle and the hollow tube are larger than the direct connection area, and the liquid drainage is easier to rapidly discharge.

As shown in fig. 3 and 4, the Y-port 5 includes an air filter 3 and a sealing port; the upper part of the sealing interface is a cylindrical structure 51, the middle part of the sealing interface is a conical structure 52, the lower part of the sealing interface is a connecting pipe 54, the side wall of the connecting pipe 54 is connected with the air filter 53, and the lower end of the connecting pipe is connected with the hollow pipe 3; the top of the cylindrical structure 51 is provided with a sealing cover 55, and the sealing cover 55 is in a closed state when the drainage tube is not needed to be additionally connected. A sealing ring 56 is arranged along the circumference of the inner wall of the cylindrical structure 51, and when the Y-shaped interface 5 is connected with another drainage tube, the sealing and fixing effects are realized on the circumference of the drainage tube; the upper section of the conical structure 52 is provided with an upper petal-shaped sealing structure 57, and the lower section of the conical structure is provided with a lower petal-shaped sealing structure 58, so that the conical structure has a further sealing effect. The end part of another drainage tube comprises a circular truncated cone-shaped end part matched with the size of the lower petal-shaped sealing structure 58, the lower petal-shaped sealing structure 58 can be inserted in a good matching manner, the upper end of the drainage tube is also provided with a sealing ring part matched with the sealing ring 56, the outer diameter of the sealing ring part is smaller than the inner diameter of the cylindrical structure 51, the sealing ring part is sleeved on the outer wall of the drainage tube and can be separated or integrated, and the purpose is that the sealing ring 56 is matched to play a role in sealing.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a puncture drainage tube, includes three edged needles, hollow tube, negative pressure ware, its characterized in that:

the outlet of the hollow pipe is connected with a negative pressure device;

a one-way flap is arranged in the hollow tube and is positioned between the needle handle and the Y-shaped interface.

2. The puncture drainage tube according to claim 1, wherein the sealing port has an upper portion of a cylindrical structure, a middle portion of a conical structure, and a lower portion of a connecting tube, the side wall of the connecting tube is connected to the air filter, and the lower end of the connecting tube is connected to the hollow tube.

3. A puncture drainage tube according to claim 2, characterized in that the top of the cylindrical structure is provided with a sealing cover, and a sealing ring is arranged along the inner wall of the cylindrical structure for one circle.

4. A puncture drainage tube according to claim 2, wherein the upper and lower sections of said tapered structure are provided with flap-shaped sealing structures.

5. The puncture drainage tube according to claim 1, wherein the three facets of the triangular needle are all concave structures.