CN215082845U

CN215082845U - Thoracic drainage device

Info

Publication number: CN215082845U
Application number: CN202120288416.3U
Authority: CN
Inventors: 董薇
Original assignee: First Affiliated Hospital of Guangzhou Medical University
Current assignee: First Affiliated Hospital of Guangzhou Medical University
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-10
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a thoracic drainage device, which comprises a drainage bottle, wherein the drainage bottle is communicated with a drainage tube reserved in a human body; the drainage tube is characterized by also comprising a connecting tube, wherein one end of the connecting tube is detachably connected with the drainage tube, the other end of the connecting tube is detachably connected with the drainage bottle, and a one-way valve is arranged in the tube wall of one end of the connecting tube, which is close to the drainage bottle; the check valve comprises an annular base and a plurality of valve core pieces, the annular base and the valve core pieces are integrally formed, and the valve core pieces are arranged at equal intervals along the circumferential direction of the annular base; the valve core pieces are in a cone shape, two adjacent valve core pieces are tightly attached, the valve core pieces are folded into a cone shape, the vertex angle of the cone extends to the drainage bottle, and the conical surface of the cone is a closed surface. When the drainage bottle is replaced, the one-way valve in the connecting pipe can be automatically closed after being pulled out, so that the drainage bottle has the characteristics of simple structure and convenience for the operation of medical personnel.

Description

Thoracic drainage device

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a thoracic drainage device.

Background

In the prior art, after a chest incision operation or when accumulated water and accumulated liquid exist in the chest cavity of a patient, the accumulated water and the accumulated liquid in the chest cavity need to be drained out of a body by using a drainage device; moreover, in the operation of pulling the drainage tube and the drainage bottle apart and reconnecting, the medical staff has to clamp the drainage tube with a clamp or a forceps in the whole operation process, and the operation can cause air to enter the thoracic cavity of the patient carelessly, which causes medical accidents.

SUMMERY OF THE UTILITY MODEL

In view of the problems existing in the prior art, the utility model provides a thoracic drainage device, which has simple structure and convenient operation, can prevent air from entering the thoracic cavity of a patient from a drainage tube, and aims to solve one of the problems existing in the prior art.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

a thoracic drainage device comprises a drainage bottle, wherein the drainage bottle is communicated with a drainage tube reserved in a human body, and the thoracic drainage device is characterized by also comprising a connecting pipe, one end of the connecting pipe is detachably connected with the drainage tube, the other end of the connecting pipe is detachably connected with the drainage bottle, and a one-way valve is arranged in the pipe wall of one end of the connecting pipe, which is close to the drainage bottle;

the check valve comprises an annular base and a plurality of valve core pieces, the annular base and the valve core pieces are integrally formed, and the valve core pieces are arranged at equal intervals along the circumferential direction of the annular base;

the valve core pieces are in a cone shape, two adjacent valve core pieces are tightly attached, the valve core pieces are folded into a cone shape, the vertex angle of the cone extends to the drainage bottle, and the conical surface of the cone is a closed surface.

The thoracic drainage device is characterized in that the connecting pipe and the one-way valve are made of silica gel materials, and the annular base is fixed on the inner wall of the connecting pipe by adopting an ultrasonic welding technology.

The thoracic drainage device is characterized in that the number of the valve cores is four, the four valve cores are folded into a cone, the top angle of the cone extends to the drainage bottle, and the conical surface of the cone is a closed surface.

The thoracic drainage device is characterized in that a drainage interface is arranged on the drainage bottle, the drainage interface is inserted into one end of the connecting pipe, the valve core piece extends into the drainage interface, and the connecting pipe is in interference fit with the drainage interface.

To sum up, compare with prior art, owing to adopted such structure, the connecting pipe is when pulling out from the drainage bottle, and the valve core piece in the connecting pipe folds into closed surface owing to the effort that receives negative pressure and air to keep apart with the air in making the connecting pipe, consequently, the beneficial effects of the utility model are that:

1. the structure is simple, and the operation of medical staff is convenient;

2. the working efficiency is improved;

3. the connecting pipe is isolated from the air, so that the patient is prevented from being infected, and medical accidents are effectively avoided.

The present invention will be described in further detail with reference to the following embodiments.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the connecting tube of the present invention;

fig. 3 is a top view of the check valve of the present invention;

fig. 4 is a cross-sectional view taken along the plane a-a of fig. 3.

Detailed Description

Other advantages and effects of the present invention will become apparent to those skilled in the art from the following description, which, taken in conjunction with the annexed drawings, discloses specific embodiments of the present invention.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope of the present invention without affecting the functions and the achievable purposes of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "front", "back", "inner", "outer", "first" and "second" used in the present specification are only for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes. The specific structure can be explained with reference to the drawings of the patent application.

Referring to fig. 1 to 4, the present invention provides a thoracic drainage device, which comprises a drainage bottle 1, a drainage tube (not shown in the drawings, the same below) reserved in the human body, and a connection tube 2 made of silica gel material, wherein a connection joint (not shown in the drawings, the same below) is inserted into the drainage tube, the connection joint is inserted into one end of the connection tube 2, the connection joint is in interference fit with the connection tube 2, and the connection tube 2 is detachably connected with the drainage tube; the other end of the connecting pipe 2 is detachably connected with the drainage bottle 1, and a one-way valve 20 made of silica gel material is arranged in the pipe wall of one end of the connecting pipe 2 close to the drainage bottle 1;

the check valve 20 comprises an annular base 201 and a plurality of valve core pieces 202, the annular base 201 and the valve core pieces 202 are integrally formed, the annular base 201 is welded and fixed on the inner wall of the connecting pipe 2 by adopting an ultrasonic welding technology, and the plurality of valve core pieces 202 are arranged at equal intervals along the circumferential direction of the annular base 201; it should be noted that, as shown in fig. 4, the valve core pieces 202 are cone-shaped, in the closed state, two adjacent valve core pieces 202 are tightly attached, the valve core pieces 202 are folded into a cone shape, the direction of the cone vertex angle points to the drainage bottle 1, the cone surface of the cone is a closed isolation surface, and in the open state of the valve core pieces 202, the cone vertex angle is opened to form a through hole through which liquid can flow.

The working principle is as follows: the two ends of the connecting pipe 2 are respectively connected and communicated with the drainage pipe and the drainage bottle 1, accumulated water and accumulated liquid in the chest cavity of the patient flow to the drainage bottle 1 through the drainage pipe and the connecting pipe 2 under the action of gravity, when the drainage bottle 1 needs to be replaced, the connecting pipe 2 is directly pulled out of the drainage bottle, under the action of negative pressure and air pressure, the valve core pieces 202 are folded into a closed isolation surface, and the connecting pipe is isolated from air; the connecting pipe 2 is inserted into the replaced drainage bottle 1 again, the connecting pipe 2 is pinched and pressed, and drainage is continued under the action of gravity.

As an optimal technical solution of the present invention, as shown in fig. 1 and fig. 3, the number of the valve chips 202 is four, the four valve chips 202 are folded into a cone shape, the direction of the cone apex angle points to the drainage bottle 1, the cone surface of the cone is a closed isolation surface, and the cone apex angle is opened to form a through hole through which liquid can flow when the four valve chips 202 are opened.

As the utility model discloses preferred technical scheme, it is shown with fig. 1, fig. 4 to combine, be equipped with drainage interface 10 on the drainage bottle 1, drainage interface 10 inserts 2 one ends of connecting pipe, and valve core piece 202 stretches into drainage interface 10, connecting pipe 2 and drainage interface 10 interference fit.

Compared with the prior art, the drainage bottle has the advantages that due to the adoption of the structure, when the connecting pipe is pulled out of the drainage bottle, the valve core piece in the connecting pipe is folded into the closed surface due to the action force of negative pressure and air, so that the connecting pipe is isolated from the air, the drainage bottle is simple in structure and convenient for medical personnel to operate, the air can be prevented from entering the thoracic cavity of a patient from the drainage pipe, the patient is prevented from being infected, and medical accidents are effectively avoided.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a thoracic drainage device, includes the drainage bottle, drainage bottle and reservation in human drainage tube intercommunication, its characterized in that:

the device also comprises a connecting pipe;

one end of the connecting pipe is detachably connected with the drainage tube, the other end of the connecting pipe is detachably connected with the drainage bottle, and a one-way valve is arranged in the pipe wall of one end of the connecting pipe, which is close to the drainage bottle;

2. The chest drainage device of claim 1, wherein:

the connecting pipe and the check valve are made of silica gel materials, and the annular base is fixed on the inner wall of the connecting pipe by adopting an ultrasonic welding technology.

3. The chest drainage device of claim 1, wherein:

the number of the valve cores is four, the four valve cores are folded into a cone, the vertex angle of the cone extends to the drainage bottle, and the conical surface of the cone is a closed surface.

4. The chest drainage device of claim 1, wherein:

the drainage bottle is provided with a drainage interface, the drainage interface is inserted into one end of the connecting pipe, the valve core piece extends into the drainage interface, and the connecting pipe is in interference fit with the drainage interface.