CN215608606U

CN215608606U - Anti-reflux thoracic closed drainage tube

Info

Publication number: CN215608606U
Application number: CN202121204567.2U
Authority: CN
Inventors: 贾利民
Original assignee: Taizhou Enze Medical Center Group
Current assignee: Taizhou Enze Medical Center Group
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-25
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to the technical field of drainage tubes, in particular to an anti-backflow thoracic closed drainage tube, which comprises a tube body, wherein one end of the tube body is provided with a plurality of groups of liquid inlet holes, one end of the tube body, which is far away from the liquid inlet holes, is connected with a one-way valve, the one-way valve consists of a valve block, an upper valve body, a valve core and a lower valve body, one end of the one-way valve, which is far away from the tube body, is connected with a connector, one end of the connector, which is far away from the one-way valve, is connected with a connector, and one end of the connector, which is far away from the connector, is connected with a plug connector.

Description

Anti-reflux thoracic closed drainage tube

Technical Field

The utility model relates to the technical field of drainage tubes, in particular to an anti-reflux closed thoracic drainage tube.

Background

Thoracic cavity closed drainage device is comparatively common at thoracic surgery, and thoracic cavity closed drainage tube is connected with water-sealed bottle through the joint, and unexpected tractive is probably throw off, and is not uncommon in clinic, if throw off, and gas freely can come in and go out the thorax, causes open pneumothorax, for preventing to throw off, adopts the adhesive tape winding, and is long-time, and the adhesive tape can the viscidity decline, still has the risk of throwing off, in case throw off, and gas freely gets into the pleural cavity, arouses open pneumothorax.

Therefore, it is required to design a closed thoracic drain with an anti-reflux function to solve the above-mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reverse flow preventing closed thoracic drainage tube to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a prevent thorax closed drainage tube against current, includes the body, body one end is equipped with multiunit feed liquor hole, the one end that the feed liquor hole was kept away from to the body is connected with the check valve, the check valve comprises valve block, last valve body, case and lower valve body, the one end that the body was kept away from to the check valve is connected with the connector, the one end that the check valve was kept away from to the connector is connected with the connecting pipe, the one end that the connector was kept away from to the connecting pipe is connected with the bayonet joint.

As a preferable scheme of the utility model, the valve plate is arranged in the upper valve body close to the upper end, the valve core is arranged in the middle of the upper valve body and the lower valve body, and the upper valve body and the lower valve body are connected by screwing through threads.

As a preferable scheme of the utility model, the valve core consists of a baffle, a slide rod, a return spring, a sleeve seat and a fixed plate, the sleeve seat and the lower valve body are in an integrated structure, the sleeve seat and the slide rod are connected in a sleeved mode, the slide rod and the baffle are in an integrated structure, the return spring, the baffle and the fixed plate are fixedly connected, and the return spring is provided with a plurality of groups and distributed in an annular shape at equal intervals.

As the preferable scheme of the utility model, the connecting head consists of an upper connecting seat, a sealing ring and a lower connecting seat, the sealing ring is arranged at the connecting part of the upper connecting seat and the lower connecting seat, and the upper connecting seat and the lower connecting seat are connected through threads.

According to the preferable scheme of the utility model, the plug-in connector consists of a contact pin, a connecting column and a limiting sleeve, the contact pin, the connecting column, the limiting ring and the limiting sleeve are integrated with the connecting tube, and a plurality of groups of limiting rings are arranged outside the connecting column and inside the limiting sleeve.

As the preferable scheme of the utility model, the pipe body, the upper valve body, the lower valve body, the upper connecting seat, the lower connecting seat and the connecting pipe are all of an integrated structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement, when the pipe body and the drainage bottle are disconnected, the air pressure at the upper end of the baffle plate is reduced, the baffle plate rebounds under the action of the reset spring to block the upper valve body, so that gas backflow is avoided, and when the gas flows back to the valve block, the valve block is closed, so that the generation of open pneumothorax can be effectively prevented.

2. According to the utility model, through the arranged connector, the connector consists of the upper connecting seat, the sealing ring and the lower connecting seat, the sealing ring is arranged at the connecting part of the upper connecting seat and the lower connecting seat, and the upper connecting seat and the lower connecting seat are connected through threads to form a sealing connecting structure, so that connection falling is reduced.

3. According to the utility model, through the arranged plug, the plug consists of the contact pin, the connecting column and the limiting sleeve, the contact pin, the connecting column, the limiting ring and the limiting sleeve are of an integrated structure, a plurality of groups of limiting rings are arranged outside the connecting column and inside the limiting sleeve, so that the plug is more stable and less prone to falling off during plugging, and the pipe body and the upper valve body, the lower valve body and the upper connecting seat, the lower connecting seat and the connecting pipe are of an integrated structure, so that the connecting structure is reduced, and the whole body is firmer.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a block diagram of the check valve of the present invention;

FIG. 3 is a structural diagram of a connector according to the present invention;

FIG. 4 is a view of the valve cartridge of the present invention;

FIG. 5 is a block diagram of the plug of the present invention;

fig. 6 is a view showing a valve body of the present invention.

In the figure: 1. a pipe body; 2. a liquid inlet hole; 3. a one-way valve; 301. a valve plate; 302. an upper valve body; 303. a valve core; 3031. a baffle plate; 3032. a slide bar; 3033. a return spring; 3034. a sleeve seat; 3035. a fixing plate; 304. a lower valve body; 4. a connector; 401. an upper connecting seat; 402. a seal ring; 403. a lower connecting seat; 5. a connecting pipe; 6. a plug-in connector; 601. inserting a pin; 602. connecting columns; 603. a limiting ring; 604. a limiting sleeve.

Detailed Description

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

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a prevent thorax closed drainage tube against current, including

body

1, 1 one end of body is equipped with multiunit feed liquor hole 2, the one end that feed liquor hole 2 was kept away from to body 1 is connected with check valve 3, check valve 3 comprises valve block 301, upper valve body 302, case 303 and lower valve body 304, the one end that body 1 was kept away from to check valve 3 is connected with connector 4, the one end that check valve 3 was kept away from to connector 4 is connected with connecting pipe 5, the one end that connector 4 was kept away from to connecting pipe 5 is connected with bayonet joint 6.

In the embodiment, referring to fig. 2, 4 and 6, the valve sheet 301 is disposed inside the upper valve body 302 near the upper end, the valve core 303 is disposed between the upper valve body 302 and the lower valve body 304, the upper valve body 302 and the lower valve body 304 are screwed together by a thread, the valve core 303 is composed of a baffle 3031, a sliding rod 3032, a return spring 3033, a sleeve holder 3034 and a fixing plate 3035, the sleeve holder 3034 and the lower valve body 304 are integrated, the sleeve holder 3034 and the sliding rod 3032 are connected in a sleeved manner, the sliding rod 3032 and the baffle 3031 are integrated, the return spring 3033 and the fixing plate 3031 and the fixing plate 3035 are fixedly connected, the return spring 3033 is provided with a plurality of groups and distributed at equal intervals in a ring shape to form a secondary non-return structure, when the pipe body 1 and the drainage bottle are disconnected, the air pressure at the upper end of the baffle 3031 is reduced, the baffle 3031 rebounds under the action of the return spring 3033 to block the upper valve body 302 to prevent air from flowing back, when the gas flows back to the valve plate 301, the valve plate 301 is closed, so that the generation of open pneumothorax can be effectively prevented.

In an embodiment, referring to fig. 1 and 3, the connector 4 is composed of an upper connector seat 401, a sealing ring 402 and a lower connector seat 403, the sealing ring 402 is disposed at a connection position of the upper connector seat 401 and the lower connector seat 403, and the upper connector seat 401 and the lower connector seat 403 are connected by a screw thread to form a sealing connection structure, so as to reduce connection falling.

In an embodiment, referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the plug connector 6 is composed of a pin 601, a connecting post 602 and a limiting sleeve 604, and the pin 601, the connecting post 602, the limiting ring 603, the limiting sleeve 604 and the connecting pipe 5 are integrated, the external part of the connecting post 602 and the internal part of the limiting sleeve 604 are respectively provided with a plurality of sets of limiting rings 603, so that the plug connector is more stable during plugging and less prone to dropping, the pipe body 1 and the upper valve body 302, the lower valve body 304 and the upper connecting seat 401, and the lower connecting seat 403 and the connecting pipe 5 are all integrated, so that the connection structure is reduced, and the whole is firmer.

The working principle is as follows: when the drainage bottle is used, when the pipe body 1 and the drainage bottle are disconnected, the air pressure at the upper end of the baffle 3031 is reduced, the baffle 3031 rebounds under the action of the reset spring 3033 to block the upper valve body 302, so that the gas backflow is avoided, when the gas flows back to the position of the valve plate 301, the valve plate 301 is closed, the generation of open pneumothorax can be effectively prevented, the normal function is not influenced, the risk of open pneumothorax caused by the disconnection of a connector is thoroughly avoided, a sealing connection structure is formed at the position of the connector 4 to reduce the connection drop, the plug-in connector 6 comprises a plug pin 601, a connecting column 602 and a limiting sleeve 604, the plug pin 601, the connecting column 602, the limiting ring 603, the limiting sleeve 604 and the connecting pipe 5 are of an integrated structure, a plurality of groups of limiting rings 603 are arranged outside the connecting column 602 and inside the limiting sleeve 604, the plug-in connection is more stable, the drop is reduced, and the pipe body 1, the upper valve body 302, the lower valve body 304, the upper connecting seat 401, the lower connecting seat 403 and the connecting pipe 5 are of an integrated structure, reduce connection structure, it is whole more firm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent thorax closed drainage tube against current, includes body (1), its characterized in that: body (1) one end is equipped with multiunit feed liquor hole (2), the one end that feed liquor hole (2) were kept away from in body (1) is connected with check valve (3), check valve (3) comprise valve block (301), last valve body (302), case (303) and lower valve body (304), the one end that body (1) were kept away from in check valve (3) is connected with connector (4), the one end that check valve (3) were kept away from in connector (4) is connected with connecting pipe (5), the one end that connector (4) were kept away from in connecting pipe (5) is connected with bayonet joint (6).

2. The closed thoracic drain of claim 1 wherein: valve block (301) are established at the inside upper end that is close to of last valve body (302), valve core (303) are established in the middle of last valve body (302) and lower valve body (304), just go up between valve body (302) and the lower valve body (304) through the threaded connection of screwing.

3. The closed thoracic drain of claim 1 wherein: the valve core (303) is composed of a baffle plate (3031), a sliding rod (3032), a return spring (3033), a sleeve seat (3034) and a fixing plate (3035), the sleeve seat (3034) and the lower valve body (304) are of an integrated structure, the sleeve seat (3034) and the sliding rod (3032) are connected in a sleeved mode, the sliding rod (3032) and the baffle plate (3031) are of an integrated structure, the return spring (3033), the baffle plate (3031) and the fixing plate (3035) are fixedly connected, and the return spring (3033) is provided with a plurality of groups and is distributed at equal intervals in a ring shape.

4. The closed thoracic drain of claim 1 wherein: connector (4) comprise last connecting seat (401), sealing washer (402) and lower connecting seat (403), just sealing washer (402) are established in the junction of last connecting seat (401) and lower connecting seat (403), just pass through threaded connection between last connecting seat (401) and lower connecting seat (403).

5. The closed thoracic drain of claim 1 wherein: the plug connector (6) is composed of a contact pin (601), a connecting column (602) and a limiting sleeve (604), the contact pin (601), the connecting column (602), a limiting ring (603), the limiting sleeve (604) and the connecting pipe (5) are of an integrated structure, and a plurality of groups of limiting rings (603) are arranged outside the connecting column (602) and inside the limiting sleeve (604).

6. The closed thoracic drain of claim 1 wherein: the pipe body (1) and the upper valve body (302), the lower valve body (304) and the upper connecting seat (401), the lower connecting seat (403) and the connecting pipe (5) are of an integrated structure.