CN211157593U

CN211157593U - Pleural effusion drainage bag connecting device

Info

Publication number: CN211157593U
Application number: CN201921424860.2U
Authority: CN
Inventors: 易紫辉; 钟博华; 梁倩
Original assignee: First Affiliated Hospital of Guangxi Medical University
Current assignee: First Affiliated Hospital of Guangxi Medical University
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-08-04
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a medical treatment auxiliary assembly technical field, concretely relates to pleural effusion drainage bag connecting device, including connecting piece and mounting, connecting piece one end threaded connection central venous catheter is terminal, other end threaded connection mounting, the mounting cover is established on the hatband of drainage tube joint. The utility model discloses according to current drainage tube connects the design, come fixed connector from the cap ring that utilizes drainage tube to connect and design the mounting as the starting point, in order to establish the mounting cover and design the mounting and can dismantle the equipment on the cap ring, design mounting and connecting piece threaded connection simultaneously, connecting piece and central venous catheter threaded connection are in order to make things convenient for medical personnel's operation, firm in connection and inseparable after each parts equipment of whole device is in the same place, can place that the junction connects inseparably or the junction breaks away from some problems of bringing, medical personnel's nursing work load has been alleviateed, the patient has been reduced simultaneously and pneumothorax has appeared, the phenomenon of serious complications such as infection.

Description

Pleural effusion drainage bag connecting device

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, concretely relates to pleural effusion drainage bag connecting device.

Background

The drainage bag is generally used for storing urine, hydrops, hematocele, partial deep wound and pus in the pus cavity and other liquid discharged from the drainage tube. A plurality of diseases can cause pleural cavity and abdominal cavity effusion clinically, and a large number of pleural cavity and abdominal cavity effusion patients need to be punctured and drained for many times, so that the pain of the patients is increased, and the workload of medical staff is increased. In order to reduce the times of puncture drainage, the thoracic closed drainage is mostly carried out clinically by adopting a central venous catheter and a thoracic and ascites drainage bag, the central venous catheter is placed in a body cavity through a disposable central venous catheter, can be left in the body for a long time, continuously drains hydrops, enables the hydrops to be basically drained, and the central venous catheter is the most safe and effective drainage method clinically at present.

The tail end of a currently used central venous catheter is provided with a threaded joint, a drainage tube joint of a widely used pleural effusion drainage bag is in a hard inverted tower shape (the specific shape is shown in the attached drawing 1 in the specification), a cap ring (the shape is shown in the attached drawing 6 in the attached drawing 1 in the specification) is arranged close to a drainage tube of the drainage bag, the cap ring is connected with a long round tube (the shape is shown in the attached drawing 7 in the attached drawing 1 in the specification), and the long round tube is connected with a plurality of short round tubes (the shapes are shown in the attached drawing 8 in the attached drawing 1 in the specification) with gradually reduced outer. The end of central ductus venosus connects the unmatched with the drainage tube, links up the difficulty, adopts syringe and sticky tape to connect both in the actual work mostly, and the leakproofness is not good, connects insecurely, and patient has the problem of pulling central ductus venosus when stirring the health or moving in addition, easily struggles the junction to throw off, leads to the drainage liquid seepage, pollutes the sheet, increases the nursing degree of difficulty, still can cause serious complications such as pneumothorax, infection.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned current problem, the utility model aims to provide a pleural effusion drainage bag connecting device connects inseparable the linking together of central ductus venosus and drainage tube through setting up mounting and connecting piece, and the leakproofness is good, can avoid junction off-going problem.

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

a pleural effusion drainage bag connection device, comprising:

the drainage tube comprises a connecting piece, a first holding cavity area, a second holding cavity area, a third holding cavity area and a fourth holding cavity area, wherein the connecting piece is connected with a central venous catheter and a drainage tube connector, a holding cavity is arranged in the connecting piece and is divided into 4 areas, the area connected with the tail end of the central venous catheter is defined as the first holding cavity area, and the second holding cavity area, the third holding cavity area and the fourth holding cavity area are sequentially arranged from the direction close to the first holding cavity area to the direction far away; the aperture of the second accommodating cavity is gradually reduced from the end part connected with the third accommodating cavity area to the end part connected with the first accommodating cavity area, the shape and the size of the third accommodating cavity area correspond to the shape and the size of the multi-section short circular tube of the drainage tube connector, and a first internal thread is arranged on the inner wall of the fourth accommodating cavity area;

the fixed part comprises a left fixed part and a right fixed part, the connecting surface of the left fixed part and the right fixed part is provided with a corresponding connecting groove and a corresponding connecting rod, and the left fixed part and the right fixed part form a fixed part body through the connecting groove and the connecting rod; the fixing piece body is internally provided with a positioning cavity which is divided into 3 regions, the region connected with the connecting piece is defined as a first positioning cavity region, and a second positioning cavity region and a third positioning cavity region are sequentially arranged from the direction close to the first positioning cavity region to the direction far away from the first positioning cavity region; the shape and size of the first positioning cavity area correspond to the shape and size of the long circular tube of the drainage tube connector, the shape and size of the second positioning cavity area correspond to the shape and size of the cap ring of the drainage tube connector, and the aperture of the third positioning cavity area is smaller than that of the second positioning cavity area; the outer wall of the first positioning cavity area is provided with a first external thread corresponding to the first internal thread, and the connecting piece and the fixing piece are connected together through the first internal thread and the first external thread.

As the preferred, the face that connecting rod and spread groove contacted is the mat surface, sets up mat surface and lets comparatively inseparable that left mounting and right mounting are connected.

Preferably, the left fixing part and the right fixing part are connected through buckles matched with each other, so that the stability of the left fixing part and the right fixing part in connection is improved, and the connection is more stable.

Preferably, a second internal thread corresponding to the external thread at the tail end of the central venous catheter is arranged on the inner wall of the first accommodating cavity of the connecting piece, and the connecting piece is connected with the tail end of the central venous catheter through the second internal thread. The threaded connection is matched with the design of the tail end of the central venous catheter, the connection is firm, the sealing is tight, and meanwhile, the follow-up disassembly and replacement are convenient.

Preferably, the side wall of the fixing piece and the outer wall of the fourth accommodating cavity of the connecting piece are provided with anti-slip lines, and the anti-slip lines are arranged along the axial direction of the fixing piece and the axial direction of the connecting piece respectively. The friction force between the hand, the fixing piece and the connecting piece can be increased by arranging the anti-slip lines, and the fixing piece and the connecting piece can be conveniently detached or connected.

Preferably, the large aperture of the second accommodating cavity of the connecting piece is equal to the small aperture of the drainage tube connector, so that drainage liquid can conveniently and smoothly flow into the drainage tube connector, and pathological tissues or other large objects in the drainage liquid are prevented from being deposited at the joint of the first accommodating cavity of the connecting piece or the second accommodating cavity and the drainage tube connector to block the drainage tube connector.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the fixing piece of the utility model is detachably connected with the left fixing piece and the right fixing piece, so that the fixing piece is conveniently sleeved on the ring cap of the drainage tube joint and is connected with the connecting piece through threads, and the connecting piece is connected with the central venous catheter through the threads, thereby solving the problem that the tail end of the existing central venous catheter is not matched with the currently used drainage tube joint and is difficult to connect;

(2) the utility model discloses according to current drainage tube connects the design, come fixed connector from the cap ring that utilizes drainage tube to connect and design the mounting as the starting point, in order to establish the mounting cover and design the mounting and can dismantle the equipment on the cap ring, design mounting and connecting piece threaded connection simultaneously, connecting piece and central venous catheter threaded connection are in order to make things convenient for medical personnel's operation, firm in connection and inseparable after each parts equipment of whole device is in the same place, can place that the junction connects inseparably or the junction breaks away from some problems of bringing, medical personnel's nursing work load has been alleviateed, the patient has been reduced simultaneously and pneumothorax has appeared, the phenomenon of serious complications such as infection.

Drawings

FIG. 1 is a schematic view of a prior art connection to a drainage tube;

FIG. 2 is a schematic view of the overall structure of the connecting device of the pleural effusion drainage bag of the utility model;

FIG. 3 is a schematic cross-sectional view of the connector of the present invention;

FIG. 4 is a schematic view of the overall structure of the left fixing member of the present invention;

FIG. 5 is a schematic view of the overall structure of the right fixing member of the present invention;

description of the main reference numerals:

1-connecting piece, 21-first containing cavity, 211-second internal thread, 22-second containing cavity, 23-third containing cavity, 24-fourth containing cavity, 241-first internal thread, 3-fixing piece, 31-left fixing piece, 311-connecting hole, 32-right fixing piece, 321-connecting rod, 33-buckle, 41-first positioning cavity, 411-first internal thread, 42-second positioning cavity, 43-third positioning cavity, 5-anti-skid grain, 6-cap ring, 7-long circular tube and 8-short circular tube.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that 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 the technical personnel in the field 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 directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions 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 direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

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" should be interpreted broadly, e.g., as being either 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 application can be understood in a specific case to those skilled in the art.

Referring to fig. 1-5, a pleural effusion drainage bag attachment apparatus, comprising:

the connecting piece 1 is connected with the central venous catheter and the drainage tube connector, the interior of the connecting piece 1 is provided with an accommodating cavity, the accommodating cavity is divided into 4 areas, the area connected with the tail end of the central venous catheter is defined as a first accommodating cavity area 21, and a second accommodating cavity area 22, a third accommodating cavity area 23 and a fourth accommodating cavity area 24 are sequentially arranged from the direction close to the first accommodating cavity area 21 to the direction far away from the first accommodating cavity area 21; the aperture of the second accommodating cavity 22 is gradually reduced from the end connected with the third accommodating cavity area 23 to the end connected with the first accommodating cavity area 21, so that drainage liquid can conveniently and smoothly flow into the drainage tube joint, pathological tissues or other larger objects in the drainage liquid are prevented from depositing at the joint of the first accommodating cavity 21 or the second accommodating cavity 22 of the connecting piece 1 and the drainage tube joint and blocking the drainage tube joint, and the large aperture of the second accommodating cavity 21 of the connecting piece 1 is equal to the small inner diameter of the drainage tube joint; the shape and size of the third accommodating cavity area 23 correspond to the shape and size of the multi-section short circular tube 8 of the drainage tube joint, and the inner wall of the fourth accommodating cavity area 24 is provided with a first internal thread 241; be equipped with the second internal thread 211 corresponding with the terminal external screw thread of central venous catheter on the first holding cavity 21 inner wall of connecting piece 1, connecting piece 1 passes through second internal thread 211 and connects central venous catheter end, and threaded connection fits the terminal design of central venous catheter, and firm in connection is sealed tight, and convenient follow-up dismantlement is changed simultaneously.

The fixed part 3 is used for fixing the connecting piece 1, the fixed part 3 includes a left fixed part 31 and a right fixed part 32, the connecting surface of the left fixed part 31 and the right fixed part 32 is provided with a corresponding connecting groove 311 and a corresponding connecting rod 321, the left fixed part 31 and the right fixed part 32 form a fixed part 3 body through the connecting groove 311 and the connecting rod 321, and in order to make the connection between the left fixed part 31 and the right fixed part 32 more tight, the contact surface between the connecting rod 321 and the connecting groove 311 is a rough surface; in order to increase the stability of further connecting the left fixing piece 31 and the right fixing piece 32 together and to ensure that the connection is more stable, a buckle 33 which is matched with each other is also arranged at the connecting part of the left fixing piece 31 and the right fixing piece 32; a positioning cavity is arranged in the fixing piece 3 body and divided into 3 regions, a first positioning cavity region 41 is defined and connected with the connecting piece 1, and a second positioning cavity region 42 and a third positioning cavity region 43 are sequentially arranged from the direction close to the first positioning cavity region 41 to the direction far away from the first positioning cavity region 41; the shape and size of the first positioning cavity area 41 correspond to the shape and size of the long circular tube 7 of the drainage tube connector, the shape and size of the second positioning cavity area 42 correspond to the shape and size of the cap ring 8 of the drainage tube connector, and the aperture of the third positioning cavity area 43 is smaller than that of the second positioning cavity area 42; the outer wall of the first positioning cavity area 41 is provided with a first external thread 411 corresponding to the first internal thread 241, and the connecting piece 1 and the fixing piece 3 are connected together through the first internal thread 241 and the first external thread 411.

When in use, the screw thread 211 arranged in the first accommodating cavity 21 of the connecting piece 1 is connected with the tail end of the central venous catheter, then the left fixing piece 31 and the right fixing piece 32 are respectively arranged at two sides of the cap ring 6 of the drainage tube joint, the left fixing piece 31 and the right fixing piece 32 are connected and sleeved on the cap ring 6 through the arranged connecting rod 321 and the connecting groove 311, and then the left fixing piece 31 and the right fixing piece 32 are reinforced through the buckle 33; finally, the fixing piece 3 is connected with the connecting piece 1 through the first external thread 411 on the fixing piece 3 and the first internal thread 241 on the connecting piece 1, so that the communication between the central venous catheter and the drainage bag is realized.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides a pleural effusion drainage bag connecting device which characterized in that includes:

the fixed part comprises a left fixed part and a right fixed part, the connecting surface of the left fixed part and the right fixed part is provided with a corresponding connecting groove and a corresponding connecting rod, and the left fixed part and the right fixed part form a fixed part body through the connecting groove and the connecting rod; the fixing piece body is internally provided with a positioning cavity which is divided into 3 regions, the region connected with the connecting piece is defined as a first positioning cavity region, and a second positioning cavity region and a third positioning cavity region are sequentially arranged from the direction close to the first positioning cavity region to the direction far away from the first positioning cavity region; the shape and size of the first positioning cavity area correspond to the shape and size of the long circular tube of the drainage tube connector, the shape and size of the second positioning cavity area correspond to the shape and size of the cap ring of the drainage tube connector, and the aperture of the third positioning cavity area is smaller than that of the second positioning cavity area; and a first external thread corresponding to the first internal thread is arranged on the outer wall of the first positioning cavity area.

2. The pleural effusion drainage bag attachment device of claim 1, wherein the surfaces of the connecting bar and the connecting groove that contact are rough surfaces.

3. The pleural effusion drainage bag connecting device of claim 1, wherein the left fastener and the right fastener are provided with a snap fit at the connection point.

4. The pleural effusion drainage bag connecting device of claim 1, wherein the connecting piece is provided with a second internal thread on the inner wall of the first receiving cavity corresponding to the external thread at the end of the central venous catheter, and the connecting piece is connected with the end of the central venous catheter through the second internal thread.

5. The pleural effusion drainage bag connecting device of claim 1, wherein the side wall of the fixing member and the outer wall of the fourth accommodating cavity of the connecting member are provided with anti-slip threads, and the anti-slip threads are respectively arranged along the axial direction of the fixing member and the connecting member.

6. The pleural effusion drainage bag connection device of claim 1, wherein the second receiving cavity of the connector has a large to large inner diameter equal to the small to small inner diameter of the drainage tube connector.