CN215023285U

CN215023285U - Novel closed negative pressure drainage device

Info

Publication number: CN215023285U
Application number: CN202120622172.8U
Authority: CN
Inventors: 邹贵骞; 刘榕; 邹沁民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-28
Filing date: 2021-03-28
Publication date: 2021-12-07
Anticipated expiration: 2031-03-28

Abstract

The utility model discloses a novel closed negative pressure drainage device, a first valve port of a three-way valve is connected with the tail end of a negative pressure drainage ball, a second valve port is connected with a drainage bag, a third valve port is connected with a central negative pressure device, the head end of the negative pressure drainage ball is communicated with the rear end of a drainage tube, a drainage tube fixing ring is fixed on the outer wall of the drainage tube along the circumferential direction, a three-way tube and a valve are arranged on the drainage tube, the valve is positioned between the three-way tube and the negative pressure drainage ball, a first port and a second port of the three-way tube are coaxially arranged with the drainage tube, a third port is connected with a flushing device, a flushing tube is arranged in the drainage tube, the rear end of the flushing tube is inserted into the flushing device through the first side hole and the third port of the three-way tube, the front end of the flushing tube extends out of the front end of the drainage tube, a first side hole is arranged on the front end wall of the flushing tube, a second side hole is arranged on the front end wall of the drainage tube, a plurality of petal type tubes are arranged along the circumferential direction, the front end of the drainage tube is connected with a metal puncture needle, and the front end of the flushing tube is arranged inside the rear end of the metal puncture needle.

Description

Novel closed negative pressure drainage device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel closed negative pressure drainage device.

Background

With the development of medical technology, incision drainage tubes are widely applied in clinical operations, but the problems of poor tightness, drainage tube falling, negative pressure failure, backflow, incapability of washing postoperative wounds and the like frequently occur in the current clinical drainage tubes, the poor tightness and the backflow are one of common factors causing postoperative infection, the drainage tubes are not firmly fixed, the drainage tubes are easy to fall off, the drainage failure is caused, the postoperative wounds bleed to form hematoma, joint cavity suppuration and the like, factors such as washing or directly washing with antibiotics after the operation cannot be given to the indwelling drainage tubes, and the patients need to be subjected to secondary operations and even multiple times of operation treatment. Meanwhile, the negative pressure ball is often improperly discharged, so that blood or body fluid of a patient splashes, and medical staff is infected, and the like, so that most of the current incision drainage tubes cannot meet the clinical work requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel closed negative pressure drainage device aiming at the problems and the defects existing in the prior art.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

the utility model provides a novel closed negative pressure drainage device which is characterized in that the device comprises a drainage bag, a three-way valve, a negative pressure drainage ball, a drainage tube, a flushing tube, a three-way tube, a drainage tube fixing ring, a valve and a metal puncture needle;

the first valve port of the three-way valve is connected with the tail end of a negative pressure drainage ball, the second valve port is connected with a drainage bag, the third valve port is connected with a central negative pressure device, the head end of the negative pressure drainage ball is communicated with the rear end of a drainage tube, a drainage tube fixing ring is fixed on the outer wall of the drainage tube along the circumferential direction, a three-way tube and a valve are arranged on the drainage tube, the valve is positioned between the three-way tube and the negative pressure drainage ball, the first port and the second port of the three-way tube are coaxially arranged with the drainage tube, the third port is used for being connected with a flushing device, a flushing tube is arranged in the drainage tube, the rear end of the flushing tube penetrates through the first port and the third port of the three-way tube and is inserted into the flushing device, the front end of the flushing tube extends out of the front end of the drainage tube, the front end wall of the flushing tube is provided with a first side hole, the front end wall of the drainage tube is provided with a second side hole, the inner wall of the drainage tube is provided with a plurality of petal-shaped tubes arranged in parallel along the circumferential direction, the front end of the drainage tube is connected with a metal puncture needle, and the front end of the flushing tube is arranged in the rear end of the metal puncture needle.

Preferably, the negative pressure drainage ball is a silica gel negative pressure drainage ball.

Preferably, the front end of the irrigation tube is longer than the front end of the drainage tube by 5 cm.

Preferably, the drainage tube fixing ring is a silica gel drainage tube fixing ring.

Preferably, the drainage tube fixing ring is arranged at a position 15mm away from the foremost end of the drainage tube.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in:

the utility model discloses a drainage device is airtight to be set up, effectively reduces and communicates with each other with the external world, effectively prevents drainage liquid against the current, reduces the infection risk, utilizes the puncture of metal pjncture needle, reduces the tissue damage.

Drawings

Fig. 1 is a schematic structural view of the novel closed negative pressure drainage device according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of the novel closed negative pressure drainage device according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, 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 a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the present embodiment provides a novel closed negative pressure drainage device, which includes a drainage bag 1, a three-way valve 2, a negative pressure drainage ball 3, a drainage tube 4, a flushing tube 5, a three-way tube 6, a drainage tube fixing ring 7, a valve 11 and a metal puncture needle (not shown in the figure).

A first valve port of the three-way valve 2 is connected with the tail end of a negative pressure drainage ball 3, a second valve port is connected with a drainage bag 1, a third valve port is connected with a central negative pressure device (not shown in the figure), the head end of the negative pressure drainage ball 3 is communicated with the rear end of a drainage tube 4, a drainage tube fixing ring 7 is fixed on the outer wall of the drainage tube 4 along the circumferential direction, a three-way tube 6 and a valve 11 are arranged on the drainage tube 4, the valve 11 is positioned between the three-way tube 6 and the negative pressure drainage ball 3, a first port and a second port of the three-way tube 6 are coaxially arranged with the drainage tube 4, the third port is used for being connected with a flushing device (not shown in the figure), a flushing tube 5 is arranged in the drainage tube 4, the rear end of the flushing tube 5 is penetrated by the first port and the third port of the three-way tube 6 and is used for being inserted into the flushing device, the front end of the flushing tube 5 extends out of the front end of the drainage tube 4, a first side hole 8 is arranged on the front end wall of the flushing tube 5, a second side hole 9 is formed in the front end wall of the drainage tube 4, four petal-shaped tubes 10 which are arranged in parallel are arranged on the inner wall of the drainage tube 4 along the circumferential direction, a metal puncture needle is connected to the front end of the drainage tube 4, and the front end of the flushing tube 5 is arranged inside the rear end of the metal puncture needle.

Wherein, the drainage bag 1 is responsible for draining or discharging more drainage liquid.

The volume of the negative pressure drainage ball 2 can be designed into two specifications of 100ml and 200ml, the material is silica gel, and negative pressure can be formed after pressing.

The drainage tube fixing ring 7 is made of silicon rubber, has certain elasticity and is designed at a position 15mm away from the most front end of the drainage tube 4. After the indwelling drainage tube is in proper length, the drainage tube fixing ring is tightly attached to the skin and is fixed on the skin by silk thread sewing, and the front end of the drainage tube is long, so that an operator can cut the drainage tube according to actual requirements.

The flushing pipe 5 is designed in the drainage pipe 4, the front end of the flushing pipe is reserved in the rear part of the metal puncture needle, the flushing pipe is 5cm longer than the drainage pipe after the metal puncture needle is removed, the front end pipe wall is designed with a first side hole 8, and an operator can cut according to the specific conditions in the operation and reserve a proper length. The flushing pipe can be connected with normal saline or antibiotic liquid for flushing or irrigating after the operation wound.

The most front end of the drainage tube 4 is connected with a metal puncture needle, the large blood vessel and the nerve of the human body are avoided, the metal puncture needle is used for puncturing the skin and the subcutaneous tissue at a proper position away from the operation incision, and the preset position of the incision drainage tube is reserved at the operation incision (the drainage tube has the advantages that the damage to the human body tissue is reduced as much as possible, and the drainage tube opening and the skin tissue are kept closed). The metal puncture needle can be pulled out after the drainage tube 4 is placed at a preset position, and a second side hole 9 is designed on the wall of the front end of the drainage tube 4, so that drainage is facilitated.

The inner wall of the drainage tube 4 is provided with four petal-shaped tubes 10 which play a role of blocking soft tissues and preventing the drainage tube from being blocked.

The metal puncture needle is a product sold in the market at present, the central negative pressure device is an existing device, and the flushing device is a device bearing normal saline or antibiotic liquid and is an existing device.

During the use, the metal pjncture needle punctures, keep somewhere incision drainage tube preset position to the operation incision, the metal pjncture needle is extracted to drainage tube 4 after placing preset position, drainage tube 4 solid fixed ring hugs closely the skin, and sew up with the silk thread and fix on the skin, valve 11 is opened, the drainage position of internal or the surface of a wound is inserted to the front end of drainage tube 4, the other end is in vitro through the negative pressure suction to the external drainage, be used for with patient's hydrops, the exudate is to the external drainage, patient's hydrops, the exudate flows into in drainage tube 4, flow through in three-way pipe 6 behind the negative pressure drainage ball 3, the passageway between the first mouthful and the second mouth of three-way valve 2 is closed this moment, the central negative pressure device is connected for negative pressure drainage ball 3 provides the negative pressure to the third mouth. After the effusion and the effusion of the patient in the negative pressure drainage ball 3 reach a certain amount, the channel between the first port and the third port of the three-way valve 2 is closed, and the effusion of the patient in the negative pressure drainage ball 3 flow into the drainage bag 1.

In the drainage process, the valve 11 is closed, the channel between the drainage tube 4 and the negative pressure drainage ball 3 is closed, the flushing device is opened, the normal saline or the antibiotic liquid in the flushing device flows into the flushing tube 5, and the operation wound is flushed after operation.

Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A novel closed negative pressure drainage device is characterized by comprising a drainage bag, a three-way valve, a negative pressure drainage ball, a drainage tube, a flushing tube, a three-way pipe, a drainage tube fixing ring, a valve and a metal puncture needle;

2. The novel closed negative pressure drainage device as claimed in claim 1, wherein the negative pressure drainage ball is a silica gel negative pressure drainage ball.

3. The novel closed negative pressure drainage device as claimed in claim 1, wherein the front end of the flushing pipe is longer than the front end of the drainage pipe by 5 cm.

4. The novel closed negative pressure drainage device as claimed in claim 1, wherein the drainage tube fixing ring is a silica gel drainage tube fixing ring.

5. The novel closed negative pressure drainage device as claimed in claim 1, wherein the drainage tube fixing ring is disposed at a distance of 15mm from the foremost end of the drainage tube.