CN207871196U - Disposable thoracic duction instrument - Google Patents

Abstract

The utility model discloses a disposable chest drainage device, which comprises a first drainage tube and a second drainage tube. Air bag, hose, one-way valve and negative pressure device are arranged on one side of the first drainage tube, and an isolation layer is arranged in the middle of the inner side of the first drainage tube. The isolation layer separates the first drainage tube into a drainage area and an injection area. The first drainage tube The end of the injection area is provided with a suction nozzle, and the side of the end of the injection area close to the second drainage tube is in sealing connection with the injection hose, and the injection hose is provided with a choke clip. The overall sealing performance is good, and the pipeline structure is set reasonably, which solves the problem that the drainage tube is easy to block. The gas and liquid are treated separately to achieve a better drainage effect. At the same time, the liquid in the drainage bottle can be drained through the setting of the bottom drain valve. and gas venting or sampling for testing.

Description

Disposable chest drainage device

technical field

The utility model belongs to the technical field of medical devices, in particular to a disposable chest drainage device.

Background technique

At present, thoracic drainage is a commonly used treatment method in the field of thoracic surgery. During the treatment, the gas and liquid in the patient's thoracic cavity need to be discharged in time; the existing medical technology is aimed at the pain of the patient, the safety of the treatment by the medical staff and the convenience of operation. However, there are still the following defects: (1) Drainage and drug injection are carried out through the same drainage tube: since the drainage tube is used to suck out the waste fluid and gas in the chest cavity, a large amount of fluid will remain on the inner wall If the same tube is still used for injection, it will cause infection and reduce the safety of treatment; (3) The device is prone to blockage: due to the large number of waste objects with large particles in the process of absorbing waste liquid, it is very difficult to It is easy to block the drainage tube, which is extremely inconvenient to use; (3) Easy to infection: Infection is one of the biggest problems in the drainage process, and the general equipment does not pay attention to the hidden danger of infection during the process, and the common containers carried after drainage are all If the drainage time is too long, it will be full and cannot be used continuously; (4) The gas and liquid cannot be treated separately: the existing drainage devices are finally introduced into the same drainage bottle, so that the gas and liquid cannot be treated separately, and The end is easy to block and cannot separate gas and liquid well.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a disposable chest drainage device with good overall sealing performance and reasonable pipeline structure, which solves the problem that the drainage tube is easy to be blocked, and treats the gas and liquid separately , to achieve a better drainage effect.

The purpose of this utility model is achieved in the following manner:

The disposable chest drainage device includes a first drainage tube and a second drainage tube, the first drainage tube and the second drainage tube are connected by threads, and the second drainage tube is provided with a Air bag, hose, one-way valve and negative pressure device. An isolation layer is provided in the middle of the first drainage tube. The isolation layer separates the first drainage tube into a drainage area and an injection area. The end of the first drainage tube is provided with a suction nozzle. , the side of the end of the injection area close to the second drainage tube is sealingly connected with the injection hose, and the injection hose is provided with a choke clip; the negative pressure device includes a self-priming booster pump and a flow regulator; the second drainage tube is far away from the first One end of the first drainage tube is connected with the drainage liquid filling bottle, and a gas-liquid separator is arranged between the second drainage tube and the drainage liquid filling bottle, and the gas-liquid separator communicates with the drainage liquid filling bottle through the liquid inlet pipe and the air inlet pipe respectively; The inside of the liquid bottle is fixed with a middle partition, which divides the drainage liquid bottle into a liquid storage area and a gas storage area. The mouth of the drainage liquid bottle is provided with a sealing end cap, and the liquid inlet pipe and the air inlet pipe are both arranged in the On the sealing end cover, and the liquid inlet pipe is connected with the liquid storage area, the air inlet pipe is connected with the gas storage area, the bottom end of the air inlet pipe is provided with a check valve, the bottom of the bottle in the liquid storage area is provided with a liquid discharge valve, and the gas storage area is provided with a discharge valve. There is an exhaust valve at the bottom of the bottle.

The liquid storage area is provided with a liquid storage area partition inside, and the liquid storage area partition divides the liquid storage area into a liquid storage area and a liquid discharge area, and a liquid diversion hole is arranged on the liquid storage area partition, and the inside of the liquid storage area A liquid level sensor is provided, a pressure sensor is provided in the gas storage area, a data display screen and a controller are provided outside the drainage liquid container, and the data display screen, pressure sensor, liquid level sensor and negative pressure device are all electrically connected to the controller.

A buffer plate is arranged inside the storage area of the liquid storage area, and drainage holes are opened on the buffer plate

A sealing ring is arranged between the liquid inlet pipe, the air inlet pipe and the sealing end cover.

The suction nozzle is in the shape of a bell mouth.

The second drainage tube is covered with an anti-infection cover, and an anti-bacterial cotton layer is arranged inside the anti-infection cover.

The flattened width of the isolation layer in the first drainage tube is greater than the distance between the two sides of the isolation layer fixed in the first drainage tube.

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

(1) A hose is installed between the first drainage tube and the second drainage tube of the chest drainage device to prevent the movement of the external instrument from shaking the first drainage tube inserted into the human body and avoiding pain in the human body; The airbag on the top can effectively prevent the device from clogging, and the structure is reasonable; the first drainage tube is divided into a drainage area and an injection area, which separates the two, prevents the waste solution from causing human infection, and ensures the safety of medical treatment.

(2) The width of the isolation layer in the first drainage tube after being flattened is greater than the distance between the two sides of the isolation layer fixed in the drainage tube A. When the drainage area is drained, the isolation layer protrudes to the injection area. When the injection area is injected During drainage, the isolation layer protrudes to the drainage area to prevent the pores from being too small, inconvenient operation or blockage; at the same time, due to the function of the choke clip, no liquid will enter the injection area during drainage.

(3) The first drainage tube and the second drainage tube are connected by threads, so that the device can be disassembled and replaced according to the usage conditions, ensuring cleanliness and safety in the medical care process.

(4) The chest drainage device of the present utility model can be used all the time, avoids accumulation, automatically discharges drainage liquid and gas, and is a chest drainage device with high disinfection performance

(5) The overall sealing performance is good, and the pipeline structure is set reasonably, which solves the problem that the drainage tube is easy to be blocked. The gas and liquid are treated separately to achieve a better drainage effect. At the same time, the drainage bottle can be drained by setting the bottom drain valve. The liquid and gas inside are vented or sampled for testing.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the structure of the first drainage tube of the present invention when drainage is performed.

Fig. 3 is a schematic diagram of the structure of the first drainage tube of the present invention during injection.

Among them, 1 is the first drainage tube; 2 is the second drainage tube; 3 is the air bag; 4 is the hose; 5 is the one-way valve; 6 is the negative pressure device; 7 is the drainage liquid bottle; 8 is the isolation layer; 9 10 is the injection area; 11 is the suction nozzle; 12 is the injection hose; 13 is the choke clip; 14 is the self-priming booster pump; 15 is the flow regulator; 16 is the gas-liquid separator; Liquid pipe; 18 is an intake pipe; 19 is a middle partition; 20 is a liquid storage area; 201 is a liquid storage area; 202 is a liquid discharge area; 21 is a gas storage area; 22 is a sealing end cover; 23 is a sealing ring; 24 25 is a liquid discharge valve; 26 is an exhaust valve; 27 is a liquid storage area partition; 28 is a liquid diversion hole; 29 is a pressure sensor; 30 is a data display screen; 31 is a controller; 32 is Liquid level sensor; 33 is a buffer plate.

Detailed ways

As shown in the accompanying drawings, the disposable chest drainage device includes a first drainage tube 1 and a second drainage tube 2, and the first drainage tube 1 and the second drainage tube 2 are connected by threads, and the second drainage tube 2 is connected from close to One side of the first drainage tube 1 is provided with an air bag 3, a flexible pipe 4, a one-way valve 5 and a negative pressure device 6, and the middle part of the first drainage tube 1 is provided with an isolation layer 8, and the isolation layer 8 separates the first drainage tube. 1 is divided into a drainage area 9 and an injection area 10, the end of the first drainage tube 1 is provided with a suction nozzle 11, and the side of the end of the injection area 10 close to the second drainage tube 2 is in sealing connection with the injection hose 12, and the injection hose 12 is provided with a choke clip 13; the negative pressure device 6 includes a self-priming booster pump 14 and a flow regulator 15, and the self-priming booster pump 14 changes the flow rate of drainage through the control of the flow regulator 15; the second drainage tube 2 is away from One end of the first drainage pipe 1 is connected with the drainage liquid bottle 7, and a gas-liquid separator 16 is arranged between the second drainage pipe 2 and the drainage liquid bottle 7, and the gas-liquid separator 16 passes through the liquid inlet pipe 17 and the air inlet pipe respectively. 18 communicates with the drainage liquid containing bottle 7; the inside of the drainage liquid containing bottle 7 is fixedly provided with a middle partition 19, and the middle partition 19 divides the drainage liquid containing bottle 7 into a liquid storage area 20 and a gas storage area 21, and the drainage liquid containing bottle 7 A sealing end cap 22 is arranged at the bottle mouth, and the liquid inlet pipe 17 and the air inlet pipe 18 are all arranged on the sealing end cap 22, and the liquid inlet pipe 17 communicates with the liquid storage area 20, the air inlet pipe 18 communicates with the gas storage area 21, and the air inlet pipe The bottom of 18 is provided with a check valve 24 to prevent the backflow of gas. The bottom of the bottle in the liquid storage area 20 is provided with a drain valve 25, and the bottom of the bottle in the gas storage area 21 is provided with an exhaust valve 26.

The flattened width of the isolation layer 8 in the first drainage tube 1 is greater than the distance between the two sides of the isolation layer 8 fixed in the first drainage tube 1 .

The air bag 3 can effectively prevent the blockage of the drainage tube, the hose 4 can prevent the first drainage tube 1 extending into the human body from shaking due to the movement of the external instrument, and avoid the pain of the human body, and the one-way valve 5 prevents the backflow of pleural effusion and prevents germs re-infection.

The isolation layer 8 separates the first drainage tube 1 into a drainage area 9 and an injection area 10 to prevent the drainage fluid from infecting the human body again during the injection process and ensure medical safety. When the drainage area 9 performs drainage, the isolation layer 8 protrudes to the injection area 10. When the injection area 10 is injected, the isolation layer 8 protrudes to the drainage area 9 to prevent the pores from being too small, inconvenient to operate or clogged.

A liquid storage area partition 27 is arranged inside the liquid storage area 20, and the liquid storage area partition 27 divides the liquid storage area 20 into a liquid storage area 201 and a liquid discharge area 202, and the liquid storage area partition 27 is provided with a liquid guide hole 28. A liquid level sensor 32 is arranged in the liquid storage area 201, a pressure sensor 29 is arranged in the gas storage area 21, a data display screen 30 and a controller 31 are arranged outside the drainage liquid storage bottle 7, the data display screen 30, the pressure sensor 29 , the liquid level sensor 32 and the negative pressure device 6 are all electrically connected to the controller 31 .

A buffer plate 33 is arranged inside the storage area 20 of the liquid storage area 20 , and a drainage hole is opened on the buffer plate 33 to play the role of drainage and buffering.

Sealing rings 23 are arranged between the liquid inlet pipe 17 and the air inlet pipe 18 and the sealing end cover 22 to play a good sealing effect.

The suction nozzle 11 is in the shape of a bell mouth, which is convenient for absorbing the effusion.

The second drainage tube 2 is covered with an anti-infection cover, and an anti-bacterial cotton layer is arranged inside the anti-infection cover, which can effectively protect the wound from infection.

The working process of the utility model is as follows: the first drainage tube 1 is inserted into the position where the patient needs chest drainage, the controller 31 is turned on, the controller 31 controls the self-priming booster pump 14 to work, and the suction nozzle 11 sucks the effusion After the liquid is sucked out by the suction nozzle 11 and passes through the first drainage tube 1 and the second drainage tube 2, the liquid and gas are separated by the gas-liquid separator 16, and the liquid enters the liquid storage in the liquid storage area 20 through the liquid inlet pipe 17 Area 201, the gas enters the gas storage area 21 through the intake pipe 18, the liquid level sensor 28 in the liquid storage area 201 monitors the liquid level in real time, and transmits the information to the controller 31, the pressure in the gas storage area 21 The sensor 29 monitors the gas pressure in real time, and transmits the information to the controller 31. When the liquid level in the liquid storage area 201 reaches the height of the liquid guide hole 28, the liquid in the liquid storage area 201 will pass through the liquid guide hole. The orifice 28 enters the liquid discharge area 202 and is discharged by the liquid discharge valve 25; when the pressure in the gas storage area 21 exceeds the set value, the controller 31 will alarm to remind the medical staff that the gas in the gas storage area 21 needs to be discharged The display screen 30 will display the data information of the pressure sensor 29, the liquid level sensor 28 and the negative pressure device 6, which is convenient for the medical staff to make the next step of judgment.

The above is only the preferred embodiment of the utility model, it should be pointed out that for those skilled in the art, without departing from the overall concept of the utility model, some changes and improvements can also be made, and these should also be regarded as Protection scope of the present utility model.

Claims (7)

1. disposable thoracic duction instrument, it is characterised in that：Including the first drainage tube（1）With the second drainage tube（2）, first Drainage tube（1）With the second drainage tube（2）Between be connected through a screw thread, the second drainage tube（2）From close to the first drainage tube（1）One The side last time is provided with air bag（3）, hose（4）, check valve（5）And negative pressure device（6）, the first drainage tube（1）Middle inside is set It is equipped with separation layer（8）, separation layer（8）By the first drainage tube（1）It is divided into drainage area（9）The injection zone and（10）, the first drainage tube （1）End set have suction nozzle（11）, injection zone（10）End is close to the second drainage tube（2）Side and injection hose（12）It is close Envelope connection, injection hose（12）On be provided with choked flow folder（13）；Negative pressure device（6）Including spontaneous imbibition booster pump（14）And flow-rate adjustment Device（15）；Second drainage tube（2）Far from the first drainage tube（1）One end and drainage-fluid collecting bottle（7）Connection, the second drainage tube （2）With drainage-fluid collecting bottle（7）Between be provided with gas-liquid separator（16）, gas-liquid separator（16）Pass through inlet tube respectively（17） And air inlet pipe（18）With drainage-fluid collecting bottle（7）Connection；Drainage-fluid collecting bottle（7）Inside is fixedly installed intermediate bulkhead（19）, Intermediate bulkhead（19）By drainage-fluid collecting bottle（7）It is divided into liquid storage area（20）With gas storage area（21）, drainage-fluid splendid attire Bottle（7）End cover is arranged in bottle mouth position（22）, inlet tube（17）And air inlet pipe（18）It is arranged at end cover（22）On, and into Liquid pipe（17）With liquid storage area（20）Connection, air inlet pipe（18）With gas storage area（21）Connection, air inlet pipe（18）Bottom end It is provided with check-valves（24）, liquid storage area（20）Bottom of bottle be provided with tapping valve（25）, gas storage area（21）Bottom of bottle set It is equipped with air bleeding valve（26）.

2. disposable thoracic duction instrument according to claim 1, it is characterised in that：The liquid storage area（20） It is internally provided with liquid storage area partition board（27）, liquid storage area partition board（27）By liquid storage area（20）It is divided into liquid storage area （201）The drainage region and（202）, liquid storage area partition board（27）On be provided with liquid guide flow hole（28）, liquid storage area（201）Interior setting There is liquid level sensor（32）, gas storage area（21）Inside it is provided with pressure sensor（29）, drainage-fluid collecting bottle（7）It is provided with outside Data display screen（30）And controller（31）, data display screen（30）, pressure sensor（29）, liquid level sensor（32）And negative pressure Device（6）And controller（31）Electrical connection.

3. disposable thoracic duction instrument according to claim 1, it is characterised in that：The liquid storage area（20） Storage area（20）It is internally provided with buffer board（33）, buffer board（33）On offer conduction hole.

4. disposable thoracic duction instrument according to claim 1, it is characterised in that：The inlet tube（17）With into Tracheae（18）With end cover（22）Between be both provided with sealing ring（23）.

5. disposable thoracic duction instrument according to claim 1, it is characterised in that：The suction nozzle（11）In loudspeaker Mouth shape.

6. disposable thoracic duction instrument according to claim 1, it is characterised in that：Second drainage tube（2） It is set with anti-infection cover outside, fungi-proofing cotton layer is provided in anti-infection cover.

7. disposable thoracic duction instrument according to claim 1, it is characterised in that：First drainage tube（1） Interior separation layer（8）Width after evening up is more than separation layer（8）It is fixed on the first drainage tube（1）The distance between interior both sides.