CN218792439U

CN218792439U - Thoracentesis drainage device

Info

Publication number: CN218792439U
Application number: CN202222162007.6U
Authority: CN
Inventors: 鲁静; 王振华; 张静; 陈佩瑶; 王丽娇; 王倩; 陈璐
Original assignee: 6th Medical Center of PLA General Hospital
Current assignee: 6th Medical Center of PLA General Hospital
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-04-07
Anticipated expiration: 2032-08-17

Abstract

The utility model relates to the technical field of medical instruments, in particular to a thoracocentesis drainage device, which comprises a drainage tube, wherein one end of the drainage tube is connected with a drainage bottle, and the other end of the drainage tube is detachably provided with a puncture assembly; the puncture assembly comprises a handle shell sleeved outside the drainage tube, a puncture needle is integrally formed at one end of the drainage bottle and is located on the handle shell and is far away from the drainage tube, the puncture needle wraps the drainage tube, and the handle shell and the puncture needle are detachably connected with the drainage tube respectively. By adopting the technical scheme, non-medical personnel can also operate the device to complete the indwelling of the closed thoracic drainage tube, so that the device is suitable for field first aid and saves time for field emergency treatment.

Description

Thoracentesis drainage device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a thoracentesis drainage device.

Background

Chest trauma is a common type of war injury, and has a high incidence, severe injury and high fatality rate, and about 25% of battlefield deaths are directly caused by chest trauma, and are second only to craniocerebral trauma. The incidence of the hemopneumothorax in the wounded with the chest trauma is as high as 97.6 percent, once the traumatic hemopneumothorax happens, the wounded needs to be treated immediately, otherwise the physiological dysfunction of important organs such as breathing and circulation of the wounded can be caused or aggravated, and the wounded is easy to die if the treatment is improper or untimely.

Closed thoracic drainage is the most common operation in the treatment of thoracic trauma, can quickly recover negative pressure in the thoracic cavity and remove hematocele, is a main method for treating war wound pneumothorax, and data show that about 85% of patients with traumatic pneumothorax can be cured by closed thoracic drainage. However, the current drainage device has large volume and complex operation, needs to be implemented in a first-line hospital in a battlefield, is not suitable for on-site first aid and possibly delays the best time for treatment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a thoracentesis drainage device, small, simple to use, non-medical staff also can accomplish keeping of thorax closed drainage tube through operating the device, is applicable to open-air on-the-spot first aid, saves time for open-air urgent treatment.

(II) technical scheme

In order to achieve the purpose, the embodiment of the application provides a thoracocentesis drainage device which comprises a drainage tube, wherein one end of the drainage tube is connected with a drainage bottle, and the other end of the drainage tube is detachably provided with a puncture assembly; the puncture assembly comprises a handle shell sleeved outside the drainage tube, a puncture needle is integrally formed at one end of the drainage bottle and is located on the handle shell and is far away from the drainage tube, the puncture needle wraps the drainage tube, and the handle shell and the puncture needle are detachably connected with the drainage tube respectively.

Preferably, a dressing is provided on the drain tube and inside the handle housing.

Preferably, the handle housing comprises a first half shell and a second half shell, the first half shell and the second half shell embrace the drainage tube, the outer sides of the first half shell and the second half shell are provided with a sealing ring, the sealing ring is connected with the first half shell and the second half shell through a sealing line, and the sealing ring can be separated from the first half shell and the second half shell through the sealing line; the puncture needle comprises a first puncture body and a second puncture body, wherein the first puncture body is connected with the first half shell, and the second puncture body is connected with the second half shell.

Preferably, one end of the drainage tube, which is far away from the drainage bottle, is provided with drainage holes at intervals.

Preferably, the drainage bottle comprises a bottle body, a connecting pipe is arranged at the upper end of the bottle body, and the connecting pipe is connected with the drainage tube; a drainage groove is arranged on the inner side of the bottle body and below the connecting pipe and the bottle body connecting port, and the capacity of the drainage groove is 50ml; a connecting port is formed in the upper side of the bottle body, and a gas plug is arranged at the connecting port; the bottom of the bottle body is provided with a liquid discharge pipe, and the liquid discharge pipe is provided with a control switch.

Preferably, a partition board is integrally formed on the inner side of the bottle body, the partition board partitions the inner side of the bottle body into a solution cavity and a negative pressure cavity, and the drainage groove, the connection port and the liquid discharge pipe are respectively positioned on the solution cavity; a negative pressure hole is formed on the upper side of the partition plate, and the solution cavity is communicated with the negative pressure cavity through the negative pressure hole; and a negative pressure assembly is arranged in the negative pressure cavity and can provide negative pressure for the negative pressure cavity.

Preferably, the negative pressure assembly comprises an operating rod, the operating rod is in threaded connection with the bottle body, one end of the operating rod is positioned outside the bottle body, the other end of the operating rod is positioned in the negative pressure cavity, a piston is arranged at one end of the operating rod positioned in the negative pressure cavity, and the edge of the piston is in contact with the inner wall of the negative pressure cavity; and a handle is arranged at one end of the operating rod, which is positioned outside the bottle body.

Preferably, the puncture needle is 5cm in length.

(III) advantageous effects

The utility model provides a thoracentesis drainage device, which has small volume, simple use and convenient fixation, non-medical personnel can also operate the device to complete the retention of a closed thoracic drainage tube, which is suitable for field first aid, saves time for the emergency treatment of wounded in field operations, and can complete the operation within 2 minutes for mutual rescue; the self-rescue can be completed within 5 minutes. The puncture needle is limited by the lock ring, the puncture needle can be easily removed after puncture, the inside of the handle is ensured to be in an aseptic state, and discomfort of an injured person caused by repeated puncture and pulling is avoided.

Drawings

FIG. 1 is a schematic structural view of a thoracocentesis drainage device of the present invention;

FIG. 2 is a schematic view of a protruding puncture assembly in a thoracentesis drainage device of the present invention;

FIG. 3 is a schematic view of a protruded drainage tube in the thoracentesis drainage device of the present invention;

fig. 4 is a schematic view of the protruded drainage bottle in the thoracocentesis drainage device of the utility model.

In the drawings, the reference numbers:

100. a drainage tube; 110. a drainage hole; 200. a drainage bottle; 210. a bottle body; 211. a connecting pipe; 212. a drainage groove; 213. a connecting port; 214. a gas plug; 215. a liquid discharge pipe; 216. a control switch; 220. a partition plate; 221. a negative pressure hole; 230. a solution chamber; 240. a negative pressure cavity; 250. a negative pressure assembly; 251. an operating lever; 252. a piston; 253. a handle; 300. a puncture assembly; 310. a handle housing; 311. a first housing half; 312. a second half-shell; 320. puncturing needle; 321. a first piercing body; 322. a second piercing body; 330. a dressing; 340. and (6) sealing and locking the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

The utility model provides a thoracentesis drainage device, which is shown in the figures 1-4 and comprises a drainage tube 100, wherein one end of the drainage tube 100 is connected with a drainage bottle 200, and the other end is detachably provided with a puncture assembly 300; in use, the drainage tube 100 is delivered to the inside of the thoracic cavity through the puncture assembly 300, and then the puncture assembly 300 is taken out, leaving the drainage tube 100 for drainage work.

The puncture assembly 300 comprises a handle shell 310 sleeved outside the drainage tube 100, a puncture needle 320 is integrally formed on the handle shell 310 and located at one end far away from the drainage bottle 200, the puncture needle 320 wraps the drainage tube 100, and the handle shell 310 and the puncture needle 320 are detachably connected with the drainage tube 100 respectively. A dressing 330 is positioned on the drain 100 and inside the handle housing 310.

Specifically, the handle housing 310 comprises a first half-shell 311 and a second half-shell 312, the length direction of the first half-shell 311 and the second half-shell 312 is parallel to the length direction of the drainage tube 100, the first half-shell 311 and the second half-shell 312 embrace the drainage tube 100, a sealing ring 340 is arranged on the outer side of the first half-shell 311 and the second half-shell 312, the sealing ring 340 is connected with the first half-shell 311 and the second half-shell 312 through a sealing line, and the sealing ring 340 can be separated from the first half-shell 311 and the second half-shell 312 through the sealing line. In particular, the tear-off line above refers to the connection point between the locking ring 340 and the first half-shell 311 or the second half-shell 312, which is shaped as a dashed line.

The puncture needle 320 comprises a first puncture body 321 and a second puncture body 322, the first puncture body 321 is connected with the first half-shell 311, and the second puncture body 322 is connected with the second half-shell 312. The puncture needle 320 is shaped as a tip to be beveled at an end remote from the handle housing 310 and can be punctured into the interior of the thoracic cavity. The material can be metal, and the puncture needle length is 5cm. The 5cm puncture needle prevents non-medical staff from puncturing the lung too deeply.

The end of drain tube 100 remote from bottle 200 is provided with drainage holes 110 at intervals. When the puncture needle 320 is taken out from the outside after entering the thoracic cavity, the liquid and gas inside the thoracic cavity can be drained through the drainage hole 110.

The drainage bottle 200 comprises a bottle body 210, the upper end of the bottle body 210 is provided with a connecting pipe 211, and the connecting pipe 211 is connected with the drainage tube 100; a drainage groove 212 is formed in the inner side of the bottle body 210 and below the connecting port 213 between the connecting tube 211 and the bottle body 210, and the volume of the drainage groove 212 is 50ml; in the drainage process, after the liquid enters the bottle body 210, the liquid firstly enters the drainage groove 212, whether the drainage liquid is less than 50ml can be observed, and the drainage tube 100 can be pulled out when the drainage liquid is less than 50 ml. The drainage groove 212 may serve to observe the amount of drainage fluid.

A connecting port 213 is arranged at the upper side of the bottle body 210, and a gas plug 214 is arranged at the connecting port 213; the bottom of the bottle body 210 is provided with a liquid discharge pipe 215, and the liquid discharge pipe 215 is provided with a control switch 216.

A partition plate 220 is integrally formed at the inner side of the bottle body 210, the partition plate 220 partitions the inner side of the bottle body 210 to form a solution chamber 230 and a negative pressure cavity 240, and the drainage groove 212, the connection port 213 and the drainage tube 215 are respectively positioned on the solution chamber 230; a negative pressure hole 221 is formed at the upper side of the partition plate 220, and the solution chamber 230 and the negative pressure cavity 240 are communicated through the negative pressure hole 221; a negative pressure assembly 250 is disposed in the negative pressure cavity 240, and the negative pressure assembly 250 can provide negative pressure to the negative pressure cavity 240.

The negative pressure assembly 250 comprises an operating rod 251, the operating rod 251 is connected to the bottle body 210 in a threaded manner, one end of the operating rod 251 is located outside the bottle body 210, the other end of the operating rod 251 is located in the negative pressure cavity 240, a piston 252 is arranged at one end of the operating rod 251 located in the negative pressure cavity 240, and the edge of the piston 252 is in contact with the inner wall of the negative pressure cavity 240; the end of the operating rod 251 located outside the bottle body 210 is provided with a handle 253. In operation, the negative pressure assembly 250 can provide a negative pressure environment to the inner side of the solution chamber 230, so as to suck out the gas in the thoracic cavity at a constant speed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, and connected to each other inside two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A thoracentesis drainage device is characterized by comprising a drainage tube (100), wherein one end of the drainage tube (100) is connected with a drainage bottle (200), and the other end is detachably provided with a puncture assembly (300);

puncture subassembly (300) including cup joint in handle shell (310) in drainage tube (100) outside, on handle shell (310) and be located and keep away from the one end integrated into one piece of drainage bottle (200) has pjncture needle (320), pjncture needle (320) parcel drainage tube (100), just handle shell (310) with pjncture needle (320) respectively with drainage tube (100) can dismantle the connection.

2. The thoracentesis drainage device of claim 1, wherein a dressing (330) is placed on the drainage tube (100) inside the handle housing (310).

3. The thoracocentesis drainage device according to claim 1, characterized in that the handle housing (310) comprises a first half shell (311) and a second half shell (312), the first half shell (311) and the second half shell (312) embrace the drainage tube (100), a sealing ring (340) is arranged on the outer sides of the first half shell (311) and the second half shell (312), the sealing ring (340) is connected with the first half shell (311) and the second half shell (312) through a sealing line, and the sealing ring (340) can be separated from the first half shell (311) and the second half shell (312) through the sealing line;

the puncture needle (320) comprises a first puncture body (321) and a second puncture body (322),

the first puncture body (321) is connected with the first half-shell (311), and the second puncture body (322) is connected with the second half-shell (312).

4. The thoracentesis drainage device according to claim 1, characterized in that the drainage tube (100) is provided with drainage holes (110) at intervals at one end far away from the drainage bottle (200).

5. The thoracocentesis drainage device according to claim 1, wherein the drainage bottle (200) comprises a bottle body (210), a connecting pipe (211) is arranged at the upper end of the bottle body (210), and the connecting pipe (211) is connected with the drainage tube (100);

a drainage groove (212) is formed in the inner side of the bottle body (210) and below a connecting port (213) of the connecting pipe (211) and the bottle body (210), and the capacity of the drainage groove (212) is 50ml; a connecting port (213) is arranged on the upper side of the bottle body (210), and a gas plug (214) is arranged at the connecting port (213); a liquid discharge pipe (215) is arranged at the bottom of the bottle body (210), and a control switch (216) is arranged on the liquid discharge pipe (215).

6. The thoracentesis drainage device according to claim 5, wherein a partition plate (220) is integrally formed inside the bottle body (210), the partition plate (220) divides the inside of the bottle body (210) to form a solution cavity (230) and a negative pressure cavity (240), and the drainage groove (212), the connection port (213) and the drainage tube (215) are respectively positioned on the solution cavity (230);

a negative pressure hole (221) is formed on the upper side of the partition plate (220), and the solution cavity (230) is communicated with the negative pressure cavity (240) through the negative pressure hole (221);

a negative pressure assembly (250) is arranged in the negative pressure cavity (240), and the negative pressure assembly (250) can provide negative pressure for the negative pressure cavity (240).

7. The thoracentesis drainage device according to claim 6, characterized in that the negative pressure component (250) comprises a lever (251), the lever (251) is screwed on the bottle (210), one end of the lever is located outside the bottle (210), the other end of the lever is located in the negative pressure cavity (240), and a piston (252) is arranged at one end of the lever (251) located in the negative pressure cavity (240), the edge of the piston (252) is in contact with the inner wall of the negative pressure cavity (240);

a handle (253) is arranged at one end of the operating rod (251) positioned outside the bottle body (210).

8. The thoracentesis drainage device of claim 1 wherein said puncture needle is 5cm in length.