CN209204232U - Negative pressure drainage device is used in a kind of operation of Breast Surgery - Google Patents

Abstract

The utility model discloses a negative pressure drainage device for breast surgery, which includes a drainage bag, and a drainage tube is integrally formed on the drainage bag. Breast surgery often needs to pump out effusion. In the prior art, some hospitals in the The pressure ball is used to extract the effusion, but the pressure ball is difficult to control the amount of extraction, and it is inconvenient to control the size of the pressing force. When observing the amount of effusion, most of them are by observing the scale of the drainage bag. The shape of the drainage bag is very special. Fixed, the scale observation is not accurate enough. When the utility model is in use, the hanging ring of the drainage bag can be hung on the hook to prevent the liquid in the drainage bag from flowing out from the exhaust port. When drawing, the piston can be pulled. When the amount of extraction is small, the screw piston can be turned to facilitate the control of the extraction speed.

Description

Negative pressure drainage device for breast surgery

technical field

The utility model relates to the field of medical technology, in particular to a negative pressure drainage device for breast surgery.

Background technique

The mammary gland is located between the superficial and deep layers of the subcutaneous superficial fascia. The superficial fascia extends into the breast tissue to form a cord-like interlobular septum. One end is connected to the pectoralis fascia, and the other end is connected to the skin, fixing the mammary glands in the subcutaneous tissue of the chest.

Breast surgery often needs to pump out the effusion. In the prior art, some hospitals use a pressure ball when extracting the effusion. Most of the amount is measured by observing the scale of the drainage bag. The shape of the drainage bag is not fixed, and the scale observation is not accurate enough. Therefore, we propose a negative pressure drainage device for breast surgery to solve the above problems.

Utility model content

The purpose of this utility model is to provide a negative pressure drainage device for breast surgery to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a negative pressure drainage device for breast surgery, including a drainage bag, a drainage tube is integrally formed on the drainage bag, the head of the drainage tube and the drainage hose connected, and the side of the drainage tube is integrally formed with a connecting pipe, which is detachably connected to the suction device. The suction device includes a suction pipe, a pulling piston and a screw piston. One end of the suction pipe is connected to the The connecting pipe is detachably connected, the drawing piston is slidably installed in the suction pipe, the drawing piston is provided with a perforation, the drawing piston is threadedly installed in the perforation, and the drainage bag is equipped with an exhaust port , a cover is threadedly connected to the exhaust port, a hanging ring is integrally formed on the drainage bag, a spacer is integrally formed in the drainage tube, and the spacer connects the connection tube and the drainage hose with the connection end of the drainage tube. into two.

Preferably, the perforation is arranged along the axial direction of the drawing piston, the inner wall of the perforation close to the rear end of the suction pipe is integrally formed with an internal thread, the screw piston is threadedly connected with the internal thread, and the perforation is close to the front end of the suction pipe. The inner wall is a smooth structure, the head of the screw piston is fixed with a piston, and the piston is slidably connected with the perforated smooth inner wall.

Preferably, the head of the connecting pipe is provided with an external thread, the head of the suction pipe is fixed with a tapered cannula, and the head of the suction pipe is rotatably installed with a fixing ring, and the tapered cannula The pipe is inserted into the connecting pipe, and the fixing ring is threadedly connected with the connecting pipe.

Preferably, the rear end of the screw piston is fixed with a turntable, and the drawing piston and the screw piston are provided with scales.

Compared with the prior art, the beneficial effects of the utility model are:

1. When the utility model is in use, the hanging ring of the drainage bag can be hung on the hook to prevent the liquid in the drainage bag from flowing out from the exhaust port;

2. The utility model can pull the pulling piston when extracting, and when the amount of extraction is small, the screw piston can be rotated to facilitate the control of the extraction speed;

3. There are scales on the pulling piston and the screw piston of the utility model, and the extracted amount can be directly observed, which is convenient for controlling the extracted amount;

4. The utility model can prevent the extraction liquid from being sucked into the suction pipe after entering the connecting pipe from the drainage hose through the setting of the spacer.

Description of drawings

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

Fig. 2 is the schematic diagram of enlarged structure at A place in Fig. 1 of the utility model;

Fig. 3 is a schematic structural diagram of the suction device of the present invention.

In the figure: 1 drainage bag, 2 drainage tube, 3 drainage hose, 4 connecting tube, 5 suction tube, 6 pulling piston, 7 screw piston, 8 exhaust port, 9 cover, 10 hanging ring, 11 piston, 12 Tapered cannula, 13 fixed rings, 14 turntables, 15 scales, 16 spacers.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a negative pressure drainage device for breast surgery, including a drainage bag 1, a drainage tube 2 is integrally formed on the drainage bag 1, and the head of the drainage tube 2 is connected to the The drainage hose 3 is connected, and the side of the drainage tube 2 is integrally formed with a connecting pipe 4, which is detachably connected to the suction device. The suction device includes a suction pipe 5, a pulling piston 6 and a screw piston 7. One end of the tube 5 is detachably connected to the connecting tube 4, the pulling piston 6 is slidably installed in the suction tube 5, the pulling piston 6 is provided with a perforation, the pulling piston 6 is threadedly installed in the perforation, and the drainage bag 1 is installed There is an exhaust port 8, a cover 9 is threaded on the exhaust port 8, a hanging ring 10 is integrally formed on the drainage bag 1, and a spacer 16 is integrally formed in the drainage tube 2, and the spacer 16 connects the connecting pipe 4 and the drainage hose 3 and the connection end of the drainage tube 2 are divided into two, and the setting of the spacer 16 can prevent the extraction liquid from entering the connection tube 4 from the drainage hose 3 and being sucked into the suction tube 5 .

When the utility model is in use, the hanging ring 10 of the drainage bag 1 can be hung on the hook to prevent the liquid in the drainage bag 1 from flowing out from the exhaust port 8, and the pulling piston 6 can be pulled when extracting. When the amount is small, the screw piston 7 can be rotated to facilitate the control of the extraction speed.

The perforation is arranged along the axial direction of the drawing piston 6. The inner wall of the perforation close to the rear end of the suction pipe 5 is integrally formed with an internal thread. The screw piston 7 is threadedly connected with the internal thread. The inner wall of the perforation close to the front end of the suction pipe 5 is a smooth structure. The head of 7 is fixedly provided with piston 11, and piston 11 is slidably connected with the smooth inner wall of perforation.

The head of the connecting pipe 4 is provided with an external thread, the head of the suction pipe 5 is fixedly provided with a tapered cannula 12, and the head of the suction pipe 5 is rotatably equipped with a fixed ring 13, and the tapered cannula 12 is inserted into the Inside the connecting pipe 4 , the fixing ring 13 is threadedly connected with the connecting pipe 4 .

The rear end of the screw piston 7 is fixedly provided with a turntable 14, and the pulling piston 6 and the screw piston 7 are provided with a scale 15, so that the extracted amount can be directly observed, which is convenient for controlling the extracted amount.

Working principle: when the utility model is in use, the hanging ring 10 of the drainage bag 1 can be hung on the hook to prevent the liquid in the drainage bag 1 from flowing out from the exhaust port 8, and the pulling piston 6 can be pulled when drawing. When the amount of extraction is small, the screw piston 7 can be rotated to facilitate the control of the extraction speed. There are scales 15 on the pulling piston 6 and the screw piston 7, and the extraction amount can be directly observed, which is convenient for controlling the extraction amount , through the setting of the septum 16 , it can prevent the extraction liquid from being sucked into the suction pipe 5 after entering the connecting pipe 4 from the drainage hose 3 .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. A negative pressure drainage device for breast surgery, comprising a drainage bag (1), is characterized in that: a drainage tube (2) is integrally formed on the drainage bag (1), and the head of the drainage tube (2) The part communicates with the drainage hose (3), and the side of the drainage tube (2) is integrally formed with a connecting pipe (4), which is detachably connected with a suction device, and the suction device includes a suction pipe (5), drawing piston (6) and screw piston (7), one end of the suction pipe (5) is detachably connected to the connecting pipe (4), and the drawing piston (6) is slidably installed on the drawing In the suction pipe (5), a perforation is formed in the drawing piston (6), and the drawing piston (6) is threadedly installed in the perforation, and an exhaust port (8) is installed on the drainage bag (1). ), the exhaust port (8) is threadedly connected with a cover (9), the drainage bag (1) is integrally formed with a hanging ring (10), and the drainage tube (2) is integrally formed with a spacer ( 16), the spacer (16) divides the connecting pipe (4) and the connection end of the drainage hose (3) and the drainage pipe (2) into two. 2. A negative pressure drainage device for breast surgery according to claim 1, characterized in that: the perforation is arranged along the axial direction of the pulling piston (6), and the perforation is close to the suction tube (5) The inner wall of the end is integrally formed with an internal thread, and the screw piston (7) is threadedly connected with the internal thread, and the inner wall near the front end of the suction pipe (5) in the perforation is a smooth structure, and the head of the screw piston (7) is fixed. There is a piston (11) which is in sliding connection with the smooth inner wall of the perforation. 3. A kind of negative pressure drainage device for breast surgery according to claim 1, characterized in that: the head of the connecting pipe (4) is provided with an external thread, and the head of the suction pipe (5) A conical cannula (12) is fixedly provided, and a fixed ring (13) is rotatably installed on the head of the suction pipe (5), and the conical cannula (12) is inserted in the connecting pipe (4). Said fixing ring (13) is threadedly connected with connecting pipe (4). 4. A kind of negative pressure drainage device for breast surgery according to claim 1, characterized in that: the rear end of the screw piston (7) is fixedly provided with a turntable (14), and the pulling piston (6) And the screw piston (7) is provided with scale (15).