CN216855357U

CN216855357U - Skin flap drainage device after mastectomy

Info

Publication number: CN216855357U
Application number: CN202122588924.6U
Authority: CN
Inventors: 周易冬; 周星彤; 屈洋; 孙强
Original assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Current assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-07-01
Anticipated expiration: 2031-10-26

Abstract

The application discloses a flap drainage device after mastectomy, which comprises a drainage tube, a main body tube cavity and a negative pressure device; one end of the main body tube cavity is connected with the drainage tube, and the other end of the main body tube cavity is connected with the negative pressure device; the head end of the drainage tube is forked to form at least two separated tube bodies, the top ends of the separated tube bodies are provided with top holes, and the side walls of the separated tube bodies are provided with side holes; the main body tube cavity is detachably connected with the negative pressure device; a hydraulic control device is also arranged in the main body cavity; the negative pressure device is also provided with a pressure adjusting part. The utility model provides a drainage tube material has elasticity and thickness and is appropriate, difficult fracture, and drainage hole edge is smooth, need not to prune, and the double-end drainage improves drainage efficiency and practices thrift the consumptive material, and negative pressure device can recycle.

Description

Skin flap drainage device after mastectomy

Technical Field

The utility model relates to the field of medical instruments, in particular to a flap drainage device after mastectomy.

Background

Of the patients diagnosed with breast cancer, a proportion of patients fail to retain their breasts and need a mastectomy. The operation is generally a complete breast resection for removing nipple areola, and the skin of the chest wall and part of subcutaneous fat layer are attached to the pectoralis major muscle after the operation, so that a skin flap cavity with a larger range can be generated. The partial cavity needs to be wrapped and closed by pressurization, a certain amount of effusion can be generated in the cavity, and a drainage tube under the flap is often needed to be placed and led out, so that the healing of the flap is promoted. The flap drainage extends from the inside of the incision to the outside of the body and is connected with a negative pressure suction device for 3 to 5 days, so as to fully lead out the liquid under the flap.

The different drainage tubes on the market at present have the following problems: the material is softer, and the tube cavity is thin. The drainage tube has little damage to tissues, is too thin and soft, has the risk of breakage when being pulled out, and is easy to be crushed when the pressure binding force is larger, so that the drainage is not smooth. Secondly, the design positions of the top holes and the side holes of some drainage tubes are not ideal, manual cutting before operation is needed, the edges can be angled or uneven, and tissue damage is easily caused. And thirdly, some negative pressure devices are disposable and cannot form negative pressure again, so that waste is caused. And fourthly, the drainage tubes are designed to be single-cavity and single-tube, 2-3 drainage tubes are required to be placed in each operation, and the cost and the material consumption are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flap drainage device after mastectomy, which is characterized in that the material of a drainage tube is elastic and has proper thickness, the drainage tube is not easy to break, the edge of a drainage hole is smooth, trimming is not needed, the double-head drainage improves the drainage efficiency, the material consumption is saved, and a negative pressure device can be repeatedly used.

One aspect of the utility model provides a flap drainage device after mastectomy, which comprises a drainage tube, a main body lumen and a negative pressure device; one end of the main body tube cavity is connected with the drainage tube, and the other end of the main body tube cavity is connected with the negative pressure device; the head end of the drainage tube is forked to form at least two separated tube bodies, the top ends of the separated tube bodies are provided with top holes, and the side walls of the separated tube bodies are provided with side holes; the main body tube cavity is detachably connected with the negative pressure device; a hydraulic control device is also arranged in the main body pipe cavity; the negative pressure device is also provided with a pressure adjusting part.

The flap drainage device after mastectomy, wherein the top end of the tube body formed by the bifurcation of the head end of the drainage tube is in smooth transition.

The flap drainage device after mastectomy, wherein the edges of the side holes are in smooth transition, and the side holes account for 1/3 of the area of the separated tube body.

The flap drainage device after mastectomy, wherein, the side opening is a plurality of.

The flap drainage device after mastectomy, wherein the main body lumen is in threaded connection with the negative pressure device.

The flap drainage device after mastectomy, wherein the hydraulic control device is a valve or a clamp.

The flap drainage device after mastectomy, wherein the negative pressure device is a negative pressure suction bottle.

The flap drainage device after mastectomy, wherein the pressure regulating part is a plug detachably connected with the negative pressure suction bottle. Preferably, the pressure adjusting part is in threaded connection with the negative pressure suction bottle.

The flap drainage device after mastectomy, wherein at least one part of the bottle body of the negative pressure suction bottle is made of transparent materials. Preferably, the whole negative pressure suction bottle is made of transparent materials.

The flap drainage device after mastectomy, wherein the diameter of the drainage tube is 1-1.5mm, and the diameter of the main body lumen is 3-4 mm.

Advantageous effects

The utility model provides an advantage lies in, the drainage tube of this application is soft elastic material, and the surface is smooth, and is tough, difficult fracture. The top hole and the side hole are in smooth transition, and tissues cannot be scraped in the pulling process. The branching of drainage tube head end forms two at least separated bodys, and the skin flap region of difference can be placed respectively to the body of separation, can suck out the hydrops of different positions. The tail end is provided with a negative pressure device, and the upper surface is provided with a pressure adjusting part, so that the negative pressure can be adjusted, and the liquid can be conveniently discharged.

Drawings

FIG. 1 is a first schematic view of the flap drainage device after mastectomy in this embodiment;

fig. 2 is an enlarged sectional view of the hydraulic control device of the flap drainage device after mastectomy in the embodiment.

The reference numbers in the drawings are:

the drainage tube comprises a drainage tube 1, a top hole 11, a side hole 12, a main body tube cavity 2, a hydraulic control device 21, a pressure adjusting part 22 and a negative pressure device 3.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.

Referring to fig. 1 and 2, the utility model provides a flap drainage device after mastectomy, which comprises a drainage tube 1, a main body lumen 2 and a negative pressure device 3; one end of the main body lumen 2 is connected with the drainage tube 1, and the other end is connected with the negative pressure device 3; the head end of the drainage tube 1 is bifurcated to form at least two separated tube bodies which can be placed in different flap areas for multi-directional drainage; specifically, the two tubes are separated in this embodiment. Preferably, the top end of a tube body formed by the bifurcation of the head end of the drainage tube 1 is in smooth transition; the top end of the separated tube body is provided with a top hole 11, and the side wall of the separated tube body is provided with a side hole 12; preferably, the edges of the side holes 12 are in smooth transition, and the number of the side holes 12 is several; the plurality of hole sites can drain in multiple directions, the drainage efficiency is high, and the smooth and transitional holes can avoid scraping and rubbing tissues and avoid injury or discomfort to patients. Still preferably, the diameter of the drainage tube 1 is 1-1.5mm, the diameter of the main body lumen 2 is 3-4mm, and the main body lumen 2 is thicker than the drainage tube 1, so that there is no clogging when some solid tissues are discharged, especially when the drainage tube 1 has a plurality of branches to be gathered to the main body lumen 2. The drainage tube 1 is thinner, because the size of the epidermis wound is determined by the thickness of the drainage tube 1, the thinner drainage tube 1 can drain the liquid by needing a smaller wound, and the pain of the patient is reduced. The main body tube cavity 2 is detachably connected with the negative pressure device 3; preferably, the main body tube cavity 2 is in threaded connection with the negative pressure device, so that the main body tube cavity is convenient to disassemble at any time. A hydraulic control device 21 is also arranged in the main body tube cavity 2; preferably, the hydraulic control device 21 is a valve or a clamp, which is low in cost and convenient to operate. The hydraulic control device 21 in this embodiment is a ball valve. The negative pressure device 3 is also provided with a pressure regulating portion 22. Preferably, the pressure regulating part 22 is a plug detachably connected to the negative pressure suction bottle, so that the plug can be opened as required to remove the negative pressure state, and the residual liquid in the negative pressure device 3 can be discharged conveniently. Preferably, the negative pressure device 3 is a negative pressure suction bottle; preferably, at least one part of the bottle body of the negative pressure suction bottle is made of transparent materials, so that the liquid condition in the bottle can be observed conveniently, and the liquid can be discharged in time.

When the drainage device is used, two separated tube bodies formed by bifurcating the head end of the drainage tube are placed in different flap areas, the pressure adjusting part of the negative pressure device 3 is opened, the negative pressure device 3 is pinched to be flat, the pressure adjusting part 22 of the negative pressure device 3 is closed to generate negative pressure inside the negative pressure device, the hydraulic control device 21 is opened to communicate the negative pressure device 3 and the drainage tube 1, the exudate is drained, and when the negative pressure device 3 is filled with the exudate, the hydraulic control device 21 is closed, the pressure adjusting part 22 is opened, and the exudate is discharged.

Although the utility model has been described in detail with respect to the general description and the specific embodiments thereof, it will be apparent to those skilled in the art that modifications and improvements can be made based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. A flap drainage device after mastectomy is characterized by comprising a drainage tube, a main body lumen and a negative pressure device; one end of the main body lumen is connected with the drainage tube, and the other end of the main body lumen is connected with the negative pressure device; the head end of the drainage tube is forked to form at least two separated tube bodies, the top ends of the separated tube bodies are provided with top holes, and the side walls of the separated tube bodies are provided with side holes; the main body tube cavity is detachably connected with the negative pressure device; a hydraulic control device is also arranged in the main body pipe cavity; the negative pressure device is also provided with a pressure adjusting part.

2. The device of claim 1, wherein the top end of the tube body formed by the bifurcation of the head end of the drainage tube is smoothly transitioned.

3. The flap drain of claim 1, wherein the side holes are rounded at their edges and occupy 1/3 of the area of the detached tube.

4. The device of claim 3, wherein the side holes are a plurality of holes.

5. The post-mastectomy flap drainage device of claim 1, wherein the body lumen is threadably connected to the negative pressure device.

6. The post-mastectomy flap drainage device of claim 1, wherein the hydraulically controlled device is a valve or a clamp.

7. The device of claim 1, wherein the negative pressure device is a negative pressure suction bottle.

8. The post-mastectomy flap drainage device of claim 7, wherein the pressure regulating section is a plug detachably connected to the suction bottle.

9. The device of claim 7, wherein at least a portion of the body of the vacuum aspiration bottle is transparent.

10. The device of claim 1, wherein the diameter of the drain tube is 1-1.5mm and the diameter of the lumen of the main body is 3-4 mm.