CN209951875U

CN209951875U - Novel drainage device

Info

Publication number: CN209951875U
Application number: CN201920189697.XU
Authority: CN
Inventors: 常志刚
Original assignee: Beijing Hospital
Current assignee: Beijing Hospital
Priority date: 2019-02-11
Filing date: 2019-02-11
Publication date: 2020-01-17
Anticipated expiration: 2029-02-11

Abstract

The utility model discloses a novel drainage device, which comprises a supporting tube, a suction tube and a flushing tube, wherein the suction tube is concentrically arranged inside the supporting tube, and the flushing tube is arranged inside the suction tube; the circumference of stay tube is provided with the through-hole, the circumference of attracting the pipe is provided with the drainage hole, attract on the pipe drainage hole distribution region and the stay tube on the distribution region of through-hole at least partly coincide. The utility model provides a novel drainage device, which is used for drainage of wound oozing blood and tissue fluid in the abdominal cavity after abdominal operation, has reasonable arrangement and convenient operation, and can ensure the efficient drainage of the abdominal cavity; simultaneously, this novel drainage device has the scavenge pipe, and it sets up in the inside of attracting the pipe, can in time wash drainage device's inside, guarantees drainage device's normal use.

Description

Novel drainage device

Technical Field

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

Background

In the process of abdominal major operations such as stomach, intestine, liver and gall, pancreas and other operations, wound surface bleeding and interstitial fluid exudation are more after the operation because of larger tissue trauma and capillary and lymphatic vessel injury, and necrotic tissues, blood clots and other accumulations are easy to form an infection focus. Drainage of accumulated liquid out of the abdominal cavity is needed to avoid infection after abdominal operation, and meanwhile, accidents such as hemorrhage after abdominal operation, cavity visceral organ fistula and the like are observed. The traditional drainage method after abdominal operation adopts a single medical latex tube drainage tube for drainage, one end of the drainage tube is led out of the abdominal cavity and then connected with a drainage bag, and liquid is naturally drained and exuded by depending on the pressure in the abdominal cavity. The traditional drainage device can not lead out useless liquid in the abdominal cavity efficiently; meanwhile, the drainage device does not have a cleaning function, and the normal use of the drainage device is influenced.

Therefore, there is a need for a new drainage device that solves the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem, the utility model provides a novel drainage device which is used for drainage of wound bleeding and tissue fluid and the like in the abdominal cavity after abdominal operation, has reasonable arrangement and convenient operation, and can ensure efficient drainage of the abdominal cavity; simultaneously, this novel drainage device has the scavenge pipe, and it sets up in the inside of attracting the pipe, can in time wash drainage device's inside, guarantees drainage device's normal use. In actual work, drainage liquid is various in nature, sometimes sticky and sometimes solid, and through the washing and diluting effects of the washing pipe, the sticky/solid matter can be diluted, so that the drainage is convenient to suck out, and the drainage is efficient.

In order to solve the technical problem, the utility model provides a novel drainage device, which comprises a supporting tube, a suction tube and a flushing tube, wherein the suction tube is concentrically arranged inside the supporting tube, and the flushing tube is arranged inside the suction tube; the circumference of stay tube is provided with the through-hole, the circumference of attracting the pipe is provided with the drainage hole, attract on the pipe drainage hole distribution region and the stay tube on the distribution region of through-hole at least partly coincide.

In some embodiments, the irrigation tube is a rubber hose that passes through a connector on the suction tube and is located in the lumen of the suction tube.

In some embodiments, the drainage holes are uniformly distributed at the lower circumferential position of the drainage tube.

In some embodiments, the diameter dimension of the drainage apertures is no greater than the corresponding diameter dimension of the through-holes in the support tube.

In some embodiments, the suction tube is inserted into the support tube, and a sealing gasket is arranged at the intersection of the outer wall of the suction tube and the upper end opening of the support tube.

In some embodiments, the diameter of the drainage holes is 1/2 the corresponding diameter of the through holes in the support tube.

In some embodiments, the irrigation tube is provided with a regulating valve, which is arranged on the irrigation tube outside the suction tube. The speed of irrigation can be adjusted according to the shape of the drainage.

In some embodiments, the bottom of the supporting tube is provided with a through hole, so that liquid at the bottom of the supporting tube can be sucked by the through hole into a cavity between the supporting tube and the drainage tube, and the liquid is guided to the outside of the abdominal cavity through the drainage hole on the suction tube, thereby improving the working efficiency of the drainage device to a certain extent.

In some embodiments, the drainage holes on the suction tube and the through holes on the support tube are uniformly coated with hydrophobic coatings. The hydrophobic coating can prevent tissue liquid from contaminating drainage holes and through holes, and can protect the through holes and the drainage hole parts to a certain extent, so that the supporting tube and the suction tube are in a clean state for a long time.

The utility model discloses beneficial effect:

the utility model provides a pair of novel drainage device for after the belly operation, the drainage of abdominal cavity inside wound oozing blood and tissue fluid etc. has following technological effect:

(1) the novel drainage device is reasonable in arrangement and convenient and fast to operate, and can ensure efficient drainage of the abdominal cavity;

(2) the novel drainage device is provided with a cleaning tube which is arranged inside the suction tube, and can effectively avoid the blockage of a flushing pipeline and the tissue bleeding; meanwhile, the flushing pipe is positioned in the suction pipe, and all liquid after flushing can be fully sucked away under the action of uniform negative pressure due to the fact that the flushing pipe is cleaned from the inner side of the suction pipe, and the situation that the flushing liquid enters the human body again through the hole in the outer wall of the supporting pipe to cause infection diffusion is avoided.

Drawings

The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and do not limit the present invention, and in which:

fig. 1 is a schematic structural view of a novel drainage device of the present invention;

fig. 2 is an exploded view of the novel drainage device of the present invention;

fig. 3 is a cross-sectional view of the novel drainage device.

In the figure:

10. supporting a tube; 11. a through hole; 20. a suction tube; 21. a drainage hole; 22. a joint; 30. and (4) flushing the pipe.

Detailed Description

Fig. 1 to 3 are related schematic views of a novel drainage device according to the present invention, and the present invention will be described in detail with reference to the following embodiments and accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the present invention claims and the specification, and these technical solutions include technical solutions which make any obvious replacement or modification of the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. Note that, in order to clearly show the structure of each component of the embodiment of the present invention, the same reference numerals are used to denote the same parts.

The utility model relates to a novel drainage device's structural schematic diagram, as shown in fig. 1 and fig. 3, it includes stay tube 10, attracts pipe 20 and flushing pipe 30, attracts pipe 20 to set up with one heart in the inside of stay tube 10, and flushing pipe 30 sets up in the inside of attracting pipe 20. The upper end of the suction tube 20 is connected with a pressure source, when the pressure source is negative pressure, the support tube 10 is inserted into the abdominal cavity to be drained, under the action of the negative pressure, useless liquid in the abdominal cavity is firstly led into a cavity between the support tube 10 and the suction tube 20, and then is discharged out of the body through the suction tube 20. When the fluid to be drained remains inside the support tube 10 and the suction tube 20, the drainage device needs to be cleaned in time in order to ensure the normal use of the drainage device. The utility model discloses the flushing pipe 30 that sets up has the efficient function of washing, can accomplish the inside washing of novel drainage device, can dilute the high-efficient drainage of being convenient for thick or solid drainage thing.

Through holes 11 are formed in the circumferential direction of the support tube 10, drainage holes 21 are formed in the circumferential direction of the suction tube 20, and the distribution area of the drainage holes 21 on the suction tube 20 is overlapped with at least one part of the distribution area of the through holes 11 on the support tube 10. Under the action of the negative pressure, the useless liquid in the abdominal cavity passes through the through hole 11 and the drainage hole 21 to be guided to the outside of the abdominal cavity.

In some embodiments, the irrigation tube 30 is a rubber hose, which passes through the joint 22 of the suction tube 20 and is located in the inner cavity of the suction tube 20, and the irrigation tube 30 has an efficient irrigation function, and can perform irrigation inside the novel drainage device.

In general, the irrigation tube 30 is located outside the suction tube 20, and the irrigation tube 30 is located outside and may cause the irrigation liquid to re-enter the human body through the holes on the outer wall of the support tube, which may result in spreading of infection, and at the same time, the irrigation tube may be easily clogged due to uneven suction negative pressure. The utility model discloses in, the flushing pipe 30 is located the inside of attracting pipe 20, owing to wash from attracting the intraductal side, all liquid after washing can fully be siphoned away under the effect of even negative pressure, and can not make the flush fluid get into the human body again through the hole of supporting tube outer wall and lead to infecting the diffusion, and the flushing pipe is also difficult to block up to, flushing pipe 30 is located the inside of attracting pipe 20, it does not contact with the tissue in the abdominal cavity, consequently, the flushing pipe can not arouse the tissue hemorrhage, the utility model discloses drainage device uses safelyr. The irrigation tube 30 is juxtaposed on one side of the aspiration tube 20 and may result in drainage fluid on the other side being unable to be irrigated, resulting in poor drainage. In many cases, it is desirable to have the irrigation tube side correspond to the stoma site, and the insertion is typically blind, and it is not possible to have the irrigation tube side correspond to the stoma site. This novel patent design flushing tube is located and attracts the pipe inboard, so no matter how place/rotatory, drainage liquid can all be washed to effectively be attracted.

Preferably, the drainage holes 21 are uniformly distributed at the lower circumferential position of the drainage tube 20; correspondingly, the drainage holes 21 are uniformly distributed in the circumferential direction of the suction tube 20; the distribution area of the drainage holes 21 on the suction tube 20 is at least partially overlapped with the distribution area of the through holes 11 on the support tube 10.

In the embodiment shown in fig. 1, the through holes 11 and the drainage holes 21 have a circular shape, and may have other closed shapes such as an oval shape, a waist shape, and a crescent shape. In the utility model, the diameter of the drainage hole 21 is not larger than the diameter corresponding to the through hole 11 on the support tube 10. Preferably, the diameter of the drainage hole 21 is 1/2 corresponding to the diameter of the through hole 11 on the support tube 10.

The suction tube 20 is inserted into the support tube 10, and a sealing gasket is arranged at the intersection of the outer wall of the suction tube 20 and the upper end opening of the support tube 10. The upper end of the suction tube 20 is connected with a pressure source, when the pressure source is negative pressure, the support tube 10 is inserted into the abdominal cavity to be drained, and under the action of the negative pressure, useless liquid in the abdominal cavity is led out. The normal action of the pressure source can be guaranteed by the aid of the sealing gasket, and normal use of the novel drainage device is guaranteed.

The irrigation tube 30 is provided with an adjusting valve, which is arranged on the irrigation tube 30 positioned outside the suction tube 20. Thus, the flow rate in the washing pipe 30 can be flexibly controlled as required, the flow rate of the washing water flowing out from the end part of the washing pipe 30 can be adjusted, and the washing effect of the washing pipe can be adjusted.

In some embodiments, the bottom of the support tube 10 is provided with a through hole 11, so that the liquid at the bottom of the support tube 10 can also be sucked by the through hole 11 into the cavity between the support tube 10 and the drainage tube 20, and the liquid is guided to the outside of the abdominal cavity through the drainage hole 21 of the suction tube 20, thereby improving the working efficiency of the drainage device to some extent.

The utility model discloses in, the even coating of through-hole 11 department on drainage hole 21 on the suction tube 20 and the stay tube 10 has the hydrophobic coating, specifically, the coating scope of hydrophobic coating is about to be greater than the diameter of drainage hole 21 and through-hole 11 slightly, also has the coating of hydrophobic coating on the vertical circumference wall of drainage hole 21 and through-hole 11 simultaneously. The hydrophobic coating is a low surface energy coating with a static water contact angle theta of more than 90 degrees of a coating film on a smooth surface, and has the characteristics of water resistance, pollution prevention, adhesion resistance, oxidation resistance, corrosion resistance and self-cleaning. The hydrophobic coating can prevent that tissue liquid from staining drainage hole 21 and through-hole 11, can protect through-hole and drainage hole part to a certain extent for stay tube and suction tube are in clean state for a long time, have effectively ensured novel drainage device's result of use.

Compared with the prior art, the novel drainage device provided by the utility model is used for drainage of wound bleeding and tissue fluid in the abdominal cavity after abdominal operation, has reasonable arrangement and convenient operation, and can ensure efficient drainage of the abdominal cavity; simultaneously, this novel drainage device has the scavenge pipe, and it sets up in the inside of attracting the pipe, can in time wash drainage device's inside, guarantees drainage device's normal use, has better spreading value.

The present invention is not limited to the above embodiments, and any person can obtain other products in various forms under the teaching of the present invention, but any change in shape or structure is made, and all the products have the same or similar technical solutions as the present invention, and all the products fall within the protection scope of the present invention.

Claims

1. A novel drainage device is characterized by comprising a supporting tube, a suction tube and a flushing tube, wherein the suction tube is concentrically arranged inside the supporting tube, and the flushing tube is arranged inside the suction tube; the circumference of stay tube is provided with the through-hole, the circumference of attracting the pipe is provided with the drainage hole, attract on the pipe drainage hole distribution region and the stay tube on the distribution region of through-hole at least partly coincide.

2. The novel drainage device according to claim 1, wherein the irrigation tube is a rubber hose which passes through a connector on the suction tube and is located in the inner cavity of the suction tube.

3. The novel drainage device according to claim 1, characterized in that the drainage holes are evenly distributed at the lower circumferential position of the drainage tube.

4. The novel drainage device of claim 3, wherein the diameter of the drainage hole is not larger than the diameter of the through hole on the support tube.

5. The novel drainage device according to claim 1, wherein the suction tube is inserted into the support tube, and a sealing gasket is arranged at the intersection of the outer wall of the suction tube and the upper end opening of the support tube.

6. The novel drainage device of claim 4, wherein the diameter of the drainage hole is 1/2 corresponding to the diameter of the through hole on the support tube.

7. The novel drainage device according to claim 1, characterized in that the flushing tube is provided with a regulating valve which is arranged on the flushing tube outside the suction tube.

8. The novel drainage device according to claim 1, characterized in that the bottom of the support tube is provided with a through hole.

9. The novel drainage device according to claim 1, wherein the drainage holes on the suction tube and the through holes on the support tube are uniformly coated with hydrophobic coatings.