CN219700634U

CN219700634U - Drainage device

Info

Publication number: CN219700634U
Application number: CN202320482936.7U
Authority: CN
Inventors: 练诗林; 丁宇
Original assignee: 6th Medical Center of PLA General Hospital
Current assignee: 6th Medical Center of PLA General Hospital
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-09-19
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a drainage device, which comprises a drainage collecting bottle, a drainage tube and a drainage generator, wherein the drainage generator is arranged at the upper end of the drainage collecting bottle, a liquid inlet pipe and a liquid outlet pipe are arranged on the drainage generator, the liquid outlet pipe is communicated with the inside of the drainage collecting bottle, and the drainage device further comprises a mounting assembly which is arranged between the liquid inlet pipe and the drainage tube and is convenient for mounting and dismounting the drainage tube; the installation pipe is fixedly arranged on the liquid inlet pipe and is communicated with the inside of the liquid inlet pipe. According to the drainage device, when the pressure of the drainage tube is overlarge in the drainage process, the pressure of the drainage tube and the liquid in the liquid inlet tube is automatically reduced through the protection component, so that the pressure of the drainage tube and the liquid in the liquid inlet tube is automatically reduced and relieved when the pressure of the drainage tube is overlarge in the drainage process, bleeding caused by overlarge pressure of the drainage tube is avoided, the drainage process is protected, and the operation and the use of the drainage device are facilitated.

Description

Drainage device

Technical Field

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

Background

The drainage device is commonly used for negative pressure drainage and collection operation on liquid in spinal surgery, in the process of carrying out negative pressure drainage operation through the drainage device, the pressure of negative pressure is preferably 0.02-0.04 megapascals, bleeding is easily caused by overlarge pressure, in the process of drainage operation of the drainage device, the pressure of negative pressure drainage is difficult to automatically regulate and control, the phenomenon that the pressure of drainage negative pressure is overlarge occurs is caused, and the operation and the use of the drainage device are inconvenient.

There is therefore a need for a drainage device that addresses the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a drainage device, which solves the problems that the pressure of negative pressure drainage provided in the background art is difficult to automatically regulate and control, the phenomenon of overlarge pressure of the drainage negative pressure occurs, and the operation and the use of the drainage device are inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drainage device, includes drainage collecting bottle, drainage tube and installs the drainage generator in drainage collecting bottle upper end, be provided with feed liquor pipe and drain pipe on the drainage generator, the drain pipe communicates with each other with the inside of drainage collecting bottle and sets up, still includes:

the installation component is arranged between the liquid inlet pipe and the drainage pipe and is convenient for installing and dismantling the drainage pipe;

the installation pipe is fixedly arranged on the liquid inlet pipe, the installation pipe is communicated with the inside of the liquid inlet pipe, and a protection component for controlling and protecting pressure in the drainage process of the drainage tube is arranged on the installation pipe.

The protection assembly comprises a conical surface arranged inside the installation tube, the ball valve is connected inside the installation tube through the pushing assembly, the ball valve abuts against the conical surface to seal the installation tube under the pushing action of the pushing assembly, and the adjusting assembly used for pushing the pressure adjustment by the pushing assembly and the guiding assembly used for guiding in the adjusting process are arranged inside the installation tube.

The pushing assembly comprises a filter plate which is slidably connected inside the mounting pipe, a spring is connected between the filter plate and the ball valve, and the ball valve abuts against the conical surface under the action of the elastic force of the spring.

The adjusting component comprises a supporting plate fixed on the inner wall of the installation tube, a threaded rod is rotationally connected to the supporting plate, a threaded tube is connected to the threaded rod in a threaded engagement mode, the other end of the threaded tube is fixed to the filter plate, and a fixing pin is fixed to the other end of the threaded rod.

The guide assembly comprises two sleeves fixed on the filter plate, a sliding rod is connected to the two sleeves in a sliding mode, and one end of the sliding rod is fixed with the support plate.

The installation component is including fixing fixed pipe and the connecting pipe at feed liquor pipe and drainage tube one end respectively, connecting pipe and the inner wall threaded connection of fixed pipe.

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

according to the drainage device, when the pressure of the drainage tube is overlarge in the drainage process, the pressure of the drainage tube and the liquid in the liquid inlet tube is automatically reduced through the protection component, so that the pressure of the drainage tube and the liquid in the liquid inlet tube is automatically reduced and relieved when the pressure of the drainage tube is overlarge in the drainage process, bleeding caused by overlarge pressure of the drainage tube is avoided, the drainage process is protected, and the operation and the use of the drainage device are facilitated.

Drawings

FIG. 1 is a schematic diagram of the overall outline structure of the present utility model;

FIG. 2 is a schematic view of a mounting assembly of the present utility model;

FIG. 3 is a schematic view of the structure of the protecting component, the pushing component and the adjusting component of the present utility model;

fig. 4 is an enlarged view at a in fig. 3.

In the figure: 101. a drainage collection bottle; 102. a drainage generator; 103. a drainage tube; 104. a liquid inlet pipe; 201. a fixed tube; 202. a connecting pipe; 3. installing a pipe; 401. a conical surface; 402. a ball valve; 501. a filter plate; 502. a spring; 601. a support plate; 602. a threaded rod; 603. a threaded tube; 604. a fixing pin; 701. a sleeve; 702. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the drainage device provided by the utility model comprises a drainage collection bottle 101, a drainage tube 103, a drainage generator 102 installed at the upper end of the drainage collection bottle 101, a liquid inlet pipe 104 and a liquid outlet pipe arranged on the drainage generator 102, wherein the liquid outlet pipe is communicated with the inside of the drainage collection bottle 101, and the drainage device further comprises:

the installation component is arranged between the liquid inlet pipe 104 and the drainage pipe 103 and is convenient for installing and dismantling the drainage pipe 103;

the installation pipe 3 of fixed mounting on feed liquor pipe 104, the installation pipe 3 communicates with each other with the inside of feed liquor pipe 104, be provided with the protection component to drainage tube 103 drainage in-process pressure control protection on the installation pipe 3, when the pressure to the drainage tube 103 is too big in the inside to take out the pressure in-process, through the protection component, the pressure of the inside drawing liquid of drainage tube 103 and feed liquor pipe 104 is reduced automatically, automatic the step down is alleviated when making drainage in-process take out the pressure too big, avoid the pressure that the drainage took out the pressure to be too big to cause the hemorrhage, protect the process of drainage, the operation of drainage device of being convenient for is used.

The protection component comprises a conical surface 401 arranged inside the installation pipe 3, the ball valve 402 is connected to the installation pipe 3 through the pushing component, the ball valve 402 is abutted against the conical surface 401 to seal the installation pipe 3 under the pushing action of the pushing component, an adjusting component used for pushing the pressure adjustment by the pushing component and a guiding component used for guiding in the adjusting process are arranged inside the installation pipe 3, the pushing pressure of the ball valve 402 is synchronously increased along with the increase of the pumping pressure in the process of pumping the drainage pipe 103, when the pumping pressure is too large and is larger than the pushing force of the spring 502 to the ball valve 402, the ball valve 402 is not abutted against the conical surface 401 any more, at the moment, outside air can enter the drainage pipe 103 and the inside of the liquid inlet pipe 104 through the gap between the ball valve 402 and the conical surface 401, the pressure of the drainage pipe 103 and the liquid inlet pipe 104 is reduced, the pressure of the pumping pressure is automatically reduced when the pumping pressure is too large, bleeding is easily caused when the pumping pressure is avoided in the drainage process, and the operation of the drainage device is convenient to use.

The pushing assembly comprises a filter plate 501 which is slidably connected inside the mounting pipe 3, a spring 502 is connected between the filter plate 501 and the ball valve 402, the ball valve 402 is propped against the conical surface 401 under the action of the elastic force of the spring 502, and the ball valve 402 is conveniently pushed against the conical surface 401 through the spring 502.

The adjusting component comprises a supporting plate 601 fixed on the inner wall of the installation tube 3, a threaded rod 602 is rotationally connected to the supporting plate 601, a threaded pipe 603 is connected to the threaded rod 602 in a threaded engagement mode, the other end of the threaded pipe 603 is fixed to the filter plate 501, a fixing pin 604 is fixed to the other end of the threaded rod 602, the guiding component comprises two sleeves 701 fixed to the filter plate 501, sliding rods 702 are connected to the two sleeves 701 in a sliding mode, one end of each sliding rod 702 is fixed to the supporting plate 601, the threaded rod 602 is driven to rotate through the fixing pin 604, in the process of rotating the threaded rod 602, the filter plate 501 is driven to move in the installation tube 3 through the mutual engagement transmission between the threaded rod 602 and the threaded pipe 603 and the guiding action of each sleeve 701 and the sliding rods 702, the elasticity of a spring 502 between the filter plate 501 and the ball valve 402 is adjusted through the movement of the filter plate 501, the ball valve 402 can not abut against the conical surface 401 under the action of different pressures in the process of drainage pumping pressure, and the protecting component can be conveniently used for pressure reduction protection under the action of different pumping pressure.

The installation component includes fixed pipe 201 and connecting pipe 202 fixed respectively at feed liquor pipe 104 and drainage tube 103 one end, and connecting pipe 202 and the inner wall threaded connection of fixed pipe 201 are convenient for installation and disassembly of drainage tube 103 and feed liquor pipe 104 through the threaded connection of connecting pipe 202 and fixed pipe 201 inner wall.

Working principle: when the drainage device conducts drainage operation, the connecting pipe 202 is connected to the inner wall of the fixed pipe 201 in a threaded mode, installation of the drainage tube 103 on the liquid inlet pipe 104 of the drainage generator 102 is completed, and after the installation of the drainage tube 103 is completed, one end of the drainage tube 103 is placed at a position to be drained;

after the installation and placement of the drainage tube 103 are completed, the drainage generator 102 is started, the drainage tube 103 and the inside of the liquid inlet tube 104 are pumped through the drainage generator 102, liquid to be drained at one end of the drainage tube 103 is sucked into the drainage tube 103 and is collected in the drainage collection bottle 101 through conveying, in the process of pumping the inside of the drainage tube 103, along with the increase of pumping pressure, the pushing pressure of the ball valve 402 is synchronously increased, when the pumping pressure is too high and is greater than the pushing force of the spring 502 to the ball valve 402, the ball valve 402 is not propped against the conical surface 401 any more, at the moment, external air can enter the inside of the drainage tube 103 and the liquid inlet tube 104 through a gap between the ball valve 402 and the conical surface 401, the pressure of the liquid pumped inside of the drainage tube 103 and the liquid inlet tube 104 is reduced, the pressure of the pumping pressure is automatically reduced when the pumping pressure is too high in the drainage process, bleeding is avoided, the drainage process is easily caused, and the operation and the drainage device is convenient to use;

and in the drainage protection process, the threaded rod 602 can be driven to rotate through the fixing pin 604, in the threaded rod 602 rotation process, through the intermeshing transmission between the threaded rod 602 and the threaded pipe 603 and the guiding effect of each sleeve 701 and the slide bar 702, the filter plate 501 is driven to move in the installation pipe 3, and through the movement of the filter plate 501, the elasticity of the spring 502 between the filter plate 501 and the ball valve 402 is regulated, so that the ball valve 402 can not be propped against the conical surface 401 any more under different pressure effects in the drainage and pumping process, and the protection component can be conveniently subjected to pressure reduction protection under different pumping pressure effects.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A drainage device, comprising:

the drainage device comprises a drainage collecting bottle (101), a drainage tube (103) and a drainage generator (102) arranged at the upper end of the drainage collecting bottle (101), wherein a liquid inlet pipe (104) and a liquid outlet pipe are arranged on the drainage generator (102), and the liquid outlet pipe is communicated with the inside of the drainage collecting bottle (101);

characterized by further comprising:

the installation component is arranged between the liquid inlet pipe (104) and the drainage pipe (103) and is convenient for installing and dismantling the drainage pipe (103);

the installation pipe (3) is fixedly installed on the liquid inlet pipe (104), the installation pipe (3) is communicated with the inside of the liquid inlet pipe (104), and a protection component for controlling and protecting pressure in the drainage process of the drainage pipe (103) is arranged on the installation pipe (3).

2. A drainage device according to claim 1, wherein: the protection assembly comprises a conical surface (401) arranged inside the installation tube (3), a ball valve (402) is connected inside the installation tube (3) through a pushing assembly, the ball valve (402) abuts against the conical surface (401) to plug the installation tube (3) under the pushing action of the pushing assembly, and an adjusting assembly used for pushing the pressure adjustment by the pushing assembly and a guiding assembly used for guiding in the adjusting process are arranged inside the installation tube (3).

3. A drainage device according to claim 2, wherein: the pushing assembly comprises a filter plate (501) which is slidably connected inside the mounting pipe (3), a spring (502) is connected between the filter plate (501) and the ball valve (402), and the ball valve (402) is abutted against the conical surface (401) under the action of the elasticity of the spring (502).

4. A drainage device according to claim 3, wherein: the adjusting component comprises a supporting plate (601) fixed on the inner wall of the mounting pipe (3), a threaded rod (602) is rotatably connected to the supporting plate (601), a threaded pipe (603) is connected to the threaded rod (602) in a threaded engagement mode, the other end of the threaded pipe (603) is fixed to the filter plate (501), and a fixing pin (604) is fixed to the other end of the threaded rod (602).

5. The drainage device of claim 4, wherein: the guide assembly comprises two sleeves (701) fixed on the filter plate (501), the two sleeves (701) are connected with slide bars (702) in a sliding manner, and one ends of the slide bars (702) are fixed with the support plate (601).

6. A drainage device according to claim 1, wherein: the installation assembly comprises a fixed pipe (201) and a connecting pipe (202), wherein the fixed pipe (201) and the connecting pipe (202) are respectively fixed at one ends of the liquid inlet pipe (104) and the drainage pipe (103), and the connecting pipe (202) is in threaded connection with the inner wall of the fixed pipe (201).