CN211024342U

CN211024342U - Anti-backflow fine-adjustment drainage device

Info

Publication number: CN211024342U
Application number: CN201921214496.7U
Authority: CN
Inventors: 赵玉财; 杨敏; 李静; 杨春良; 王宁宁
Original assignee: Weihai Weichuang Medical Devices Co ltd
Current assignee: Weihai Weichuang Medical Devices Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-07-17
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a backflow-preventing fine-adjustment drainage device for human bodies and animals, which comprises a drainage bag for caching liquid, wherein the surface of the drainage bag is provided with a scale strip which is convenient for observing the amount of the liquid stored in the drainage bag, the outer side of the upper end of the drainage bag is provided with an air exhaust opening for connecting a negative pressure mechanism, the upper end opening of the drainage bag is detachably provided with a movable cover, a first connecting pipe is inserted into a feeding hole at the upper end of the movable cover, the liquid inlet end of the first connecting pipe is connected with a shunting pipe group for adjusting the liquid flow rate and assisting in dredging, the feeding end of the shunting pipe group is connected with a second connecting pipe, the second connecting pipe is provided with an adjusting switch for adjusting the liquid flow rate, the liquid inlet end of the second connecting pipe is connected with a third connecting pipe, the utility model improves the defects of the prior device, is provided with a structure, simultaneously can carry out the second grade fine setting to the velocity of flow, can also take away unnecessary liquid in the drainage bag in addition, avoid the problem that needs the pause.

Description

Anti-backflow fine-adjustment drainage device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an anti-reflux fine-adjustment drainage device for human bodies and animals.

Background

The common drainage collecting devices (such as drainage bags, liquid suction bags, drainage devices and the like) used in the domestic medical market at present do not generally have the functions of backflow prevention, siphon prevention and speed and quantification incapability, or only the drainage bags have the functions, and the front end pipeline connected with a catheter in vivo still can be subjected to backflow or siphon, so that the probability and risk of infection or transitional drainage of a patient are high, the existing drainage device cannot be arranged after liquid is sent into the drainage bags, the drainage bags need to be replaced with new drainage bags after the drainage bags are full, drainage needs to be stopped at the replacement gaps, and later-stage drainage needs to be suspended for many times, so that pain is brought to the patient.

To the above-mentioned problem, a backflow-preventing fine-adjustment drainage device is now provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-reflux fine setting drainage device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anti-reflux fine-adjustment drainage device, is including the drainage bag that is used for buffer memory liquid, drainage bag surface is equipped with the scale bar of being convenient for observe how much of its storage liquid, drainage bag upper end outside is equipped with the extraction opening that is used for connecting negative pressure mechanism, drainage bag upper end mouth department can be dismantled and is equipped with the movable cover, the feed port grafting of movable cover upper end has first connecting pipe, the reposition of redundant personnel nest of tubes that is used for the regulation fluid flow rate and supplementary mediation is connected to the feed inlet end of first connecting pipe, the second connecting pipe is connected to the feed inlet end of reposition of redundant personnel nest of tubes, be equipped with the regulating switch who is used for the regulation fluid flow rate on the second connecting pipe, the third connecting.

And a one-way valve is arranged between the second connecting pipe and the third connecting pipe.

The flow dividing pipe group comprises a second three-way valve and a first three-way valve which are connected with a third connecting pipe and a first connecting pipe, a first flow dividing pipe is arranged at the second connecting end of the first three-way valve and the second three-way valve, and a one-way valve for preventing liquid from flowing back and an elastic cavity which can deform are arranged on the first flow dividing pipe;

a second shunt pipe is arranged between the third connecting ends of the second three-way valve and the first three-way valve, and a flow regulating valve for regulating the flow of the second shunt pipe is arranged on the second shunt pipe;

and a liquid discharge pipe is arranged at the bottom of the drainage bag, and a throttle valve is arranged on the liquid discharge pipe.

As a further aspect of the present invention: the movable cover is connected with the drainage bag through threads.

As a further aspect of the present invention: the elastic chamber is made of transparent materials.

As a further aspect of the present invention: the drainage bag is inside to be equipped with and to be used for screening filtering mechanism, screening filtering mechanism includes the surge drum, the surge drum upper end is connected with the closing cap through the jib, bottom through-hole department is equipped with and is used for carrying out filterable filter screen to liquid in the surge drum.

As a further aspect of the present invention: the filter screen is of a conical structure.

As a further aspect of the present invention: the drainage bag surface is equipped with the collection port, gather the port including setting up the collection mouth on drainage bag surface, collection mouth department is equipped with the sealed pad of silica gel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model improves the defects of the prior device, sets a structure for preventing liquid from flowing reversely, improves the safety of drainage, can simultaneously carry out two-stage fine adjustment on the flow speed, and can take away the redundant liquid in the drainage bag to avoid the problem of pause;

still be equipped with in the drainage bag and carry out filterable screening mechanism to liquid to avoid impurity to block up the drawback of fluid-discharge tube, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the drainage bag of the present invention.

Wherein: the drainage system comprises a drainage bag 1, a first connecting pipe 2, a first three-way valve 3, a second three-way valve 4, a first shunt pipe 5, an elastic chamber 6, a one-way valve 7, a flow regulating valve 8, a second shunt pipe 9, a regulating switch 10, a second connecting pipe 11, a third connecting pipe 12, a movable cover 101, an air pumping opening 102, a scale bar 103, a liquid discharge pipe 104, a throttle valve 105, a silica gel sealing gasket 106, a collecting opening 107, a suspender 108, a filter screen 109 and a collecting barrel 110.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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.

Example 1

Referring to fig. 1-2, in the embodiment of the present invention, an anti-backflow fine-adjustment drainage device includes a drainage bag 1 for storing liquid, a scale bar 103 is disposed on the surface of the drainage bag 1 for facilitating observation of the amount of the stored liquid, an air suction port 102 for connecting a negative pressure mechanism is disposed on the outer side of the upper end of the drainage bag 1, a movable cover 101 is detachably disposed at the upper port of the drainage bag 1, the movable cover 101 and the drainage bag 1 are connected by a screw thread in a manner convenient for later disassembly and maintenance, a first connection pipe 2 is inserted into a feed hole at the upper end of the movable cover 101, a shunt pipe set for adjusting the flow rate of the liquid and assisting in dredging is connected to a liquid inlet end of the first connection pipe 2, a second connection pipe 11 is connected to a feed end of the shunt pipe set, an adjusting switch 10 for adjusting the flow rate of the liquid is disposed on the second connection pipe 11, the adjusting switch 10 is similar to, the utilization extrudees the body to make the body deformation, in order to accomplish the regulation to the flow, third connecting pipe 12 is connected to the feed liquor end of second connecting pipe 11, third connecting pipe 12 is used for connecting the inside drainage intubate of inserting human body or animal.

In order to prevent the liquid in the device from flowing backwards, a one-way valve 7 is arranged between the second connecting pipe 11 and the third connecting pipe 12.

The shunt pipe group comprises a second three-way valve 4 and a first three-way valve 3 which are connected with a third connecting pipe 12 and a first connecting pipe 2, a first shunt pipe 5 is arranged at the second connecting end of the first three-way valve 3 and the second three-way valve 4, a one-way valve 7 for preventing liquid from flowing back and an elastic cavity 6 which can deform are arranged on the first shunt pipe 5, the elastic cavity 6 is made of transparent materials, liquid in the first shunt pipe 5 can be observed through the elastic cavity 6, and in practical use, the liquid can only flow to the drainage bag 1 under the flow limiting of the one-way valve through extrusion on the elastic cavity 6, so that the thrust of a dredging pipeline is generated, when the extrusion on the elastic cavity 6 is cancelled, the elastic cavity 6 can deform automatically, and the liquid in the second connecting pipe 11 can be promoted to flow to the first shunt pipe 5, so that the flow rate of the liquid is accelerated, and in practical use, the elastic chamber 6 can play a role in dredging and fine-adjusting the flow;

be equipped with second shunt tube 9 between the third link of No. two three-way valves 4 and three-way valve 3, be equipped with the flow control valve 8 that is used for adjusting its self flow on the second shunt tube 9, adjust the flow cross-section in the second shunt tube 9 through flow control 8 to the completion finely tunes the velocity of flow of reposition of redundant personnel nest of tubes.

In order to take away excessive liquid in the drainage bag 1 without stopping drainage, the bottom of the drainage bag 1 is provided with a liquid discharge pipe 104, the liquid discharge pipe 104 is provided with a throttle valve 105, when the liquid level in the drainage bag 1 exceeds a preset value, the throttle valve 105 is opened, so that the excessive liquid flows out, and the throttle valve 105 is closed after the excessive liquid flows out.

Example 2

In order to avoid the problem that fixed impurity deposit appears in the inside liquid of collecting of drainage bag 1, drainage bag 1 is inside to be equipped with and to be used for screening filtering mechanism, screening filtering mechanism includes the surge drum 110, the surge drum 110 upper end is passed through jib 108 and is connected with closing cap 101, bottom through hole department is equipped with and is used for carrying out filterable filter screen 109 to liquid in the surge drum 110, is connected filter screen 109 and detachable closing cap 101 here to the impurity that the later stage will be screened takes out, avoids appearing impurity and piles up in drainage bag 1 bottom, avoids the problem of fluid-discharge tube 104 jam, filter screen 109 is the toper structure, and the benefit of this kind of toper structure is increase filter area, also can guide all around to filter screen 109 with the impurity after the screening, thereby avoids impurity tiling on the filter screen surface, guarantees that the device lasts good filter effect.

Example 3

For the convenience of temporarily gathering solid samples in screening mechanism, drainage bag 1 surface is equipped with the collection port, gather the port including setting up the collection mouth 107 on drainage bag 1 surface, collection mouth 107 department is equipped with the sealed pad 106 of silica gel, when the sample temporarily, pierces the sealed pad 106 of silica gel through the needle of taking a sample with heavy-calibre, then extracts the impurity in the collecting vessel 110.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The anti-backflow fine-adjustment drainage device comprises a drainage bag (1) for caching liquid, wherein a scale bar (103) convenient for observing the amount of the liquid stored in the drainage bag (1) is arranged on the surface of the drainage bag (1), an air suction opening (102) used for being connected with a negative pressure mechanism is formed in the outer side of the upper end of the drainage bag (1), and a movable cover (101) is detachably arranged at the upper end opening of the drainage bag (1);

the device is characterized in that a first connecting pipe (2) is inserted into a feeding hole in the upper end of the movable cover (101), the liquid inlet end of the first connecting pipe (2) is connected with a shunt pipe group used for adjusting the flow rate of liquid and assisting in dredging, the feeding end of the shunt pipe group is connected with a second connecting pipe (11), an adjusting switch (10) used for adjusting the flow rate of liquid is arranged on the second connecting pipe (11), and the liquid inlet end of the second connecting pipe (11) is connected with a third connecting pipe (12);

a one-way valve (7) is arranged between the second connecting pipe (11) and the third connecting pipe (12);

the flow dividing pipe group comprises a second three-way valve (4) and a first three-way valve (3) which are connected with a third connecting pipe (12) and a first connecting pipe (2), a first flow dividing pipe (5) is arranged at a second connecting end of the first three-way valve (3) and the second three-way valve (4), and a one-way valve (7) for preventing liquid from flowing backwards and an elastic cavity (6) capable of deforming are arranged on the first flow dividing pipe (5);

a second shunt pipe (9) is arranged between the third connecting ends of the second three-way valve (4) and the first three-way valve (3), and a flow regulating valve (8) for regulating the flow of the second shunt pipe (9) is arranged on the second shunt pipe;

the drainage bag (1) bottom is equipped with fluid-discharge tube (104), be equipped with choke valve (105) on fluid-discharge tube (104).

2. The anti-backflow fine-adjustment drainage device according to claim 1, characterized in that the movable cover (101) is connected with the drainage bag (1) through a thread.

3. Anti-reflux fine-adjustment drainage device according to claim 1, characterized in that the elastic chamber (6) is made of transparent material.

4. The backflow-preventing fine-adjustment drainage device according to any one of claims 1 to 3, wherein a filtering mechanism for screening is arranged inside the drainage bag (1), the filtering mechanism comprises a collecting cylinder (110), the upper end of the collecting cylinder (110) is connected with the movable cover (101) through a hanging rod (108), and a filtering net (109) for filtering liquid is arranged at a through hole at the bottom inside the collecting cylinder (110).

5. The anti-backflow fine-adjustment drainage device according to claim 4, wherein the filter screen (109) is of a conical structure.

6. The backflow-preventing fine-adjustment drainage device according to claim 4, wherein a collection port is arranged on the surface of the drainage bag (1), the collection port comprises a collection port (107) arranged on the surface of the drainage bag (1), and a silica gel sealing gasket (106) is arranged at the collection port (107).