CN216091610U

CN216091610U - Anti-backflow drainage bag

Info

Publication number: CN216091610U
Application number: CN202121850043.0U
Authority: CN
Inventors: 李伟枫; 曾平湖; 谢向红; 陈雪玲; 张秀娟; 禤妙芬; 罗少连; 邝少芳; 区汉群; 陆瑞心
Original assignee: Foshan First Peoples Hospital Foshan Hospital Sun Yat Sen University
Current assignee: Foshan First Peoples Hospital Foshan Hospital Sun Yat Sen University
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-03-22
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses an anti-backflow drainage bag, which comprises: a bag body, a drainage tube body and an anti-impact catheter. The impact-proof conduit is internally provided with a main runner and a sub-runner. The two ends of the main flow channel are provided with a main inlet and a main outlet. The main outlet is communicated with the inside of the bag body, and the main inlet is communicated with the drainage tube body. The branch channel is provided with a branch inlet and a branch outlet. The main outlet, the branch inlet, the branch outlet and the main inlet are arranged in sequence. The branch inlet and the branch outlet are communicated with the main flow channel and arranged towards the main outlet. The branch inlet and the branch outlet are communicated in a smooth transition way. The anti-backflow drainage bag has the advantages that the anti-impact catheter structure weakens the drainage liquid of backflushing and counter-flow, the drainage liquid is prevented from impacting the drainage tube body when the bag body is pressed by mistake, and the anti-backflow effect is greatly improved. The utility model can be applied to medical drainage equipment.

Description

Anti-backflow drainage bag

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an anti-backflow drainage bag.

Background

The drainage bag can be used for postoperative drainage of operation patients such as thoracic cavity and abdominal cavity, and also can be used for drainage of patients who are bedridden for a long time and are difficult to self-care, even family special nurses and the like. The former is a true drainage bag for patients after pleuroperitoneal surgery, and the latter is a urinary bag for patients in long-term bed or in home care, which is a urinary catheterization bag.

In the drainage bag in the prior art, a one-way valve is arranged on a drainage tube communicated with a bag body to realize the backflow prevention of the drainage bag. Although the structure of the one-way valve can prevent the backflow phenomenon of the drainage liquid in normal use, in case of mistakenly pressing the drainage bag body in the use process, when the pressure in the bag body is increased sharply, the drainage liquid in the bag is likely to flush the one-way valve to cause backflow, so that serious consequences such as infection are caused; the connection between the bag body and the drainage tube is broken, and the drainage liquid is splashed and leaked, so that the pollution and even the infection of patients are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-backflow drainage bag, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.

The technical scheme adopted for solving the technical problems is as follows:

an anti-reflux drainage bag comprising: a bag body, a drainage tube body and an anti-impact catheter;

a main runner and a sub-runner are arranged in the impact-proof guide pipe; a main inlet and a main outlet are arranged at two ends of the main flow channel, the main outlet is communicated with the interior of the bag body, and the main inlet is communicated with the drainage tube body; the branch runners are arranged along the trend of the main runner, the branch runners are provided with branch inlets and branch outlets, the main outlet, the branch inlets, the branch outlets and the main inlet are sequentially arranged, the branch inlets and the branch outlets are communicated with the main runner and face the main outlet, and the branch inlets and the branch outlets are communicated in a smooth transition mode.

The backflow-preventing drainage bag provided by the utility model at least has the following beneficial effects: the bag body can hold and load drainage liquid, the protecting against shock pipe can communicate the bag body and drainage tube body. When the drainage bag is normally used, drainage liquid flows into the bag body from the drainage tube body through the impact-proof catheter: the drainage liquid flows from the main inlet to the main outlet through the main runner and the sub-runners and enters the bag body; at this time, no matter the size of the impact force of the drainage liquid, the anti-impact catheter can not obstruct the flow of the drainage liquid, and the anti-impact catheter is equivalent to a common catheter. When the drainage bag body receives the mistake oppression and makes the internal pressure of bag suddenly increase, drainage liquid can recoil against the current, in the protecting against shock pipe is gone into from the bag body: the drainage liquid flows into the main runner from the main outlet, and the drainage liquid impacted at the branch outlets is naturally distributed and flows along the main runner and the branch runners respectively; when the drainage liquid in the sub-channels flows out from the sub-outlets, the drainage liquid and the drainage liquid in the main channel form opposite impact, and the impact force of the drainage liquid in the main channel is weakened; the drainage liquid of many subchannels causes the recoil to weaken to the drainage liquid in the sprue in proper order, and the drainage liquid impact force in the sprue is big more, and the hedging dynamics in the subchannel is also big more for the drainage liquid of recoil countercurrent is almost impossible to be followed main import blowout causes the impact to the drainage tube body. According to the anti-backflow drainage bag, the anti-impact catheter is arranged between the bag body and the drainage tube body, so that a normal drainage liquid storage function can be realized, the anti-impact effect of the drainage bag is effectively enhanced, and the risk of countercurrent infection of drainage liquid is greatly reduced.

As a further improvement of the above technical solution, the extending direction of the main runner is an up-down direction, the main inlet is disposed above the main outlet, and the plurality of sub-runners are respectively disposed on left and right sides of the main runner and arranged at equal intervals along the up-down direction. Through the technical scheme, the plurality of the sub-channels are respectively arranged at the left side and the right side of the main channel, so that the anti-impact guide pipe is more compact in structure and is multiple in that the sub-channels sequentially form backflushing and act layer by layer, and the effect of preventing backflow impact is realized.

As a further improvement of the technical scheme, the sub-runners arranged on the left side and the right side are sequentially arranged in a mutually staggered manner. Through the technical scheme, the multiple sub-channels are arranged in a left-right staggered mode, so that the structure of the anti-impact guide pipe is more compact, and the space is saved.

As above-mentioned technical scheme's further improvement, with the extending direction of sprue is upper and lower direction, main import and main export are located respectively the upper and lower both ends of protecting against shock pipe, the inside of protecting against shock pipe is equipped with down the sharp wide water conservancy diversion portion of going up, sprue and subchannel are located respectively the both sides of water conservancy diversion portion left and right sides direction, branch import is located the lower extreme of water conservancy diversion portion. According to the technical scheme, the flow guide part and the inner wall of the impact-resistant guide pipe enclose a main flow channel and a sub flow channel, and the main flow channel and the sub flow channel are separated by the flow guide part. The lower end of the flow guide part is sharp, so that the drainage liquid can be naturally divided when backflushing upwards; the upper end of water conservancy diversion portion is broad for the subchannel can smoothly pass through, and the drainage liquid can follow the subchannel and flow out from the recoil drainage liquid formation offset of branch export with the sprue.

As a further improvement of the technical scheme, the main outlet is arranged at the top of the bag body, and the bottom of the bag body is also provided with a liquid discharge pipe and/or a liquid discharge valve. Through above-mentioned technical scheme, when drainage bag normal use, drainage liquid begins to pile up from bag body bottom under the action of gravity, fluid-discharge tube or flowing back valve can conveniently discharge the internal drainage liquid of bag when needs.

As a further improvement of the technical scheme, the top of the bag body is provided with a binding band and/or a hook. Through the technical scheme, the bandage can conveniently tie the drainage bag body tightly on the patient body, and the hook can conveniently hang the drainage bag on a sickbed or a wheelchair.

As a further improvement of the technical scheme, one side or two sides of the bag body are provided with metering scale marks arranged along the height direction. Through above-mentioned technical scheme, when drainage bag normal use, drainage liquid begins to pile up from bag body bottom under the action of gravity, the volume of the internal drainage liquid of bag can be shown directly perceivedly to the measurement scale mark.

As a further improvement of the technical scheme, one end of the drainage tube body is communicated with the anti-impact catheter, the other end of the drainage tube body is provided with a plug, the plug is used for being matched and connected with an external body fluid eduction tube, and the outer side of the plug is also detachably sleeved with a protective sleeve. Through the technical scheme, the drainage tube can be communicated with the body fluid eduction tube in the body of a patient through the plug-in connector, the drainage bag is more convenient to replace or clean, the body fluid eduction tube does not need to be arranged again, and the pain of the patient is relieved.

As a further improvement of the technical scheme, the drainage tube body is provided with a hand-pinch type negative pressure drainage device, and the hand-pinch type negative pressure drainage device comprises a hand-pinch type negative pressure suction ball and one-way valves arranged at two ends of the hand-pinch type negative pressure suction ball. Through the technical scheme, formula negative pressure ball is held between the fingers to the hand has the check valve, squeezes through the mode is held between the fingers to the hand formula negative pressure ball is held between the fingers to the hand, can let the imbibition tip of drainage tube body produce suction with the hydrops suction, the convenient operation to patient's chest, abdominal cavity drainage flowing back.

Drawings

The utility model is further described with reference to the accompanying drawings and examples;

FIG. 1 is a front view of an embodiment of an anti-reflux drainage bag provided by the present invention;

FIG. 2 is a cross-sectional view of an embodiment of an anti-reflux drainage bag provided by the present invention at an anti-shock catheter;

FIG. 3 is a schematic representation of a positive flow of drainage fluid in an embodiment of an anti-shock catheter provided in accordance with the present invention;

figure 4 is a schematic view of an embodiment of an anti-shock catheter of the present invention with reverse drainage flow.

In the figure, 100 parts of a bag body, 110 parts of a binding band, 120 parts of a metering scale mark, 130 parts of a liquid discharge valve, 200 parts of a drainage pipe body, 210 parts of a plug connector, 220 parts of a hand-pinch type negative pressure drainage device, 221 parts of a hand-pinch type negative pressure suction ball, 222 parts of a one-way valve, 300 parts of an anti-impact conduit, 310 parts of a main flow passage, 311 parts of a main inlet, 312 parts of a main outlet, 320 parts of a branch flow passage, 321 parts of an inlet, 322 parts of an outlet, 330 parts of a flow guide part.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 4, the anti-reflux drainage bag of the present invention is made as follows:

an anti-reflux drainage bag comprising: a pouch body 100, a drainage tube body 200, and an impact-resistant catheter 300.

The impact conduit 300 is in the form of an elongated tube. The impact prevention duct 300 is provided at the upper end of the bag body 100.

A main flow channel 310 and a plurality of branch flow channels 320 are provided in the impact prevention guide 300. The main flow passage 310 extends in the up-down direction. The primary channel 310 is provided at both ends thereof with a primary inlet 311 and a primary outlet 312. The main outlet 312 is communicated with the inside of the bag body 100, and the main inlet 311 is communicated with the drain pipe body 200.

The plurality of branch channels 320 are respectively disposed at left and right sides of the main channel 310 and are arranged at equal intervals in the vertical direction. The sub-runners 320 disposed on the left and right sides are staggered left and right in sequence at intervals.

The branch passage 320 is provided with a branch inlet 321 and a branch outlet 322. The main outlet 312, the branch inlet 321, the branch outlet 322 and the main inlet 311 are sequentially arranged. The branch inlet 321 and the branch outlet 322 are both communicated with the main flow passage 310 and face the main outlet 312, and the branch inlet 321 and the branch outlet 322 are communicated in a smooth transition manner.

In this embodiment, the impact prevention duct 300 is provided with a flow guide 330 having a lower tip and an upper width. The main flow channel 310 and the sub flow channels 320 are disposed between the outer side of the guide part 330 and the inner wall of the impact prevention duct 300. The main flow channel 310 and the sub flow channels 320 are respectively disposed at both sides of the flow guide part 330 in the left and right directions, and the sub inlets 321 are disposed at the lower end of the flow guide part 330.

In some embodiments, the primary outlet 312 of the shock tube 300 is in communication with the top of the pouch 100. The bottom of the bag body 100 is also provided with a drain pipe, and the drain pipe is provided with a drain valve 130.

In order to conveniently temporarily hang and fix the backflow-preventing drainage bag, in some embodiments, a strap 110 or a hook may be provided on the top of the bag body 100.

One end of the drainage tube body 200 is communicated with the impact-resistant catheter 300, the other end of the drainage tube body is provided with a plug 210, the plug 210 is used for being matched and connected with an external body fluid eduction tube, and a protective sleeve is detachably sleeved outside the plug 210.

In some embodiments, one or two opposite sides of the bag body 100 are provided with a metering graduation mark 120 arranged along the height direction. The arrangement along the height direction means that the bag body 100 is freely suspended, and the liquid level of the drainage liquid in the bag body 100 can be flush with one of the metering scale marks 120.

Referring to fig. 1 to 4, in the process of conducting drainage using the backflow prevention drainage bag of the present invention:

referring to fig. 3, when the drainage fluid flows from the drainage tube body 200 into the pouch body 100 through the impact prevention tube 300, the impact prevention tube 300 provides almost no resistance to the flow of the drainage fluid, except for surface friction, and the drainage fluid can smoothly flow through the main inlet 311 and the main outlet 312 in sequence and flow into the pouch body 100. When the bag body 100 is pressed by mistake, such as when the bag body 100 is pressed by the wheelchair with equal pressure, the pressure in the bag body 100 is increased suddenly, so that the drainage liquid can backflush and flow back to gush from the main outlet 312. Referring to fig. 4, at this time, the drainage fluid in the backflushing counterflow is naturally shunted at the branch inlets 321 and flows along the main channel 310 and the branch channels 320, respectively, and when the drainage fluid in the branch channels 320 flows out from the branch outlets 322, the drainage fluid and the drainage fluid in the main channel 310 form a counterpulsation, so that the impact force of the drainage fluid in the main channel 310 is weakened. The plurality of sub-channels 320 are sequentially and continuously operated, so that the backflushing countercurrent drainage fluid is hardly ejected from the main inlet 311.

In some embodiments, the drainage tube body 200 is provided with a hand-pinch negative pressure drainage device 220. The hand-pinch type negative pressure drainage device 220 comprises a hand-pinch type negative pressure suction ball 221 and one-way valves 222 arranged at two ends of the hand-pinch type negative pressure suction ball 221. By squeezing the hand-pinch type negative pressure suction ball 221, drainage fluid can be squeezed from the inside of the hand-pinch type negative pressure suction ball 221 to the bag body 100; and the drainage liquid at the upstream end of the drainage tube body 200 is sucked into the hand-pinch type negative pressure suction ball 221 by the plastic restoring force of the hand-pinch type negative pressure suction ball 221.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides an anti-reflux drainage bag which characterized in that: the method comprises the following steps: a bag body (100), a drainage tube body (200) and an anti-impact catheter (300);

a main runner (310) and a sub-runner (320) are arranged in the impact-proof guide pipe (300);

a main inlet (311) and a main outlet (312) are arranged at two ends of the main flow channel (310), the main outlet (312) is communicated with the interior of the bag body (100), and the main inlet (311) is communicated with the drainage tube body (200);

the flow distribution channels (320) are multiple, the flow distribution channels (320) are arranged along the trend of the main flow channel (310), the flow distribution channels (320) are provided with branch inlets (321) and branch outlets (322), the main outlets (312), the branch inlets (321), the branch outlets (322) and the main inlets (311) are sequentially arranged, the branch inlets (321) and the branch outlets (322) are communicated with the main flow channel (310) and face the main outlets (312), and the branch inlets (321) and the branch outlets (322) are communicated in a smooth transition mode.

2. The anti-reflux drainage bag according to claim 1, wherein: the extension direction of the main runner (310) is the up-down direction, the main inlet (311) is arranged above the main outlet (312), and the plurality of sub-runners (320) are respectively arranged on the left side and the right side of the main runner (310) and are arranged at equal intervals along the up-down direction.

3. The anti-reflux drainage bag according to claim 2, wherein: the sub-runners (320) arranged on the left side and the right side are sequentially arranged in a staggered manner.

4. The anti-reflux drainage bag according to claim 1, wherein: with the extending direction of sprue (310) is upper and lower direction, main import (311) and main export (312) are located respectively the upper and lower both ends of protecting against shock pipe (300), the inside of protecting against shock pipe (300) is equipped with down the point and goes up wide water conservancy diversion portion (330), sprue (310) and subchannel (320) are located respectively the both sides of water conservancy diversion portion (330) left and right sides direction, branch import (321) are located the lower extreme of water conservancy diversion portion (330).

5. The anti-reflux drainage bag according to claim 1, wherein: the main outlet (312) is arranged at the top of the bag body (100), and a liquid discharge pipe and/or a liquid discharge valve (130) are/is further arranged at the bottom of the bag body (100).

6. The anti-reflux drainage bag according to claim 1, wherein: the top of the bag body (100) is provided with a binding band (110) and/or a hook.

7. The anti-reflux drainage bag according to claim 1, wherein: one side or two sides of the bag body (100) are provided with metering scale marks (120) arranged along the height direction.

8. The anti-reflux drainage bag according to claim 1, wherein: one end of the drainage tube body (200) is communicated with the impact-resistant catheter (300), the other end of the drainage tube body is provided with a plug connector (210), the plug connector (210) is used for being connected with a body fluid eduction tube of an external device in a matching mode, and a protective sleeve is detachably sleeved on the outer side of the plug connector (210).

9. The anti-reflux drainage bag according to claim 1, wherein: drainage tube body (200) are equipped with hand formula negative pressure drainage ware (220) of holding between the fingers, hand formula negative pressure drainage ware (220) are held between the fingers including hand formula negative pressure suction ball (221) and are located check valve (222) at hand formula negative pressure suction ball (221) both ends.