CN215653325U

CN215653325U - Backflow-preventing gastric lavage tube

Info

Publication number: CN215653325U
Application number: CN202121354677.7U
Authority: CN
Inventors: 姚喜; 薛兰芳; 张琰; 周明君; 周雅英; 梁海珍; 黄�俊
Original assignee: Jiangbin Hospital Of Guangxi Zhuang Autonomous Region Third People's Hospital Of Guangxi Zhuang Autonomous Region And Guangxi Rehabilitation Medical Health Care Center
Current assignee: Jiangbin Hospital Of Guangxi Zhuang Autonomous Region Third People's Hospital Of Guangxi Zhuang Autonomous Region And Guangxi Rehabilitation Medical Health Care Center
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-28
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses an anti-reflux lavage tube, which comprises a lavage tube body, wherein the front end of the lavage tube body is provided with a top hole and a plurality of side holes, the peripheral side wall of the middle part of the lavage tube body is provided with a first air bag, the peripheral side wall of the front end of the lavage tube body close to the side holes is provided with a second air bag, the second air bag is positioned between the first air bag and the side holes, and the second air bag is communicated with a second catheter extending to the rear part of the lavage tube body so as to realize the filling of gas into the second air bag or the discharge of gas in the second air bag. According to the utility model, the second air bag is arranged between the side hole and the first air bag, so that the side hole of the gastric lavage tube body can be accurately and completely placed in the stomach on the basis of realizing anti-reflux, and simultaneously, the stimulation of negative pressure to the gastric mucosa is reduced by a buoyancy swimming mode when the second air bag is expanded, and the discomfort in the gastric lavage process is reduced.

Description

Backflow-preventing gastric lavage tube

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an anti-reflux lavage tube.

Background

The lavage is a common clinical emergency measure, and is a lavage method for inserting a lavage tube into the stomach to repeatedly inject and suck a certain amount of solution to discharge all stomach contents in the stomach as far as possible so as to clean the stomach urgently and thoroughly. In the gastric lavage process, due to rapid expansion and contraction of the stomach, poison stimulation, paralysis of sphincter at the lower end of the esophagus and incomplete cardiac closure, the phenomenon of backflow and aspiration of gastric contents easily occurs; causing aspiration pneumonia, and even asphyxia caused by large amount of gastric contents flowing back to trachea; this is life threatening to the patient. In clinic, the aspiration is reduced by changing the body position, reducing the perfusion volume and intermittently performing gastric lavage; however, these measures are not effective in improving gastric lavage reflux. To the problem, people have designed some anti-reflux lavage tubes, and the mainstream pattern is to set up the gasbag on the peripheral lateral wall at lavage tube middle part, through aerifing so that the gasbag bloates and blocks up the esophagus temporarily in order to prevent to flow backwards in the gasbag. However, the existing anti-reflux lavage tube still has some problems, such as difficulty in accurately judging whether the side hole at the front end of the lavage tube completely enters the stomach or not in the use process, difficulty in judging the expansion condition of the air bag, incapability of evaluating the intra-gastric pressure and esophageal pressure of a patient and great influence on the safety of the patient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects, the utility model provides an anti-reflux lavage tube which can solve the problem that the existing lavage tube is difficult to accurately judge whether the side hole at the front end of the lavage tube completely enters the stomach.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent countercurrent lavage tube, including the lavage tube body, a apical pore and a plurality of side opening have been seted up to the front end of lavage tube body, be provided with first gasbag on the middle part periphery lateral wall of lavage tube body, first gasbag intercommunication has the first pipe that extends to lavage tube body rear portion in order to realize filling gas or with the gaseous discharge in the first gasbag toward first gasbag, be provided with the second gasbag on the periphery lateral wall that the front end of lavage tube body is close to side opening position department, the second gasbag is located between first gasbag and the side opening, second gasbag intercommunication has the second pipe that extends to lavage tube body rear portion in order to realize filling gas or with the gaseous discharge in the second gasbag toward the second gasbag.

Further, the second airbag is a spherical airbag.

Furthermore, the first catheter and the second catheter are respectively arranged or embedded in the side wall of the lavage tube body at the parts close to the first air bag and the second air bag; or the parts of the first catheter and the second catheter close to the first air bag and the second air bag are respectively attached to the outer side wall of the lavage tube body.

Furthermore, the first catheter and the second catheter are respectively provided with a blocking part for temporarily blocking the ports of the first catheter and the second catheter at the ports far away from the first balloon or the second balloon; or the first conduit and the second conduit are respectively provided with a control valve used for temporarily blocking the first conduit and the second conduit at the end parts far away from the first balloon or the second balloon.

Further, the first air bag is a cylindrical air bag.

Further, the outer side walls of the first catheter and the second catheter at the end parts far away from the first air bag or the second air bag are respectively provided with pressure measuring air bags, and the pressure measuring air bags are respectively communicated with the first catheter or the second catheter.

Further, the first catheter and the second catheter are respectively provided with an identification label.

Furthermore, a temperature-sensitive color-changing part is arranged at the rear end part of the lavage tube body.

Further, the distance between the second balloon and the nearest side hole is 1-2 cm.

Furthermore, the lavage tube body is provided with a compression-resistant reinforcing layer at the part connected with the first air bag and the second air bag.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the second air bag is arranged between the side hole and the first air bag, so that the side hole of the gastric lavage tube body can be accurately and completely placed in the stomach on the basis of realizing anti-reflux, and simultaneously, the stimulation of negative pressure to the gastric mucosa is reduced by a buoyancy swimming mode when the second air bag is expanded, and the discomfort in the gastric lavage process is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic structural view of the present invention (when the balloon is not inflated);

fig. 2 is a schematic structural view of the present invention (when the balloon is inflated).

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. 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 invention.

Referring to fig. 1 and 2, a preferred embodiment of the present invention provides an anti-reflux lavage tube. The anti-reflux lavage tube comprises a lavage tube body 10, the lavage tube body 10 can refer to materials of commonly used lavage tubes, and the peripheral side wall of the lavage tube body 10 is provided with scales extending along the axial direction of the lavage tube body 10 so as to help medical staff to roughly and intuitively know the length of the lavage tube body 10 inserted or pulled out. The front end of the lavage tube body 10 is provided with a top hole 11 and a plurality of side holes 12 for realizing liquid discharge or liquid suction. The front end of the lavage tube body 10 is rounded for convenient intubation and reducing the discomfort of the patient. In this preferred embodiment, the apical pore 11 is opened in the front end terminal surface department of lavage tube body 10, and the preceding tip at lavage tube body 10 is opened to side hole 12, and the side hole is four, on two liang of one sides, corresponds the both sides that set up respectively in the preceding tip of lavage tube body 10, and misplaces the setting mutually, and apical pore 11 is the round hole, and side hole 12 is the elliptical aperture, and the elliptical aperture helps side hole 12 to realize the negative pressure dispersion, helps flowing back or imbibition. The rear end of the lavage tube body 10 is provided with a joint 14 for connecting with a gastric lavage machine, a gastric perfusion device and the like. Be provided with first gasbag 30 on the middle part periphery lateral wall of lavage tube body 10, first gasbag 30 intercommunication has the first pipe 31 that extends to lavage tube body 10 rear portion in order to realize filling gas or discharging the gas in first gasbag 30 toward first gasbag internal filling, also be through setting up first pipe 31, can toward the gas of first gasbag 30 internal filling gas or discharging first gasbag 30, preferably, first gasbag 30 is cylindric gasbag, also be cylindricly when first gasbag 30 inflates the gas and expands, thereby can block up the esophagus better, first gasbag 30's axial length is about 6cm, in order to help realizing good jam. The second air bag 20 is arranged on the outer peripheral side wall of the position, close to the side hole 12, of the front end of the lavage tube body 10, the second air bag 20 is located between the first air bag 30 and the side hole 12, preferably, the distance between the second air bag 20 and the nearest side hole 12 is 1-2cm, the second air bag 20 is communicated with a second conduit 21 extending to the rear part of the lavage tube body 10 so as to realize that the second air bag 20 is filled with gas or the gas in the second air bag 20 is discharged, namely, by arranging the second conduit 21, the gas in the second air bag 20 can be filled with gas or discharged.

The following is a specific implementation of the preferred embodiment:

the first step is as follows: checking the integrity of the lavage tube body 10 and other parts, filling gas into the lavage tube body from the ports of the first conduit 31 and the second conduit 21 by using a 50ml syringe or other inflating instruments, checking the swelling condition of the first balloon 30 and the second balloon 20, checking whether gas leaks or not to check the integrity of the first balloon 30 and the second balloon 20, and exhausting the gas in the first balloon 30 and the second balloon 20 as far as possible after the checking is finished;

the second step is that: evenly smearing paraffin oil at the front end of the lavage tube body 10, inserting the front end of the lavage tube body 10 into oropharynx through mouth or nose, and extending into stomach along esophagus; connecting a connector 14 at the rear end of the lavage tube body 10 by using an irrigator, and withdrawing gastric juice from the rear end of the lavage tube body 10 to prove that the front end of the lavage tube body 10 is in the stomach;

the third step: then the lavage tube body 10 is inserted into the tube body by 10cm, and the syringe or other inflating devices are used for inflating gas from the port of the second catheter 21 so as to expand the second air bag 20, and simultaneously, the condition of the patient is closely observed to check whether the patient is uncomfortable or not;

the fourth step: the lavage tube body 10 is slightly pulled out until the lavage tube body can not be pulled back continuously, and then is inserted inwards for 3cm, so that the side hole 12 of the lavage tube body 10 can be ensured to completely enter the stomach; inflating gas from the port of the first catheter 31 by using a syringe or other inflating device to expand the first balloon 30 and completely close the esophagus to avoid reflux caused by gastrospasm or cardiac insufficiency during gastric lavage;

the fifth step: after the lavage tube body is fixed well, the lavage tube body is connected with a gastric lavage machine through a connector 14 and is used for gastric lavage.

Through the anti-reflux lavage tube and the use method thereof, the second air bag 20 is arranged, the side hole 12 of the lavage tube body 10 can be accurately and completely placed in the stomach, and meanwhile, the first air bag 30 blocks the second narrow part of the esophagus, so that the risk of backflow and aspiration of a patient is reduced; meanwhile, due to the arrangement of the second air bag 20, stimulation of negative pressure to gastric mucosa is reduced in a floating swimming mode when the second air bag 20 is inflated, and discomfort in the gastric lavage process is reduced.

After completion of the lavage, the gas in the first and

second balloons

30 and 20 is evacuated, at which time the anti-reflux lavage tube of the present invention can be withdrawn. The first balloon 30 and the second balloon 20 can be deflated in a way that the ports of the first catheter 31 and the second catheter 21 are communicated with the outside for passive deflation, and the first balloon 30 and the second balloon 20 can be deflated under pressure to be contracted and taken out during the process of slowly pulling out the lavage tube body 10; or can be removed by actively evacuating the gas within first and

second bladders

30, 20 to deflate using a syringe or other evacuation device.

In a preferred embodiment, the second balloon 20 is a spherical balloon, preferably spherical or elliptical. When the spherical air bag is expanded, the end part of the spherical air bag is provided with the arc-shaped side surface, so that smooth contact can be realized when the spherical air bag is in contact with the cardia, the gastric lavage tube body 10 is prevented from being pulled back to hurt the stomach, and meanwhile, the stimulation of negative pressure to gastric mucosa is reduced by utilizing the floating force of the spherical air bag, and the discomfort in the gastric lavage process is reduced.

Further, the first catheter 31 and the second catheter 21 are embedded in the side wall of the lavage tube body 10 at portions near the first balloon 30 and the second balloon 20, respectively, so that the first catheter 31 and the second catheter 21 at these portions do not leak out of the lavage tube body 10, hindering the operation. Of course, the first catheter 31 and the second catheter 21 can be provided in the side wall of the lavage tube body 10 in the form of holes in the side wall of the lavage tube body 10 at the portions near the first balloon 30 and the second balloon 20. In other preferred embodiments, the first catheter 31 and the second catheter 21 are respectively attached to the outer side wall of the lavage tube body 10 at the portions close to the first balloon 30 and the second balloon 20, the first catheter 31 and the second catheter 21 at the portions are closely attached to the outer side wall of the lavage tube body 10, the operation is not greatly affected, and the first catheter 31 and the second catheter 21 are arranged on the outer side wall of the lavage tube body 10, so the first catheter 31 and the second catheter 21 are simpler to realize than the form of being buried or arranged in the side wall of the lavage tube body 10.

The lavage tube body 10 is provided with a compression-resistant reinforcing layer at the part connected with the first air bag 30 and the second air bag 20, and the compression-resistant reinforcing layer is thickened at the part connected with the first air bag 30 and the second air bag 20 of the lavage tube body 10 so as to obtain higher strength and prevent the lavage tube body 10 from being caved in and blocked when the first air bag 30 or the second air bag 20 is expanded.

After inflation of first catheter 31 or second catheter 21 to inflate first catheter 31 or second catheter 21, it is generally necessary to disconnect first catheter 31 or second catheter 21 from the syringe or other inflation device, at which time it is necessary to temporarily block the communication between first catheter 31 and second catheter 21 from the outside to prevent non-manual deflation of first balloon 30 or second balloon 20. Preferably, the first catheter tube 31 and the second catheter tube 21 are respectively provided with a blocking portion 40 for temporarily blocking the port of the first catheter tube 31 and the port of the second catheter tube 21 at a port far from the first balloon 30 or the second balloon 20, and the blocking portion 40 is in the form of a plug and is plugged into the port of the first catheter tube 31 or the second catheter tube 21 to block the port of the first catheter tube 31 or the second catheter tube 21, so that the gas in the first balloon 30 or the second balloon 20 cannot come out to keep the first balloon 30 or the second balloon 20 in the inflated state. When the gas in the first airbag 30 or the second airbag 20 needs to be exhausted, the blocking portion 40 is removed from the port of the corresponding first conduit 31 or second conduit 21, so that the gas in the first airbag 30 or the second airbag 20 can be exhausted from the port, but a syringe or other air extractor can be used to assist the air extraction to extract the gas in the first airbag 30 or the second airbag 20. In some preferred embodiments, the first conduit 31 and the second conduit 21 are respectively provided with a control valve for temporarily blocking the first conduit 31 and the second conduit 21 at the end far from the first balloon 30 or the second balloon 20, and the control valve is provided to replace the blocking portion 40 at the port to control the on/off of the first conduit 31 and the second conduit 21. Specifically, when the control valve is closed, the first conduit 31 or the second conduit 21 is disconnected at the control valve, and the first balloon 30 or the second balloon 20 cannot be inflated or deflated, and when the control valve is opened, the first conduit 31 or the second conduit 21 is conducted at the control valve, and the first balloon 30 or the second balloon 20 can be inflated or deflated.

In a preferred embodiment, the first catheter 31 and the second catheter 21 are provided with a pressure balloon 50 on the outer side wall at the end remote from the first balloon 30 or the second balloon 20, respectively, the pressure balloon 50 communicating with the first catheter 31 or the second catheter 21, respectively. That is, the first catheter tube 31 is provided with a pressure measuring balloon 50 on the outer side wall at the end far from the first balloon 30, and the pressure measuring balloon 50 on the first catheter tube 31 is communicated with the first catheter tube 31, so that when the first catheter tube 31 is ventilated, the pressure measuring balloon 50 on the first catheter tube 31 is also ventilated, and the pressure measuring balloon 50 is basically consistent with the pressure in the first balloon 30. Similarly, the outer side wall of the second catheter 21 at the end far from the second balloon 20 is also provided with a pressure measuring balloon 50, and the pressure measuring balloon 50 on the second catheter 21 is communicated with the second catheter 21, so that when the second catheter 21 is ventilated, the pressure measuring balloon 50 on the second catheter 21 is also ventilated, and the pressure measuring balloon 50 and the pressure in the second balloon 20 are basically consistent. In practice, when the first balloon 30 or the second balloon 20 is inflated, the pressure in the first balloon 30 or the second balloon 20 can be generally grasped by observing (e.g., observing the inflation condition of the pressure measuring balloon 50) and measuring (e.g., pressing by a pressure gauge or a human hand) the shape or pressure of the pressure measuring balloon 50 on the corresponding first catheter 31 or the corresponding second catheter 21, and the pressure in the first balloon 30 or the second balloon 20 can be grasped by observing and measuring the pressure in the balloon 50 because the pressure in the first balloon 30 or the second balloon 20 is consistent with the pressure in the pressure measuring balloon 50 on the corresponding first catheter 31 or the corresponding second catheter 21. If the first balloon 30 is inflated through the first catheter 31 to inflate the first balloon 30, the pressure measuring balloon 50 thereon or the pressure of the pressure measuring balloon 50 is measured, so as to roughly understand the inflation of the first balloon 30, when the pressure measuring balloon 50 is fully inflated, it can be concluded that the first balloon 30 is also fully inflated, or in the preferred embodiment, when the pressure measuring balloon 50 is measured to be about 10cmH2O, the first balloon 30 is determined to be inflated and the esophagus is blocked. Similarly, the second balloon 20 on the second catheter 21 can be implemented in the same manner. The pressure measuring air bag 50 is arranged to have the advantages that firstly, when the lavage tube body 10 is inserted, the first air bag 30 and the second air bag 20 cannot be directly observed, and then the pressure measuring air bag 50 can be arranged to approximately know the expansion condition of the first air bag 30 or the second air bag 20 when the first air bag 30 or the second air bag 20 is inflated in the process of adjusting the position of the lavage tube body 10 or after the adjustment; secondly, the pressure in the stomach and the pressure in the esophagus of the patient can be fed back to the second air bag 20 or the first air bag 30, and the pressure in the stomach and the pressure in the esophagus of the patient can be evaluated in real time in the gastric lavage process through the pressure measuring air bag 50, so that the safety of the patient is improved, the operation of clinical gastric lavage of medical personnel is facilitated, the respiratory function protection of the gastric lavage patient is facilitated, the gastric lavage complications are reduced, and the suffocation risk is reduced.

In order to distinguish the first conduit 31 from the second conduit 21 so as to accurately inflate or deflate the first balloon 30 or the second balloon 20, the first conduit 31 and the second conduit 21 are respectively provided with an identification label 60, so that the first conduit 31 and the second conduit 21 can be rapidly distinguished by the identification label 60, and the identification label 60 can be marked by different colors or different characters, numbers, signs and the like.

Rear end department of lavage tube body 10 is equipped with temperature-sensing color-changing portion 70, temperature-sensing color-changing portion 70 preferably adopts temperature-sensing color-changing pigment to coat in the rear end department of lavage tube body 10 and forms, temperature-sensing color-changing pigment is reversible type, show different colours under different temperatures, then the temperature of the lavage juice through lavage tube body 10 can conduct to temperature-sensing color-changing portion 70 and make temperature-sensing color-changing portion 70 discolour, the temperature of lavage juice that also feels color-changing portion 70 can feed back to a certain extent, carry out the feedback evaluation to lavage juice temperature through temperature-sensing color-changing portion 70, temperature is overheated when preventing to add the lavage juice, and cause the harm to patient's stomach, protect patient's safety conscientiously.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides an anti-reflux lavage tube, including lavage tube body (10), a apical pore (11) and a plurality of side opening (12) have been seted up to the front end of lavage tube body (10), be provided with first gasbag (30) on the middle part periphery lateral wall of lavage tube body (10), first gasbag (30) intercommunication has first pipe (31) that extend to lavage tube body (10) rear portion in order to realize filling gas or with the gaseous discharge in first gasbag (30) toward first gasbag (30), its characterized in that: the utility model discloses a lavage tube, including lavage tube body (10), lateral hole (12), second gasbag (20) are provided with on the peripheral lateral wall that the front end of lavage tube body (10) is close to lateral hole (12) position department, second gasbag (20) are located between first gasbag (30) and lateral hole (12), second gasbag (20) intercommunication has second pipe (21) that extend to lavage tube body (10) rear portion in order to realize filling gas or with the gas outgoing in second gasbag (20) toward second gasbag (20).

2. The anti-reflux lavage tube as claimed in claim 1, wherein: the second airbag (20) is a spherical airbag.

3. The anti-reflux lavage tube as claimed in claim 1, wherein: the first catheter (31) and the second catheter (21) are respectively arranged or embedded in the side wall of the lavage tube body (10) at the parts close to the first air bag (30) and the second air bag (20); or the first catheter (31) and the second catheter (21) are respectively attached to the outer side wall of the lavage tube body (10) at the parts close to the first balloon (30) and the second balloon (20).

4. The anti-reflux lavage tube as claimed in claim 1, wherein: the first catheter (31) and the second catheter (21) are respectively provided with a blocking part (40) for temporarily blocking the ports of the first catheter (31) and the second catheter (21) at the ports far away from the first balloon (30) or the second balloon (20); or the first conduit (31) and the second conduit (21) are respectively provided with a control valve used for blocking the first conduit (31) and the second conduit (21) temporarily at the end part far away from the first balloon (30) or the second balloon (20).

5. The anti-reflux lavage tube as claimed in claim 1, wherein: the first air cell (30) is a cylindrical air cell.

6. The anti-reflux lavage tube as claimed in claim 1, wherein: the outer side walls of the first catheter (31) and the second catheter (21) at the end parts far away from the first balloon (30) or the second balloon (20) are respectively provided with a pressure measuring balloon (50), and the pressure measuring balloons (50) are respectively communicated with the first catheter (31) or the second catheter (21).

7. The anti-reflux lavage tube as claimed in claim 1, wherein: the first conduit (31) and the second conduit (21) are respectively provided with an identification label (60).

8. The anti-reflux lavage tube as claimed in claim 1, wherein: the rear end part of the lavage tube body (10) is provided with a temperature-sensitive color-changing part (70).

9. The anti-reflux lavage tube as claimed in claim 1, wherein: the distance between the second air bag (20) and the nearest side hole (12) is 1-2 cm.

10. The anti-reflux lavage tube as claimed in claim 1, wherein: the lavage tube body (10) is provided with a compression-resistant reinforcing layer at the part connected with the first air bag (30) and the second air bag (20).