CN108888820B

CN108888820B - Paediatrician is with paediatrics negative pressure gastric lavage device

Info

Publication number: CN108888820B
Application number: CN201810798012.1A
Authority: CN
Inventors: 郑华月
Original assignee: First Affiliated Hospital of Nanyang Medical College
Current assignee: First Affiliated Hospital of Nanyang Medical College
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2020-10-16
Anticipated expiration: 2038-07-19
Also published as: CN108888820A; CN111973831A; CN111973830A

Abstract

The invention discloses a pediatric negative-pressure gastric lavage device for pediatricians, which comprises a bottom plate, a gastric lavage fluid storage tank and a dirty fluid tank, wherein the top of the bottom plate is fixedly connected with a box body, a fixed groove is formed in the front surface of the box body, two sides of the bottom of the inner wall in the fixed groove are respectively and fixedly connected with a mounting plate, the bottoms of the gastric lavage fluid storage tank and the dirty fluid tank are respectively and fixedly connected with a mounting frame, and two sides of the top of the mounting frame are respectively provided with a mounting hole. This paediatrics doctor is with paediatrics negative pressure gastric lavage device has made things convenient for medical personnel to fully wash gastric lavage jar and foul solution jar on the gastric lavage equipment greatly, fine alleviateed medical personnel's work burden, realized not only quick but also convenient with gastric lavage jar and foul solution jar follow gastric lavage equipment dismantlement get off and fully wash, reached and carried out the purpose of separation dismantlement formula design to gastric lavage jar and foul solution jar and gastric lavage equipment to medical personnel's cleaning work to gastric lavage equipment has been made things convenient for greatly.

Description

Paediatrician is with paediatrics negative pressure gastric lavage device

Technical Field

The invention relates to the technical field of medical equipment, in particular to a pediatric negative-pressure gastric lavage device for a pediatrician.

Background

The gastric lavage is to inject liquid with certain components into the gastric cavity, mix the gastric contents and then draw out, and repeat the operation for many times, in order to remove the non-absorbed poison in the stomach or clean the gastric cavity, the gastric lavage is clinically used for the preparation before gastric surgery and examination, and for acute poisoning such as swallowing organophosphorus, inorganic phosphorus, alkaloid, barbiturate and the like in a short time, the gastric lavage is an important rescue measure, and two methods are generally used for gastric lavage, namely emetic gastric lavage: the vomiting is the instinctive self-defense reaction of the human body for eliminating the poison in the stomach, and is an effective self-rescue and mutual rescue measure for acute poisoning patients who take the poison soon and are conscious in consciousness due to the simple and easy vomiting-promoting gastrolavage; secondly, gastric lavage: the stomach tube is inserted from the nasal cavity or the oral cavity, the stomach tube reaches the stomach through the esophagus, firstly, poison is sucked out and then injected into gastric lavage liquid, and the content in the stomach is discharged, so that the purpose of eliminating the poison is achieved, a patient taking the poison orally is required to insert the stomach tube for gastric lavage as early as possible under the condition without time limitation, for the patient taking a large amount of poison within 4-6 hours, the gastric lavage method is preferred because the detoxification effect is good and the complications are relatively few, at present, when the medical staff carries out gastric lavage treatment on the pediatric patient, the stomach is required to be thoroughly cleaned through the stomach tube, the content or irritants in the stomach are removed, the poison is prevented from being absorbed, and the gastric lavage tank and a liquid tank are required to be thoroughly cleaned after the gastric lavage is finished so as to be reused.

The lavage jar and the foul solution jar on the present lavage equipment are mostly with the not detachable of lavage equipment body design, however, very be unfavorable for medical personnel to fully wash lavage jar and foul solution jar on the lavage equipment like this, medical personnel all need spend a large amount of times to wash lavage jar and foul solution jar at every turn, greatly increased medical personnel's work burden, medical personnel's work efficiency has been reduced, can not realize not only quick but also convenient dismantlement from the lavage equipment with lavage jar and foul solution jar and carry out abundant washing, can't reach and carry out the purpose of separation dismantlement formula design to lavage jar and foul solution jar and lavage equipment, thereby bring very big inconvenience for medical personnel to the cleaning work of lavage equipment.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a pediatric negative-pressure gastric lavage device for pediatricians, which solves the problems that most of gastric lavage tanks and foul solution tanks on the existing gastric lavage equipment are designed integrally with gastric lavage equipment and are not detachable, so that medical workers are not facilitated to fully clean the gastric lavage tanks and the foul solution tanks on the gastric lavage equipment, and the gastric lavage tanks and the foul solution tanks cannot be quickly and conveniently detached from the gastric lavage equipment for full cleaning.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: paediatrics doctor uses paediatrics negative pressure gastric lavage device, including bottom plate, gastric juice storage tank and foul solution jar, the top fixedly connected with box of bottom plate, the fixed slot has been seted up in the front of box, the both sides of fixed slot inner wall bottom are fixedly connected with the mounting panel respectively, the bottom of gastric juice storage tank and foul solution jar all is fixedly connected with the mounting bracket, the mounting hole has all been seted up to the both sides at mounting bracket top, the joint groove has all been seted up to the inside of mounting bracket and the both sides that are located the mounting hole, the inner wall in joint groove passes through joint spring fixedly connected with T shape dop, one side that the joint spring was kept away from to T shape dop runs through the joint groove and extends to the inside of mounting hole, the inside of mounting hole has run through the inserted bar, the draw-in groove with T shape dop looks adaptation has all been seted up to the both sides of inserted, the inside of mounting panel and the both sides that are located the mounting groove have all seted up the extrusion groove, the inner wall in extrusion groove is through extrusion spring fixedly connected with T shape extrusion head, one side that extrusion spring was kept away from to T shape extrusion head runs through the extrusion groove and extends to the inside of mounting groove, and the cylindrical fixed block of bottom fixedly connected with of mounting groove inner wall, ring groove has been seted up to the surface of cylindrical fixed block, the surface of cylindrical fixed block and the top that is located ring groove have seted up the guide way.

Preferably, the mounting groove is run through and the inside that extends to the mounting groove in the bottom of inserted bar, the bottom of inserted bar set up with the recess of cylindrical fixed block looks adaptation, and the dop of the equal fixedly connected with in both sides and the ring groove looks adaptation of recess inner wall.

Preferably, the both sides at installing frame top and the surface that is located the inserted bar all through the T type pressure head that connecting spring fixedly connected with and T type dop looks adaptation, the inside of mounting hole is run through and extends to the bottom of T type pressure head.

Preferably, the top of mounting bracket just is located the equal fixedly connected with L type stopper in both sides of inserted bar, and the dashpot has been seted up at the top of L type stopper, the inner wall of dashpot passes through connecting spring fixedly connected with L type gag lever post.

Preferably, the both sides at gastric juice holding vessel top all communicate there are feed liquor pipe and drain pipe, and the both sides intercommunication at sump tank top has a blowdown pipe and a negative pressure pipe, the one end of keeping away from the gastric juice holding vessel of drain pipe and the one end of taking out the blowdown pipe and keeping away from the sewage tank all communicate there is the tee junction head, and the bottom intercommunication of tee junction head has a gastric tube, the inside fixed mounting of feed liquor pipe has the electromagnetism feed liquor valve, and the inside fixed mounting of drain pipe has the electromagnetism drain valve, the inside fixed mounting of taking out the blowdown pipe has the electromagnetism flowing back valve.

Preferably, the bottom fixedly connected with liquid reserve tank of box inner wall, and one side intercommunication of liquid reserve tank has the liquid feeding pipe, the bottom fixedly connected with drawing liquid pump of liquid reserve tank inner wall, the both sides at fixed slot inner wall top fixed mounting respectively have first pipe connection head and second pipe connection head, the liquid outlet of drawing liquid pump passes through the top intercommunication of catheter and first pipe connection head.

Preferably, the inner wall of the box body is fixedly connected with a negative pressure pump, an air inlet of the negative pressure pump is communicated with the second pipeline connector through an air guide pipe, and an air outlet of the negative pressure pump is communicated with an air outlet pipe.

Preferably, the one end and the first pipe connection head bottom intercommunication of keeping away from the gastric juice holding vessel of feed liquor pipe, and the negative pressure pipe is kept away from the one end of sewage liquid jar and the bottom intercommunication of second pipe connection head.

Preferably, a control switch is fixedly mounted at the top of the front face of the box body, and a controller is fixedly connected to one side of the inner wall of the box body.

(III) advantageous effects

The invention provides a pediatric negative pressure gastric lavage device for pediatricians. Compared with the prior art, the method has the following beneficial effects:

(1) the pediatric negative pressure gastric lavage device for the pediatrician is characterized in that mounting plates are fixedly connected to two sides of the bottom of the inner wall of a fixing groove respectively, mounting frames are fixedly connected to the bottoms of a gastric lavage liquid storage tank and a sewage tank respectively, and then the gastric lavage tank and the sewage tank are arranged in a matched manner through mounting holes, clamping grooves, T-shaped clamping heads, inserting rods, clamping grooves, mounting grooves, extruding grooves, T-shaped extruding heads, cylindrical fixing blocks, annular clamping grooves, guide grooves, clamping heads and T-shaped pressing heads respectively, so that the gastric lavage tank and the sewage tank on the gastric lavage device can be cleaned in a separated and detachable manner without spending a large amount of time on the gastric lavage tank and the sewage tank by medical staff, the work burden of the medical staff is well relieved, the work efficiency of the medical staff is improved, the gastric lavage tank and the sewage tank can be quickly and conveniently detached from the gastric lavage device for full cleaning, the purpose of separating and disassembling the gastric lavage tank and the sewage tank from the gastric lavage device is achieved, thereby greatly facilitating the cleaning work of medical personnel on the gastric lavage device.

(2) This paediatrics doctor is with paediatrics negative pressure gastric lavage device, through the equal fixedly connected with L type stopper in the both sides that just is located the inserted bar at the top of mounting bracket, and the dashpot has been seted up at the top of L type stopper, the rethread passes through coupling spring fixedly connected with L type gag lever post at the inner wall of dashpot, can realize carrying out fine spacing to T shape pressure head, prevent that T shape pressure head from freely dropping, and make the condition emergence of gastric lavage jar and foul solution jar installation failure, thereby the normal erection use of gastric lavage jar and foul solution jar has been guaranteed.

(3) This paediatrics doctor is with paediatrics negative pressure gastric lavage device has feed liquor pipe and drain pipe through all the intercommunication in the both sides at gastric lavage liquid holding vessel top, and the inside fixed mounting of feed liquor pipe has electromagnetism feed liquor valve, and the cooperation setting through electromagnetism drain valve, liquid reserve tank, drawing liquid pump and first pipe connection head respectively again can realize supplementing gastric lavage liquid to the gastric lavage jar to guaranteed to patient's circulation gastric lavage.

(4) This paediatrics doctor is with paediatrics negative pressure gastric lavage device has the drainage tube and negative pressure pipe through the both sides intercommunication at dirty liquid tank deck portion, and the inside fixed mounting who takes out the drainage tube has the electromagnetism flowing back valve, and the cooperation setting through second pipe connection head, negative pressure pump and outlet duct respectively of subdividing can realize producing the negative pressure in the dirty liquid tank to the realization is taken the washing liquid in the patient's stomach out.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 3 is a side view of the interior of the case of the present invention;

FIG. 4 is a cross-sectional view of a reservoir configuration of the present invention.

In the figure, 1 a bottom plate, 2 a gastric juice storage tank, 3 a sewage tank, 4 a box body, 5 a fixing groove, 6 a mounting plate, 7 a mounting rack, 8 a mounting hole, 9 a clamping groove, 10T-shaped clamping heads, 11 inserted rods, 12 clamping grooves, 13 a mounting groove, 14 an extrusion groove, 15T-shaped extrusion heads, 16 cylindrical fixing blocks, 17 an annular clamping groove, 18 a guide groove, 19 a groove, 20 clamping heads, 21T-shaped pressure heads, 22L-shaped limiting blocks, 23 a buffer groove, 24L-shaped limiting rods, 25 liquid inlet pipes, 26 liquid outlet pipes, 27 a sewage pumping pipe, 28 a negative pressure pipe, 29 a three-way connector, 30 a gastric lavage tube, 31 an electromagnetic liquid inlet valve, 32 an electromagnetic liquid outlet valve, 33 an electromagnetic liquid outlet valve, 34 a liquid storage tank, 35 a liquid adding pipe, 36 a liquid pumping pump, 37 a first pipeline connector, 38 a second pipeline connector, 39 a negative pressure pump, 40 a gas outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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. 1-4, an embodiment of the present invention provides a technical solution: paediatrics doctor is with paediatrics negative pressure gastric lavage device, comprising a bottom plate 1, a gastric juice storage tank 2 and a foul solution jar 3, both sides at the top of the gastric juice storage tank 2 are all communicated with a liquid inlet pipe 25 and a liquid outlet pipe 26, and both sides at the top of the foul solution jar 3 are communicated with a foul solution suction pipe 27 and a negative pressure pipe 28, one end of the liquid outlet pipe 26 far away from the gastric juice storage tank 2 and one end of the foul solution suction pipe 27 far away from the foul solution jar 3 are both communicated with a three-way connector 29, the three-way connector 29 can realize good bee connection of the three pipelines, the bottom of the three-way connector 29 is communicated with a gastric juice tube 30, the front section of the gastric juice tube 30 is fixedly connected with a smooth suction ball, medical personnel can conveniently insert the gastric juice tube 30 into the stomach of the patient, an electromagnetic liquid inlet valve 31 is fixedly installed inside the liquid inlet pipe 25, an electromagnetic liquid outlet valve 32, the top of the bottom plate 1 is fixedly connected with a box body 4, the bottom of the inner wall of the box body 4 is fixedly connected with a liquid storage box 34, one side of the liquid storage box 34 is communicated with a liquid adding pipe 35, the liquid adding pipe 35 is used for facilitating medical workers to add gastric juice into the liquid storage box 34, the bottom of the inner wall of the liquid storage box 34 is fixedly connected with a liquid pump 36, two sides of the top of the inner wall of the fixed groove 5 are respectively and fixedly provided with a first pipeline connector 37 and a second pipeline connector 38, the first pipeline connector 37 and the second pipeline connector 38 are used for realizing good sealing connection of the two pipelines, one end of the liquid inlet pipe 25, which is far away from the gastric juice storage tank 2, is communicated with the bottom of the first pipeline connector 37, one end of the negative pressure pipe 28, which is far away from the sewage liquid tank 3, is communicated with the bottom of the second pipeline connector 38, the liquid outlet of the liquid pump 36, an air inlet of the negative pressure pump 39 is communicated with the second pipeline connector 38 through an air duct, an air outlet of the negative pressure pump 39 is communicated with an air outlet pipe 40, a control switch 41 is fixedly installed at the top of the front surface of the box body 4, a controller 42 is fixedly connected to one side of the inner wall of the box body 4, the controller 42 is in the type of ARM9, the electromagnetic liquid inlet valve 31, the liquid pumping pump 36, the negative pressure pump 39, the electromagnetic liquid outlet valve 32, the electromagnetic liquid outlet valve 33, the control switch 41 and the controller 42 are electrically connected through conducting wires, the controller 42 can respectively control the electromagnetic liquid inlet valve 31, the liquid pumping pump 36, the negative pressure pump 39, the electromagnetic liquid outlet valve 32 and the electromagnetic liquid outlet valve 33 to work by operating the control switch 41, the front surface of the box body 4 is provided with a fixing groove 5, two sides of the bottom of the inner wall of the fixing groove 5 are respectively and fixedly connected with, mounting holes 8 are respectively formed in two sides of the top of the mounting frame 7, clamping grooves 9 are respectively formed in the mounting frame 7 and two sides of the mounting holes 8, a T-shaped clamping head 10 is fixedly connected to the inner wall of each clamping groove 9 through a clamping spring, one side, far away from the clamping spring, of each T-shaped clamping head 10 penetrates through each clamping groove 9 and extends into the corresponding mounting hole 8, an inserting rod 11 penetrates through the inside of each mounting hole 8, T-shaped pressing heads 21 matched with the T-shaped clamping heads 10 are fixedly connected to two sides of the top of the mounting frame 7 and the outer surfaces of the inserting rods 11 through connecting springs, L-shaped limiting blocks 22 are fixedly connected to the tops of the L-shaped limiting blocks 22, buffering grooves 23 are formed in the tops of the L-shaped limiting rods 24, the inner walls of the buffering grooves 23 are fixedly connected with the L-shaped limiting rods 24 through the connecting springs, the T-shaped pressing heads 21 can be well limited, the situation that the gastric lavage tank and the dirty liquid tank 3 are failed to be installed is caused, so that normal installation and use of the gastric lavage tank and the dirty liquid tank 3 are ensured, the bottom of the T-shaped pressure head 21 penetrates through the installation hole 8 and extends into the installation hole 8, the two sides of the inserted link 11 are both provided with clamping grooves 12 matched with the T-shaped clamping heads 10, the two sides of the top of the installation plate 6 are both provided with installation grooves 13 matched with the installation hole 8, the two sides of the installation plate 6, which are positioned in the installation groove 13, are both provided with extrusion grooves 14, the inner wall of the extrusion groove 14 is fixedly connected with a T-shaped extrusion head 15 through an extrusion spring, the T-shaped extrusion head 15 can extrude the clamping heads 20 into the annular clamping groove 17 well under the action of the extrusion spring, one side, far away from the extrusion spring, of the T-shaped extrusion head 15 penetrates through the extrusion groove 14 and extends into the installation groove 13, and, annular groove 17 has been seted up to cylindrical fixed block 16's surface, and cylindrical fixed block 16's surface and the top that is located annular groove 17 have seted up guide way 18, and the bottom of inserted bar 11 runs through mounting groove 13 and extends to the inside of mounting groove 13, and the bottom of inserted bar 11 seted up with the recess 19 of cylindrical fixed block 16 looks adaptation, and the dop 20 of the equal fixedly connected with in both sides of recess 19 inner wall and annular groove 17 looks adaptation.

When in use, the whole gastric lavage device is moved to a designated position, then medical staff can insert the gastric lavage tube 30 into the mouth of a patient until the gastric lavage tube is inserted into the stomach of the patient, then the medical staff can operate the control switch 41 to open the electromagnetic liquid outlet valve 32 to lead gastric lavage liquid in the gastric lavage liquid storage tank 2 into the stomach of the patient, when the gastric lavage liquid in the gastric lavage liquid storage tank 2 is insufficient, the medical staff can operate the control switch 41 to open the electromagnetic liquid inlet valve 31 and pump the gastric lavage liquid in the liquid storage tank 34 into the gastric lavage liquid storage tank 2 by the liquid pumping pump 36, then the medical staff can operate the control switch 41 to close the electromagnetic liquid outlet valve 32 to respectively open the electromagnetic liquid outlet valve 33, the negative pressure pump 39 starts to work, the negative pressure pump 39 can pump gas in the foul liquid tank 3 to generate negative pressure, the gastric lavage liquid in the stomach of the patient enters the foul liquid tank 3 through the foul tube, then the medical staff can close the negative pressure pump 39 and the electromagnetic liquid outlet valve, make electromagnetism play liquid valve 32 open once more and wash the stomach once more, repeated operation is many times until the gastric lavage liquid of taking out is limpid like this, can accomplish the gastric lavage, after the gastric lavage, medical personnel can press T shape pressure head 21 earlier, make T shape pressure head 21 extrude T shape dop 10 from draw-in groove 12, then medical personnel can rotate ninety degrees inserted bar 11, make dop 20 rotate to the position of guide way 18 in ring groove 17, later medical personnel can pull up inserted bar 11, make dop 20 follow slide-out in the guide way 18, then medical personnel directly take off gastric lavage liquid holding vessel 2 and foul solution jar 3, thereby realize carrying out fine dismantlement washing paediatrics gastric lavage liquid holding vessel 2 and foul solution jar 3, just so accomplished this paediatrics with whole working process of negative pressure gastric lavage device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Paediatrics doctor is with paediatrics negative pressure gastric lavage device, including bottom plate (1), gastric juice holding vessel (2) and foul solution jar (3), its characterized in that: the top of the bottom plate (1) is fixedly connected with a box body (4), the front of the box body (4) is provided with a fixing groove (5), two sides of the bottom of the inner wall of the fixing groove (5) are respectively and fixedly connected with a mounting plate (6), the bottoms of the gastric juice storage tank (2) and the foul solution tank (3) are respectively and fixedly connected with a mounting frame (7), two sides of the top of the mounting frame (7) are respectively provided with a mounting hole (8), clamping grooves (9) are respectively formed in the mounting frame (7) and positioned on two sides of the mounting holes (8), the inner wall of each clamping groove (9) is fixedly connected with a T-shaped clamping head (10) through a clamping spring, one side, far away from the clamping spring, of each T-shaped clamping head (10) penetrates through each clamping groove (9) and extends to the inside of each mounting hole (8), an inserting rod (11) penetrates through the inside of each inserting rod (11), two sides of each inserting rod (11) are respectively provided, mounting groove (13) with mounting hole (8) looks adaptation are all seted up to the both sides at mounting panel (6) top, extrusion groove (14) have all been seted up to the inside of mounting panel (6) and the both sides that are located mounting groove (13), extrusion head (15) are extruded through extrusion spring fixedly connected with T shape to the inner wall of extrusion groove (14), extrusion spring is kept away from in one side of T shape extrusion head (15) and is run through extrusion groove (14) and extend to the inside of mounting groove (13), and the cylindrical fixed block (16) of bottom fixedly connected with of mounting groove (13) inner wall, ring channel (17) have been seted up to the surface of cylindrical fixed block (16), guide way (18) have been seted up at the surface of cylindrical fixed block (16) and the top that is located ring channel (17).

2. The pediatric negative pressure gastric lavage device for pediatricians as claimed in claim 1 further comprising: the bottom of inserted bar (11) runs through mounting groove (13) and extends to the inside of mounting groove (13), recess (19) with cylindrical fixed block (16) looks adaptation are seted up to the bottom of inserted bar (11), and dop (20) of the equal fixedly connected with in both sides of recess (19) inner wall and ring groove (17) looks adaptation.

3. The pediatric negative pressure gastric lavage device for pediatricians as claimed in claim 1 further comprising: the utility model discloses a T type pressure head, including mounting bracket (7), the surface of both sides at mounting bracket (7) top and being located inserted bar (11) all through connecting spring fixedly connected with and T type dop (10) looks adaptation T type pressure head (21), the inside of mounting hole (8) and extending to mounting hole (8) is run through to the bottom of T type pressure head (21).

4. The pediatric negative pressure gastric lavage device for pediatricians as claimed in claim 1 further comprising: the top of mounting bracket (7) just is located the equal fixedly connected with L type stopper (22) in both sides of inserted bar (11), and buffer slot (23) have been seted up at the top of L type stopper (22), the inner wall of buffer slot (23) passes through connecting spring fixedly connected with L type gag lever post (24).

5. The pediatric negative pressure gastric lavage device for pediatricians as claimed in claim 1 further comprising: the both sides at wash-gastric juice holding vessel (2) top all communicate has feed liquor pipe (25) and drain pipe (26), and the both sides intercommunication at sewage tank (3) top has suction dirty pipe (27) and negative pressure pipe (28), the one end of keeping away from wash-gastric juice holding vessel (2) of drain pipe (26) and the one end of keeping away from sewage tank (3) of suction dirty pipe (27) all communicate has tee bend connector (29), and the bottom intercommunication of tee bend connector (29) has lavage tube (30), the inside fixed mounting of feed liquor pipe (25) has electromagnetism feed liquor valve (31), and the inside fixed mounting of drain pipe (26) has electromagnetism drain valve (32), the inside fixed mounting of suction dirty pipe (27) has electromagnetism flowing back valve (33).

6. The pediatric negative pressure gastric lavage device for pediatricians as claimed in claim 1 further comprising: the bottom fixedly connected with liquid reserve tank (34) of box (4) inner wall, and one side intercommunication of liquid reserve tank (34) have liquid feeding pipe (35), the bottom fixedly connected with drawing liquid pump (36) of liquid reserve tank (34) inner wall, the both sides at fixed slot (5) inner wall top fixed mounting respectively have first pipe connection head (37) and second pipe connection head (38), the liquid outlet of drawing liquid pump (36) passes through the top intercommunication of catheter and first pipe connection head (37).

7. The pediatric negative pressure gastric lavage device for pediatricians as claimed in claim 1 further comprising: the inner wall fixedly connected with negative pressure pump (39) of box (4), and the air inlet of negative pressure pump (39) passes through air duct and second pipe connection head (38) intercommunication, the gas outlet intercommunication of negative pressure pump (39) has outlet duct (40).

8. The pediatric negative pressure gastric lavage device for pediatricians as claimed in claim 5 further comprising: the one end and the first pipe connector (37) bottom intercommunication of keeping away from gastric juice holding vessel (2) of feed liquor pipe (25), and the one end that sewage liquid jar (3) was kept away from in negative pressure pipe (28) and the bottom intercommunication of second pipe connector (38).

9. The pediatric negative pressure gastric lavage device for pediatricians as claimed in claim 1 further comprising: the top of the front surface of the box body (4) is fixedly provided with a control switch (41), and one side of the inner wall of the box body (4) is fixedly connected with a controller (42).