CN112169054A

CN112169054A - Pneumatic gastric lavage device for digestive system department

Info

Publication number: CN112169054A
Application number: CN201910597985.3A
Authority: CN
Inventors: 郭康洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2021-01-05

Abstract

The invention discloses a pneumatic gastric lavage device for digestive system department, which comprises a bottom plate, wherein a piston cylinder is vertically and fixedly arranged on the bottom plate, a rubber piston body is arranged in the piston cylinder, a cylindrical air bag is vertically and fixedly arranged between the rubber piston body and the bottom plate, the cylindrical air bag is provided with a first small air pump, an air port of the first small air pump is fixedly communicated with the bottom end of the cylindrical air bag, a gastric catheter is fixedly arranged at the upper end of the piston cylinder, a connector is arranged at the tail end of the gastric catheter, a disc-shaped balloon is arranged on the outer wall of the connector, and the inner end of an air pipe is inserted into the inner side of the upper end. The second small-sized air pump inflates the disk-shaped balloon at the end of the gastric catheter inserted into the stomach of the patient through the trachea, so that the disk-shaped balloon is expanded to form a disk, and the patient is kept in a sitting state, so that gastric lavage liquid medicine injected along the gastric catheter flows out from the nozzle at the tail end of the gastric catheter to the four sides and flows to the inner wall of the stomach along the side wall of the disk-shaped balloon.

Description

Pneumatic gastric lavage device for digestive system department

Technical Field

The invention relates to the technical field of gastrolavage in the digestive system department, in particular to a pneumatic gastrolavage device for the digestive system department.

Background

Gastric lavage refers to the process of pouring a liquid medicine with a certain composition into the stomach cavity, mixing the contents in the stomach and then extracting the mixture, and repeating the process for many times. The purpose is to eliminate unabsorbed poison in the stomach or clean the stomach cavity, and the utility model is clinically used for preparing before stomach operation and examination.

The conventional gastric lavage devices have the following disadvantages:

the spraying hole that the tip of the pipe that general lavage inserted was seted up is in the direction of advance of pipe, and when filling liquid medicine, the liquid medicine generally all directly flows to the bottom of stomach, then slowly gathers and rises, just can contact the lateral wall in stomach inside top, washs the lateral wall in stomach inside top, will need to fill a large amount of liquid medicine like this, needs to spend certain time, prolongs patient's painful time to generally pour into the liquid medicine not good controlled quantity, easily too much or too little.

Disclosure of Invention

The invention aims to provide a pneumatic gastric lavage device for digestive system department, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a pneumatic gastric lavage device for department of gastroenterology comprises a bottom plate, wherein a piston cylinder is vertically and fixedly supported and connected right above the bottom plate through a rod body, a spray pipe is arranged at the upper end of the piston cylinder, a rubber piston body is arranged in the piston cylinder, a cylindrical air bag is vertically and fixedly bonded between the rubber piston body and the bottom plate, and crease mark grooves are formed in the side wall of the cylindrical air bag at equal intervals from top to bottom and are convenient for the cylindrical air bag to stretch and retract; the gas port that cylindricality gasbag set first small-size air pump and first small-size air pump is passing through the fixed bottom that is communicateing the cylindricality gasbag of body, the fixed stomach pipe that has cup jointed of upper end spray tube of piston cylinder, the upper right end lateral wall of piston cylinder is provided with liquid medicine replenishing mechanism, be connected with stop gear between piston cylinder and the cylindricality gasbag, the left side of bottom plate is provided with measuring mechanism, the end of stomach pipe is to having connected the connector, the upper end of connector is the fretwork body, the parcel is connected with the disk balloon on the outer wall of connector, trachea and trachea exist a plurality of in burying underground in the stomach pipe inside wall, tracheal inner end passes simultaneously the end of stomach pipe just inserts in the upper end inboard of disk balloon, simultaneously the disk balloon is connected through sealing mechanism with tracheal handing-over position department, the connector is connected through sealed fixed establishment with the terminal bottom of stomach pipe, tracheal outer end department has set the small-size air pump of second, be connected through disk mechanism between the gas port of the small-size air pump of second and the tracheal outer end, be provided with plus liquid medicine mechanism on the end lateral wall that the stomach pipe is close to the piston cylinder, the stomach pipe is close to the fixed external display equipment that is provided with miniature camera machine and miniature camera machine electricity and is connected on the terminal lateral wall gomphosis, between miniature camera machine and the connector the spout has been seted up on the stomach pipe, and the liquid medicine of the convenient stomach pipe guide of spout is to dispersion outflow all around.

Further, liquid medicine supply mechanism includes a butt joint pipe, a butt joint pipe and the inside intercommunication of a piston section of thick bamboo, the port department of a butt joint pipe has cup jointed the swivel nut lid through the screw thread, it has rubber buffer and rubber stopper stifled in swivel nut lid port department to bond on the inner wall of swivel nut lid.

Further, stop gear includes sliding ring and roof, the sliding ring slip cap has connect fixing bolt on the piston barrel lateral wall and on the lateral wall top spin of sliding ring, the downside of sliding ring has outage switch and outage switch electricity through screw fixed mounting and is connected with first small-size air pump, the level sets up the upper end lateral wall that is passing through body of rod fixed connection cylindricality gasbag in pairs about the roof in the lower extreme left and right sides of cylindricality gasbag and roof.

Further, measuring mechanism includes capacity scale and pointer, the vertical fixed welding of capacity scale is at the left end upside of bottom plate, the fixed welding of pointer level is on the scale face of capacity scale in the left side of outage switch position and the syringe needle laminating of pointer.

Further, the sealing mechanism comprises a rubber hard sleeve, the rubber hard sleeve is vertically fixedly welded to the upper side of the disc-shaped balloon, the tail end of the gastric catheter is matched, extruded and inserted into the rubber hard sleeve, the upper end edge of the rubber hard sleeve is bonded with the rubber soft sleeve in a surrounding mode, the rubber soft sleeve is attached to the side wall of the tail end of the gastric catheter in a surrounding mode, and a first elastic rubber ring is tightened on the outer wall of the rubber soft sleeve.

Further, sealed fixed establishment includes connecting bolt, connecting bolt from supreme upper end of passing connector and connecting bolt connects in the terminal bottom of stomach pipe soon down, connecting bolt's lower extreme has cup jointed rubber pad and rubber pad pressure and is in between connecting bolt's the lower end and the lateral wall of connector.

Further, the disc-shaped mechanism comprises a disc-shaped connecting air nozzle, the disc-shaped connecting air nozzle is fixedly welded on the air port of the second small air pump and the disc-shaped connecting air nozzle, jacks are evenly formed in the disc-shaped connecting air nozzle, the outer end of the air pipe is fixedly inserted into the jacks in the disc-shaped connecting air nozzle in a butt joint mode, and the disc-shaped connecting air nozzle is sleeved on the outer wall of the outer end of the air pipe through a second elastic rubber ring fixedly connected with the soft belt and a second elastic rubber ring.

Furthermore, the liquid medicine adding mechanism comprises a second butt joint pipe, the second butt joint pipe is vertically and fixedly jointed on the side wall of the end head of the gastric catheter and communicated with the gastric catheter, and a rubber bolt is screwed at the port of the second butt joint pipe.

Furthermore, the end of the trachea, which penetrates through the tail end of the gastric catheter, is sleeved with a conical rubber sleeve, and the conical rubber sleeve abuts against the side wall of the tail end of the gastric catheter.

Compared with the prior art, the invention has the beneficial effects that:

1. the sliding ring is slid up and down, the position of a scale mark on the capacity scale is aligned to determine the distance between the power-off switch and the top plate, after the distance is determined, the position of the sliding ring is fixed through the fixing bolt, then the first small-sized air pump is started to inflate the cylindrical air bag to enable the cylindrical air bag to be upwards supported, the cylindrical air bag upwards jacks up the rubber piston body, liquid medicine in the piston cylinder is pressed to enter the gastric canal, the top plate rises along with the upper end of the cylindrical air bag and is finally pressed onto the power-off switch, and the first small-sized air pump is enabled to be automatically stopped, so that the liquid medicine injection is automatically stopped, and the quantification is realized;

2. before the liquid medicine is injected into the gastric catheter, a second small air pump is opened, the second small air pump inflates the disk-shaped balloon at the end of the gastric catheter inserted into the stomach of a patient through an air pipe to enable the disk-shaped balloon to be unfolded to form a disk, medical staff determines whether the edge of the disk-shaped balloon contacts the inner side wall of the upper end of the stomach through a picture shot and transmitted by a miniature camera and keeps the patient in a sitting state, so that the gastric lavage liquid medicine injected along the gastric catheter flows out from the nozzle at the tail end of the gastric catheter to the four sides and flows towards the inner wall of the stomach along the side wall of the disk-shaped balloon, then flows downwards along the inner wall of the stomach, toxic and harmful residues adhered to the inner wall of the whole stomach are cleaned, a large amount of liquid medicine is prevented from being injected into the stomach;

3. when other kinds of liquid medicines need to be supplemented into the gastric catheter for auxiliary gastric lavage, the rubber bolt is detached, and then the external injector is used for butt joint of the second butt joint pipe for liquid injection.

Drawings

FIG. 1 is a schematic view of the overall structure of a pneumatic gastric lavage device for digestive system department in accordance with the present invention;

FIG. 2 is a left side view of the disk mechanism of the pneumatic gastric lavage device for gastroenterology of the present invention;

FIG. 3 is a structural view showing the connection between a disk-shaped balloon and a gastric catheter in the pneumatic gastric lavage device for gastroenterology of the present invention;

FIG. 4 is a structural diagram of the connection between the tapered rubber sleeve and the trachea in the pneumatic gastric lavage device for gastroenterology of the present invention;

FIG. 5 is a top cross-sectional view of a spout of a pneumatic gastric lavage device for gastroenterology of the present invention.

In FIGS. 1-5: 1. a base plate; 2. a cylindrical air bag; 3. a creasing groove; 4. a first small air pump; 5. a top plate; 6. a power-off switch; 7. a slip ring; 8. a pointer; 9. a capacity scale; 10. a limiting mechanism; 11. a measuring mechanism; 12. a rubber piston body; 13. a piston cylinder; 14. a second small air pump; 15. a disk mechanism; 16. a second elastic rubber ring; 17. the disk-shaped connecting air nozzle; 18. a gastric catheter; 19. a first docking pipe; 20. a rubber plug; 21. a screw sleeve cover; 22. a liquid medicine supply mechanism; 23. a second pair of adapter tubes; 24. a rubber bolt; 25. a liquid medicine adding mechanism; 26. a miniature camera; 27. an air tube; 28. a connector; 29. a disc-shaped balloon; 30. a spout; 31. a rubber hard sleeve; 32. a rubber soft sleeve; 33. a first elastic rubber ring; 34. a conical rubber sleeve; 35. a rubber pad; 36. a sealing mechanism; 37. a sealing and fixing mechanism; 38. and connecting the bolts.

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. 1-5, the present invention provides a technical solution: a pneumatic gastric lavage device for digestive system department comprises a bottom plate 1, a piston cylinder 13 is connected with the right upper part of the bottom plate 1 through a rod body vertical fixed support, the upper end of the piston cylinder 13 is a spray pipe, a rubber piston body 12 is arranged in the piston cylinder 13, a cylindrical air bag 2 is vertically and fixedly bonded between the rubber piston body 12 and the bottom plate 1, and crease mark grooves 3 are equidistantly formed in the side wall of the cylindrical air bag 2 from top to bottom, and the crease mark grooves 3 facilitate the cylindrical air bag 2 to stretch and retract; the cylindrical air bag 2 is provided with a first small air pump 4, the air port of the first small air pump 4 is fixedly communicated with the bottom end of the cylindrical air bag 2 through a pipe body, a stomach catheter 18 is fixedly sleeved on an upper end spray pipe of a piston cylinder 13, a liquid medicine replenishing mechanism 22 is arranged on the side wall of the upper right end of the piston cylinder 13, a limiting mechanism 10 is connected between the piston cylinder 13 and the cylindrical air bag 2, a measuring mechanism 11 is arranged on the left side of the bottom plate 1, the tail end of the stomach catheter 18 is butted with a connector 28, the upper end of the connector 28 is a hollow body, a disc-shaped balloon 29 is wrapped and connected on the outer wall of the connector 28, a plurality of air pipes 27 are embedded in the inner side wall of the stomach catheter 18, the inner end of each air pipe 27 penetrates through the tail end of the stomach catheter 18 and is inserted into the inner side of the upper end of the disc-shaped balloon 29, meanwhile, the disc-, the outer end of the trachea 27 is provided with a second small air pump 14, the air port of the second small air pump 14 is connected with the outer end of the trachea 27 through a disc-shaped mechanism 15, the side wall of the end of the gastric catheter 18 close to the piston cylinder 13 is provided with a liquid medicine adding mechanism 25, the side wall of the gastric catheter 18 close to the tail end is fixedly provided with a micro-camera 26 in an embedded mode, the micro-camera 26 is electrically connected with an external display device, the gastric catheter 18 between the micro-camera 26 and the connector 28 is provided with a nozzle 30, and the nozzle 30 facilitates liquid medicine guided by the gastric catheter 18 to flow out in a scattered mode all.

The liquid medicine replenishing mechanism 22 comprises a first butt joint pipe 19, the first butt joint pipe 19 is communicated with the interior of the piston cylinder 13, a screw sleeve cover 21 is sleeved at a port of the first butt joint pipe 19 through threads, a rubber plug 20 is bonded on the inner wall of the screw sleeve cover 21, the rubber plug 20 is blocked at the port of the screw sleeve cover 21, when liquid medicine for gastric lavage needs to be added into the piston cylinder 13, the screw sleeve cover 21 is disassembled in a rotating mode, the rubber plug 20 is separated from the first butt joint pipe 19 along with the screw sleeve cover 21, the first butt joint pipe 19 is opened, and then the first butt joint pipe 19 is butted with equipment for replenishing the liquid medicine.

The limiting mechanism 10 comprises a sliding ring 7 and a top plate 5, the sliding ring 7 is sleeved on the side wall of a piston cylinder 13 in a sliding mode, fixing bolts are screwed on the side wall of the sliding ring 7, a power-off switch 6 is fixedly installed on the lower side of the sliding ring 7 through screws, the power-off switch 6 is electrically connected with a first small air pump 4, the top plate 5 is horizontally arranged on the left side and the right side of the lower end of the cylindrical air bag 2 in pairs, the top plate 5 is fixedly connected with the upper end side wall of the cylindrical air bag 2 through a rod body, when liquid medicine injected into the stomach catheter 18 needs to be controlled, the sliding ring 7 slides up and down, the distance between the power-off switch 6 and the top plate 5 is adjusted, after the distance is determined, the position of the sliding ring 7 is fixed through the fixing bolts, then the first small air pump 4 is started to inflate the cylindrical air bag 2 to be upwards supported, the cylindrical air bag, and the top plate 5 rises along with the upper end of the cylindrical air bag 2 and finally presses the power-off switch 6, so that the first small air pump 4 is stopped, and the injection of the liquid medicine is automatically stopped.

The measuring mechanism 11 comprises a capacity scale 9 and a pointer 8, the capacity scale 9 is vertically and fixedly welded on the upper side of the left end of the bottom plate 1, the pointer 8 is horizontally and fixedly welded on the left side of the position of the power-off switch 6, the needle head of the pointer 8 is attached to the scale surface of the capacity scale 9, the position where the sliding ring 7 slides is determined according to the position indicated by the pointer 8, and therefore the amount of the liquid medicine to be injected is determined.

The sealing mechanism 36 comprises a rubber hard sleeve 31, the rubber hard sleeve 31 is vertically fixedly welded on the upper side of the disc-shaped balloon 29, the tail end of the gastric catheter 18 is matched and extruded to be inserted into the rubber hard sleeve 31, the upper end edge of the rubber hard sleeve 31 is bonded with a rubber soft sleeve 32 in a surrounding mode, the rubber soft sleeve 32 is attached to the side wall of the tail end of the gastric catheter 18 in a surrounding mode, a first elastic rubber ring 33 is tightly tightened on the outer wall of the rubber soft sleeve 32, the rubber hard sleeve 31 and the rubber soft sleeve 32 are in sealing butt joint with the gastric catheter 18, the upper end of the disc-shaped balloon 29 is sealed, and air leakage is avoided.

The sealing and fixing mechanism 37 comprises a connecting bolt 38, the connecting bolt 38 penetrates through the connecting head 28 from bottom to top and the upper end of the connecting bolt 38 is screwed at the bottom of the tail end of the gastric catheter 18, the lower end of the connecting bolt 38 is sleeved with a rubber pad 35, the rubber pad 35 is pressed between the lower end of the connecting bolt 38 and the side wall of the connecting head 28, the connecting bolt 38 enables the connecting head 28 and the disc-shaped balloon 29 to be fixedly connected at the tail end of the gastric catheter 18 and is convenient to detach and replace, and meanwhile the rubber pad 35 enables the connecting bolt 38 and the connecting head 28 to be sealed at.

The disc-shaped mechanism 15 comprises a disc-shaped connecting air nozzle 17, the disc-shaped connecting air nozzle 17 is fixedly welded at an air port of the second small air pump 14, jacks are uniformly formed in the disc-shaped connecting air nozzle 17, the outer end of the air pipe 27 is fixedly connected into the jacks in the disc-shaped connecting air nozzle 17 in a butt joint mode, the disc-shaped connecting air nozzle 17 is fixedly connected with a second elastic rubber ring 16 through a soft belt, the second elastic rubber ring 16 is sleeved on the outer wall of the outer end of the air pipe 27, and the second elastic rubber ring 16 enables the outer ends of all the air pipes 27 to be stably in.

The external liquid medicine mechanism 25 comprises a second pair of connecting pipes 23, the second pair of connecting pipes 23 are vertically and fixedly connected to the side wall of the end head of the gastric catheter 18 in a staggered mode, the second pair of connecting pipes 23 are communicated with the gastric catheter 18, rubber bolts 24 are screwed at ports of the second pair of connecting pipes 23, when other types of liquid medicines need to be supplemented into the gastric catheter 18 for auxiliary gastric lavage, the rubber bolts 24 are detached, and then an external injector is used for butt joint of the second pair of connecting pipes 23 for liquid injection.

The end of the trachea 27 passing through the tail end of the gastric catheter 18 is sleeved with a conical rubber sleeve 34, the conical rubber sleeve 34 is abutted against the side wall of the tail end of the gastric catheter 18, and the conical rubber sleeve 34 is used for sealing the position of the trachea 27 passing through the tail end of the gastric catheter 18.

The working principle is as follows: the connecting end of the stomach conduit 18 of the invention is fixedly sleeved at the upper end spray pipe of the piston cylinder 13, simultaneously, the outer end of the air pipe 27 penetrating and connecting the inner side of the stomach conduit 18 is inserted into the disc-shaped connecting air nozzle 17 at the air port position of the second small air pump 14, then the first connecting pipe 19 at the right upper end of the piston cylinder 13 is opened, the liquid medicine for washing the stomach is filled in the piston cylinder 13, and the rubber piston body 12 is ensured to be positioned at the lowest end of the piston cylinder 13, then the first connecting pipe 19 is sealed by using the screw sleeve cover 21, the stomach conduit 18 is inserted into the body of a patient, then the sliding ring 7 is slid up and down, and the distance between the power-off switch 6 and the top plate 5 is determined by aligning the scale mark position on the capacity scale 9, after the distance is determined, the position of the sliding ring 7 is fixed by the fixing bolt, then the first small air pump 4 is started to inflate the cylindrical air bag 2 to prop up the cylindrical, the liquid medicine in the piston cylinder 13 is pressed to enter the stomach catheter 18, the top plate 5 rises along with the upper end of the cylindrical air bag 2 and finally presses the power-off switch 6, so that the first small air pump 4 is automatically stopped, the liquid medicine injection is automatically stopped, the quantification is realized, before the liquid medicine is injected into the stomach catheter 18, the second small air pump 14 is opened, the second small air pump 14 inflates the disk-shaped balloon 29 at the end of the stomach catheter 18 inserted into the stomach of the patient through the air pipe 27, so that the disk-shaped balloon 29 is expanded to form a disk, and medical personnel can determine whether the edge of the disk-shaped balloon 29 is in contact with the inner side wall of the upper end of the stomach through the transmission picture shot by the micro-camera 26 and keep the patient in a sitting state, so that the gastric lavage liquid medicine injected along the stomach catheter 18 flows out from the nozzle 30 at the tail end of the stomach catheter 18 to the four sides, flows to the, the toxic and harmful residues adhered to the whole inner wall of the stomach are cleaned, so that a large amount of liquid medicine is prevented from being injected into the stomach, the liquid medicine is slowly gathered and lifted from the bottom of the stomach, the gastric lavage time is prolonged, and the efficiency is low.

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. The utility model provides a pneumatic gastric lavage device for gastroenterology, includes bottom plate (1), its characterized in that: the bottom plate (1) is vertically and fixedly provided with a piston cylinder (13), a rubber piston body (12) is arranged in the piston cylinder (13) in a matching mode, a cylindrical air bag (2) is vertically and fixedly arranged between the rubber piston body (12) and the bottom plate (1), folding grooves (3) are formed in the side wall of the cylindrical air bag (2) at equal intervals from top to bottom, the cylindrical air bag (2) is provided with a first small air pump (4) and a gas port of the first small air pump (4) and fixedly communicated with the bottom end of the cylindrical air bag (2), a stomach catheter (18) is fixedly arranged at the upper end of the piston cylinder (13), a liquid medicine replenishing mechanism (22) is arranged on the side wall of the upper right end of the piston cylinder (13), a limiting mechanism (10) is connected between the piston cylinder (13) and the cylindrical air bag (2), a measuring mechanism (11) is arranged on the left side of the bottom plate (1), a connector (, the outer wall of the connector (28) is provided with a disc-shaped balloon (29), an air pipe (27) is buried in the inner side wall of the gastric catheter (18), the inner end of the air pipe (27) is inserted into the inner side of the upper end of the disc-shaped balloon (29), meanwhile, the joint position of the disc-shaped balloon (29) and the air pipe (27) is connected through a sealing mechanism (36), the bottom of the tail end of the connector (28) and the gastric catheter (18) is connected through a sealing fixing mechanism (37), the outer end of the air pipe (27) is provided with a second small air pump (14), the air port of the second small air pump (14) is connected with the outer end of the air pipe (27) through a disc-shaped mechanism (15), an external liquid medicine adding mechanism (25) is arranged on the end head of the side wall of the gastric catheter (18) close to the piston cylinder (13), and a miniature camera (26) is fixedly arranged on the, a nozzle (30) is arranged on the stomach catheter (18) between the micro-camera (26) and the connector (28).

2. The pneumatic gastric lavage device for digestive system department according to claim 1, further comprising: liquid medicine replenishing mechanism (22) include first butt joint pipe (19), first butt joint pipe (19) and piston cylinder (13) inside intercommunication, the port department of first butt joint pipe (19) is provided with screw cover lid (21), be provided with rubber buffer (20) on the inner wall of screw cover lid (21).

3. The pneumatic gastric lavage device for digestive system department according to claim 1, further comprising: stop gear (10) include sliding ring (7) and roof (5), sliding ring (7) set up on piston cylinder (13) lateral wall, the downside of sliding ring (7) is fixed to be provided with power off switch (6) and power off switch (6) electricity and is connected first small-size air pump (4), roof (5) level sets up at the lower extreme of cylindricality gasbag (2) and roof (5) fixed connection the upper end lateral wall of cylindricality gasbag (2).

4. A pneumatic gastric lavage device for digestive system department as set forth in claims 1 and 3 wherein: measuring mechanism (11) are including capacity scale (9) and pointer (8), the vertical fixed setting of capacity scale (9) is in the left end upside of bottom plate (1), pointer (8) horizontal fixation sets up the left side at power-off switch (6) position.

5. The pneumatic gastric lavage device for digestive system department according to claim 1, further comprising: the sealing mechanism (36) comprises a rubber hard sleeve (31), the rubber hard sleeve (31) is vertically and fixedly arranged on the upper side of the disc-shaped balloon (29), the tail end of the gastric catheter (18) is inserted into the rubber hard sleeve (31), the upper end edge of the rubber hard sleeve (31) is provided with a rubber soft sleeve (32) in a surrounding mode, the rubber soft sleeve (32) is attached to the tail end side wall of the gastric catheter (18), and a first elastic rubber ring (33) is arranged on the outer wall of the rubber soft sleeve (32).

6. The pneumatic gastric lavage device for digestive system department according to claim 1, further comprising: sealed fixed establishment (37) include connecting bolt (38), connecting bolt (38) pass the upper end of connector (28) and connecting bolt (38) and connect the terminal bottom at stomach pipe (18), the lower extreme of connecting bolt (38) is provided with rubber pad (35) and rubber pad (35) pressure and is in between the lower terminal of connecting bolt (38) and the lateral wall of connector (28).

7. The pneumatic gastric lavage device for digestive system department according to claim 1, further comprising: disc mechanism (15) connect air cock (17) including the disc, air cock (17) is connected to the disc and fixed the setting in the gas port department of the small-size air pump of second (14), the outer end butt joint of trachea (27) is fixed to be inserted on disc connection air cock (17), air cock (17) is connected to the disc is fixed to be provided with second elasticity rubber circle (16) and second elasticity rubber circle (16) cover on the outer wall of trachea (27) outer end.

8. The pneumatic gastric lavage device for digestive system department according to claim 1, further comprising: the external liquid medicine adding mechanism (25) comprises a second butt joint pipe (23), the second butt joint pipe (23) is vertically and fixedly arranged on the end side wall of the gastric catheter (18), the second butt joint pipe (23) is communicated with the gastric catheter (18), and a rubber bolt (24) is arranged at the port of the second butt joint pipe (23).

9. The pneumatic gastric lavage device for digestive system department according to claim 1, further comprising: the end of the trachea (27) passing through the tail end of the gastric catheter (18) is provided with a conical rubber sleeve (34), and the conical rubber sleeve (34) is abutted against the side wall of the tail end of the gastric catheter (18).