CN111729137A - A high-safety gastrointestinal drainage device - Google Patents

Abstract

The present application discloses a high-safety gastrointestinal drainage device, which includes a tube body and a protection device. A partition unit is provided in the tube body to separate the space in the tube into a first space and a second space, and the first space also It has a sheet-shaped first support air bag when inflated, the first support air bag is connected with a first trachea, the first air tube is connected with the first pumping and inflating unit, and the second space also has a sheet-shaped first air bag when inflated. Two supporting airbags, the second supporting airbag is connected with a second trachea, and the second trachea is connected with the second pumping and inflating unit; the end of the first space is connected with a drainage tube, and the drainage tube is connected with a negative pressure container, the The negative pressure container is connected with a one-way air valve, a pressing ball and a lower liquid pipe. Liquid supply unit. The drainage tube of the present application is multifunctional and has higher safety.

Description

A high-safety gastrointestinal drainage device

technical field

The invention relates to the field of gastrointestinal treatment, in particular to a high-safety gastrointestinal drainage device.

Background technique

Gastrointestinal decompression is a commonly used nursing technique in general surgery. Its purpose is to drain gastric fluid and gas in the gastrointestinal tract, reduce abdominal distension and suture tension, and facilitate wound healing. It uses the principle of negative pressure suction to suck out the gas and liquid accumulated in the gastrointestinal tract, so as to reduce the pressure in the gastrointestinal tract, improve the blood circulation of the gastrointestinal wall, help the limitation of inflammation, and drain the gastric fluid and gas in the gastrointestinal tract. a method of treatment. The commonly used device is a drainage tube, and in some cases, on the one hand, it is necessary to drain the gastrointestinal fluid, and it is also necessary to inject nutrient solution or medicinal liquid into the gastrointestinal tract, and because the operation is performed in the patient's gastrointestinal tract, there is a certain safety. Hidden dangers, sometimes patients feel uncomfortable or even dangerous, doctors can't respond immediately, and patients can't do anything at this time.

SUMMARY OF THE INVENTION

Purpose of the invention: The present invention aims to overcome the defects of the prior art and provide a high-safety gastrointestinal drainage device.

Technical solution: a gastrointestinal drainage device, comprising a tube body and a protection device, the tube body has a partition unit to separate the tube body space into a first space for drainage and a second space for injection, the first space A space also has a sheet-shaped first support airbag when inflated, the first support airbag is connected with a first trachea, the first air tube is connected with the first pumping and inflating unit, and the second space also has a sheet-like shape when inflated. A sheet-shaped second support airbag, the second support airbag is connected with a second trachea, and the second trachea is connected with the second pumping and inflating unit; the end of the first space is connected with a drainage tube, and the drainage tube is connected with a negative pressure A container, the negative pressure container is connected with a one-way air valve, a pressing ball and a lower liquid pipe, the lower liquid pipe is provided with a valve, the drainage pipe is provided with a pipe clamp, and the end of the second space is connected with the injection pipe, The injection tube is connected with a liquid supply unit; the protection device includes a cylindrical part with both ends open, and the inner side of the cylindrical part has a plurality of arc-shaped abutting pieces, and the abutting pieces are connected with the first spring through the first spring. The inner side of the cylindrical portion is fixed.

Further, there are 8 abutting pieces, and the 8 abutting pieces are distributed in two circles, each circle has 4 abutting pieces, and the 4 abutting pieces in the same circle are distributed at equal intervals.

Therefore, the fixing of the protection device and the tube body is more stable, and the first spring mainly fixes the protection cover device on the tube body, and does not deform the tube body. It can be seen from this setting that the relative position of the protection device and the tube body is It is slidable, so it can be adapted to patients of different sizes.

Further, the first support airbag is in a sheet shape after being inflated, one side of the sheet-shaped first support airbag is fixedly connected to the pipe body, and the other side is fixedly connected to the separation unit; the second support airbag is in a sheet shape after being inflated. One side of the sheet-shaped second support airbag is fixedly connected with the tube body, and the other side is fixedly connected with the separation unit; when the first support airbag is inflated and the second support airbag is deflated, the separation unit and the tube at the second space are fixedly connected. The inner side of the body abuts; when the second support air bag is inflated and the first support air bag is deflated, the partition unit abuts the inner side of the tube body at the first space.

Further, the inner side of the cylindrical portion is fixed with a circular-cylindrical abutting airbag installation cylinder, a circular-cylindrical abutting airbag is installed at the abutting airbag installation cylinder, and the outer fixing sleeve of the cylindrical portion is There is a fixed sleeve and an air chamber, the end of the fixed sleeve is fixed with a limiting flange, the fixed sleeve has a slide plate channel, the slide plate channel has a slide plate, and the fixed sleeve also has a pressing channel that communicates with the slide plate channel. , there is a pressing block in the pressing channel, a pressing spring is arranged between the pressing block and the bottom end of the pressing channel, the pressing block is in the shape of a rectangular frame, the inner side of the pressing block has an abutting column, and the sliding plate has a first a groove and a second groove, the first groove has an inclined surface abutting with the abutting column, the second groove has a flat surface that can abut the abutting column; the air chamber has an air cavity , the air chamber has an air chamber piston, the air chamber piston is fixedly connected with the end of the slide plate, the end of the air chamber close to the fixed sleeve has a perforation passed by the slide plate, and the end of the air chamber away from the fixed sleeve and the air chamber An elastic pulling rope is connected between the pistons, and a first piston tube and a second piston tube are also connected to the end of the air chamber away from the fixed sleeve. A sliding piston acupuncture unit is fixed at the sliding piston, an inner tube unit is also fixed in the air chamber, and an inner tube sealing membrane is arranged in the inner tube unit, and the air cavity piston is provided with a sealing membrane for piercing the inner tube. an inner tube acupuncture unit; an air leakage unit is also fixed at the cylindrical portion, the air leakage unit has a first lumen communicated with the first trachea and a second lumen communicated with the second trachea, and the first lumen communicates with the second trachea. An inner cavity is also connected with a first connecting pipe, the first connecting pipe is connected with the first pumping and inflating unit, the second inner cavity is also connected with a second connecting pipe, and the second connecting pipe is connected with the second pumping and inflating unit , the first inner cavity is also communicated with a first communication hole, the first communication hole has a first sealing membrane that can be pierced by the acupuncture unit in the first piston tube, and the second inner cavity is also communicated with The second communication hole, the second communication hole has a second sealing film that can be pierced by the needle punching unit in the second piston tube; the cylindrical part is also fixed with an arc-shaped first fixing plate, the first fixing plate An arc-shaped second fixing plate is fixed at the plate, and an arc-shaped third fixing plate is also fixed at the air leakage unit. The third fixing plate is connected with an arc-shaped movable plate through a second spring. The third fixing plate also has a cutter channel, and the cutter channel has a cutter piston to which the cutter is fixed, and the third fixing plate also has a pulling rope through hole communicating with the cutter channel. Between the inner wall and the movable plate, there is also a limit pull rope that passes through the through hole of the pull rope and can be cut by the cutter, and a third connection pipe is also connected between the cutter channel and the air chamber, The abutting airbag mounting cylinder also has a connecting channel connecting the air cavity and the abutting airbag.

Further, the surface corresponding to the inner diameter of the second fixed plate abuts the tube body, and the surface corresponding to the outer diameter of the movable plate faces the tube body.

Therefore, after clamping the tube body, the second fixed plate and the movable plate can fit more closely and seal the tube body better.

Further, there are two second springs, and the limiting cable is located between the two second springs.

Therefore, the pressing and limiting of the movable plate are more stable.

Further, a first cover is screwed on the first communication hole, and the first sealing film is provided at the first cover; a second cover is screwed on the second communication hole, and the second cover is screwed on the second The cover portion has the second sealing film.

Therefore, the first and second sealing membranes can be replaced with new ones by replacing the first and second cover parts.

Further, a sliding block is fixed at the cutter piston, and the sliding block has an accommodating groove, and the accommodating groove is connected with a limit protruding block through a third spring, and the cutting knife through-groove The limiting protruding block is matched with a limiting groove for accommodating the limiting protruding block.

Further, the fixing sleeve also has two limiting ribs; the cylindrical portion and the first fixing plate are fixed by bolts, the air leakage unit and the third fixing plate are fixed by bolts, and the first fixing plate is fixed by bolts. A plurality of connecting rods are also connected between the plate and the third fixing plate.

Therefore, the connection between the first fixing plate and the third fixing plate is more stable.

Further, the first and second pumping and inflating units each include a syringe, a push rod with a piston inside the syringe, and the syringe also has a locking bolt for locking the relative positions of the syringe and the push rod.

Further, the first connecting pipe and the second connecting pipe are hoses, and the third connecting pipe is a hard pipe.

Because the protection device may move relative to the pipe body, it is more convenient to set the first and second connecting pipes as hoses; the third connecting pipe is set as a hard pipe to assist in supporting and fixing.

Further, when there is no external force, the abutting column abuts the inclined surface of the first groove; the limit protruding block is located outside the limit groove; the acupuncture unit in the first piston tube is located in the first piston tube , the acupuncture unit in the second piston tube is located in the second piston tube; the inner tube sealing film, the first sealing film and the second sealing film are not punctured.

Further, pressing down the pressing block can make the abutting column abut the plane of the second groove; the limiting protruding block is located in the limiting groove; the inner tube sealing film, the first sealing film and the Both the second sealing films are punctured; the movable plate and the second fixed plate clamp the pipe body and make the part of the first space and the second space in the pipe body between the movable plate and the second fixed plate closed .

Further, both the first and the second communication holes have protruding edges with threads.

Further, the liquid supply unit is an injection device. For example a syringe.

Further, the top of the pressing block also has a placement groove for placing the teeth.

Beneficial effects: The drainage tube of the present invention can effectively drain the drainage, and is also convenient for injecting nutrient solution or medicinal solution, and when the patient is uncomfortable, it can actively respond and deal with it to avoid danger.

Description of drawings

1 is a schematic diagram of a drainage device;

Fig. 2 is the enlarged view of A area of Fig. 1;

Fig. 3 is the first angle perspective view of the drainage device;

4 is a perspective view of the drainage device at a second angle;

5 is a perspective view of the drainage device from a third angle;

Fig. 6 is a schematic cross-sectional view of the pipe body, and a schematic view when the partition is located in the middle;

FIG. 7 is a cross-sectional view of the tube body from another angle, and a schematic view of the second support airbag when it is fully inflated.

Detailed ways

Reference numerals: 1 pipe body; 1.1 partition; 2.1 first support air bag; 2.2 second support air bag; 2.1.1 first connecting pipe; 2.2.1 second connecting pipe; 3 cylindrical part; 3.1 first spring; 3.2 abutting piece; 3.3 abutting the airbag installation cylinder; 3.4 abutting the airbag; 3.5 connecting channel; 4 fixing sleeve; 4.1 pressing block; 4.2 abutting column; 4.3 pressing spring; 5 sliding plate; 5.1 first groove; groove; 6 air chamber; 6.1 air cavity piston; 6.2 elastic pull cord; 6.3 inner tube acupuncture unit; 6.4 inner tube; 6.5 inner tube sealing membrane; 6.6 first piston tube; 6.6.1 sliding piston; 6.6.2 sliding Piston acupuncture unit; 6.6.3 Limit ring; 6.7 Second piston tube; 7 First fixing plate; 7.1 Second fixing plate; 8 Third fixing plate; 8.1 Active plate; 8.2 Second spring; 8.3 Limiting rope ;8.4 Cutter; 8.5 Cutter piston; 8.6 Slider; 8.7 Limit protrusion; 8.8 Limit groove; 9 Air leakage unit; 9.1 The first cavity; 9.2 The second cavity; 9.2.1 The second pump Inflatable unit; 9.2.2 Second sealing membrane; 10 Negative pressure container; 10.1 Lower liquid pipe; 10.2 Press ball; 10.3 One-way valve; 10.4 Pipe clamp; 11 Liquid supply unit; ; 13.3 locking bolts; 14 third connecting pipe.

As shown in the figure, a gastrointestinal drainage device includes a tube body 1 and a protection device, the tube body 1 is provided with a partition unit 1.1 to divide the space in the tube body 1 into a first space for drainage and a first space for injection The second space of the The pumping and inflating unit is connected, the second space also has a sheet-like second support air bag 2.2 when inflated, the second support air bag 2.2 is connected with a second trachea 2.2.1, the second trachea 2.2. The pumping and inflating unit is connected; the end of the first space is connected with a drainage pipe, and the drainage pipe is connected with a negative pressure container 10, and the negative pressure container 10 is connected with a one-way air valve 10.3, a pressing ball 10.2 and a lower liquid pipe 10.1, The lower liquid pipe 10.1 is provided with a valve, the drainage pipe is provided with a pipe clamp 10.4, the end of the second space is connected with the injection pipe, and the injection pipe is connected with the liquid supply unit 11; The cylindrical portion 3 has a plurality of arc-shaped contact pieces 3.2 inside the cylindrical portion 3, and the contact pieces 3.2 are fixed to the inside of the cylindrical portion 3 by a first spring 3.1.

The abutting pieces 3.2 have 8 pieces, and the 8 abutting pieces 3.2 are distributed in two circles, each circle has four abutting pieces 3.2, and the 4 abutting pieces 3.2 in the same circle are distributed at equal intervals. The first support airbag 2.1 is in a sheet shape after being inflated. One side of the sheet-shaped first support airbag 2.1 is fixedly connected to the tube body, and the other side is fixedly connected to the separation unit; the second support airbag 2.2 is in the form of a sheet after being inflated One side of the sheet-shaped second support airbag 2.2 is fixedly connected to the tube body 1, and the other side is fixedly connected to the separation unit 1.1; when the first support airbag 2.1 is inflated and the second support airbag 2.2 is deflated, the separation unit 1.1 and the separation unit 1.1 are fixedly connected. The inner side of the tube body 1 at the second space abuts; when the second support airbag 2.2 is inflated and the first support airbag 2.1 is deflated, the partition unit 1.1 abuts the inner side of the tube body 1 at the first space.

The inner side of the cylindrical portion 3 is fixed with a circular-cylindrical abutting airbag installation cylinder 3.3, and a circular-cylindrical abutting airbag 3.4 is installed at the abutting airbag installation cylinder 3.3. The fixed sleeve is provided with a fixed sleeve 4 and an air chamber 6, the end of the fixed sleeve 4 is fixed with a limiting flange, the fixed sleeve 4 has a sliding plate channel, and the sliding plate channel has a sliding plate 5, and the fixed sleeve 4 is also There is a pressing channel communicated with the slide channel, the pressing channel has a pressing block 4.1, a pressing spring 4.3 is arranged between the pressing block 4.1 and the bottom end of the pressing channel, the pressing block 4.1 is in the shape of a rectangular frame, and the pressing block 4.1 The inner side of the sliding plate has an abutment post 4.2, the slide plate has a first groove 5.1 and a second groove 5.2, the first groove 5.1 has an inclined surface abutting with the abutment post 4.2, the second groove 5.2 has a plane that can abut against the abutment column; the air chamber 6 has an air chamber, and the air chamber has an air chamber piston 6.1, the air chamber piston 6.1 is fixedly connected with the end of the slide plate 5, and the air chamber The end of the chamber 6 close to the fixed sleeve has a perforation that is passed through by the slide plate, an elastic pulling rope 6.2 is connected between the end of the air chamber away from the fixed sleeve and the air cavity piston, and the end of the air chamber 6 away from the fixed sleeve is also connected with a first piston. Pipe 6.6 and second piston pipe 6.7, the first and second piston pipes both have sliding piston 6.6.1 and limit ring 6.6.3, and sliding piston acupuncture unit 6.6.2 is fixed at the sliding piston 6.6.1 , an inner tube unit 6.4 is also fixed in the air chamber 6, the inner tube unit 6.4 has an inner tube sealing membrane 6.5, and the air cavity piston 6.1 has an inner tube acupuncture for piercing the inner tube sealing membrane Unit 6.3; an air leakage unit 9 is also fixed at the cylindrical part 3, and the air leakage unit 9 has a first lumen 9.1 communicated with the first trachea and a second lumen 9.2 communicated with the second trachea, so The first lumen is also connected with a first connecting pipe, the first connecting pipe is connected with the first pumping and inflating unit, the second lumen is also connected with a second connecting pipe, and the second connecting pipe is connected with the second pumping unit. Inflatable unit 9.2.1, the first inner cavity is further communicated with a first communication hole, the first communication hole has a first sealing membrane that can be pierced by the acupuncture unit in the first piston tube, the second inner cavity is The cavity is also connected with a second communication hole, and the second communication hole is provided with a second sealing membrane 9.2.2 that can be pierced by the acupuncture unit in the second piston tube; the cylindrical portion 3 is also fixed with a curved surface. The first fixing plate 7, the first fixing plate 7 is fixed with an arc-shaped second fixing plate 7.1, the air leakage unit is also fixed with an arc-shaped third fixing plate 8, and the third fixing plate 8 passes through The second spring 8.2 is connected with a curved movable plate 8.1, the third fixed plate 8 also has a cutter channel, and the cutter channel has a cutter piston 8.5 to which the cutter is fixed. There is also a pull rope through hole communicating with the knife channel, and a limit pull rope 8.3 that passes through the pull rope through hole and can be cut by the knife is also connected between the inner wall of the knife channel and the movable plate. the cutter channel and the air chamber A third connecting pipe 14 is also connected therebetween, and the abutting airbag mounting cylinder 3.3 also has a connecting channel 3.5 connecting the air cavity and the abutting airbag 3.4.

The surface corresponding to the inner diameter of the second fixed plate 7.1 abuts the tube body, and the surface corresponding to the outer diameter of the movable plate 8.1 faces the tube body 1 . There are two second springs 8.2, and the limiting cable 8.3 is located between the two second springs 8.2. The first communication hole is screwed with a first cover, and the first cover is provided with the first sealing film; the second communication hole is screwed with a second cover, and the second cover is There is the second sealing film. A sliding block 8.6 is fixed at the cutter piston, and the sliding block 8.6 has an accommodating groove, and the accommodating groove is connected to the limiting protruding block 8.7 through a third spring. The limiting protruding block is matched with the limiting groove 8.8 for accommodating the limiting protruding block 8.7. The fixing sleeve also has two limiting ribs; the cylindrical part and the first fixing plate are fixed by bolts, the air leakage unit 9 and the third fixing plate 8 are fixed by bolts, and the first fixing plate A plurality of connecting rods 12 are also connected between the 7 and the third fixing plate 8 . The first and second pumping and inflating units each include a syringe, a push rod with a piston inside the syringe, and the syringe also has a locking bolt for locking the relative positions of the syringe and the push rod. The first connecting pipe 2.1.1 and the second connecting pipe 2.2.1 are hoses, and the third connecting pipe 14 is a hard pipe.

As shown in the figure, the first space can be used for drainage, and the liquid that needs to be drained in the stomach can be drained out by means of negative pressure. The pumping of the inflatable unit makes the second support air bag shriveled, so that the first space is opened to facilitate the drainage operation; when it is necessary to deliver medicinal liquid or nutrient solution to the stomach, the second support air bag can be filled, and the first support air bag can be shrunk, thereby The second space is opened for liquid supply.

In addition, because the drainage tube is inserted into the patient's stomach after all, sometimes unexpected situations occur, such as excessive negative pressure or excessive positive pressure during fluid supply, the doctor cannot sense it at the first time, but the patient can sense it at the first time. , but the operating end of the ordinary drainage tube is in the hands of the doctor, and the patient cannot cope with the emergency in time. Therefore, the following structure is designed: in the initial state, the abutting column abuts the inclined surface of the first groove (due to the relatively large elastic force of the pressing spring, it can overcome the pulling force of the elastic cable and connect the end of the slide plate to the edge of the slide plate channel). the closed end abuts); the limit protrusion is located outside the limit groove; the acupuncture unit in the first piston tube is located in the first piston tube, and the acupuncture unit in the second piston tube is located in the second piston tube; The inner tube sealing film, the first sealing film and the second sealing film were not punctured. The patient's mouth holds the fixed sleeve, and the limit flange can limit the position, place the fixed sleeve to completely slide into the mouth, the limit rib can prevent the fixed sleeve from rotating, and the patient's teeth abut on the column pressing block (the elastic force of the pressing spring). It can also prevent the patient from pressing the spring by mistake), and the drainage tube can be used normally at this time.

When the patient feels abnormally uncomfortable, the patient installs the pressing block forcefully. During the pressing process, the abutting column first moves slowly along the inclined plane, so that the sliding plate slides, so that the air pressure in the pressing air bag is relatively large, so that the pressing The airbag is tightly pressed against the tube body, so that the tube body is completely fixed, and the vibration and rotation of the tube body are avoided. The second support airbag is communicated with the outside, so that when the rear movable plate is pressed down rapidly, the first and second support airbags can be flattened), and the inner tube piston acupuncture unit is close to the inner tube sealing membrane but has not been pierced; After the post slides out of the first groove, the elastic pull rope will quickly make the sliding plate move a large distance, so that the sealing film of the inner tube is punctured, and the air pressure quickly pushes the cutter so that the cutter cuts the limit pull rope, and the movable plate Under the compression of the second spring, the tube body is quickly and forcefully flattened and completely closed. Since the tube body is clamped tightly against the airbag at this time, and the fixed sleeve is also bitten in the patient's mouth, the lower part of the movable plate The vibration generated by the pressure will not make the drainage tube in the patient's body vibrate. At this time, the abutting column abuts the plane of the second groove; the limiting protrusion is located in the limiting groove; the inner tube sealing film, the first sealing film and the second sealing film are all punctured; The movable plate and the second fixed plate clamp the pipe body, and the first space and the second space in the pipe body are flattened and closed at the part between the movable plate and the second fixed plate. This allows the doctor to perform further treatment, such as removing the drain.

Although the present invention has been illustrated and described in terms of preferred embodiments, those skilled in the art will appreciate that various changes and modifications can be made to the present invention without departing from the scope defined by the claims of the invention.

Claims (10)

1. A high-safety gastrointestinal drainage device, characterized in that it comprises a tube body and a protection device, and a partition unit is arranged in the tube body to separate the inner space of the tube into a first space for drainage and a second space for injection. Two spaces, the first space also has a sheet-shaped first support air bag when inflated, the first support air bag is connected with a first trachea, the first air pipe is connected with the first pumping and inflating unit, and the second space There is also a sheet-like second support airbag inside, the second support airbag is connected with a second trachea, and the second trachea is connected with the second pumping and inflating unit; the end of the first space is connected with the drainage tube, The drainage pipe is connected with a negative pressure container, the negative pressure container is connected with a one-way air valve, a pressing ball and a lower liquid pipe, the lower liquid pipe is provided with a valve, the drainage pipe is provided with a pipe clamp, and the end of the second space is The protective device includes a cylindrical part with both ends open, and the inner side of the cylindrical part has a plurality of arc-shaped abutting pieces, the abutting The piece is fixed to the inner side of the cylindrical portion by the first spring. 2 . The high-safety gastrointestinal drainage device according to claim 1 , wherein there are 8 abutting pieces, and the 8 abutting pieces are distributed in two circles, and each circle has 4 abutting pieces, 3 . The four contact pieces of the same circle are distributed at equal intervals. 3 . The high-safety gastrointestinal drainage device according to claim 1 , wherein the first support airbag is in a sheet shape after being inflated, and one side of the sheet-shaped first support airbag is fixedly connected to the tube body, and the other side is fixedly connected to the tube body. 4 . The side is fixedly connected with the separation unit; the second support airbag is in a sheet shape after being inflated, one side of the sheet-shaped second support airbag is fixedly connected with the tube body, and the other side is fixedly connected with the separation unit; when the first support airbag is inflated And when the second support airbag is deflated, the separation unit abuts the inner side of the tube body at the second space; when the second support airbag is inflated and the first support airbag is deflated, the separation unit abuts the inner side of the tube body at the first space. catch. 4 . The high-safety gastrointestinal drainage device according to claim 1 , wherein an annular cylindrical abutting airbag mounting tube is fixed on the inner side of the cylindrical portion, and the abutting airbag mounting tube is installed with a A ring-shaped cylindrical abutting airbag, the outer fixing sleeve of the cylindrical part is provided with a fixing sleeve and an air chamber, the end of the fixing sleeve is fixed with a limiting flange, the fixing sleeve has a sliding plate channel, and the sliding plate channel is There is a sliding plate, the fixing sleeve also has a pressing channel communicating with the sliding plate channel, a pressing block is arranged in the pressing channel, a pressing spring is arranged between the pressing block and the bottom end of the pressing channel, and the pressing block is in the shape of a rectangular frame, The inner side of the pressing block has an abutting column, the sliding plate has a first groove and a second groove, the first groove has an inclined surface abutting with the abutting column, and the second groove has a A plane capable of abutting with the abutment column; the air chamber has an air cavity, and the air cavity has an air cavity piston, the air cavity piston is fixedly connected with the end of the slide plate, and the air chamber is close to one end of the fixed sleeve There is a perforation penetrated by the slide plate, an elastic pulling rope is connected between the end of the air chamber away from the fixed sleeve and the air cavity piston, and the end of the air chamber away from the fixed sleeve is also connected with a first piston tube and a second piston tube. The first and second piston tubes are both provided with a sliding piston and a limit ring, the sliding piston acupuncture unit is fixed at the sliding piston, an inner tube unit is also fixed in the air chamber, and an inner tube sealing membrane is arranged in the inner tube unit , the air cavity piston is provided with an inner tube acupuncture unit for piercing the sealing membrane of the inner tube; an air leakage unit is also fixed at the cylindrical portion, and the air leakage unit has a first trachea communicating with the first trachea. The inner cavity and the second inner cavity communicated with the second trachea, the first inner cavity is also connected with a first connecting pipe, the first connecting pipe is connected with the first pumping and inflating unit, and the second inner cavity is also connected with a second connecting pipe. A connecting pipe, the second connecting pipe is connected to the second pumping and inflating unit, the first inner cavity is also communicated with a first communication hole, and the first communication hole has a needle that can be pierced by the acupuncture unit in the first piston tube The first closed membrane passed through, the second inner cavity is also connected with a second communication hole, and the second communication hole is provided with a second closed membrane that can be pierced by the acupuncture unit in the second piston tube; the cylinder An arc-shaped first fixing plate is also fixed at the part, an arc-shaped second fixing plate is fixed at the first fixing plate, and an arc-shaped third fixing plate is also fixed at the air leakage unit. The fixed plate is connected with an arc-shaped movable plate through a second spring, the third fixed plate also has a cutter channel, and the cutter channel has a cutter piston fixed with a cutter, and the third fixed plate also has a cutter channel. There is a pull rope through hole communicating with the cutter channel, and a limit pull rope that passes through the pull rope through hole and can be cut by the cutter is also connected between the inner wall of the cutter channel and the movable plate. A third connecting pipe is also connected between the knife channel and the air chamber, and a connection channel connecting the air cavity and the abutting air bag is also provided at the abutting air bag mounting cylinder. 5 . The high-safety gastrointestinal drainage device according to claim 1 , wherein the surface corresponding to the inner diameter of the second fixed plate abuts the tube body, and the surface corresponding to the outer diameter of the movable plate faces the tube. 6 . body. 6 . The high-safety gastrointestinal drainage device according to claim 1 , wherein there are two second springs, and the limiting pull cord is located between the two second springs. 7 . 7 . The high-safety gastrointestinal drainage device according to claim 1 , wherein a first cover portion is screwed tightly at the first communication hole, and the first cover portion is provided with the first sealing film; 8 . A second cover portion is screwed on the second communication hole, and the second cover portion is provided with the second sealing film. 8 . The high-safety gastrointestinal drainage device according to claim 1 , wherein a sliding block is fixed at the cutter piston, the sliding block has a receiving groove, and the third receiving groove passes through the third absorbing groove. 9 . The spring is connected with the limiting protruding block, and the cutting knife through groove has a limiting groove which is matched with the limiting protruding block and is used for accommodating the limiting protruding block. 9 . The high-safety gastrointestinal drainage device according to claim 1 , wherein the fixing sleeve further has two limiting ribs; the cylindrical portion and the first fixing plate are fixed by bolts, and the The air leakage unit and the third fixing plate are fixed by bolts, and a plurality of connecting rods are also connected between the first fixing plate and the third fixing plate. 10 . The high-safety gastrointestinal drainage device according to claim 1 , wherein the first and second pumping and inflating units both comprise a syringe, a push rod with a piston located in the syringe, and the syringe also There is a locking bolt that locks the relative position of the syringe and the push rod.

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