CN113101434B

CN113101434B - Gastrointestinal decompression device for digestion nursing and use method

Info

Publication number: CN113101434B
Application number: CN202110566212.6A
Authority: CN
Inventors: 刘亚男; 周照旭
Original assignee: Heilongjiang Provincial Hospital
Current assignee: Heilongjiang Provincial Hospital
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-07-01
Anticipated expiration: 2041-05-24
Also published as: CN113101434A

Abstract

The utility model discloses a gastrointestinal decompression device for digestive nursing and a using method thereof, relates to the technical field of medical nursing, and solves the problems that the currently used decompression device is low in discharge efficiency and does not have a power input structure for rapidly and manually controlling the developing of a collecting bag and generating negative pressure when the gastric contents are discharged mainly by a method for controlling air pressure. A gastrointestinal decompression device for digestive nursing and a using method thereof comprise a central cylinder; a three-section through hole is formed in the center barrel, and a sliding rod is arranged in the rear end of the three-section through hole in a sliding manner; the outside of a center section of thick bamboo slides and is provided with the sliding sleeve, through being provided with a main thread section of thick bamboo and slide bar, provides quick manual control for pressure relief device and carries out the power input structure who produces the negative pressure to collecting the bag, further utilizes to extend the frame seat and will accomodate the bag and outwards expand, produces the negative pressure, and cooperation connecting pipe and stomach tube take out stomach content to receive through the check valve and deposit, the check valve can prevent anti-gas.

Description

Gastrointestinal decompression device for digestion nursing and use method

Technical Field

The utility model relates to the technical field of medical care, in particular to a gastrointestinal decompression device for digestive nursing and a using method thereof.

Background

Gastrointestinal decompression is a method of inserting stomach tube into oral cavity or nasal cavity, connecting with disposable gastrointestinal decompression device, leading out stomach content from patient body under the action of negative pressure and siphon principle.

Through retrieval, for example, patent No. CN209253734U discloses a gastrointestinal decompression device for gastroenterology nursing, which comprises a supporting block, wherein one end of the supporting block is connected with a sleeve, a collecting box is arranged below the sleeve, a stomach tube is inserted into one end of the sleeve, the top end of the supporting block is provided with an air bag, the outer side of the air bag is provided with a blank holder, the two sides of the supporting block are provided with a plurality of convex blocks, one end of the supporting block is provided with a guide hole, the top edge of the supporting block is provided with a sinking platform, the top end of the sleeve is provided with a convex column, and one side of the convex column is connected with a rotating wheel; according to the utility model, the supporting block is put into the mouth to be held, the stomach tube is inserted into the sleeve and then enters the supporting block, and the stomach tube comes out from one end to directly reach the throat, so that the tongue is prevented from being contacted, and the phenomenon of retching of a patient is effectively prevented; through runner and stomach tube friction, the stomach tube just moves forward and drives the runner rotatory, through the girth of runner and the number of times that the shrinkage pool appears, can know the inserted length of stomach tube, avoids work loaded down with trivial details in advance and saves time.

For another example, patent No. CN210728304U discloses a novel intestines and stomach of digestion nursing decompression device, including the stomach tube, the one end of stomach tube is installed and is washd the interface, wash the one end of interface and install the drainage tube, negative pressure gravitation mouth is installed to the one end of drainage tube, the pressure display table is installed to one side of negative pressure gravitation mouth, the pressure regulating gasbag is installed to the lower extreme of negative pressure gravitation mouth, the lower extreme of pressure regulating gasbag is installed and is attracted the pipe, the surface mounting who attracts the pipe attracts the bottle plug, attract the lower extreme of bottle plug to install and attract the bottle, attract one side of bottle plug to install out the liquid pipe, the collecting pipe is installed to the one end of play liquid pipe, the collecting pipe is installed to the one end of collecting pipe, and the surface mounting who collects the pipe has the collecting bottle plug. The utility model ensures that the device is convenient to clean and confirm whether the blockage occurs through a series of structural designs, and can know the pressure, thereby preventing the gastrointestinal mucosa from being damaged due to overlarge attraction.

However, the currently used decompression device mainly removes the gastric contents by a method of controlling air pressure, is slow in discharge efficiency, does not have a power input structure for rapidly and manually controlling the development of the collecting bag and generating negative pressure, does not have a convenient and rapid function of installing, replacing and fixing the collecting bag, and is not beneficial to decompression, so that the existing requirements are not met, and the gastrointestinal decompression device for digestion nursing and the use method thereof are provided.

Disclosure of Invention

Problem (A)

The utility model aims to provide a gastrointestinal decompression device for digestive nursing and a using method thereof, and solves the problems that the currently used decompression device in the background technology mainly discharges gastric contents by a method for controlling air pressure, has low discharging efficiency, does not have a power input structure for quickly and manually controlling the development of a collecting bag and generating negative pressure, does not have the functions of conveniently and quickly installing, replacing and fixing the collecting bag, and is not beneficial to decompression.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a gastrointestinal decompression device for digestive nursing and a using method thereof comprise a central cylinder; a three-section through hole is formed in the center cylinder, and a sliding rod is arranged inside the rear end of the three-section through hole in a sliding manner; a sliding sleeve is arranged on the outer side of the central cylinder in a sliding manner; two sides of the central cylinder are rotatably provided with four groups of connecting rods A through hinge connection, the outer ends of the two groups of connecting rods A on the same side are rotatably provided with extension frame seats through hinge connection, and the two groups of connecting rods A on the same side are parallel to each other; the inner sides of the tops of the extension frame seats are provided with T-shaped slots, and locking plates are arranged in the T-shaped slots; and the T-shaped slots of the extension frame seats are internally provided with accommodating bags.

Preferably, the central cylinder further comprises a main threaded cylinder and a hand rubbing shaft; the main body of the central cylinder is of a square strip structure, and the middle of the front side of the central cylinder is rotatably provided with a main thread cylinder through a bearing; an L-shaped frame is integrally arranged at the top end of the front side of the central cylinder, a hand rubbing shaft is rotatably arranged in the middle of the L-shaped frame, and the hand rubbing shaft is in transmission connection with the main threaded cylinder through a bevel gear.

Preferably, the sliding rod further comprises a screw rod, a connecting shaft block and a connecting rod B; the front end of the sliding rod is integrally provided with a screw rod, and the screw rod is in threaded connection with the main threaded cylinder; a connecting shaft block is fixedly arranged at the rear end of the sliding rod, and two sides of the connecting shaft block are rotatably provided with two groups of connecting rods B through hinged connection; the length of the connecting rod B is consistent with that of the connecting rod A, and the outer end of the connecting rod B is hinged with the bottom of the inner side of the extending frame seat.

Preferably, the sliding sleeve further comprises side guide rods, two groups of side guide rods are fixedly arranged at two ends of the sliding sleeve, and the side guide rods penetrate through the stretching frame seats and are connected in a sliding manner; the bottom of the inner side of each extending frame seat is provided with an outwards extending shoulder structure, and the distance between the inner sides of the bottom of the extending frame seats is larger than the width of the central cylinder when the two groups of extending frame seats are attached.

Preferably, the stretching frame seat comprises an external thread cylinder and a thread sleeve; the middle of the outer end of the stretching frame seat is fixedly provided with an external thread cylinder, and the outer side of the external thread cylinder is provided with a thread sleeve in a threaded connection way; corrugated tooth-shaped structures are arranged on the inner sides of the openings of the T-shaped slots of the stretching frame bases.

Preferably, the locking plate further comprises a spring rod and an outer frame; four groups of spring rods are fixedly arranged on the outer sides of the locking plates, penetrate through the extension frame base, are sleeved with the springs and are fixedly provided with retaining pieces; an outer frame is fixedly arranged on the outer side of the locking plate and is in sliding connection with the stretching frame seat; the middle of the outer frame is connected with the external thread cylinder in a sliding way; u-shaped grooves are formed in the middle of the top parts of the stretching frame seat and the locking plate; the inside edge of locking plate all is provided with sawtooth rack column structure.

Preferably, the accommodating bag further comprises a T-shaped pipe orifice, a one-way valve, a connecting pipe and a stomach tube; the middle of the main body of the containing bag is of a corrugated pipe structure, and two sides of the main body of the containing bag are of square plate structures; the top end of one side of the containing bag is integrally provided with a T-shaped pipe orifice, and the outer end of the T-shaped pipe orifice is fixedly provided with a one-way valve through threaded connection; the other end of the check valve is fixedly provided with a connecting pipe, and the other end of the connecting pipe is fixedly provided with a stomach tube.

The utility model discloses a gastrointestinal decompression device for digestion nursing and a using method, which are characterized by comprising the following steps of:

1) during preassembling, the square plate structures on two sides of the containing bag are inserted into the gap between the inner sides of the extending frame seat and the locking plate, the threaded sleeve is manually rotated, the outer frame and the locking plate are moved inwards by utilizing the locking structure of the threaded sleeve and the external threaded cylinder, and the side of the containing bag is fixed by utilizing the sawtooth-shaped structure on the side of the locking plate to buckle the corrugated tooth-shaped structure of the extending frame seat; when needing to be changed, loosen the thread bush, the locking plate passes through the outer spring automatic re-setting of spring beam, can take the storage bag out this moment and change.

2) When the decompression is used, the stomach tube is inserted into the stomach to contact with the gastric content, the shaft is rubbed with the hands in manual rotation, the shaft is rubbed with the hands to drive the main thread cylinder to rotate through bevel gear transmission, the main thread cylinder retracts through thread transmission with the sliding rod, the stretching frame seat is outwards pushed and unfolded by utilizing the connecting rod A and the connecting rod B, the bag is outwards unfolded by further utilizing the stretching frame seat, negative pressure is generated, the stomach content is extracted by the matching connecting pipe and the stomach tube, and the stomach content is stored by the one-way valve.

(III) advantageous effects

The utility model provides a gastrointestinal decompression device for digestive nursing and a using method thereof, a main thread cylinder and a sliding rod are arranged, a power input structure which can quickly and manually control a collecting bag to be developed and generate negative pressure is provided for the decompression device, when the decompression device is used, insert the stomach tube and contact stomach content in the stomach, the axle is rubbed with the hands to manual rotation hand, it is rotatory that the axle is rubbed with the hands to drive a main thread section of thick bamboo through bevel gear transmission, a main thread section of thick bamboo is passed through screw drive indentation with the slide bar, a main thread section of thick bamboo has constituteed slider mechanism with slide bar cooperation connecting rod A and connecting rod B, cooperation side guide arm can keep extending the horizontal parallel translation of frame seat, utilize connecting rod A and connecting rod B to stretch frame seat outwards to promote to expand, further utilize to extend frame seat and will accomodate the bag and outwards expand, produce the negative pressure, cooperation connecting pipe and stomach tube take out stomach content, and receive through the check valve and deposit, the check valve can prevent the gas return.

Secondly, the arrangement of the stretching frame seat and the locking plate provides a convenient and quick collecting bag installation, replacement and fixing function for the pressure reducing device, when the pressure reducing device is required to be used, square plate structures on two sides of the containing bag are inserted into a gap between the stretching frame seat and the inner side of the locking plate, the threaded sleeve is manually rotated, the outer frame and the locking plate are moved inwards by utilizing the locking structure of the threaded sleeve and the external threaded cylinder, and the side of the containing bag is fixed by utilizing the sawtooth strip-shaped structure on the side of the locking plate to lock the corrugated tooth-shaped structure of the stretching frame seat; when needing to be changed, loosen the thread bush, the locking plate passes through the outer spring automatic re-setting of spring beam, can take the storage bag out this moment and change, and control is simple stability is strong.

Moreover, the setting of check valve, connecting pipe and stomach tube provides one-way supplementary collection function for pressure relief device, can avoid the object of stomach to hold the refluence through the check valve, and the feature of environmental protection is strong, and the security is strong, and the overall structure who just collects the bag is simple, and the cost is lower, makes things convenient for in batches.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic axial side view of an embodiment of the present invention;

FIG. 3 is a schematic bottom view of an embodiment of the present invention;

FIG. 4 is a partial perspective view of an embodiment of the present invention;

FIG. 5 is a partial bottom view of an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a storage bag according to an embodiment of the present invention;

FIG. 7 is a schematic view of a partial cross-sectional structure of a center cartridge in an embodiment of the present invention;

in fig. 1 to 7, the correspondence between the part names or lines and the reference numbers is:

1. a central barrel; 101. a main threaded barrel; 102. rubbing the shaft by hand; 103. a connecting rod A; 2. a slide bar; 201. a screw; 202. a coupling block; 203. a connecting rod B; 3. a sliding sleeve; 301. a side guide bar; 4. an extending frame seat; 401. an externally threaded barrel; 402. a threaded sleeve; 5. a locking plate; 501. a spring lever; 502. an outer frame; 6. a receiving capsule; 601. a T-shaped pipe orifice; 602. a one-way valve; 603. a connecting pipe; 604. a gastric tube.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, an embodiment of the present invention includes: a gastrointestinal decompression device for digestive nursing and a using method thereof comprise a central cylinder 1; the central cylinder 1 also comprises a main thread cylinder 101 and a hand rubbing shaft 102; the main body of the central cylinder 1 is of a square strip structure, and the middle of the front side of the central cylinder 1 is rotatably provided with a main threaded cylinder 101 through a bearing; an L-shaped frame is integrally arranged at the top end of the front side of the central cylinder 1, a hand rubbing shaft 102 is rotatably arranged in the middle of the L-shaped frame, and the hand rubbing shaft 102 is in transmission connection with a main threaded cylinder 101 through a bevel gear; a three-section through hole is formed in the center barrel 1, and a sliding rod 2 is arranged inside the rear end of the three-section through hole in a sliding manner; the sliding rod 2 also comprises a screw 201, a coupling block 202 and a connecting rod B203; the front end of the sliding rod 2 is integrally provided with a screw rod 201, and the screw rod 201 is in threaded connection with the main threaded cylinder 101; a coupling block 202 is fixedly arranged at the rear end of the sliding rod 2, and two sides of the coupling block 202 are rotatably provided with two groups of connecting rods B203 through hinged connection; the length of the connecting rod B203 is consistent with that of the connecting rod A103, and the outer end of the connecting rod B203 is hinged with the bottom of the inner side of the extending frame seat 4; a sliding sleeve 3 is arranged outside the central cylinder 1 in a sliding manner; the sliding sleeve 3 also comprises side guide rods 301, two groups of side guide rods 301 are fixedly arranged at two ends of the sliding sleeve 3, and the side guide rods 301 penetrate through the extension frame seat 4 to be connected in a sliding manner; the bottom of the inner side of each extending frame seat 4 is provided with an outward extending shoulder structure, and the distance between the inner sides of the bottoms of the extending frame seats 4 is larger than the width of the central cylinder 1 when the two groups of extending frame seats 4 are attached; two sides of the central cylinder 1 are rotatably provided with four groups of connecting rods A103 through hinge connection, the outer ends of the two groups of connecting rods A103 on the same side are rotatably provided with extension frame seats 4 through hinge connection, and the two groups of connecting rods A103 on the same side are parallel to each other; an extension frame seat 4, an external thread cylinder 401 and a thread sleeve 402; the middle of the outer end of the stretching frame seat 4 is fixedly provided with an external thread cylinder 401, and the outer side of the external thread cylinder 401 is provided with a thread sleeve 402 through thread connection; corrugated tooth-shaped structures are arranged on the inner sides of the openings of the T-shaped slots of the stretching frame bases 4; the inner sides of the tops of the stretching frame seats 4 are provided with T-shaped slots, and locking plates 5 are arranged in the T-shaped slots; the locking plate 5 further comprises a spring rod 501 and an outer frame 502; four groups of spring rods 501 are fixedly arranged on the outer side of the locking plate 5, and the spring rods 501 penetrate through the extension frame base 4 and are sleeved with springs and are fixedly provided with blocking pieces; an outer frame 502 is fixedly arranged on the outer side of the locking plate 5, and the outer frame 502 is connected with the stretching frame seat 4 in a sliding manner; the middle of the outer frame 502 is connected with the external thread cylinder 401 in a sliding way; u-shaped grooves are formed in the middle of the top parts of the extension frame seat 4 and the locking plate 5; the inner side edges of the locking plates 5 are provided with sawtooth strip-shaped structures; the T-shaped slots of the extending frame seats 4 are all provided with containing bags 6.

Wherein, the containing bag 6 also comprises a T-shaped nozzle 601, a one-way valve 602, a connecting pipe 603 and a stomach tube 604; the middle of the main body of the containing bag 6 is of a corrugated pipe structure, and two sides of the main body of the containing bag 6 are of square plate structures; a T-shaped pipe orifice 601 is integrally arranged at the top end of one side of the accommodating bag 6, and a one-way valve 602 is fixedly arranged at the outer end of the T-shaped pipe orifice 601 through threaded connection; the other end of the one-way valve 602 is fixedly provided with a connecting tube 603, and the other end of the connecting tube 603 is fixedly provided with a gastric tube 604.

1) during preassembly, the square plate structures on the two sides of the containing bag 6 are inserted into the gap between the inner sides of the extending frame seat 4 and the locking plate 5, the threaded sleeve 402 is manually rotated, the outer frame 502 and the locking plate 5 are moved inwards by utilizing the locking structures of the threaded sleeve 402 and the external threaded cylinder 401, and the side of the containing bag 6 is fixed by utilizing the sawtooth-shaped structure on the side of the locking plate 5 to buckle the corrugated-toothed structure of the extending frame seat 4; when the storage bag needs to be replaced, the threaded sleeve 402 is loosened, the locking plate 5 automatically resets through a spring outside the spring rod 501, and the storage bag 6 can be drawn out for replacement.

2) When the stomach tube is used for decompression, the stomach tube 604 is inserted into the stomach and contacts with stomach contents, the hand rubbing shaft 102 is rotated manually, the hand rubbing shaft 102 drives the main thread cylinder 101 to rotate through bevel gear transmission, the main thread cylinder 101 and the sliding rod 2 retract through thread transmission, the extension frame seat 4 is pushed outwards and unfolded by the connecting rod A103 and the connecting rod B203, the storage bag 6 is unfolded outwards by the extension frame seat 4, negative pressure is generated, the stomach contents are extracted by the matching of the connecting pipe 603 and the stomach tube 604, and the stomach contents are stored through the one-way valve 602.

The working principle is as follows: when the folding type folding; when the storage bag needs to be replaced, the threaded sleeve 402 is loosened, the locking plate 5 automatically resets through a spring outside the spring rod 501, and the storage bag 6 can be drawn out for replacement; when the stomach tube is used for decompression, the stomach tube 604 is inserted into the stomach and contacts with stomach contents, the hand rubbing shaft 102 is rotated manually, the hand rubbing shaft 102 drives the main thread cylinder 101 to rotate through bevel gear transmission, the main thread cylinder 101 and the sliding rod 2 retract through thread transmission, the main thread cylinder 101 and the sliding rod 2 are matched with the connecting rod A103 and the connecting rod B203 to form a sliding block mechanism, the matching side guide rod 301 can keep the transverse parallel movement of the extension frame seat 4, the extension frame seat 4 is pushed outwards and unfolded through the connecting rod A103 and the connecting rod B203, the extension frame seat 4 is further used for unfolding the receiving bag 6 outwards, negative pressure is generated, the stomach contents are extracted through the matching connecting pipe 603 and the stomach tube 604, and the stomach contents are received and stored through the one-way valve 602.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A digestion nursing intestines and stomach pressure relief device which characterized in that: comprising a central cylinder (1); a three-section through hole is formed in the center barrel (1), and a sliding rod (2) is arranged in the rear end of the three-section through hole in a sliding manner; a sliding sleeve (3) is arranged on the outer side of the central cylinder (1) in a sliding manner; two sides of the central cylinder (1) are rotatably provided with four groups of connecting rods A (103) through hinged connection, the outer ends of the two groups of connecting rods A (103) on the same side are rotatably provided with extending frame bases (4) through hinged connection, and the two groups of connecting rods A (103) on the same side are parallel to each other; the inner sides of the tops of the extension frame seats (4) are provided with T-shaped slots, and locking plates (5) are arranged in the T-shaped slots; the T-shaped slots of the stretching frame seats (4) are internally provided with accommodating bags (6);

the central cylinder (1) also comprises a main thread cylinder (101) and a hand rubbing shaft (102); the main body of the central cylinder (1) is of a square strip structure, and the middle of the front side of the central cylinder (1) is rotatably provided with a main threaded cylinder (101) through a bearing; an L-shaped frame is integrally arranged at the top end of the front side of the central cylinder (1), a hand rubbing shaft (102) is rotatably arranged in the middle of the L-shaped frame, and the hand rubbing shaft (102) is in transmission connection with a main threaded cylinder (101) through a bevel gear;

the sliding rod (2) also comprises a screw rod (201), a coupling block (202) and a connecting rod B (203); the front end of the sliding rod (2) is integrally provided with a screw rod (201), and the screw rod (201) is in threaded connection with the main threaded cylinder (101); a connecting shaft block (202) is fixedly arranged at the rear end of the sliding rod (2), and two sides of the connecting shaft block (202) are rotatably provided with two groups of connecting rods B (203) through hinged connection; the length of the connecting rod B (203) is consistent with that of the connecting rod A (103), and the outer end of the connecting rod B (203) is hinged with the bottom of the inner side of the extending frame seat (4).

2. A digestive care gastrointestinal decompression device according to claim 1, wherein: the sliding sleeve (3) further comprises side guide rods (301), two groups of side guide rods (301) are fixedly arranged at two ends of the sliding sleeve (3), and the side guide rods (301) penetrate through the extension frame base (4) to be connected in a sliding mode; the bottom of the inner side of each stretching frame seat (4) is provided with an outwards-expanded shoulder structure, and the distance between the inner sides of the bottoms of the stretching frame seats (4) is larger than the width of the central cylinder (1) when the two groups of stretching frame seats (4) are attached.

3. A digestive care gastrointestinal decompression device according to claim 1, wherein: the stretching frame seat (4) comprises an external thread cylinder (401) and a thread sleeve (402); the middle of the outer end of the stretching frame seat (4) is fixedly provided with an external thread cylinder (401), and the outer side of the external thread cylinder (401) is provided with a thread sleeve (402) through thread connection; corrugated tooth-shaped structures are arranged on the inner sides of the openings of the T-shaped slots of the stretching frame seats (4).

4. A digestive care gastrointestinal decompression device according to claim 1, wherein: the locking plate (5) further comprises a spring rod (501) and an outer frame (502); four groups of spring rods (501) are fixedly arranged on the outer side of the locking plate (5), and the spring rods (501) penetrate through the extension frame base (4) to be sleeved with springs and are fixedly provided with blocking pieces; an outer frame (502) is fixedly arranged on the outer side of the locking plate (5), and the outer frame (502) is connected with the stretching frame seat (4) in a sliding manner; the middle of the outer frame (502) is connected with the external thread cylinder (401) in a sliding way; u-shaped grooves are formed in the middle of the top parts of the extension frame seat (4) and the locking plate (5); the inner side edges of the locking plates (5) are provided with sawtooth strip-shaped structures.

5. A digestive care gastrointestinal decompression device according to claim 1, wherein: the accommodating bag (6) also comprises a T-shaped pipe orifice (601), a one-way valve (602), a connecting pipe (603) and a stomach tube (604); the middle of the main body of the containing bag (6) is of a corrugated pipe structure, and two sides of the main body of the containing bag (6) are of square plate structures; a T-shaped pipe orifice (601) is integrally arranged at the top end of one side of the containing bag (6), and a one-way valve (602) is fixedly arranged at the outer end of the T-shaped pipe orifice (601) through threaded connection; the other end of the one-way valve (602) is fixedly provided with a connecting pipe (603), and the other end of the connecting pipe (603) is fixedly provided with a stomach tube (604).

6. The use of a digestive care gastrointestinal decompression apparatus according to any one of claims 1 to 5 comprising the steps of:

1) during preassembling, the square plate structures on two sides of the accommodating bag (6) are inserted into the gap between the inner sides of the extending frame seat (4) and the locking plate (5), the threaded sleeve (402) is manually rotated, the outer frame (502) and the locking plate (5) are moved inwards by utilizing the locking structures of the threaded sleeve (402) and the external thread cylinder (401), and the side of the accommodating bag (6) is fixed by utilizing the sawtooth-shaped structure on the side of the locking plate (5) to buckle the corrugated tooth-shaped structure of the extending frame seat (4); when the storage bag needs to be replaced, the threaded sleeve (402) is loosened, the locking plate (5) automatically resets through a spring outside the spring rod (501), and the storage bag (6) can be drawn out for replacement;

2) when the stomach tube is used in decompression, the stomach tube (604) is inserted into the stomach and contacts with stomach contents, the hand rubbing shaft (102) is rotated manually, the hand rubbing shaft (102) drives the main thread cylinder (101) to rotate through bevel gear transmission, the main thread cylinder (101) and the sliding rod (2) retract through thread transmission, the stretching frame seat (4) is pushed outwards to be unfolded by the connecting rod A (103) and the connecting rod B (203), the stretching frame seat (4) is further utilized to outwards unfold the containing bag (6), negative pressure is generated, the stomach contents are drawn out by matching the connecting pipe (603) and the stomach tube (604), and the stomach contents are stored through the one-way valve (602).