Gastrointestinal decompression device with anti-blocking function

Abstract

The utility model discloses a gastrointestinal decompression device with an anti-blocking function, which belongs to the technical field of medical instruments and comprises a negative pressure drainage apparatus, a drainage tube component capable of being sealed at any time is mounted on the negative pressure drainage apparatus, and the drainage tube component comprises a drainage tube device, a pressing plate device and a locking device. One end of the pressing plate device is connected with the pressure drainage device, the other end of the pressing plate device is connected with the drainage tube, and the locking device is arranged on the pressing plate device; the drainage tube device is provided with an anti-blocking device of the dredging device, the bottom of the negative pressure drainage device is provided with a sampling assembly used for facilitating sampling, and the top of the negative pressure drainage device is provided with an exhaust assembly used for exhausting gas. According to the gastrointestinal decompression device, sealing of the third drainage tube is relieved by rotating the first sealing cover, meanwhile, the second drainage tube is blocked by pressing the pressing plate, and at the moment, the needle tube is inserted into the third drainage tube to suck out substances blocking the tube, so that it can be guaranteed that gas in the stomach is exhausted in time, and meanwhile it is avoided that the tube is replaced again when the tube is blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a gastrointestinal decompression device with an anti-blocking function. Background Art

[0002] In order to promote the healing of wounds and functional recovery after gastric and intestinal surgery, a negative pressure device is usually used to suck out the gas and liquid in the patient's stomach, thereby reducing the pressure in the patient's stomach and intestines so that they are no longer in a tense state, thereby achieving the effect of promoting the patient's recovery.

[0003] For example, Chinese utility model patent CN218739689U discloses a gastrointestinal decompression device, in which drainage holes and exhaust holes are provided on the upper shell for the drainage tube and exhaust pipe at the top of the negative pressure drain device to pass through. The top and bottom of the negative pressure drain device are fixed by gluing, which facilitates the replacement of the negative pressure drain device.

[0004] However, it still has the following disadvantages: during the drainage process, some solid matter may block the drainage tube, causing the device to be unable to discharge liquid and gas into the negative pressure device normally; at the same time, if the device does not block the drainage tube when exhausting, it may cause gas to re-enter the patient's body.

[0005] Based on this, the utility model designs a gastrointestinal decompression device with an anti-blocking function to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a gastrointestinal decompression device with an anti-blocking function.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A gastrointestinal decompression device with an anti-blocking function, comprising a negative pressure drainer, on which a drainage tube assembly capable of being sealed at any time is installed;

[0009] The drainage tube assembly comprises a drainage tube device, a pressing plate device and a locking device, one end of the pressing plate device is connected to the pressure drainer, and the other end is connected to the drainage tube device, and the locking device is arranged on the pressing plate device;

[0010] The drainage tube device is provided with an anti-blocking device of a dredging device;

[0011] A sampling assembly for facilitating sampling is installed at the bottom of the negative pressure drain;

[0012] An exhaust assembly for exhausting gas is installed on the top of the negative pressure drainer.

[0013] Furthermore, the clamping plate device includes a fixed block, a clamping plate, a slot, a drainage tube 2 and a rotating shaft. The top of the negative pressure drainer is fixedly connected to the drainage tube 2, the left end of the drainage tube 2 is inserted into the right end of the fixed block, the left end of the fixed block is connected to the drainage tube device, a slot is opened on the top of the right end of the fixed block, the top left side of the slot is rotatably connected to the rotating shaft, the clamping plate is fixedly connected to the rotating shaft, and the clamping plate is connected to the locking device.

[0014] Furthermore, the locking device includes a slide groove 1, a tooth block, a locking block, a slider, a slide groove 2, a slot hole and a spring, two slot holes are respectively provided on the front and rear side surfaces of the right end of the pressure plate, and two springs are respectively fixedly connected to the opposite ends of the two slot holes, and two locking blocks are respectively fixedly connected to the opposite ends of the two springs, and the locking block extends to the outside of the slot hole at one end away from the spring, and the locking block is slidably connected to the slot hole, and two slide grooves 2 are respectively provided on the front and rear sides of the right end surface of the pressure plate, the slide grooves 2 are connected to the slot hole, and two sliders are respectively slidably connected in the two slide grooves 2, one end of the slider is fixedly connected to the right side surface of the locking block, and slide grooves 1 are provided at the front and rear ends of the right end of the slot, and a plurality of tooth blocks are fixedly connected in each slide groove 1 at equal intervals, and the end of the locking block located on the outside of the slot can be stuck in the gap between the two tooth blocks.

[0015] Furthermore, the drainage tube device includes a drainage tube 1 and a connector, the left end of the fixed block is threadedly connected to the connector, the left end of the connector is fixedly connected to the drainage tube 1, and the anti-blocking device is arranged on the drainage tube 1.

[0016] Furthermore, a threaded shell is sleeved on the outer wall of the end of the connector close to the fixing block.

[0017] Furthermore, the anti-clogging device includes a drainage tube three, a sealing cover one, a connecting belt one and a limiting ring. The drainage tube three is fixedly connected to the outer wall of the drainage tube one, the end of the drainage tube three away from the drainage tube one is threadedly connected to the sealing cover one, the outer wall of the sealing cover one is rotatably connected to the limiting ring, the top side of the end of the drainage tube three away from the drainage tube one is fixedly connected to the connecting belt one, and the other end of the connecting belt one is fixedly connected to the limiting ring.

[0018] Furthermore, a circular groove is formed on an outer wall of the sealing cover, and a limiting ring slightly larger than the circular groove is sleeved on the outer wall of the circular groove.

[0019] Furthermore, the sampling assembly includes a sealing cover 2, a liquid outlet pipe, a connecting belt 2, a sealing plug and a liquid storage tank. A liquid storage tank is opened on the right side of the bottom of the negative pressure drainage device. A liquid outlet pipe is fixedly connected to the right side of the bottom of the negative pressure drainage device. The liquid outlet pipe is connected to the inside of the negative pressure drainage device. A sealing plug is fixedly connected to the inner wall of the liquid outlet pipe. A sealing cover 2 is provided on the right end cover of the liquid outlet pipe. The lower side of the right end of the liquid outlet pipe is fixedly connected to one end of the connecting belt 2, and the other end of the connecting belt 2 is fixedly connected to the sealing cover 2.

[0020] Furthermore, the sealing plug is made of rubber material.

[0021] Furthermore, the exhaust assembly includes an exhaust pipe, a sealing cover three and a connecting belt three. The exhaust pipe is fixedly connected to the top of the negative pressure drain device, the exhaust pipe is connected to the inside of the negative pressure drain device, the top cover of the exhaust pipe is provided with a sealing cover three, the top side of the exhaust pipe is fixedly connected to one end of the connecting belt three, and the other end of the connecting belt three is fixedly connected to the sealing cover three.

[0022] The utility model has the following technical effects:

[0023] 1. The utility model presses the pressing plate so that the right end of the pressing plate presses and flattens the drainage tube 2, thereby preventing the flow of gas in the drainage tube 2, so that the negative pressure drain device always maintains a negative pressure state, avoiding gas leakage during installation that causes the device to lose its effect; at the same time, the elastic force of the spring is used to drive the locking block and the tooth block to cooperate and lock, so that the right end of the pressing plate maintains pressure on the drainage tube 2.

[0024] 2. The utility model releases the seal on the drainage tube three by rotating the sealing cover one, and at the same time presses the compression plate to block the drainage tube two. At this time, the substance blocking the tube can be sucked out by inserting a needle tube into the drainage tube three. By sucking out the substance blocking the tube, the gas in the stomach can be discharged in time, and at the same time, it is avoided to replace the tube again when it is blocked, thereby reducing damage to the patient.

[0025] 3. The utility model pulls the sealing cover 2 to move away from the liquid outlet tube, and at the same time passes the needle tube through the sealing plug to extract liquid from the liquid storage tank. After the sampling is completed, the liquid outlet tube is blocked by covering the sealing cover 2 on the liquid outlet tube. By sampling and testing the liquid discharged from the patient's stomach, the patient's physical condition can be understood in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 The utility model is a three-dimensional gastrointestinal decompression device with anti-blocking function Figure 1 ;

[0028] Figure 2 It is a front view of a gastrointestinal decompression device with anti-blocking function according to the utility model;

[0029] Figure 3It is a left view of a gastrointestinal decompression device with anti-blocking function of the utility model;

[0030] Figure 4 The utility model is a three-dimensional gastrointestinal decompression device with anti-blocking function Figure 2 ;

[0031] Figure 5 For along Figure 3 AA direction cross-sectional view;

[0032] Figure 6 For along Figure 3 BB direction cross-sectional view;

[0033] Figure 7 for Figure 6 Enlarged view of point C in the middle;

[0034] Figure 8 for Figure 4 The enlarged view of point D in the middle;

[0035] Fig. 9 for Figure 5 Enlarged view of point E in the middle.

[0036] The numbers in the figure represent:

[0037] 1. Negative pressure drain; 2. Drainage tube assembly; 21. Drainage tube device; 22. Pressing plate device; 23. Locking device; 211. Drainage tube one; 212. Connector; 221. Fixing block; 222. Pressing plate; 223. Notch; 224. Drainage tube two; 225. Rotating shaft; 231. Slide groove one; 232. Tooth block; 233. Locking block; 234. Sliding block; 235. Slide groove two; 236. Slot hole; 237. Spring; 3. Anti-blocking device; 31. Drainage tube three; 32. Sealing cover one; 33. Connecting belt one; 34. Limiting ring; 4. Sampling assembly; 41. Sealing cover two; 42. Liquid outlet pipe; 43. Connecting belt two; 44. Sealing plug; 45. Liquid storage tank; 5. Exhaust assembly; 51. Exhaust pipe; 52. Sealing cover three; 53. Connecting belt three. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] The utility model is further described below in conjunction with embodiments.

[0040] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0041] Example 1

[0042] Please refer to the instruction manual Figure 1-9 A gastrointestinal decompression device with anti-blocking function includes a negative pressure drainer 1, on which a drainage tube assembly 2 for sealing at any time is installed, and the drainage tube assembly 2 includes a drainage tube device 21, a pressing plate device 22 and a locking device 23, one end of the pressing plate device 22 is connected to the pressure drainer 1, and the other end is connected to the drainage tube device 21, and the locking device 23 is arranged on the pressing plate device 22. An anti-blocking device 3 of a dredging device is installed on the drainage tube device 21, a sampling assembly 4 for facilitating sampling is installed at the bottom of the negative pressure drainer 1, and an exhaust assembly 5 for gas exhaust is installed at the top of the negative pressure drainer 1.

[0043] The clamping plate device 22 includes a fixed block 221, a clamping plate 222, a notch 223, a drainage tube 224 and a rotating shaft 225. The fixed block 221 is an internal hollow structure, and the left and right ends of the fixed block 221 are both through-shaped. The top of the negative pressure drainer 1 is fixedly connected to the drainage tube 224, and the left end of the drainage tube 224 is inserted into the right end of the fixed block 221. The left end of the fixed block 221 is connected to the drainage tube device 21. A notch 223 is provided on the top of the right end of the fixed block 221, and the rotating shaft 225 is rotatably connected to the top left side of the notch 223. The clamping plate 222 is fixedly connected to the rotating shaft 225, and the clamping plate 222 is connected to the locking device 23.

[0044] The locking device 23 includes a slide groove 1 231, a tooth block 232, a locking block 233, a slider 234, a slide groove 235, a slot hole 236 and a spring 237. Two slot holes 236 are respectively provided on the front and rear sides of the right end of the pressing plate 222. Two springs 237 are fixedly connected to the two slot holes 236 at the ends facing each other. Two locking blocks 233 are fixedly connected to the two ends of the two springs 237 at the ends facing each other. One end of the locking block 233 away from the spring 237 extends to the outside of the slot hole 236, and the locking block 233 is slidably connected to the slot hole 236. Two slide grooves 235 are respectively provided on the front and rear sides of the right end surface of the pressing plate 222, and the slide grooves 235 are connected to the slot hole 236. Two sliders 234 are slidably connected in the two slide grooves 235, and one end of the slider 234 is fixedly connected to the right side surface of the locking block 233. Slide grooves 1 231 are provided on the front and rear ends of the right end of the slot 223, and multiple tooth blocks 232 are fixedly connected in each slide groove 1 231 at equal intervals. The end of the locking block 233 located on the outer side of the slot 223 can be stuck in the gap between the two tooth blocks 232.

[0045] The drainage tube device 21 includes a drainage tube 211 and a connector 212. The left end of the fixed block 221 is threadedly connected to the connector 212. The left end of the connector 212 is fixedly connected to the drainage tube 211. The anti-blocking device 3 is arranged on the drainage tube 211.

[0046] Preferably, a threaded shell is sleeved on the outer wall of the end of the connector 212 near the fixing block 221. When the threaded shell on the rotating connector 212 is connected to the fixing block 221, the drainage tube 211 can be prevented from rotating in the patient's body, thereby avoiding damage to the patient's body.

[0047] In the embodiment of the utility model, when the device starts to be installed, the right end of the pressing plate 222 is pressed to drive the rotating shaft 225 to rotate in the slot 223, and the rotating pressing plate 222 drives the locking block 233 to slide in the sliding groove 1 231 opened on the slot 223; when the pressing plate 222 presses and flattens the drainage tube 224, the elastic force of the spring 237 pushes the locking block 233 to move along the slot 236, thereby driving the locking block 233 to cooperate with the tooth block 232 to lock; by One end of the first hose 211 is inserted into the patient's body, and the other end of the drainage tube 1 211 is fixed inside the left end of the fixing block 221 by rotating the connector 212; when the installation is completed, the locking block 233 is moved downward and disengaged from the tooth block 232 by pressing the clamping plate 222, and the two sliders 234 are pulled toward each other, thereby driving the locking block 233 to move along the slot 236, releasing the lock on the tooth block 232, and at this time, the compression of the drainage tube 2 224 is released by rotating the clamping plate 222. By compressing and flattening the drainage tube 2 224 during installation, the negative pressure drain 1 is always kept in a negative pressure state, avoiding gas leakage during installation that causes the device to lose its effect.

[0048] Example 2

[0049] Please refer to the instruction manual Figure 4-8 The anti-clogging device 3 includes a drainage tube 3 31, a sealing cover 32, a connecting belt 33 and a limiting ring 34. The drainage tube 3 31 is fixedly connected to the outer wall of the drainage tube 211, and the end of the drainage tube 3 31 away from the drainage tube 211 is threadedly connected with the sealing cover 32, the outer wall of the sealing cover 32 is rotatably connected with the limiting ring 34, and the top side of the end of the drainage tube 3 31 away from the drainage tube 211 is fixedly connected with the connecting belt 33, and the other end of the connecting belt 33 is fixedly connected to the limiting ring 34.

[0050] Preferably, a circular groove is formed on the outer wall of the sealing cover 1 32, and a limiting ring 34 slightly larger than the circular groove is sleeved on the outer wall of the circular groove. By sleeved on the sealing cover 1 32, the limiting ring 34 can be prevented from falling off from the sealing cover 1 32.

[0051] In the embodiment of the utility model, when the pipeline is blocked, the seal of the drainage tube 31 is released by rotating the sealing cover 32, and the sealing cover 32 rotates in the limiting ring 34 to avoid driving the connecting belt 33 to rotate and break the connecting belt 33, and at the same time, the clamping plate 222 is pressed to block the pipeline drainage tube 224. At this time, the material blocking the pipeline is sucked out by inserting a needle into the drainage tube 31. The function of the connecting belt 33 is to fix the limiting ring 34 and the sealing cover 32 to avoid loss. By sucking out the blocked material in the pipeline, the gas in the stomach can be discharged in time, and at the same time, it is avoided to replace the pipeline when it is blocked, thereby reducing damage to the patient.

[0052] Example 3

[0053] Please refer to the instruction manual Figure 4-9 The sampling component 4 includes a sealing cover 41, a liquid outlet pipe 42, a connecting belt 43, a sealing plug 44 and a liquid storage tank 45. A liquid storage tank 45 is opened on the right side of the bottom of the negative pressure drainage device 1. The liquid outlet pipe 42 is fixedly connected to the right side of the bottom of the negative pressure drainage device 1. The liquid outlet pipe 42 is communicated with the inside of the negative pressure drainage device 1. A sealing plug 44 is fixedly connected to the inner wall of the liquid outlet pipe 42. A sealing cover 41 is provided on the right end cover of the liquid outlet pipe 42. The lower side of the right end of the liquid outlet pipe 42 is fixedly connected to one end of the connecting belt 43, and the other end of the connecting belt 43 is fixedly connected to the sealing cover 41.

[0054] Preferably, the sealing plug 44 is made of rubber material, which facilitates the insertion of the sharp part of the needle into the device for sampling, and prevents the gas leakage of the device from destroying the negative pressure environment during sampling.

[0055] In the embodiment of the utility model, when the device starts sampling, the sealing cover 2 41 of the sampling assembly 4 is pulled to move away from the liquid outlet tube 42, and at the same time, the needle tube is passed through the sealing plug 44 to extract liquid from the liquid storage tank 45; when the sampling is completed, the sealing cover 2 41 is placed on the liquid outlet tube 42 to block the liquid outlet tube 42. The function of the connecting belt 2 43 is to fix the sealing cover 2 41 to prevent it from being lost. By sampling and testing the liquid discharged from the patient's stomach, the patient's physical condition can be understood in time.

[0056] The exhaust assembly 5 includes an exhaust pipe 51, a sealing cover 52 and a connecting belt 53. The exhaust pipe 51 is fixedly connected to the top of the negative pressure drain device 1. The exhaust pipe 51 is communicated with the interior of the negative pressure drain device 1. The top cover of the exhaust pipe 51 is provided with a sealing cover 52. The top side surface of the exhaust pipe 51 is fixedly connected to one end of the connecting belt 53, and the other end of the connecting belt 53 is fixedly connected to the sealing cover 52.

[0057] In the embodiment of the utility model, when the device starts to exhaust, the sealing cover three 52 is pulled away from the exhaust pipe 51, and the drainage tube two 224 is sealed by pressing the clamping plate 222. At this time, the gas is discharged from the exhaust pipe 51 by pressing the negative pressure drainer 1. The function of the connecting belt three 53 is to fix the sealing cover three 52 to prevent it from being lost. By discharging excess gas in the device, the device can be restored to a negative pressure state, so that the device can be used multiple times.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A gastrointestinal decompression device with anti-blocking function, comprising a negative pressure drain (1), characterized in that: The negative pressure drain device (1) is provided with a drainage tube assembly (2) which can be sealed at any time; The drainage tube assembly (2) comprises a drainage tube device (21), a pressing plate device (22) and a locking device (23); one end of the pressing plate device (22) is connected to the pressure drain device (1), and the other end is connected to the drainage tube device (21); and the locking device (23) is arranged on the pressing plate device (22); The drainage tube device (21) is provided with an anti-blocking device (3) of a dredging device; A sampling assembly (4) for facilitating sampling is installed at the bottom of the negative pressure drain device (1); An exhaust assembly (5) for exhausting gas is installed on the top of the negative pressure drain device (1).

2. The gastrointestinal decompression device with anti-blocking function according to claim 1, characterized in that: The clamping plate device (22) comprises a fixed block (221), a clamping plate (222), a notch (223), a second drainage tube (224) and a rotating shaft (225); the top of the negative pressure drainer (1) is fixedly connected to the second drainage tube (224); the left end of the second drainage tube (224) is inserted into the right end of the fixed block (221); the left end of the fixed block (221) is connected to the drainage tube device (21); the top of the right end of the fixed block (221) is provided with a notch (223); the top of the left side of the notch (223) is rotatably connected to the rotating shaft (225); the clamping plate (222) is fixedly connected to the rotating shaft (225); and the clamping plate (222) is connected to the locking device (23).

3. The gastrointestinal decompression device with anti-blocking function according to claim 2, characterized in that: The locking device (23) comprises a first slide groove (231), a tooth block (232), a locking block (233), a slider (234), a second slide groove (235), a slot hole (236) and a spring (237). Two slot holes (236) are respectively provided on the front and rear side surfaces of the right end of the pressing plate (222). The two slot holes (236) are respectively fixedly connected with springs (237) at the ends facing each other. The two springs (237) are respectively fixedly connected with two locking blocks (233) at the ends facing each other. The end of the locking block (233) away from the spring (237) extends to the outside of the slot hole (236), and the locking block (233) and the slot hole (236) are respectively fixedly connected. Sliding connection, two slide grooves (235) are respectively provided on the front and rear sides of the right end surface of the pressing plate (222), and the slide grooves (235) are connected to the slot hole (236). Two sliders (234) are respectively slidably connected in the two slide grooves (235), and one end of the slider (234) is fixedly connected to the right side surface of the locking block (233). Slide grooves (231) are provided on the front and rear ends of the right end of the notch (223), and multiple tooth blocks (232) are fixedly connected in each slide groove (231) at equal intervals. The end of the locking block (233) located outside the notch (223) can be inserted into the gap between the two tooth blocks (232).

4. The gastrointestinal decompression device with anti-blocking function according to claim 2, characterized in that: The drainage tube device (21) comprises a drainage tube 1 (211) and a connector (212); the left end of the fixed block (221) is threadedly connected to the connector (212); the left end of the connector (212) is fixedly connected to the drainage tube 1 (211); and the anti-blocking device (3) is arranged on the drainage tube 1 (211).

5. The gastrointestinal decompression device with anti-blocking function according to claim 4, characterized in that: The outer wall of the end of the connector (212) close to the fixing block (221) is covered with a threaded outer shell.

6. The gastrointestinal decompression device with anti-blocking function according to claim 4, characterized in that: The anti-clogging device (3) comprises a drainage tube three (31), a sealing cover one (32), a connecting belt one (33) and a limiting ring (34); the drainage tube three (31) is fixedly connected to the outer wall of the drainage tube one (211); the end of the drainage tube three (31) away from the drainage tube one (211) is threadedly connected to the sealing cover one (32); the outer wall of the sealing cover one (32) is rotatably connected to the limiting ring (34); the top side of the end of the drainage tube three (31) away from the drainage tube one (211) is fixedly connected to the connecting belt one (33); the other end of the connecting belt one (33) is fixedly connected to the limiting ring (34).

7. The gastrointestinal decompression device with anti-blocking function according to claim 6, characterized in that: The outer wall of the sealing cover (32) is provided with a circular groove, and the outer wall of the circular groove is sleeved with a limiting ring (34) larger than the circular groove.

8. The gastrointestinal decompression device with anti-blocking function according to claim 1, characterized in that: The sampling assembly (4) comprises a second sealing cover (41), a liquid outlet pipe (42), a second connecting belt (43), a sealing plug (44) and a liquid storage tank (45); a liquid storage tank (45) is provided on the right side of the bottom of the negative pressure drain device (1); a liquid outlet pipe (42) is fixedly connected to the right side of the bottom of the negative pressure drain device (1); the liquid outlet pipe (42) is communicated with the inside of the negative pressure drain device (1); a sealing plug (44) is fixedly connected to the inner wall of the liquid outlet pipe (42); a second sealing cover (41) is provided on the right end cover of the liquid outlet pipe (42); the lower side of the right end of the liquid outlet pipe (42) is fixedly connected to one end of the second connecting belt (43); and the other end of the second connecting belt (43) is fixedly connected to the second sealing cover (41).

9. The gastrointestinal decompression device with anti-blocking function according to claim 8, characterized in that: The sealing plug (44) is made of rubber material.

10. The gastrointestinal decompression device with anti-blocking function according to claim 1, characterized in that: The exhaust assembly (5) comprises an exhaust pipe (51), a sealing cover three (52) and a connecting belt three (53); the exhaust pipe (51) is fixedly connected to the top of the negative pressure drainer (1); the exhaust pipe (51) is communicated with the inside of the negative pressure drainer (1); the top cover of the exhaust pipe (51) is provided with a sealing cover three (52); the top side surface of the exhaust pipe (51) is fixedly connected to one end of the connecting belt three (53); and the other end of the connecting belt three (53) is fixedly connected to the sealing cover three (52).

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