A clinical gastric lavage machine for gastrointestinal surgery

Abstract

The present invention provides a clinical gastric lavage machine for gastrointestinal surgery, belonging to the field of clinical medical technology of gastrointestinal surgery. It comprises a main unit, a pressure regulating device and a base fixedly installed at the bottom of the main unit, a plurality of internal pipes are fixedly installed on the base, each of the internal pipes is connected to the pressure regulating device inside the main unit, each of the internal pipes is connected to a flat pipe, and each of the flat pipes is connected to a connecting pipe. The present invention can keep the cleaning fluid and gastric juice in a stable state during the transportation process by arranging an electric push rod, a clamp, a connecting pipe, a transfer pipe and a sleeve, reduce the probability of blockage during the gastric lavage process, improve the gastric lavage efficiency, and effectively protect the patient's stomach. At the same time, it can also effectively reduce the probability of external gas entering. By designing a sealing component to adjust the internal connection of the pipeline, the situation of step-like inner diameter mutation is prevented, and the generation of pulses is effectively prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of gastrointestinal surgery clinical medical technology, and particularly relates to a clinical gastric lavage machine for gastrointestinal surgery. Background Art

[0002] A gastric lavage machine is a commonly used medical device in gastrointestinal surgery, which is mainly used for rescuing patients who have taken poison or had food poisoning and for gastric lavage before surgery. The commonly existing gastric lavage machines are mainly divided into two types: water pump type and air pump type, and generally consist of a main unit, a liquid pipe, a gastric lavage tube, etc.

[0003] The external connecting pipes of the existing gastric lavage machines are divided into three categories: a liquid inlet pipe, a liquid discharge pipe, and a gastric inlet pipe. Among them, the gastric inlet pipe is a two-way pipe. Through the negative pressure of the liquid inlet pipe, the external cleaning liquid is pressed into the stomach, and then through the negative pressure of the liquid discharge pipe, the gastric juice is sucked out. The liquid inlet pipe and the liquid discharge pipe both adopt one-way pipes to prevent the backflow of gastric juice and cleaning liquid. The following problems exist in use: First, the internal structure of the one-way pipe is relatively complex. Therefore, when using it, during the extraction of gastric juice, the liquid discharge pipe is prone to blockage, affecting the liquid discharge efficiency, and even causing the liquid discharge pipe to be blocked and unable to discharge liquid effectively. Second, the liquid inlet pipe, the liquid discharge pipe, and the gastric inlet pipe are all made of rubber. The joints of the liquid inlet pipe, the liquid discharge pipe, and the gastric inlet pipe with the gastric lavage machine are all connected in an insertion manner. The connection part is uneven, and the diameter of the joint is smaller than the diameter of the rubber pipe. Therefore, there will be a liquid flow pulse, affecting gastric lavage, and at the same time, it will also cause other impacts on the patient.

[0004] Therefore, the present application provides a clinical gastric lavage machine for gastrointestinal surgery to meet the requirements. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a clinical gastric lavage machine for gastrointestinal surgery to solve the problems of a high probability of pipeline blockage and the generation of pulses at the joints, which affect gastric lavage in the existing ones.

[0006] To solve the above technical problems, the present invention provides the following technical solutions:

[0007] A clinical gastric lavage machine for gastrointestinal surgery comprises a main unit, a pressure regulating device and a base fixedly mounted on the bottom of the main unit, wherein a plurality of internal pipes are fixedly mounted on the base, each of the internal pipes is connected to the pressure regulating device inside the main unit, each of the internal pipes is connected to a flat tube, each of the flat tubes is connected to a connecting pipe, each of the connecting pipes is connected to a transfer pipe, a docking mechanism is installed between each of the transfer pipes and the corresponding connecting pipe, each of the transfer pipes is connected to a sleeve, a locking mechanism is installed between each of the sleeves and the corresponding transfer pipe, a plurality of sleeves are respectively fixedly connected with a suction tube, a stomach inlet tube and a liquid inlet tube, a plurality of fixing plates are fixed on the base, two sliders are slidably mounted on each of the fixing plates, a synchronization mechanism is installed between the two sliders located on the same fixing plate, a clamp matching the corresponding flat tube is installed on each of the sliders, and a driving mechanism matching the corresponding slider is installed in the main unit.

[0008] Optionally, a flat-mouth tube 1 is fixedly installed on the inner pipe, a flat-mouth tube 2 is fixedly installed on the base via a fixed bracket, the flat-mouth tube 1 is fixedly connected to the flat tube, and the flat tube is made of rubber material.

[0009] Optionally, a fixing ring is fixedly installed on the flat-mouth tube 2, the fixing ring is fixedly connected to the connecting tube, and the inner diameter of the fixing ring is equal to the outer diameter of the connecting tube and the outer diameter of the flat-mouth tube 2.

[0010] Optionally, the docking mechanism includes a limiting groove 1 opened on the transfer tube, a plurality of support rods are slidably installed in the limiting groove, a docking nut is fixedly installed on the plurality of support rods, and a threaded tube matching the docking nut is fixedly installed on the connecting tube.

[0011] Optionally, a gasket with a groove is fixedly installed at one end of the threaded tube away from the inner tube, a rubber ring matching the gasket is fixedly installed inside the adapter tube, and a rubber ring matching the connecting tube is fixedly installed inside the adapter tube.

[0012] Optionally, the locking structure includes an annular groove body opened on the sleeve, a plurality of pillars are slidably installed in the annular groove body, a connecting head is commonly fixedly installed on the plurality of pillars, a plurality of locking blocks are fixedly installed on the connecting head, and a plurality of locking grooves matching the corresponding locking blocks are opened on the transfer tube.

[0013] Optionally, a sealing ring is fixedly installed in the sleeve, and a sealing ring matching the sealing ring is fixedly installed at one end of the transfer tube away from the inner tube, and the sealing ring and the sealing ring are both made of metal material.

[0014] Optionally, the synchronization mechanism includes a sliding groove formed in the fixed plate. Two sliding blocks are slidably installed in the sliding groove. The two sliding blocks are fixedly connected to the corresponding sliders. A gear is rotatably installed on the fixed plate. The gear is located in the sliding groove. A rack meshing with the gear is fixedly installed on each of the two sliding blocks.

[0015] Optionally, a rotating shaft is fixedly installed on the slider. The rotating shaft is rotatably connected to the fixture. The fixture is cylindrical, and a protective sleeve made of rubber material is wrapped outside the fixture.

[0016] Optionally, the driving mechanism includes an electric push rod fixedly installed on the base. The driving end of the electric push rod is fixedly connected to the corresponding slider. An induction controller cooperating with the electric push rod is installed in the main body.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] In the above solution, by setting the communicating pipe, the adapter pipe and the sleeve, the connection between the liquid inlet pipe, the gastric tube and the liquid extraction pipe and the inner connecting pipe can be made smoother, without concavity and convexity at the connection, so that the cleaning liquid and gastric juice can be kept stable during transportation, preventing the formation of pulses, improving the gastric lavage efficiency, and effectively protecting the patient's stomach at the same time.

[0019] By setting the electric push rod, the induction controller and the fixture, the opening and closing of the flat tube can be automatically controlled according to the operation of the pump in the main body, replacing the original one-way tube, reducing the internal structure of the pipeline, making the transportation of gastric juice and cleaning liquid in the pipeline smoother, improving the cleaning efficiency, greatly reducing the probability of pipeline blockage at the same time, and using the flat nozzle one and the flat nozzle two can make the connection between the flat tube and the inner connecting pipe and the communicating pipe smoother, without stepwise inner diameter mutation, thus preventing the formation of pulses.

[0020] By setting the sealing ring, the sealing ring, the rubber ring and the rubber ring, the sealing performance between the sleeve, the communicating pipe, the threaded pipe and the adapter pipe can be effectively improved, reducing the probability of leakage, effectively reducing the probability of external gas entering at the same time, and adjusting the connection in the pipeline through these sealing components to prevent the occurrence of stepwise inner diameter mutation, effectively preventing the generation of pulses. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the relevant art to implement and use the present invention.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of a clinical gastric lavage machine for gastrointestinal surgery;

[0023] Figure 2 is Figure 1 Schematic diagram of the three-dimensional structure after rotating a certain angle;

[0024] Figure 3 is the enlarged three-dimensional structure schematic diagram of the liquid extraction tube fitting part;

[0025] Figure 4 is Figure 3 Schematic diagram of the three-dimensional structure after rotating a certain angle;

[0026] Figure 5 is Figure 4 Enlarged three-dimensional structure schematic diagram of the liquid extraction tube and the sleeve fitting in [specific part];

[0027] Figure 6 is Figure 5 Schematic diagram of the planar structure in one of the directions;

[0028] Figure 7 is Figure 6 Enlarged three-dimensional structure schematic diagram along the A-A section;

[0029] Figure 8 is Figure 4 Enlarged three-dimensional structure schematic diagram of the transfer pipe fitting;

[0030] Figure 9 is Figure 8 Schematic diagram of the planar structure in one of the directions;

[0031] Figure 10 is Figure 9 Enlarged three-dimensional structure schematic diagram along the B-B section;

[0032] Figure 11 is Figure 3 Enlarged three-dimensional structure schematic diagram of the inner pipe and the electric push rod fitting in [specific part];

[0033] Figure 12 is Figure 11 Enlarged three-dimensional structure schematic diagram after removing the threaded pipe, connecting pipe and fixed bracket in [specific part].

[0034] Reference numerals:

[0035] 1. Main machine; 2. Base; 3. Control panel; 4. Pressure display; 5. Liquid suction pipe; 6. Stomach tube; 7. Liquid inlet pipe; 8. Sleeve; 9. Connector; 10. Locking block; 11. Sealing ring; 12. Adapter pipe; 13. Docking nut; 14. Sealing ring; 15. Rubber ring; 16. Rubber ring; 17. First limiting groove; 18. Second limiting groove; 19. Inner connecting pipe; 20. Electric push rod; 21. Fixture; 22. Fixed bracket; 23. Threaded pipe; 24. Connecting pipe; 25. First flat nozzle pipe; 26. Fixed plate; 27. Second flat nozzle pipe; 28. Flat pipe; 29. Slide block; 30. Gear; 31. Rack; 32. Fixed ring; 33. Locking card slot.

[0036] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure. However, this is only for schematic purposes and is not intended to limit the present invention to this specific structure, device and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments. Detailed implementation manners

[0037] The following describes in detail a clinical gastric lavage machine for gastrointestinal surgery provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well-known technologies, those skilled in the art can also adopt other alternative methods for implementation; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present invention.

[0038] It should be noted that in the specification, references to "an embodiment", "embodiment", "exemplary embodiment", "some embodiments", etc. indicate that the described embodiments may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. Additionally, when combining embodiments to describe specific features, structures or characteristics, implementing such features, structures or characteristics in combination with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.

[0039] Generally, terms can be understood at least in part from their use in context. For example, at least in part depending on the context, the term "one or more" used herein can be used to describe any feature, structure or characteristic in a singular sense, or can be used to describe a combination of features, structures or characteristics in a plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey a set of exclusive factors, but rather, at least in part depending on the context, can allow for the existence of other factors that are not necessarily explicitly described.

[0040] It will be understood that the meanings of "on", "above", and "over" in the present invention should be construed in the broadest manner such that "on" not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above" or "over" not only means "above" or "over" something, but may also include the meaning of being "above" or "over" something with no intervening features or layers therebetween.

[0041] In addition, spatial relative terms such as "under", "below", "lower", "above", "upper", etc. may be used herein for convenience of description to describe the relationship of one element or feature to another or other elements or features, as shown in the drawings. The spatial relative terms are intended to cover different orientations in the use or operation of the device in addition to the orientation depicted in the drawings. The device may be oriented in other ways, and the spatial relative descriptors used herein may be interpreted accordingly.

[0042] As Figures 1 to 12 shown, an embodiment of the present invention provides a clinical gastric lavage machine for gastrointestinal surgery, including a main body 1, a pressure regulating device, and a base 2 fixedly installed at the bottom of the main body 1. A plurality of inner connecting pipes 19 are fixedly installed on the base 2, and each inner connecting pipe 19 is connected to the pressure regulating device inside the main body 1. A flat pipe 28 is communicated with each inner connecting pipe 19, a connecting pipe 24 is communicated with each flat pipe 28, a transition pipe 12 is communicated with each connecting pipe 24, a docking mechanism is installed between each transition pipe 12 and the corresponding connecting pipe 24, a sleeve 8 is communicated with each transition pipe 12, a locking mechanism is installed between each sleeve 8 and the corresponding transition pipe 12, a liquid suction pipe 5, a gastric intubation tube 6, and a liquid inlet pipe 7 are respectively and fixedly communicated with a plurality of sleeves 8. A plurality of fixing plates 26 are fixed on the base 2, two sliders 29 are slidably installed on each fixing plate 26, a synchronization mechanism is installed between the two sliders 29 on the same fixing plate 26, a clamp 21 cooperating with the corresponding flat pipe 28 is installed on each slider 29, and a driving mechanism cooperating with the corresponding slider 29 is installed in the main body 1.

[0043] As an implementation manner in this embodiment, as Figure 3 and Figure 4 、 Figures 8 to 11As shown, the docking mechanism includes a first limiting groove 17 formed in the adapter pipe 12. A plurality of support rods are slidably installed in the limiting groove 17, and a docking nut 13 is fixedly installed on the plurality of support rods. A threaded pipe 23 matching with the docking nut 13 is fixedly installed on the communicating pipe 24. When an operator connects the adapter pipe 12 and the communicating pipe 24, the nut 13 is only required to be sleeved on the threaded pipe 23, and then the nut 13 is rotated to move the nut 13 on the threaded pipe 23, so as to drive the adapter pipe 12 to move through the nut 13. When the nut 13 rotates, it will drive the support rods to slide in the first limiting groove 17, so as to ensure that the adapter pipe 12 remains stable during movement and will not rotate. In this way, the friction between the adapter pipe and the threaded pipe 23 can be effectively reduced, and the service life of the threaded pipe 23 and the adapter pipe 12 can be extended.

[0044] In this embodiment, as Figures 8 to 11 shown, a washer with a groove (the washer is an existing sealing member not shown in the figure) is fixedly installed at one end of the threaded pipe 23 away from the inner connecting pipe 19. A rubber ring 16 matching with the washer is fixedly installed in the adapter pipe 12, and a rubber gasket 15 matching with the communicating pipe 24 is fixedly installed inside the adapter pipe 12. During the docking process of the adapter pipe 12, the threaded pipe 23 and the communicating pipe 24, the washer at the end of the threaded pipe 23 will move towards the end close to the rubber ring 16 until the washer fits with the rubber ring 16. Under the pressing force between the washer and the rubber ring 16, the protrusions on the rubber ring 16 will be stuck into the grooves on the washer, increasing the contact area between the washer and the rubber ring 16 and making the sealing effect between the washer and the rubber ring 16 better, effectively preventing external gas from entering the adapter pipe 12 through the thread gap on the threaded pipe 23. The function of the rubber gasket 15 is to seal the connection between the communicating pipe 24 and the adapter pipe 12 and improve the tightness between the communicating pipe 24 and the adapter pipe 12. The inner diameter of the rubber gasket 15 is the same as the inner diameter of the communicating pipe 24 and the inner diameter of the side of the adapter pipe 12 away from the nut 13. In this way, the channel formed by the communicating pipe 24, the rubber gasket 15 and the adapter pipe 12 can be smooth without stepped diameter change, avoiding the appearance of pulses, effectively improving the gastric lavage efficiency, and at the same time reducing the stimulation to the patient's stomach.

[0045] As an implementation manner in this embodiment, as Figures 3 to 8As shown, the locking structure includes an annular groove formed on the sleeve 8. The end face shape of the annular groove is trapezoidal. A plurality of struts are slidably installed in the annular groove, and the end face shape of the struts is also trapezoidal and matches the annular groove, which can effectively prevent the struts from detaching from the annular groove. A connector 9 is fixedly installed on the plurality of struts together. A plurality of locking blocks 10 are fixedly installed on the connector 9. A plurality of locking slots 33 that cooperate with the corresponding locking blocks 10 are formed on the adapter pipe 12. The locking slot 33 is composed of a straight slot and a corner slot, and there is a 90-degree angle between the straight slot and the corner slot. When docking the sleeve 8 and the adapter pipe 12, the connector 9 is sleeved on the adapter pipe 12. During the sleeving process, the locking block 10 is inserted into the straight slot on the corresponding locking slot 33, and then the connector 9 is moved so that the end of the locking block 10 is flush with the corner slot on the locking slot 33. Then the connector 9 is rotated to make the locking block 10 snap into the corner slot on the locking slot 33. At this time, the adapter 9 cannot be pulled out from the adapter pipe 12. If it needs to be pulled out, the adapter 9 needs to be rotated in reverse. Such a design can facilitate the installation of the sleeve 8. At the same time, under the action of the annular sliding groove and the struts, it can ensure that when the adapter 9 rotates, the sleeve 8 remains stable, avoiding lateral sliding friction between the rotation of the sleeve 8 and the adapter pipe 12, and is used for protecting the sleeve 8 and the adapter pipe 12. By providing the communicating pipe 24, the adapter pipe 12, and the sleeve 8, the connection between the liquid inlet pipe 7, the gastric tube 6, and the liquid extraction pipe 5 and the inner connecting pipe 19 can be made smoother, without concavities and convexities at the connection, so that the cleaning liquid and gastric juice remain in a stable state during transportation, preventing the formation of pulses, which can improve the gastric lavage efficiency and effectively protect the patient's stomach at the same time.

[0046] In this embodiment, as Figure 7 and Figure 8 shown, a sealing ring 11 is fixedly installed in the sleeve 8. A sealing ring 14 that cooperates with the sealing ring 11 is fixedly installed at one end of the adapter pipe 12 away from the inner connecting pipe 19. Both the sealing ring 11 and the sealing ring 14 are made of metal material. This is a mechanical seal of metal material, which is an existing sealing technology and will not be specifically described here, nor is it shown in the figure. When connecting the sleeve 8 and the adapter pipe 12, the sealing ring 11 and the sealing ring 14 are made to abut and fit together. The settings of the sealing ring 11 and the sealing ring 14 can effectively improve the sealing performance between the sleeve 8 and the adapter pipe 12, reduce the probability of leakage, and also effectively reduce the probability of external gas entering. At the same time, the inner joints of the pipeline can also be adjusted through these sealing components (the pipeline here refers to the tubular channel composed of the sleeve 8 and the indoor pipe 12), preventing the occurrence of a stepped inner diameter mutation and effectively preventing the generation of pulses.

[0047] As an implementation method in this embodiment, as Figure 3 、 Figure 4 、 Figure 11 and Figure 12As shown, the synchronization mechanism includes a sliding groove formed in the fixed plate 26. Two sliding blocks are slidably installed in the sliding groove, and the two sliding blocks are fixedly connected to the corresponding sliders 29. A gear 30 is rotatably installed on the fixed plate 26. The gear 30 is located in the sliding groove. A rack 31 meshing with the gear 30 is fixedly installed on each of the two sliding blocks. During the process of controlling the opening and closing of the flat tube 28, when one of the sliders 29 moves, it will drive the sliding block on this slider 29 to move, thereby driving the rack 31 on the sliding block to move. Under the action of the gear 30, it will drive the other rack 31 to move synchronously and in the opposite direction to this rack 31, so as to drive the other slider 29 to move synchronously and in the opposite direction to this slider 29 through the other sliding block. In this way, the clamps 21 on the two sliders 29 can clamp or release the flat tube 28 at the same time, thus realizing the opening and closing of the flat tube 28. The purpose of the two clamps 21 moving simultaneously is to ensure that the center point of the flat tube 28, the adapter tube 12, and the inner tube 19 are on the same horizontal line, so that the displacement amounts on the upper and lower sides of the flat tube 28 are equal. In this way, it can effectively prevent the flat tube 28 from being eccentric and causing excessive deformation of the flat tube 28, resulting in damage to the flat tube 28, and protecting the flat tube 28 (the flat tube 28 is made of rubber material).

[0048] In this embodiment, as Figure 11 and Figure 12 shown, a rotating shaft is fixedly installed on the slider 29. The rotating shaft is rotatably connected to the clamp 21. The clamp 21 is cylindrical, and a protective sleeve made of rubber material is wrapped around the outside of the clamp 21. When the slider 29 moves, it will drive the clamp 21 to clamp the flat tube 28. During the clamping process, the flat tube 28 will deform, which will generate a frictional force between the flat tube 28 and the clamp 21. By adding the rotating shaft, the sliding friction between the flat tube 28 and the clamp 21 can be converted into rolling friction, which can effectively reduce the frictional force, thereby protecting the flat tube 28 and extending the service life of the flat tube 28. At the same time, the protective sleeve made of rubber material wrapped around the outside of the clamp also plays a role in protecting the flat tube 28 (the protective sleeve is not shown in the figure).

[0049] As an implementation method in this embodiment, as Figures 1 to 4 、 Figure 11 and Figure 12As shown, the driving mechanism includes an electric push rod 20 fixedly installed on the base 2. The driving end of the electric push rod 20 is fixedly connected to the corresponding slider 29. An induction controller cooperating with the electric push rod 20 is installed in the main machine 1. When a failure occurs in the electrical appliances in the main machine 1, the liquid suction pipe 5, the gastric tube 6 and the liquid inlet pipe 7 lose pressure. At this time, the electric push rod 20 starts to work, controls the movement of the slider 29, and enables the clamp 21 to clamp the flat tube 28. In this way, the backflow of the liquid in the liquid suction pipe 5, the gastric tube 6 and the liquid inlet pipe 7 can be prevented. Compared with the one-way tube, this design has the advantages of convenient cleaning and low blockage probability. At the same time, it will not generate pulses, improving the accuracy and stability of interception and having higher safety. There are two transfer barrels stored in the main machine 1, one waste liquid transfer barrel and one cleaning liquid transfer barrel. The inner connecting pipe 19 connected to the liquid suction pipe 5 is connected to the waste liquid transfer barrel, and the inner connecting pipe 19 connected to the liquid inlet pipe 7 is connected to the cleaning liquid transfer barrel. The inner connecting pipe 19 connected to the gastric tube 6 has two ports. The first port is connected to the waste liquid transfer barrel, and the second port is connected to the cleaning liquid transfer barrel.

[0050] In this embodiment, as Figure 11 and Figure 12As shown, a flat - mouth tube one 25 is fixedly installed on the inner connecting tube 19, and a flat - mouth tube two 27 is fixedly installed on the base 2 through a fixing bracket 22. The flat - mouth tube one 25 and the flat - mouth tube two 27 are fixedly connected to a flat tube 28. The flat tube 28 is made of rubber material. The function of the fixing bracket 22 is to fix the flat - mouth tube two 27. One end of the flat tube 28 is the flat - mouth tube two 27, which is fixed, and the other end of the flat tube 28 is the flat - mouth tube one 25, and the flat - mouth tube one 25 is fixed to the inner connecting tube 19, and the inner connecting tube 19 is fixed to the base 2. Therefore, the other end of the flat tube 28 is also fixed. Since both ends of the flat tube 28 are fixed, the deformation amount of the flat tube 28 during opening and closing is the same, and there will be no eccentric situation, making the liquid flow in the flat tube 28 smoother. A control panel 3 and a pressure display 4 are fixedly installed on the main machine 1. The control panel 3 controls the operation of each mechanism in the main machine, and the pressure display 4 is used to display the pressure value of the pressure - regulating equipment in the main machine to ensure that the pressures in the liquid - suction tube 5, the gastric tube 6, and the liquid - inlet tube 7 are the same, so as to ensure stable gastric juice replacement and avoid irritating the stomach. A fixing ring 32 is fixedly installed on the flat - mouth tube two 27, and the fixing ring 32 is fixedly connected to the connecting tube 24. The inner diameter of the fixing ring 32 is equal to the outer diameter of the connecting tube 24 and the outer diameter of the flat - mouth tube two 27. Both the flat - mouth tube two 27 and the flat - mouth tube one 25 are duck - bill - shaped, and the inner diameter changes smoothly, which can effectively prevent the occurrence of step - type inner - diameter mutation and prevent the occurrence of pulses, making the liquid replacement more stable. The fixing ring 32 is used to connect the flat - mouth tube two 27 and the threaded tube 23, and can also be used to limit the nut 13 to prevent the nut 13 from being rotated excessively, causing the rubber ring 15 and the rubber ring 16 to be squeezed and deformed, ensuring that the rubber ring 15 and the rubber ring 16 maintain their normal shapes and have stable sealing performance.

[0051] The working principle provided by the present invention is as follows: When in use, first, the adapter tube 12 is docked with the connecting tube 24. When an operator connects the adapter tube 12 and the connecting tube 24, only need to put the nut 13 on the threaded tube 23, and then rotate the nut 13 to make the nut 13 move on the threaded tube 23, thereby driving the adapter tube 12 to move through the nut 13. When the nut 13 rotates, it will drive the support rod to slide in the first limiting groove 17, so as to ensure that the adapter tube 12 remains stable during movement and will not rotate. During the docking process of the adapter tube 12 with the threaded tube 23 and the connecting tube 24, the gasket at the end of the threaded tube 23 will move towards the end close to the rubber ring 16 until the gasket fits with the rubber ring 16. Under the pressing force between the gasket and the rubber ring 16, the protrusion on the rubber ring 16 will be stuck into the groove on the gasket, increasing the contact area between the gasket and the rubber ring 16, making the sealing effect between the gasket and the rubber ring 16 better, and effectively preventing external gas from entering the adapter tube 12 through the thread gap on the threaded tube 23.

[0052] Next, connect the adapter tube 12 to the sleeve 8. Slip the connector 9 over the adapter tube 12. During the slipping process, insert the locking block 10 into the straight slot on the corresponding locking slot 33. Then move the connector 9 so that the end of the locking block 10 is flush with the corner slot on the locking slot 33. Next, rotate the connector 9 so that the locking block 10 snaps into the corner locking slot on the locking slot 33. At this time, the adapter 9 cannot be pulled out from the adapter tube 12. If it needs to be pulled out, the adapter 9 needs to be rotated in the reverse direction. This design facilitates the installation of the sleeve 8. At the same time, under the action of the annular chute and the strut, it can ensure that when the adapter 9 rotates, the sleeve 8 remains stable, preventing lateral sliding friction from occurring between the rotating sleeve 8 and the adapter tube 12, which is used to protect the sleeve 8 and the adapter tube 12. By providing the communicating tube 24, the adapter tube 12, and the sleeve 8, the connection between the liquid inlet tube 7, the gastric tube 6, and the liquid extraction tube 5 and the inner connecting tube 19 can be made smoother, without concavities or convexities at the connection, enabling the cleaning liquid and gastric juice to maintain a stable state during transportation, preventing the formation of pulses, improving the gastric lavage efficiency, and effectively protecting the patient's stomach. When connecting the sleeve 8 and the adapter tube 12, making the sealing ring 11 abut against the sealing ring 14 can effectively improve the sealing performance between the sleeve 8 and the adapter tube 12, reducing the probability of leakage and also effectively reducing the probability of external gas entering. At the same time, these sealing components can also be used to adjust the connection inside the pipeline to prevent the occurrence of a stepped inner diameter mutation, effectively preventing the generation of pulses.

[0053] After the pipeline connection is completed, insert the gastric tube 6 into the patient's stomach, insert the liquid extraction tube 5 into an external waste liquid bucket, and insert the liquid inlet tube 7 into a cleaning liquid bucket. Control the pressure regulating device through the control panel 3. First, control the negative pressure of the liquid inlet tube 7 to suck the cleaning liquid in the cleaning liquid bucket into the cleaning liquid transfer bucket through the liquid inlet tube 7. Then, transfer the cleaning liquid in the cleaning liquid transfer bucket to the gastric tube 6 through the second port on the inner connecting tube 19. Deliver the cleaning liquid to the patient's stomach through the gastric tube 6. The amount of cleaning liquid delivered is controlled within a certain range, as long as it does not reach the saturation state of the patient's stomach. After cleaning, control the pressure of the gastric tube 6 to pump out the gastric juice and cleaning liquid in the patient's stomach. Enter the waste liquid transfer bucket through the first port of the inner connecting tube 19 connected to the gastric tube 6. Then control the pressure of the liquid extraction tube 5 to pump out the waste liquid (a mixed liquid of cleaning liquid and gastric juice) in the waste liquid transfer bucket into the waste liquid bucket, and cycle in this way.

[0054] Once a voltage regulating device fails, the liquid in the liquid extraction tube 5, the gastric tube 6, and the liquid inlet tube 7 is at atmospheric pressure at this time, and the liquid in the liquid extraction tube 5, the gastric tube 6, and the liquid inlet tube 7 will flow back. To prevent the backflow, the induction controller in the main unit 1 will control the operation of the electric push rod 20 at this time. The driving end of the electric push rod 20 will control the slider 29 fixedly connected thereto to move closer to the flat tube 28. When this slider 29 moves, it will drive the sliding block on this slider 29 to move, thereby driving the rack 31 on the sliding block to move. Under the action of the gear 30, it will drive another rack 31 to move synchronously and in the opposite direction to this rack 31, so as to drive another slider 29 to move synchronously and in the opposite direction to this slider 29 through another sliding block. In this way, the clamps 21 on the two sliders 29 can clamp the flat tube 28 at the same time, so as to realize the closing of the flat tube 28. After closing, the liquid in the liquid extraction tube 5, the gastric tube 6, and the liquid inlet tube 7 will not flow back. The purpose of the two clamps 21 moving at the same time is to ensure that the center point of the flat tube 28, the adapter tube 12, and the inner connecting tube 19 are on the same horizontal line, so that the displacement amounts on the upper and lower sides of the flat tube 28 are equal. In this way, it can effectively prevent the flat tube 28 from being eccentric and causing excessive deformation of the flat tube 28, resulting in damage to the flat tube 28, and protect the flat tube 28.

[0055] This invention covers any substitutions, modifications, equivalent methods, and solutions made within the essence and scope of this invention. To enable the public to have a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments of this invention. However, those skilled in the art can fully understand this invention even without the description of these details. Additionally, to avoid unnecessary confusion to the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0056] The above are only the preferred embodiments of this invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of this invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of this invention.

Claims

1. A clinical gastric lavage machine for gastrointestinal surgery, characterized in that: It includes a main unit, a pressure regulating device, and a base fixedly installed at the bottom of the main unit, wherein a plurality of internal pipes are fixedly installed on the base, each of the internal pipes is connected to the pressure regulating device inside the main unit, each of the internal pipes is connected to a flat pipe, and each of the flat pipes is connected to a connecting pipe; Each of the connecting tubes is connected to a transfer tube, a docking mechanism is installed between each of the transfer tubes and the corresponding connecting tube, each of the transfer tubes is connected to a sleeve, and a locking mechanism is installed between each of the sleeves and the corresponding transfer tube; The plurality of sleeves are respectively fixedly connected with a liquid extraction tube, a stomach inlet tube and a liquid inlet tube, the base is fixed with a plurality of fixed plates, each of the fixed plates is slidably mounted with two sliders, a synchronization mechanism is mounted between the two sliders located on the same fixed plate, each of the sliders is mounted with a fixture matched with a corresponding flat tube, and a driving mechanism matched with the corresponding slider is mounted in the mainframe; A flat nozzle tube 1 is fixedly installed on the inner tube, and a flat nozzle tube 2 is fixedly installed on the base through a fixed bracket, one end of the flat tube is the flat nozzle tube 2, and the other end of the flat tube is the flat nozzle tube 1, and the flat tube is made of rubber material; A fixing ring is fixedly installed on the second flat nozzle tube, the fixing ring is fixedly connected to the connecting tube, and the inner diameter of the fixing ring is equal to the outer diameter of the connecting tube and the outer diameter of the second flat nozzle tube; The synchronization mechanism includes a sliding groove provided on a fixed plate, two sliding blocks are slidably installed in the sliding groove, the two sliding blocks are fixedly connected to the corresponding sliders, a gear is rotatably installed on the fixed plate, the gear is located in the sliding groove, and a rack meshing with the gear is fixedly installed on the two sliding blocks; A rotating shaft is fixedly mounted on the slider, and the rotating shaft is rotatably connected to the clamp. The clamp is cylindrical, and the outside of the clamp is wrapped with a protective cover made of rubber material.

2. The clinical gastric lavage machine for gastrointestinal surgery according to claim 1, characterized in that: The docking mechanism includes a limiting groove 1 provided on the transfer tube, a plurality of support rods are slidably installed in the limiting groove 1, a docking nut is fixedly installed on the plurality of support rods, and a threaded tube matching the docking nut is fixedly installed on the connecting tube.

3. The clinical gastric lavage machine for gastrointestinal surgery according to claim 2, characterized in that: A gasket with a groove is fixedly installed at one end of the threaded tube away from the inner tube, a rubber ring matched with the gasket is fixedly installed in the adapter tube, and a rubber ring matched with the connecting tube is fixedly installed inside the adapter tube.

4. The clinical gastric lavage machine for gastrointestinal surgery according to claim 1, characterized in that: The locking mechanism includes an annular groove body opened on the sleeve, a plurality of pillars are slidably installed in the annular groove body, a connecting head is fixedly installed on the plurality of pillars, a plurality of locking blocks are fixedly installed on the connecting head, and a plurality of locking grooves matching the corresponding locking blocks are opened on the transfer tube.

5. The clinical gastric lavage machine for gastrointestinal surgery according to claim 4, characterized in that: A sealing ring is fixedly installed in the sleeve, and a sealing ring matching the sealing ring is fixedly installed at one end of the transfer tube away from the inner tube. The sealing ring and the sealing ring are both made of metal material.

6. The clinical gastric lavage machine for gastrointestinal surgery according to claim 1, characterized in that: The driving mechanism comprises an electric push rod fixedly mounted on a base, a driving end of the electric push rod is fixedly connected to a corresponding sliding block, and an induction controller matched with the electric push rod is installed in the host.

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