Clinical gastric lavage device for pediatric department

Abstract

The invention belongs to the technical field of clinical medical engineering, and particularly relates to a pediatric clinical gastric lavage device. Comprising a gastric lavage main machine, the gastric lavage main machine communicates with a first tube, the first tube is provided with a second tube, the second tube is detachably and rotatably connected with an insertion tube, the insertion tube is fixedly connected with elastic pieces which are uniformly distributed in the circumferential direction, and the sides, away from the insertion tube, of all the elastic pieces are jointly and fixedly connected with a fixed tube; the second pipe is provided with a fixing module, the fixing module is used for fixing the second pipe, and the second pipe is provided with a control mechanism for adjusting the state of the elastic pieces distributed in the circumferential direction. According to the gastric lavage device, the orientation of the fixed tube is changed through movement of the fixed tube, all the elastic pieces are extruded, all the elastic pieces deform, and therefore openings distributed in the circumferential direction are formed in all the elastic pieces, in this way, channels for extracting (injecting) liquid are increased, the flushing position is more comprehensive, and the gastric lavage effect is enhanced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of clinical medical engineering technology, and mainly relates to a clinical gastric lavage device for pediatric internal medicine. BACKGROUND

[0002] In pediatric emergency, gastric lavage is the core link of rescuing children who have taken too much poison, medicine or food poisoning. This operation removes harmful substances in the stomach that have not been absorbed by injecting and then pumping the flushing liquid into the stomach, thereby preventing the disease from worsening.

[0003] The existing gastric lavage device is usually composed of a gastric lavage machine, a liquid storage bag, a connecting pipeline and a gastric tube. The end of the gastric tube that penetrates into the stomach of the child is usually a fixed blunt structure. This design has the following limitations when facing pediatric patients with special physiological structures: because the stomach of a child is irregular in shape and has many folds, the fixed tube end cannot be effectively moved, resulting in a serious limitation of the flushing and pumping range, and it is difficult to remove the residual poison in the fold recess. This easily leads to incomplete gastric lavage, increases the risk of residual poison and secondary absorption, and ultimately affects the rescue effect. SUMMARY

[0004] In order to overcome the above-mentioned shortcomings, the present application provides a clinical gastric lavage device for pediatric internal medicine.

[0005] The technical scheme of the present application is: a clinical gastric lavage device for pediatric internal medicine, comprising a gastric lavage host, the gastric lavage host is communicated with a first pipe, the first pipe is provided with a second pipe at the end away from the gastric lavage host, the second pipe is rotatably connected with a plug-in pipe in a detachable manner, the plug-in pipe is fixedly connected with elastic sheets that are uniformly distributed in the circumferential direction, all the elastic sheets are fixedly connected with a fixed pipe on the side away from the plug-in pipe, a fixing module is arranged on the second pipe, the fixing module is used for fixing the second pipe, a control mechanism for adjusting the state of the elastic sheets distributed in the circumferential direction is arranged on the second pipe, and the angle of the end of the fixed pipe is adjusted by the deformation of all the elastic sheets.

[0006] Further, the control mechanism comprises a transition pipe, the transition pipe is fixedly connected and communicated between the first pipe and the second pipe, the transition pipe is rotatably connected with a rotating plate, the rotating plate is slidably connected with a driving rope, the driving rope passes through the transition pipe and is located in the second pipe, the rotating plate is rotatably connected with a rocker, the rocker is fixedly connected with the driving rope, one end of the driving rope away from the rocker is rotatably connected with a connecting rod, the connecting rod is fixedly connected with the fixed pipe, a limiting frame is fixedly connected in the plug-in pipe, and the limiting frame is used for limiting the connecting rod.

[0007] Furthermore, the limiting frame has a first straight guide portion and an inclined guide portion, which are interconnected. Both the first straight guide portion and the inclined guide portion are used to guide the connecting rod.

[0008] Furthermore, the rocker arm is threadedly connected to a threaded push rod, which is used to press the rotating plate.

[0009] Furthermore, the drive rope is sealed to rotate and is slidably connected to a sealing plate, and the sealing plate is sealed and fitted to the transition tube.

[0010] Furthermore, it also includes a sealing head, which is fixed to the end of the fixed tube away from the insertion tube, and the side of the sealing head away from the insertion tube is provided with an annular arc surface.

[0011] Furthermore, the limiting frame also has a second straight guide portion, which is used to guide the connecting rod. The inclined guide portion is located between the first straight guide portion and the second straight guide portion, and the second straight guide portion is in communication with the inclined guide portion.

[0012] Furthermore, it also includes a spherical airbag, which is fixed to one end of the second tube near the insertion tube.

[0013] Furthermore, it also includes a compression ring, which is fixed to the spherical airbag and is used to compress all of the elastic sheets.

[0014] Furthermore, the transition tube is fixedly connected to and connected to an air inlet, the air inlet is fixedly connected to and connected to an air guide tube, the air guide tube passes through the transition tube and the second tube and is connected to the spherical airbag.

[0015] The beneficial effects of this invention are as follows: By moving the fixed tube, the orientation of the fixed tube is changed, and all elastic sheets are squeezed, causing all elastic sheets to deform, thereby forming circumferentially distributed openings on all elastic sheets. This increases the channels for extracting (injecting) liquid, making the flushing more comprehensive and enhancing the effect of gastric lavage.

[0016] This invention utilizes the openings formed by all the elastic sheets to disperse the extraction force (impact force), reduce the extraction force (impact force) on the stomach wall, and reduce the probability of impact (adsorption) on the stomach wall, thereby reducing damage to the stomach wall.

[0017] This invention drives the rotation of the driving rope, which in turn rotates the fixed tube and all the elastic plates, adjusting the angle of the injected (extracted) liquid to make the liquid rinsing more comprehensive and further improve the cleaning effect.

[0018] This invention uses a compression ring to compress all the elastic sheets, causing them to deform and thus causing relative movement between adjacent elastic sheets. This applies shear force to solid impurities contained in the stomach contents, reducing the particle size of the solid impurities and facilitating their discharge. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the first and second tubes of the present invention; Figure 3 This is a three-dimensional structural diagram of the second tube and the elastic sheet of the present invention; Figure 4 This is a three-dimensional structural diagram of the insertion tube and elastic sheet of the present invention; Figure 5 This is a three-dimensional structural diagram of the connecting rod and the limiting frame of the present invention; Figure 6 This is an exploded three-dimensional view of the components at the elastic sheet of the present invention; Figure 7 This is a three-dimensional structural diagram of the transition tube and rotating plate of the present invention; Figure 8 This is a three-dimensional structural cross-sectional view of the transition tube and rotating plate of the present invention; Figure 9 This is a three-dimensional structural diagram of the limiting frame of the present invention; Figure 10 This is a three-dimensional structural diagram of one state of the elastic sheet of the present invention; Figure 11 This is a three-dimensional structural diagram of another state of the elastic sheet of the present invention.

[0020] Component names and serial numbers in the diagram: 1-Gastric lavage unit, 2-First tube, 3-Second tube, 4-Insertion tube, 5-Elastic sheet, 6-Fixing tube, 7-Fixing module, 201-Transition tube, 202-Rotating plate, 203-Drive rope, 204-Rock arm, 205-Connecting rod, 206-Limiting frame, 2061-First straight guide section, 2062-Inclined guide section, 2063-Second straight guide section, 301-Threaded push rod, 401-Sealing plate, 501-Sealing head, 601-Compression ring, 701-Spherical airbag, 702-Air inlet component, 703-Air guide tube. Detailed Implementation

[0021] The preferred technical solution of the present invention will be described in detail below with reference to the accompanying drawings.

[0022] Example 1 A pediatric clinical gastric lavage device, combined with Figures 1-6 , Figure 10 and Figure 11As shown, the system includes a gastric lavage unit 1, which is an existing structure used for automatically extracting gastric fluid and pumping cleaning fluid into the stomach. The gastric lavage unit 1 is connected to a first tube 2. A second tube 3 is located at the end of the first tube 2 furthest from the gastric lavage unit 1. A connecting tube 4 is detachably and rotatably connected to the second tube 3. The connecting tube 4 is fixed with circumferentially evenly distributed elastic sheets 5. The elastic sheets 5 bend under stress and return to a straight state when the external force is removed. The detachable connection of the connecting tube 4 allows it to be replaced as needed, thereby allowing for the replacement of different types of elastic sheets 5. Initially, all elastic sheets 5 are in contact with each other. The elastic sheets 5 are arranged in a tubular structure. When the gastric juice contains solids, a wider elastic sheet 5 can be selected. When the gastric juice does not contain solids or contains only a small amount of solids, a narrower elastic sheet 5 can be selected. A fixing tube 6 is fixedly connected to the left side of all the elastic sheets 5. In this embodiment, the fixing tube 6 is used to extract gastric juice or deliver liquid into the stomach. A fixing module 7 is provided on the second tube 3. The fixing module 7 is an existing strap fixing structure. The specific structure is not described in detail. The fixing module 7 is used to fix the second tube 3. A control mechanism for adjusting the state of the circumferentially distributed elastic sheets 5 is provided on the second tube 3. The angle of the end of the fixing tube 6 is adjusted by the deformation of all the elastic sheets 5.

[0023] Combination Figure 2 and Figures 4-9 As shown, the control mechanism includes a transition pipe 201, which is fixedly connected and communicates between the first pipe 2 and the second pipe 3. A rotating plate 202 is rotatably connected to the lower side of the transition pipe 201, and a drive rope 203 is slidably connected to the rotating plate 202. The drive rope 203 is made of steel wire rope (medical grade) and its outer side is coated with a corrosion-resistant and antibacterial coating. Rotating the rotating plate 202 drives the drive rope 203 to rotate synchronously. A circular plate (such as...) is fixedly connected to the drive rope 203. Figure 8 The circular plate is rotatably and slidably connected to the transition tube 201. The drive rope 203 passes through the transition tube 201 and is located inside the second tube 3. A rocker arm 204 is rotatably connected to the left side of the rotating plate 202. The rocker arm 204 is fixedly connected to the drive rope 203. By rotating the rocker arm 204, the drive rope 203 is driven to slide. A connecting rod 205 is rotatably connected to the left end of the drive rope 203. The connecting rod 205 is made of rigid material and is fixedly connected to the fixed tube 6. A limit frame 206 is fixedly connected inside the insertion tube 4. The limit frame 206 is used to limit the connecting rod 205.

[0024] Combination Figures 9-11As shown, the limiting frame 206 has a first straight guide portion 2061 and an inclined guide portion 2062. Both the first straight guide portion 2061 and the inclined guide portion 2062 are used to guide the connecting rod 205. The first straight guide portion 2061 and the inclined guide portion 2062 are connected. When the connecting rod 205 slides along the first straight guide portion 2061, all the elastic pieces 5 are compressed and deformed, and an opening is formed between two adjacent elastic pieces 5 (the state of all elastic pieces 5 is as follows). Figure 10 As shown), liquid is drawn or transported through this opening, increasing the number of inlets for liquid transport (drawing); when the connecting rod 205 slides along the inclined guide 2062, all the elastic sheets 5 will bend (as shown). Figure 11 As shown), this changes the angle of the fixed tube 6, allowing the fixed tube 6 to transport (extract) liquid over a larger range. In this embodiment, the inclined guide 2062 only has a right-side inclined portion, and the left side of the inclined guide 2062 is higher than its right side (this orientation is for reference). Figure 9 ).

[0025] Combination Figure 7 As shown, the rocker arm 204 is threadedly connected to a threaded push rod 301. The threaded push rod 301 is used to press the rotating plate 202. By pressing the rotating plate 202 with the threaded push rod 301, the rocker arm 204 is fixed, thereby maintaining the state of all elastic plates 5.

[0026] Combination Figure 8 As shown, the drive rope 203 is sealed and rotates and is slidably connected to a sealing plate 401. The sealing plate 401 is used to improve the sealing performance between the drive rope 203 and the transition pipe 201 and reduce the occurrence of liquid leakage. The sealing plate 401 and the transition pipe 201 are sealed and fitted together.

[0027] The working principle of this embodiment: When using this device for gastric lavage, medical staff insert the second tube 3 into the stomach through the patient's nasal cavity. The second tube 3 moves all the elastic plates 5 and the limiting frame 206 through the insertion tube 4. All the elastic plates 5 move the fixing tube 6 together, and the fixing tube 6 moves the connecting rod 205.

[0028] After inserting the fixing tube 6 into the target position, the medical staff uses the fixing module 7 to fix the second tube 3 to the patient's face. Then, the medical staff rotates the threaded push rod 301, causing it to lose contact with the rotating plate 202, thereby releasing the lock on the rocker arm 204. They then begin to rotate the rocker arm 204 clockwise (to...). Figure 7(Based on the front view perspective), the rocker arm 204 pulls the drive rope 203, causing the drive rope 203 to move. The drive rope 203 drives the connecting rod 205 to move to the right. At the same time, the connecting rod 205 first slides along the first straight guide part 2061. The connecting rod 205 drives the fixed tube 6 to move. The fixed tube 6 compresses all the elastic plates 5, causing all the elastic plates 5 to bend and deform (store force), forming an opening between adjacent elastic plates 5 (e.g., ...). Figure 10 (As shown).

[0029] During the process of the rocker arm 204 pulling the drive rope 203, the drive rope 203 drives the circular plate on it to move synchronously. As the drive rope 203 moves, the connecting rod 205 enters the inclined guide part 2062 from the first straight guide part 2061. During this process, under the guidance of the inclined guide part 2062, the connecting rod 205 begins to rotate counterclockwise along the left end of the drive rope 203 (towards...). Figure 9 (Based on the front view perspective), the connecting rod 205 drives the fixed tube 6 to swing, and the fixed tube 6 gradually squeezes all the elastic sheets 5. The squeezing force of the fixed tube 6 on the upper elastic sheet 5 is greater than the squeezing force on the lower one, so that the deformation of the upper elastic sheet 5 is greater than the deformation of the lower elastic sheet 5, thereby making the opening of the upper elastic sheet 5 larger than the opening of the lower elastic sheet 5.

[0030] As the connecting rod 205 moves, when the rocker arm 204 rotates to a fixed angle, the connecting rod 205 moves to the uppermost side of the inclined guide 2062, stopping the rotation of the rocker arm 204. At this time, the state of the fixed tube 6 and all the elastic plates 5 is as follows: Figure 11 As shown.

[0031] After stopping the rotation of the rocker arm 204, the medical staff rotated the threaded push rod 301 in the opposite direction until the threaded push rod 301 contacted and pressed against the rotating plate 202. Then, they stopped rotating the threaded push rod 301. At this point, the rocker arm 204 could not rotate, and the drive rope 203 could not move; that is, the fixed tube 6 and all the elastic plates 5 remained in contact. Figure 11 The state.

[0032] After locking the joystick 204, the medical staff turned on the gastric lavage unit 1. The gastric lavage unit 1 started working. Taking the injection of liquid (gastric lavage fluid) into the stomach as an example, the gastric lavage unit 1 started pumping the liquid. The liquid flowed into the insertion tube 4 through the first tube 2 and the second tube 3. Then the liquid entered the patient's stomach through the opening between the adjacent elastic plates 5 and the fixed tube 6, thereby reducing the concentration of the gastric contents.

[0033] As the liquid flows out through the openings between adjacent elastic sheets 5, the circumferentially distributed openings increase the number of inlets and outlets, causing the liquid to disperse circumferentially, increasing the injection range of the liquid, allowing the liquid to quickly come into contact with the gastric contents at different locations, and gradually diluting the gastric contents at different locations, thus improving the efficiency of gastric lavage.

[0034] Because infants and children have thinner stomach walls, more delicate mucous membranes, and shorter and narrower esophagi, higher requirements are placed on the safety, gentleness, and effectiveness of gastric lavage. To address this, the circumferentially distributed openings formed by all the elastic sheets 5 are used to disperse the impact pressure and avoid excessive local impact from a single opening, thereby greatly reducing the risk of damage to the stomach wall from impact.

[0035] After the fluid injection begins, medical staff start rotating the rotating plate 202. The rotating plate 202 drives the drive rope 203 to rotate, and the drive rope 203 drives the fixed tube 6 and the limiting frame 206 to rotate through the connecting rod 205. The limiting frame 206 drives the insertion tube 4 to rotate, and the fixed tube 6 and the insertion tube 4 together drive all the elastic plates 5 to rotate. In this way, the orientation of all the openings is changed at any time, so that the outflowing fluid can flush different parts of the stomach. This can stir the fluid in the stomach, like a "miniature stirrer". This helps to break up larger particles and prevents the stomach contents from stagnating and accumulating, making it difficult to be diluted by the fluid. It also makes the flushing more thorough and reduces dead spots.

[0036] When gastric contents need to be extracted, the gastric lavage unit 1 extracts the gastric contents through the openings of the first tube 2, the second tube 3, the insertion tube 4, the fixing tube 6, and all the elastic plates 5. The circumferentially distributed openings formed by all the elastic plates 5 increase the extraction range, facilitating the discharge of gastric contents. At the same time, all the openings disperse the suction pressure, avoiding excessive local suction from a single opening, thus greatly reducing the risk of suctioning the stomach wall. The different deformation degrees of all the elastic plates 5 result in different sizes of openings, with larger openings having a greater flow rate than smaller openings. During liquid extraction, the probability of gastric contents clogging all openings is greatly reduced. Even if smaller openings are blocked, larger openings remain open, and vice versa, which significantly improves the reliability of the operation. Furthermore, larger outlets are more suitable for extracting gastric contents containing solid particles, while smaller side holes can generate higher local flow rates during suction, helping to "suck away" the fluid adhering to the stomach wall and improving the extraction efficiency of gastric contents.

[0037] After repeated aspiration and injection operations, the gastric lavage procedure is completed. Medical staff repeat the above-mentioned operation to unlock the rocker arm 204, and then rotate the rocker arm 204 in the opposite direction, causing the drive rope 203 to gradually loosen. At this time, under the elasticity of all the elastic plates 5, the drive rope 203 begins to reset, and the connecting rod 205 slides in the opposite direction along the limiting frame 206 to its initial position, until the fixing tube 6 and all the elastic plates 5 return to their initial state (e.g., when...). Figure 3 (As shown), then release the fixation of the second tube 3 by the fixation module 7, remove the second tube 3 from the patient's body, and turn off the gastric lavage host 1.

[0038] Example 2 Research has found that during the insertion of a gastric tube, it is currently impossible to determine the exact location of the tube tip within the stomach. During the extraction of gastric fluid, when the tube tip comes into contact with the stomach wall, the tube opening may be blocked or sucked by the gastric mucosa, preventing successful drainage.

[0039] Based on Example 1, combined with Figures 3-6 , Figure 10 and Figure 11 As shown, it also includes a plug head 501, which is fixed to the left end of the fixed tube 6. The plug head 501 has an annular arc surface on the side away from the insertion tube 4. In this embodiment, the plug head 501 blocks the inlet of the fixed tube 6. During the process of conveying (extracting) liquid, the cleaning operation is carried out only by the opening between two adjacent elastic plates 5.

[0040] Example 3 Based on Example 2, combined with Figures 2-6 As shown, it also includes a spherical airbag 701. During initial use, the spherical airbag 701 is in the following state: Figure 4 As shown, it is filled with gas, and the diameter of the spherical airbag 701 is larger than the diameter of the fixed tube 6. The spherical airbag 701 is fixed to the left end of the second tube 3.

[0041] Combination Figures 6-8 As shown, the transition tube 201 is fixedly connected to and connected to an air inlet 702, which is an inflatable ball. The air inlet 702 is fixedly connected to and connected to an air guide tube 703, which passes through the transition tube 201 and the second tube 3 and is connected to the spherical airbag 701.

[0042] The working principle of this embodiment: During the insertion of the second tube 3 into the body, the second tube 3 moves synchronously with the spherical airbag 701. The spherical airbag 701 gently pushes open the folds of the esophagus, guiding the second tube 3 to continue to penetrate deeper, while also reducing the resistance to the movement of the fixed tube 6.

[0043] When the fixed tube 6 begins to rotate circumferentially, medical staff first inject an appropriate amount of gas into the air inlet tube 703 through the air inlet 702. The gas enters the spherical air bladder 701 and gradually inflates it. The inflated spherical air bladder 701 slowly compresses the inner wall of the stomach, slowly opening up the folds of the stomach. This provides space for the rotation of the fixed tube 6, making it easier to rotate and thus facilitating the delivery (extraction) of liquid.

[0044] After the spherical airbag 701 inflates, all the elastic sheets 5 are "supported" in the center of the stomach cavity, preventing the stomach wall from contacting all the elastic sheets 5. This creates a safe space, effectively reducing the risk of the opening of the elastic sheets 5 being blocked by the stomach wall, ensuring smooth suction, and also reducing mucosal damage caused by direct contact and adsorption.

[0045] After the spherical air bladder 701 inflates, it fits snugly against the stomach wall, thereby achieving the purpose of sealing and reducing the risk of stomach contents flowing back up into the esophagus along the peritoneum, which helps to reduce the incidence of aspiration pneumonia.

[0046] Before the gastric lavage procedure is completed and the second tube 3 is removed, medical staff use the air inlet 702 to extract the gas from the spherical airbag 701, restoring the shape of the spherical airbag 701. Then, the second tube 3 and the upper part can be removed from the patient's body according to the operation described in the above embodiment.

[0047] Example 4 Based on Example 3, if solid impurities in the gastric fluid block the extraction port during the gastric fluid extraction process, the blocked gastric tube cannot extract the gastric contents or smoothly inject the gastric lavage fluid, thus losing its core function of removing toxins and delaying treatment.

[0048] Combination Figure 9 As shown, the limiting frame 206 also has a second straight guide portion 2063, which is used to guide the connecting rod 205. The inclined guide portion 2062 is located between the first straight guide portion 2061 and the second straight guide portion 2063. In this embodiment, the inclined guide portion 2062 also has a left inclined portion, and the middle part of the inclined guide portion 2062 is higher than its two sides. The left inclined portion of the inclined guide portion 2062 is connected to the second straight guide portion 2063 (this orientation is for reference). Figure 9 ).

[0049] Combination Figures 3-6 As shown, it also includes a compression ring 601, which has evenly distributed protrusions. These protrusions are used to compress all the elastic sheets 5, causing the elastic sheets 5 to deform under pressure. The compression ring 601 is fixed to the left side of the spherical airbag 701 and is used to compress all the elastic sheets 5.

[0050] The working principle of this embodiment: In all elastic sheets 5 Figure 11During the rotation process, all the elastic sheets 5 sequentially contact the protrusions on the compression ring 601 and are squeezed by the protrusions on the compression ring 601. After being squeezed, the elastic sheets 5 will deform, thereby changing their own state. The deformed elastic sheets 5 will move relative to the adjacent elastic sheets 5 (misalignment). During this process, the liquid will flow between the two elastic sheets 5. If the liquid contains solid impurities, the two will apply shear force to the solid impurities, causing the solid impurities to break down, thereby reducing the particle size of the solid impurities, facilitating the discharge of solid impurities, and reducing the probability of solid impurities clogging the opening.

[0051] During the extraction of gastric fluid, if significant resistance is found during aspiration or injection, or if the flow is obstructed, it indicates that the opening between two adjacent elastic plates 5 is blocked. Medical staff will repeat the above-mentioned operation of unlocking the rocker arm 204 and continue to rotate the rocker arm 204. The rocker arm 204 drives the drive rope 203 to move, and the drive rope 203 pulls the connecting rod 205 to move, so that the connecting rod 205 gradually moves out of the inclined guide part 2062, thereby gradually restoring the fixed tube 6 to a horizontal state.

[0052] During the movement of the connecting rod 205, when the connecting rod 205 slides into the second straight guide part 2063, the distance between the insertion tube 4 and the fixed tube 6 will further decrease, all the elastic pieces 5 will further deform, and the opening formed by two adjacent elastic pieces 5 will increase, so that the solid impurities blocking the two adjacent elastic pieces 5 will fall off. At the same time, the increased opening makes it easier to extract solids from the gastric juice.

[0053] After the blockage is cleared, the medical staff reverse the rocker arm 204 to slack the drive rope 203. Then all the elastic plates 5 are reset under their own elastic force, and the connecting rod 205 enters the inclined guide 2062 to continue the gastric lavage operation.

[0054] During gastric lavage, medical staff can also periodically rotate the rocker arm 204 to make the connecting rod 205 slide back and forth within the inclined guide portion 2062 and the second straight guide portion 2063, so that the elastic sheet 5 is in motion and rotation, thereby reducing the probability of solid impurities clogging the opening.

[0055] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A pediatric clinical gastric lavage device, characterized in that, The device includes a gastric lavage unit (1), which is connected to a first tube (2). A second tube (3) is provided at one end of the first tube (2) away from the gastric lavage unit (1). The second tube (3) is detachably rotatably connected to a connector (4). The connector (4) is fixed with circumferentially evenly distributed elastic sheets (5). All the elastic sheets (5) on the side away from the connector (4) are fixed with a fixing tube (6). A fixing module (7) is provided on the second tube (3). The fixing module (7) is used to fix the second tube (3). A control mechanism is provided on the second tube (3) to adjust the state of the circumferentially distributed elastic sheets (5). The angle of the end of the fixing tube (6) is adjusted by the deformation of all the elastic sheets (5).

2. The pediatric clinical gastric lavage device according to claim 1, characterized in that, The control mechanism includes a transition tube (201), which is fixedly connected and communicates between the first tube (2) and the second tube (3). The transition tube (201) is rotatably connected to a rotating plate (202), and the rotating plate (202) is slidably connected to a drive rope (203). The drive rope (203) passes through the transition tube (201) and is located inside the second tube (3). The rotating plate (202) is rotatably connected to a rocker arm (204), which is fixedly connected to the drive rope (203). The end of the drive rope (203) away from the rocker arm (204) is rotatably connected to a connecting rod (205), which is fixedly connected to the fixed tube (6). A limit frame (206) is fixedly connected inside the insertion tube (4), and the limit frame (206) is used to limit the connecting rod (205).

3. The pediatric clinical gastric lavage device according to claim 2, characterized in that, The limiting frame (206) has a first straight guide portion (2061) and an inclined guide portion (2062), which are connected to each other. Both the first straight guide portion (2061) and the inclined guide portion (2062) are used to guide the connecting rod (205).

4. A pediatric clinical gastric lavage device according to claim 2, characterized in that, The rocker arm (204) is threadedly connected to a threaded push rod (301), which is used to press the rotating plate (202).

5. A pediatric clinical gastric lavage device according to claim 2, characterized in that, The drive rope (203) is sealed and rotates and is slidably connected to a sealing plate (401), and the sealing plate (401) is sealed and fitted with the transition tube (201).

6. A pediatric clinical gastric lavage device according to claim 1, characterized in that, It also includes a sealing head (501), which is fixed to one end of the fixed tube (6) away from the insertion tube (4), and the side of the sealing head (501) away from the insertion tube (4) is provided with an annular arc surface.

7. A pediatric clinical gastric lavage device according to claim 3, characterized in that, The limiting frame (206) also has a second straight guide (2063) for guiding the connecting rod (205). The inclined guide (2062) is located between the first straight guide (2061) and the second straight guide (2063), and the second straight guide (2063) and the inclined guide (2062) are in communication with each other.

8. A pediatric clinical gastric lavage device according to claim 2, characterized in that, It also includes a spherical airbag (701), which is fixed to one end of the second tube (3) near the insertion tube (4).

9. A pediatric clinical gastric lavage device according to claim 8, characterized in that, It also includes a compression ring (601) fixed to the spherical airbag (701), the compression ring (601) being used to compress all of the elastic sheets (5).

10. A pediatric clinical gastric lavage device according to claim 8, characterized in that, The transition tube (201) is fixedly connected to and connected to an air inlet (702), the air inlet (702) is fixedly connected to and connected to an air guide tube (703), the air guide tube (703) passes through the transition tube (201) and the second tube (3) and is connected to the spherical airbag (701).

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