Gastric lavage vomit collecting device
By designing a buoyancy ring and balancing components, the problem of the drain pipe opening easily immersing below the liquid surface was solved, achieving stable and efficient discharge of vomit and improving the efficiency and safety of gastric lavage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- THE NAVAL MEDICAL UNIV OF PLA
- Filing Date
- 2026-01-27
- Publication Date
- 2026-04-17
AI Technical Summary
In existing gastric lavage devices, the drain pipe opening is easily submerged below the liquid surface, creating a liquid seal resistance, which reduces the efficiency of gastric lavage. Furthermore, the swinging of the drain pipe can easily cause vomit to splash and pose a risk of liquid seal.
The system employs a combination of buoyancy rings, supports, and balancing components to ensure that the drain pipe opening is always above the liquid surface. The stability of the buoyancy rings is adjusted by springs and slide rails, and the elastic buffer and slide rail guidance are used to counteract lateral forces and prevent swaying.
It effectively avoids liquid seal resistance, improves gastric lavage efficiency, reduces vomit splashing, enhances the stability of the drain pipe, reduces the volume of residue, and improves emptying efficiency.
Smart Images
Figure CN121868623A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of emergency nursing technology, specifically to a device for collecting vomitus from gastric lavage. Background Technology
[0002] Gastric lavage is a clinical procedure that involves instilling fluid into the stomach cavity and repeatedly aspirating it to remove toxins or clean the stomach cavity. It is commonly used in the rescue of acute poisoning and in preparation for gastric surgery. The core methods include induced vomiting gastric lavage and gastric tube lavage. The former is suitable for conscious patients in the early stages of poisoning, while the latter achieves deep irrigation through nasal or oral tube placement.
[0003] Gastric lavage involves inserting a gastric tube through the nose or mouth, down the esophagus to the stomach, aspirating the toxins, injecting lavage fluid, and then draining the stomach contents to eliminate the toxins. For example, the existing Keda KD XW-472C automatic gastric lavage machine inserts a gastric tube into the patient's nose or mouth to reach the stomach. Lavage fluid is then injected through the tube, and the stomach contents are aspirated and drained into a standard plastic waste container or collection bottle. This process is repeated multiple times until the stomach is clean (the aspirated fluid is clear, has a similar color and transparency to the lavage fluid, and is odorless). In actual use, plastic drain buckets are usually used to collect the discharged gastric fluid. When the drain pipe opening is lower than the gastric fluid level in the drain bucket, a hydrostatic pressure is formed in the drain pipe, which offsets part of the negative pressure suction. This increases the resistance to fluid flow in the drain pipe, slows down the discharge of gastric fluid, and may even result in incomplete drainage, thus reducing the efficiency of gastric lavage.
[0004] Therefore, the present invention proposes a gastric lavage vomit collection device to solve the above-mentioned problems. Summary of the Invention
[0005] To address the aforementioned problems, this invention provides a gastric lavage vomit collection device. The device uses a buoyancy ring, a support, and a fixing ring to ensure that the outlet of the drain pipe is always above the liquid level in the drain tank, thus preventing the formation of a liquid seal in the drain pipe that would reduce the efficiency of gastric lavage. At the same time, a balancing component is used to maintain the stability of the outlet of the drain pipe.
[0006] To achieve the above objectives, the technical solution of the present invention is as follows: A gastric lavage vomit collection device includes an automatic gastric lavage machine and a control panel embedded in its surface. The control panel is electrically connected to a controller. The automatic gastric lavage machine is provided with a sewage discharge interface, a gastric tube interface, and a medicine interface. The sewage discharge interface, gastric tube interface, and medicine interface are respectively connected to a sewage discharge pipe, a gastric tube, and a medicine interface. A sewage discharge bucket is provided at the other end of the sewage discharge pipe. A fixing ring is fixedly connected to one end of the sewage discharge pipe inside the sewage discharge bucket. A buoyancy ring is provided inside the sewage discharge bucket. Symmetrically arranged brackets are fixedly connected to the top of the buoyancy ring. The top of each bracket is fixedly connected to the bottom of the fixing ring. Several evenly arranged balancing components are provided on the sewage discharge pipe for adjusting the balance of the buoyancy ring according to the flow rate inside the sewage discharge pipe. A cover plate is detachably connected to the top of the sewage discharge bucket. An opening is opened in the middle of the cover plate, and the sewage discharge pipe slides into the opening.
[0007] The technical principle of the above solution is as follows: When the automatic gastric lavage machine discharges the patient's vomit into the sewage bucket through the sewage pipe, the cooperation between the bracket and the fixed ring ensures that the sewage pipe opening and the top of the buoyancy ring are always at the same height, and the buoyancy ring uses buoyancy to always stay on the surface of the vomit liquid; when the liquid flow velocity in the sewage pipe is high, the sewage pipe opening swings, triggering the corresponding balance component, thereby improving the stability of the buoyancy ring.
[0008] The above approach has the following beneficial effects: 1. This solution uses a combination of a bracket and a fixing ring to ensure that the drain pipe opening is always above the vomit liquid level, preventing the opening from being below the liquid level and creating a liquid seal resistance, which would affect the negative pressure of the vomit in the drain pipe and increase the resistance to the patient's vomit discharge. 2. When the flow velocity in the sewage pipe is too high and it swings, the balancing component counteracts the lateral force through mechanical feedback, maintains the buoyancy ring horizontally and stably, avoids the sewage pipe swinging causing vomit to splash, and avoids the force of the sewage pipe swinging counteracting the buoyancy of the buoyancy ring, which increases the risk of the sewage pipe opening being submerged below the liquid surface.
[0009] Furthermore, each of the balancing components includes a spring, which is fixedly connected to the side wall of the sewage pipe. The other end of each spring is fixedly connected to a balance plate, and the top of each buoyancy ring is fixedly connected to several slide rails corresponding to the balance plate. The balance plate slides in cooperation with the top of the buoyancy ring.
[0010] Beneficial effects: The spring elasticity buffers the swaying of the sewage pipe, and the slide rail guides the displacement of the balance plate to counteract the lateral force; when the swaying amplitude of the sewage pipe opening is too large, the balance plate slides along the slide rail, converting the lateral force into displacement along the slide rail, expanding the horizontal support area of the buoyancy ring, and counteracting the swaying impact; the spring elasticity buffer and slide rail guidance realize the dynamic balance adjustment when the sewage pipe sways.
[0011] Furthermore, a buffer layer is fixedly connected to the side of the balance plate away from the sewage pipe.
[0012] Beneficial effects: When the lateral force of the swaying sewage pipe is too large, and the balance plate comes into contact with the inner wall of the sewage tank, the buffer layer absorbs the impact of the contact between the balance plate and the sewage tank, reducing the wear of the parts.
[0013] Furthermore, a warning ring corresponding to the opening is fixedly connected to the bottom center of the cover plate, and a pressure sensor is fixedly connected to the bottom of the warning ring. The pressure sensor is connected to the controller signal.
[0014] Beneficial effect: When the liquid level in the drain tank rises to near the cover plate, the buoyancy ring pushes the bracket upward, and the fixed ring contacts the pressure sensor at the bottom of the warning ring. After the pressure sensor is pressed, it sends an electrical signal to the controller. The height of the buoyancy ring is monitored by the pressure sensor, triggering a liquid level warning.
[0015] Furthermore, an alarm is fixedly connected to the top of the cover plate, and the alarm is connected to the controller signal.
[0016] Beneficial effect: The controller activates the alarm after receiving the pressure sensor signal.
[0017] Furthermore, the cover plate has several through holes.
[0018] Beneficial effects: When vomit is discharged into the bucket through the drain pipe, the gas inside the bucket is discharged through the through hole, preventing the air pressure from rising; when the liquid level drops, outside air enters through the through hole, preventing negative pressure inside the bucket; the through hole balances the air pressure inside and outside the drain bucket, preventing negative pressure from hindering the discharge.
[0019] Furthermore, the inner wall of the sewage tank is coated with a hydrophobic coating.
[0020] Beneficial effects: Reduces vomit residue on the bucket walls, making cleaning easier.
[0021] Furthermore, the buoyancy ring is wrapped with a corrosion-resistant rubber layer.
[0022] Beneficial effects: The rubber layer isolates corrosive vomit and protects the buoyancy ring.
[0023] Furthermore, a temperature sensor is installed on the inner wall of the sewage tank, and the temperature sensor is connected to the controller signal.
[0024] Beneficial effects: The temperature sensor monitors the temperature of vomit in real time, providing data support for clinical diagnosis, such as the temperature rise caused by gastric bleeding in patients.
[0025] Furthermore, the sewage bucket is equipped with a handle, which is hinged to the side wall of the sewage bucket.
[0026] Beneficial effects: The articulated handle facilitates the handling of the waste bin, optimizing operational convenience; it reduces the carrying burden on medical staff, especially suitable for full bins of vomit; the folding design saves storage space and improves the utilization rate of the emergency room environment.
[0027] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0028] Figure 1 This is an overall isometric view of an embodiment of the gastric lavage vomit collection device of the present invention; Figure 2 This is a front sectional view of the waste discharge bucket of an embodiment of the gastric lavage vomit collection device of the present invention; Figure 3 This is a side sectional view of the waste discharge bucket of an embodiment of the gastric lavage vomit collection device of the present invention; Figure 4 This is a side cross-sectional view of the buoyancy ring in an embodiment of the gastric lavage vomit collection device of the present invention.
[0029] The reference numerals in the accompanying drawings of the instruction manual include: 1. Automatic gastric lavage machine; 2. Control panel; 3. Drainage interface; 4. Gastric tube interface; 5. Medication interface; 6. Drainage pipe; 7. Drainage tank; 8. Fixing ring; 9. Buoyancy ring; 10. Bracket; 11. Cover plate; 12. Through port; 13. Spring; 14. Balance plate; 15. Slide rail; 16. Warning ring; 17. Warning device; 18. Through hole. Detailed Implementation
[0030] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0031] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0032] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0033] The following detailed description illustrates the specific implementation method: Example 1:
[0034] As attached Figure 1 As shown: A gastric lavage vomit collection device includes an automatic gastric lavage machine 1 and a control panel 2 embedded in its surface. The control panel 2 is electrically connected to a controller, preferably an STM32F103C8T6. The automatic gastric lavage machine 1 is provided with a sewage discharge port 3, a gastric tube port 4, and a medicine liquid port 5. The sewage discharge port 3, the gastric tube port 4, and the medicine liquid port 5 are respectively connected to a sewage discharge pipe 6, a gastric tube, and a medicine liquid pipe. The other end (pipe opening) of the sewage discharge pipe 6 is provided with a sewage discharge bucket 7. The inner wall of the sewage discharge bucket 7 is coated with a hydrophobic coating (to reduce the residue of vomit on the bucket wall and reduce the difficulty of cleaning). The sewage discharge bucket 7 is provided with a handle, which is hinged to the side wall of the sewage discharge bucket 7. When performing gastric lavage on a patient, the gastric fluid (vomit) needs to be drained into the waste collection bucket 7. This process is repeated multiple times until the bucket is clean. During this process, the amount of vomit in the waste collection bucket 7 will continuously increase, causing the waste collection pipe 6 to be below the vomit level. This creates a liquid seal resistance in the waste collection pipe 6, reducing the negative pressure effect within it and affecting the efficiency of vomit removal. To avoid the formation of a liquid seal resistance at the opening of the waste collection pipe 6, as shown in the attached... Figure 2 As shown, the drain pipe 6 is located inside the drain bucket 7 and has a fixed ring 8 integrally formed at one end. The drain bucket 7 is equipped with a buoyancy ring 9. The buoyancy ring 9 is wrapped with a corrosion-resistant rubber layer (to isolate corrosive vomit and protect the buoyancy ring 9). The top of the buoyancy ring 9 is integrally formed with symmetrically arranged brackets 10. The top of each bracket 10 is integrally formed with the bottom of the fixed ring 8. Through the cooperation of the brackets 10 and the fixed ring 8, the drain pipe 6 opening is always at the same height as the top of the buoyancy ring 9, thereby avoiding the drain pipe 6 opening being below the vomit liquid surface, avoiding the formation of liquid seal resistance, and ensuring the drain pipe 6's sewage discharge efficiency. The vomit is expelled by suction created by negative pressure within the drain pipe 6. When the velocity-laden water flow impacts the edge of the drain pipe 6 opening, it causes mechanical vibration. The higher the velocity within the drain pipe 6, the greater the vibration frequency and amplitude of the drain pipe 6 opening. The lateral oscillation force of the drain pipe 6 opening resists the buoyancy of the buoyancy ring 9, while the vomit level in the drain tank 7 continues to rise. This may cause the drain pipe 6 opening to submerge below the vomit level, creating a liquid seal resistance. To ensure the stability of the drain pipe 6 opening during the vomit discharge process, as shown in the attached... Figure 3 and attached Figure 4 As shown, the sewage pipe 6 is equipped with several evenly arranged balancing components for adjusting the balance of the buoyancy rings 9 according to the flow velocity inside the sewage pipe 6. The top of the sewage tank 7 is detachably connected to a cover plate 11, with an opening 12 in the middle of the cover plate 11. The sewage pipe 6 is slidably engaged with the opening 12. The cover plate 11 has several through holes 18 to balance the air pressure inside and outside the sewage tank 7 and prevent negative pressure from hindering sewage discharge. Each balancing component includes a spring 13, which is fixedly connected to the side wall of the sewage pipe 6 by adhesive. The other end of each spring 13 is fixedly connected to a balance plate 14 by adhesive. The top of each buoyancy ring 9 is integrally formed with several slide rails 15 corresponding to the balance plate 14. The balance plate 14 is slidably engaged with the top of the buoyancy ring 9 through the slide rails 15. The side of the balance plate 14 away from the sewage pipe 6 is fixedly connected with a buffer layer by adhesive to reduce the contact impact between the balance plate 14 and the side wall of the sewage tank 7.
[0035] The specific implementation process is as follows: Before performing gastric lavage on the patient, the sewage pipe 6 must be installed first. The end of the sewage pipe 6 with the fixing ring 8 and the buoyancy ring 9 is placed into the bottom of the sewage bucket 7. Then, the top of the sewage pipe 6 is passed through the opening 12 in the middle of the cover plate 11. The cover plate 11 is then installed on the top of the sewage bucket 7. Finally, the top of the sewage pipe 6 is connected to the sewage interface 3 of the automatic gastric lavage machine 1. Once gastric lavage begins, the automatic gastric lavage machine 1 administers lavage medication into the patient's stomach through a gastric tube. Then, the liquid mixed with toxins (vomit) is extracted from the stomach through the gastric tube and flows through the drain port 3 into the drain pipe 6, ultimately emptying into the drain tank 7. As vomit continues to be discharged into the drain tank 7, the liquid level gradually rises. If the drain pipe 6 opening is below the liquid level, a liquid seal resistance will form, counteracting the negative pressure suction within the drain pipe 6, resulting in slower or even incomplete vomit drainage, thus affecting the efficiency of the gastric lavage. Therefore, the buoyancy ring 9 is used to float upwards due to the buoyancy of the vomit. The top of the buoyancy ring 9 is connected to the bottom of the fixed ring 8 via the bracket 10. The fixed ring 8 is fixed to the end of the drain pipe 6 located inside the drain tank 7. When the buoyancy ring 9 floats, it will drive the fixed ring 8 and the opening of the drain pipe 6 to rise together via the bracket 10, ensuring that the opening of the drain pipe 6 is always at the same height as the top of the buoyancy ring 9, that is, the opening of the drain pipe 6 is always above the surface of the vomit. Through the cooperation of the buoyancy ring 9, the bracket 10 and the fixed ring 8, the formation of liquid seal resistance is effectively avoided, ensuring that the drain pipe 6 can continuously and efficiently discharge the vomit, thereby improving the overall efficiency of gastric lavage.
[0036] During the discharge of vomit through the drain pipe 6, the vomit is transported by suction generated by negative pressure within the drain pipe 6. When a water flow with a certain speed impacts the edge of the drain pipe 6 opening, it causes mechanical vibration at the opening. The higher the flow velocity, the greater the frequency and amplitude of the vibration. This vibration causes the drain pipe 6 opening to sway laterally. If not controlled, the force generated by the sway may counteract the buoyancy of the buoyancy ring 9, leading to the risk of the drain pipe 6 opening being submerged below the liquid surface. When the flow velocity at the drain pipe 6 opening is too high, although a fixing ring 8 is provided on the drain pipe 6 to achieve stability, the drain pipe 6 itself has corresponding elasticity, and the drain pipe 6 opening, as a pressure relief point for fluid outflow, is more likely to sway. Therefore, the drain pipe 6 opening still has a swaying problem. When the drain pipe 6 opening sways, it will cause the spring 13 to undergo elastic deformation. The other end of the spring 13 is connected to the balance plate 14, causing the balance plate 14 to slide on the slide rail 15. When the drain pipe 6 swings to one side, the spring 13 on that side will be compressed. The elastic force generated by the spring 13 will react on the drain pipe 6, which will buffer the swing. At the same time, when the swaying force is large, the balance plate 14 will slide along the slide rail 15 in the corresponding direction, converting the lateral swaying force into the displacement of the balance plate 14 along the slide rail 15, expanding the horizontal support area of the buoyancy ring 9, and further offsetting the swaying impact. When the swaying amplitude is too large, the balance plate 14 may contact the inner wall of the drain tank 7. The wall of the drain tank 7 restricts the swaying space of the balance plate 14 and thus restricts the swaying of the drain pipe 6. At this time, the buffer layer on the side of the balance plate 14 away from the drain pipe 6 absorbs the impact generated when in contact, reducing component wear. Through the mechanical feedback of the balance plate 14, the lateral force generated by the swaying of the drain pipe 6 is effectively offset, maintaining the horizontal stability of the buoyancy ring 9, avoiding the risk of vomit splashing caused by the swaying of the drain pipe 6, and the risk of the pipe opening being submerged below the liquid surface and forming liquid seal resistance, ensuring the stable operation of the entire draining process.
[0037] The gastric lavage vomit collection device of Example 1 was compared with the plastic waste bin 7 of the conventional Keda KD XW-472C automatic gastric lavage machine 1. The specific experiment is as follows: Experimental Objective: To compare the performance differences between a novel gastric lavage vomit collection device and a traditional plastic waste collection bucket during the gastric lavage process, focusing on evaluating the effectiveness of the novel device in avoiding liquid seal resistance, maintaining the stability of the waste collection pipe, and improving the efficiency of gastric lavage, so as to verify its clinical applicability and advantages.
[0038] Experimental steps: 1. Experimental preparation: Two identical Keda KD XW-472C automatic gastric lavage machines were used, one equipped with a novel collection device (Example 1) and the other equipped with a conventional plastic waste bin.
[0039] Prepare a mixture of simulated gastric juice and vomit (composed of physiological saline, food residue and dye), ensuring that the same volume (2000 mL) and composition of the mixture are used for each experiment.
[0040] The same gastric lavage parameters were set: aspiration pressure of -0.02 MPa, gastric lavage fluid infusion rate of 500 mL / min, and aspiration-infusion cycles of 5 times.
[0041] 2. Experimental procedure: The simulated mixture is injected into a simulated stomach bag through a gastric tube, and the automatic gastric lavage machine is activated to perform the gastric lavage operation.
[0042] Record the time required from the start of gastric lavage until the excreted fluid becomes clear (visual assessment).
[0043] Monitor the changes in the liquid level in the sewage tank and record whether the sewage pipe outlet is submerged below the liquid level and the number of times this occurs.
[0044] Use a high-speed camera to record the swing amplitude of the sewage outlet (calculated as the distance from the maximum deviation from the center position).
[0045] 4. Data Collection: Each experiment was repeated 10 times, and the average value was taken to reduce error.
[0046] Experimental data were recorded by independent observers to ensure objectivity.
[0047] Experimental data: index New device Traditional devices Time taken to complete gastric lavage (minutes) 8.2 12.3 Number of times the drain pipe outlet is immersed below the liquid surface 0 7 Sewage pipe swing amplitude (mm) 5.5 15.7 Experimental conclusion: A novel gastric lavage vomit collection device demonstrated significant advantages in experiments. Firstly, through the design of the buoyancy ring and balancing components, the new device effectively prevents the drain pipe from being submerged below the liquid surface, completely eliminating liquid seal resistance and thus shortening the gastric lavage completion time. Secondly, the balancing components significantly reduce the swing amplitude of the drain pipe, improving operational stability and reducing the risk of vomit splashing. Furthermore, the new device reduces the volume of gastric residue, indicating higher emptying efficiency. Overall, the new device outperforms traditional plastic vomit collection buckets in terms of gastric lavage efficiency, stability, and ease of operation, making it suitable for emergency care scenarios.
[0048] Example 2:
[0049] As attached Figure 1 and attached Figure 2As shown, the difference from Embodiment 1 is that during the process of the patient expelling vomit, medical staff need to observe the patient's condition, the data information on the control panel 2, and the vomit level in the sewage tank 7. The medical staff's attention is distracted when observing multiple things at the same time, which can easily lead to delayed response to emergencies. In order to reduce the medical staff's attention on the sewage tank 7, a warning ring 16 corresponding to the opening 12 is fixedly connected to the bottom center of the cover plate 11. A pressure sensor is welded to the bottom of the warning ring 16. The preferred model of the pressure sensor is TE MS5837-30BA. The pressure sensor is connected to the controller signal. An alarm 17 is welded to the top of the cover plate 11. The preferred model of the alarm 17 is Kingstate KPS-2230. The alarm 17 is connected to the controller signal. When the vomit level in the sewage tank 7 rises to a certain height (e.g., the vomit occupies 1 / 3 of the sewage tank 7 volume), the top of the fixed ring 8 contacts the bottom of the warning ring 16. The pressure sensor at the bottom of the warning ring 16 detects the pressure change and controls the alarm 17 to flash the light and emit a buzzer sound through the controller to remind the medical staff to replace the sewage tank 7. The inner wall of the sewage tank 7 is equipped with a temperature sensor, preferably a TI TMP117. The temperature sensor is connected to the controller signal and monitors the temperature of the vomit. The controller displays the monitored temperature data on the control panel 2. Medical staff do not need to monitor the temperature of the vomit separately to determine the patient's condition, such as when the patient's gastric bleeding causes the vomit temperature to be too high.
[0050] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.
Claims
1. A gastric lavage vomit collection device, comprising an automatic gastric lavage machine (1) and a control panel (2) embedded in its surface, the control panel (2) being electrically connected to a controller, the automatic gastric lavage machine (1) being provided with a drain port (3), a gastric tube port (4) and a medication port (5), the drain port (3), the gastric tube port (4) and the medication port (5) being respectively connected to a drain pipe (6), a gastric tube and a medication pipe, the other end of the drain pipe (6) being provided with a drain bucket (7), characterized in that: The drain pipe (6) is located inside the drain bucket (7) and is fixedly connected to one end with a fixing ring (8). The drain bucket (7) is equipped with a buoyancy ring (9). The top of the buoyancy ring (9) is fixedly connected to a symmetrically arranged bracket (10). The top of the bracket (10) is fixedly connected to the bottom of the fixing ring (8). The drain pipe (6) is equipped with several evenly arranged balancing components for adjusting the balance of the buoyancy ring (9) according to the flow velocity inside the drain pipe (6). The top of the drain bucket (7) is detachably connected to a cover plate (11). The cover plate (11) has an opening (12) in the middle. The drain pipe (6) and the opening (12) are slidably fitted.
2. The gastric lavage vomit collection device according to claim 1, characterized in that: All balancing components include springs (13), which are fixedly connected to the side wall of the drain pipe (6). The other end of each spring (13) is fixedly connected to a balance plate (14). Several slide rails (15) corresponding to the balance plate (14) are fixedly connected to the top of each buoyancy ring (9). The balance plate (14) slides with the top of the buoyancy ring (9).
3. The gastric lavage vomit collection device according to claim 2, characterized in that: The side of the balance plate (14) away from the drain pipe (6) is fixedly connected with a buffer layer.
4. The gastric lavage vomit collection device according to claim 1, characterized in that: A warning ring (16) corresponding to the opening (12) is fixedly connected to the bottom center of the cover plate (11). A pressure sensor is fixedly connected to the bottom of the warning ring (16), and the pressure sensor is connected to the controller signal.
5. The gastric lavage vomit collection device according to claim 4, characterized in that: An alarm (17) is fixedly connected to the top of the cover plate (11), and the alarm (17) is connected to the controller signal.
6. The gastric lavage vomit collection device according to claim 5, characterized in that: The cover plate (11) has several through holes (18).
7. The gastric lavage vomit collection device according to claim 1, characterized in that: The inner wall of the sewage tank (7) is coated with a hydrophobic coating.
8. The gastric lavage vomit collection device according to claim 1, characterized in that: The buoyancy ring (9) is wrapped with a corrosion-resistant rubber layer.
9. The gastric lavage vomit collection device according to claim 1, characterized in that: A temperature sensor is installed on the inner wall of the sewage tank (7), and the temperature sensor is connected to the controller signal.
10. The gastric lavage vomit collection device according to claim 1, characterized in that: The sewage bucket (7) is equipped with a handle, which is hinged to the side wall of the sewage bucket (7).