Multifunctional auxiliary equipment for gastric lavage of acute poisoning patient
By setting up a guide assembly and a two-way airbag valve combination at the front end of the gastric scrubber tube and combining the oral fixation component, the gastrointestinal mucosal damage and aspiration problems in gastrointestinal mucosa during gastric lavage in patients with acute poisoning is solved, and the patient's comfort and safety are improved.
Patent Information
- Application Number
- CN202510393700.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2025-07-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When used in patients with acute poisoning, existing gastric scrubbers can easily lead to gastrointestinal mucosa damage, aspiration, reduced oxygen saturation and lung infection, and the patient has difficulty in oral control, which increases the condition and hospitalization time.
A multi-functional auxiliary device for gastric lavage in patients with acute poisoning is designed. The guide assembly is equipped with a search camera, and the airbag is combined with a two-way valve. The fixation assembly is used to open the oral cavity and adsorb saliva to reduce the pain of intubation and the risk of aspiration.
It reduces the risk of gastrointestinal mucosa damage and aspiration, improves patient comfort, and reduces the risk of discomfort and complications during gastric lavage.
Smart Images

Figure CN120285333A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of gastric lavage auxiliary devices, and specifically relates to a multifunctional auxiliary device for gastric lavage of acute poisoning patients. Background Art
[0002] Gastric lavage is to inject a specific liquid into the stomach, mix it with the contents in the stomach, and then draw it out, and this process is repeated multiple times; the main purpose of this operation is to remove the toxic substances that have not been absorbed in the stomach or to clean the gastric cavity, and it is often used for the preparation before gastric surgery and the emptying before examination; in the case of acute poisoning, such as a patient ingesting drugs such as organophosphorus, inorganic phosphorus, alkaloids, barbiturates, etc. in a short time, gastric lavage has become a crucial emergency treatment method;
[0003] In actual clinical use, currently, blind insertion of the gastric lavage machine is likely to cause damage to the gastrointestinal mucosa, the discomfort of the patient during the intubation process is relatively strong, and it is likely to cause aspiration during the gastric lavage process, and even the oxygen saturation decreases, and even pulmonary infection, which aggravates the patient's condition and prolongs the patient's hospital stay; at the same time, during the gastric lavage process, due to the patient being in a weak state and having a low level of consciousness intensity, the patient's oral cavity needs to be controlled during gastric lavage;
[0004] In summary, this solution proposes an auxiliary device that can relieve the pain during intubation, reduce patient aspiration, and at the same time can control the patient's oral cavity to a certain extent. Summary of the Invention
[0005] In order to solve the above technical problems, the present invention designs a multifunctional auxiliary device for gastric lavage of acute poisoning patients. By setting a guiding component at the front end of the gastric lavage tube, and setting a searchlight camera at the front end of the guiding component and connecting it to the gastric lavage machine, it can provide a visual field when inserting the gastric lavage tube, reducing the damage to the patient's gastrointestinal mucosa. At the same time, an airbag is set near the gastric end of the gastric lavage tube, and a two-way valve is set inside the airbag. After the intubation reaches the patient's stomach, the airbag is inflated to make it expand and closely adhere to the gastric wall, forming a barrier. At the same time, through cooperation with the two-way valve, it can prevent patient aspiration; at the same time, a fixing component is set at the patient's oral cavity position, which can open the patient's oral cavity, control and press the patient's tongue, and adsorb the saliva generated during gastric lavage, improving the patient's comfort and reducing the risk during gastric lavage;
[0006] In order to achieve the above technical effects, the present invention is realized through the following technical solutions: a multifunctional auxiliary device for gastric lavage of acute poisoning patients, including: a guiding component, an anti-aspiration component, a fixing component, and a gastric lavage device;
[0007] The guiding component is arranged at the end of the gastric lavage device, the anti-aspiration component is arranged at the rear end, and the fixing component is slidably connected in the middle;
[0008] The fixing component includes a fixing rope, a fixing housing, a spreading plate, a tongue pressing component, a gear, a rack, a spreading knob, a spreading rod, a telescopic rod, a limiting strip, and a torsion rod; fixing ropes are symmetrically arranged at both ends of the fixing housing, a circular hole is opened in the middle, spreading plates are symmetrically arranged above and below, and a groove is opened inside; an L-shaped spreading rod is arranged at the rear end of the spreading plate and is slidably connected to the groove inside the fixing housing; a rack in the shape of an L is connected to the rear end of the spreading rod; gears are arranged in the middle of the two racks and are engaged; a torsion rod is arranged at the rear end of the gear; the rear end of the torsion rod passes through the fixing housing and is slidably connected to the telescopic rod; a limiting strip is arranged on the telescopic rod, and a spreading knob is arranged at the rear end; a tongue pressing component is arranged on the lower spreading plate;
[0009] Further, the groove of the fixing housing at the connection with the spreading rod is a through groove to facilitate the up and down sliding of the spreading rod, and several grooves of the same size as the limiting strip are arranged at the connection of the fixing housing with the spreading knob for circumferential limitation;
[0010] Further, the tongue pressing component includes an absorption cavity, a tongue pressing plate, a connecting rod, and a negative pressure suction port; the connecting rod is fixedly connected to the lower spreading plate, a tongue pressing plate is arranged at the front end of the connecting rod, and a negative pressure suction port is arranged at the rear end; the tongue pressing plate is of a hollow structure, and an absorption cavity is arranged inside; the negative pressure suction port penetrates through the connecting rod and is connected to the absorption cavity;
[0011] Further, the tongue pressing plate is arranged to be slightly curved upward;
[0012] Further, the guiding component includes a transparent protective shell, a search camera, and a guiding head; the guiding head is fixedly connected to the end of the gastric lavage device, a search camera is arranged at the front end of the guiding head, and a transparent protective shell is arranged outside;
[0013] Further, the guiding head has a gradually changing diameter, gradually increasing from the head end;
[0014] Further, the anti - aspiration component includes a two - way valve and an airbag; the two - way valve is arranged at the rear end of the gastric lavage device, and an airbag is arranged outside the two - way valve;
[0015] Further, the gastric lavage device includes a gastric lavage tube and a diversion port; the end of the gastric tube is fixedly connected to the guiding head, a diversion port is arranged at the connection, and an anti - aspiration component is arranged at the rear end;
[0016] Further, the anti - aspiration component is arranged near the gastric part of the gastric lavage tube.
[0017] The beneficial effects of the present invention are:
[0018] The present invention provides a vision during the insertion of a gastric lavage tube by arranging a guiding component at the front end of the gastric lavage tube, arranging a searchlight camera at the front end of the guiding component, and connecting it to a gastric lavage machine, thereby reducing the damage to the gastrointestinal mucosa of the patient. Meanwhile, an airbag is arranged near the gastric end of the gastric lavage tube, and a two-way valve is arranged inside the airbag. After the intubation tube is inserted into the patient's stomach, the airbag is inflated to make it expand and closely adhere to the gastric wall, forming a barrier. Through cooperation with the two-way valve, it can prevent the patient from aspirating.
[0019] Meanwhile, a fixing component is arranged at the position of the patient's oral cavity. The patient's oral cavity can be opened by a spreading plate, and the patient's tongue can be controlled and pressed by a tongue depressor. Through the absorption cavity inside the tongue depressor, a negative pressure suction port is used to connect a negative pressure device to adsorb the saliva generated during the gastric lavage process, improving the comfort of the patient and reducing the risk during the gastric lavage process. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below.
[0021] Figure 1 is an overall structural schematic diagram of a multifunctional auxiliary device for gastric lavage of acute poisoning patients;
[0022] Figure 2 is a front view cross-sectional view of a multifunctional auxiliary device for gastric lavage of acute poisoning patients;
[0023] Figure 3 is a structural schematic diagram of the fixing component of a multifunctional auxiliary device for gastric lavage of acute poisoning patients;
[0024] Figure 4 is a rear view of the fixing component of a multifunctional auxiliary device for gastric lavage of acute poisoning patients;
[0025] Figure 5 is a structural schematic diagram of the gear connection of a multifunctional auxiliary device for gastric lavage of acute poisoning patients;
[0026] Figure 6 is a structural schematic diagram of the interior of the fixing component of a multifunctional auxiliary device for gastric lavage of acute poisoning patients;
[0027] In the drawings, the list of components represented by each reference numeral is as follows:
[0028] 1 - guiding component, 101 - transparent protective shell, 102 - searchlight camera, 103 - guiding head, 2 - anti - aspiration component, 201 - two - way valve, 202 - airbag, 3 - fixing component, 301 - fixing rope, 302 - fixing shell, 303 - spreading plate, 304 - tongue - pressing component, 3041 - absorption cavity, 3042 - tongue - pressing plate, 3043 - connecting rod, 3044 - negative - pressure suction port, 305 - gear, 306 - rack, 307 - spreading knob, 308 - spreading rod, 309 - telescopic rod, 310 - limiting strip, 311 - torsion bar, 4 - gastric lavage device, 401 - gastric lavage tube, 402 - diversion port. Detailed implementation manners
[0029] The present invention discloses a multifunctional auxiliary device for gastric lavage of acute poisoning patients, including: a guiding component 1, an anti - aspiration component 2, a fixing component 3, and a gastric lavage device 4; the end of the gastric lavage device 4 is provided with the guiding component 1, the rear end is provided with the anti - aspiration component 2, and the middle is slidably connected with the fixing component 3; the fixing component 3 includes a fixing rope 301, a fixing shell 302, a spreading plate 303, a tongue - pressing component 304, a gear 305, a rack 306, a spreading knob 307, a spreading rod 308, a telescopic rod 309, a limiting strip 310, and a torsion bar 311; the fixing ropes 301 are symmetrically arranged at both ends of the fixing shell 302, a circular hole is opened in the middle, the spreading plates 303 are symmetrically arranged up and down, and a groove is opened inside; the rear end of the spreading plate 303 is provided with an L - shaped spreading rod 308 which is slidably connected with the groove inside the fixing shell 302; the rear end of the spreading rod 308 is connected with an L - shaped rack 306; a gear 305 is arranged between the two racks 306 and meshed; the rear end of the gear 305 is provided with a torsion bar 311; the rear end of the torsion bar 311 passes through the fixing shell 302 and is slidably connected with the telescopic rod 309; a limiting strip 310 is arranged on the telescopic rod 309, and a spreading knob 307 is arranged at the rear end; a tongue - pressing component 304 is arranged on the lower spreading plate 303; the spreading plate 303 can open the patient's mouth, and the tongue - pressing plate 3042 is used to control pressing the patient's tongue. Through the absorption cavity 3041 inside the tongue - pressing plate 3042, and then using the negative - pressure suction port 3044 to connect to a negative - pressure device to adsorb the saliva generated during the gastric lavage process, it can improve the patient's comfort and reduce the risk during the gastric lavage process.
[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0031] Embodiment 1
[0032] As Figure 1 、 3As shown in Fig. -6, a guiding component 1 is provided at the end of the gastric lavage device 4, an anti - aspiration component 2 is provided at the rear end, and a fixing component 3 is slidably connected in the middle; the fixing component 3 includes a fixing rope 301, a fixing outer shell 302, a spreading plate 303, a tongue - pressing component 304, a gear 305, a rack 306, a spreading knob 307, a spreading rod 308, a telescopic rod 309, a limiting strip 310, and a torsion rod 311; fixing ropes 301 are symmetrically arranged at both ends of the fixing outer shell 302, a circular hole is formed in the middle, spreading plates 303 are symmetrically arranged above and below, and a groove is formed inside; an L - shaped spreading rod 308 is arranged at the rear end of the spreading plate 303 and is slidably connected to the groove inside the fixing outer shell 302; the rear end of the spreading rod 308 is connected to an L - shaped rack 306; a gear 305 is arranged between the two racks 306 and is engaged therewith; a torsion rod 311 is arranged at the rear end of the gear 305; the rear end of the torsion rod 311 passes through the fixing outer shell 302 and is slidably connected to the telescopic rod 309; a limiting strip 310 is arranged on the telescopic rod 309, and a spreading knob 307 is arranged at the rear end; a tongue - pressing component 304 is arranged on the lower spreading plate 303; the groove of the fixing outer shell 302 where the spreading rod 308 is connected is a through - groove to facilitate the up - and - down sliding of the spreading rod 308, and several grooves of the same size as the limiting strip 310 are arranged at the connection of the fixing outer shell 302 and the spreading knob 307 for circumferential limitation;
[0033] The tongue - pressing component 304 includes an absorption cavity 3041, a tongue - pressing plate 3042, a connecting rod 3043, and a negative - pressure suction port 3044; the connecting rod 3043 is fixedly connected to the lower spreading plate 303, a tongue - pressing plate 3042 is arranged at the front end of the connecting rod 3043, and a negative - pressure suction port 3044 is arranged at the rear end; the tongue - pressing plate 3042 is of a hollow structure, and the inside is set as an absorption cavity 3041; the negative - pressure suction port 3044 penetrates through the connecting rod 3043 and is connected to the absorption cavity 3041; the tongue - pressing plate 3042 is set to be slightly curved upward;
[0034] In this embodiment, when the device is in use, first rotate the spreading knob 307 to drive the gear 305 to rotate, so that the engaged rack 306 slides, thereby adjusting the spreading width of the spreading plates 303 at both ends. After the adjustment is completed, press the spreading knob 307 to insert the limiting strip 310 on the telescopic rod 309 into the groove on the fixing outer shell 302, thereby performing circumferential limitation on the gear 305. Put the device into the patient's mouth and fix it to the patient's ears with the fixing ropes 301 at both ends. At this time, the gastric lavage tube 401 can be inserted into the patient's body through the hole in the center of the fixing outer shell 302. At the same time, use the tongue - pressing plate 3042 to press the patient's tongue, and connect the negative - pressure suction port 3044 to an external negative - pressure device, so as to adsorb the saliva generated during the gastric lavage process and improve the comfort of the patient;
[0035] In this embodiment, the tongue - pressing plate 3042 is set to be slightly curved upward, which can, while ensuring the fit with the patient's tongue, prevent the excessive bending amplitude from affecting the difficulty of putting the device into the patient's mouth;
[0036] In this embodiment, the fixing component 3 can open the patient's oral cavity through the spreading plate 303, ensuring the smooth insertion of the gastric lavage tube 401, reducing discomfort during the intubation process. The tongue depressor 3042 in the tongue pressing component 304 can control and press the patient's tongue, preventing the tongue from obstructing the operation or causing discomfort to the patient during gastric lavage. The spreading plate 303 and the tongue depressor 3042 work together to keep the patient's oral cavity open, facilitating medical staff to observe and control the gastric lavage process, reducing the risk of aspiration caused by oral cavity closure or tongue movement. The design of the absorption cavity 3041 and the negative pressure suction port 3044 inside the tongue depressor 3042 can effectively adsorb saliva generated during gastric lavage, preventing saliva from entering the respiratory tract by mistake and further reducing the risk.
[0037] Embodiment 2
[0038] As Figure 1 、 2 shown, the guiding component 1 includes a transparent protective shell 101, a searchlight camera 102, and a guiding head 103; the guiding head 103 is fixedly connected to the end of the gastric lavage device 4, a searchlight camera 102 is arranged at the front end of the guiding head 103, and a transparent protective shell 101 is arranged outside; the guiding head 103 has a gradually changing diameter, gradually increasing from the head end.
[0039] The anti-aspiration component 2 includes a two-way valve 201 and an airbag 202; the two-way valve 201 is arranged at the rear end of the gastric lavage device 4, and an airbag 202 is arranged outside the two-way valve 201.
[0040] The gastric lavage device 4 includes a gastric lavage tube 401 and a diversion port 402; the end of the gastric tube is fixedly connected to the guiding head 103, a diversion port 402 is arranged at the connection, and an anti-aspiration component 2 is arranged at the rear end; the anti-aspiration component 2 is arranged near the gastric end of the gastric lavage tube 401.
[0041] In this embodiment, when the device is in use, through the guiding component 1 at the front end, the insertion angle of the gastric lavage tube 401 can be adjusted according to the situation inside the patient's body photographed by the searchlight camera 102, thereby preventing damage to the patient's gastrointestinal mucosa.
[0042] After the gastric lavage tube 401 is inserted into the patient's stomach, the airbag 202 is inflated to expand and fit the inner wall of the patient's stomach, forming a barrier to reduce the risk of patient aspiration. Through the control of the two-way valve 201, it is set as a one-way inward structure when injecting gastric lavage fluid. When the gastric pressure increases or the patient coughs or vomits, the valve closes tightly to prevent the gastric lavage fluid or gastric contents from flowing back into the oral cavity or respiratory tract; when extracting the filth in the stomach, it is set as a one-way discharge structure, and when the external pressure increases, the valve closes to prevent external air or liquid from entering the stomach.
[0043] In this embodiment, the searchlight camera 102 provided at the front end of the guiding component 1 can capture images of the patient's body in real time and transmit them to an external display device, providing a clear view for the operator. This enables the operator to accurately judge the position when inserting the gastric lavage tube 401, avoiding damage to the patient's gastrointestinal mucosa. The gradient diameter design of the guiding component 1 allows the gastric lavage tube 401 to be inserted into the patient's body more easily, reducing the resistance and discomfort during the intubation process;
[0044] In this embodiment, the anti-aspiration component 2 is configured by arranging an airbag 202 near the gastric end of the gastric lavage tube 401 and a two-way valve 201 inside the airbag 202. After the intubation reaches the patient's stomach, the airbag 202 can be inflated to expand and closely adhere to the gastric wall, forming a barrier to effectively prevent the patient from aspirating gastric lavage fluid or gastric contents during gastric lavage, reducing the risk of complications such as lung infections. The setting of the two-way valve 201 can ensure that the gastric lavage fluid flows unidirectionally inward during injection and discharges unidirectionally when extracting the filth in the stomach, preventing external air or liquid from entering the stomach and ensuring the continuity and effectiveness of the gastric lavage process;
[0045] In this embodiment, the diversion port 402 is located at the connection between the gastric lavage tube 401 and the guiding head 103, which can effectively guide the gastric lavage fluid to flow from the gastric lavage tube 401 into the patient's stomach, ensuring the uniform distribution and effective cleaning of the gastric lavage fluid. At the same time, by setting the diversion port 402, the front-end guiding component 1 can be installed without occupying the diameter of the gastric lavage tube 401, ensuring the diameter of the gastric lavage tube 401 while providing a guiding and detecting function.
[0046] In summary, the present invention provides a view when inserting the gastric lavage tube 401 by arranging a guiding component 1 at the front end of the gastric lavage tube 401, setting a searchlight camera 102 at the front end of the guiding component 1, and connecting it to a gastric lavage machine, reducing the damage to the patient's gastrointestinal mucosa. At the same time, an airbag 202 is arranged near the gastric end of the gastric lavage tube 401, and a two-way valve 201 is arranged inside the airbag 202. After the intubation reaches the patient's stomach, the airbag 202 is inflated to expand and closely adhere to the gastric wall, forming a barrier. In cooperation with the two-way valve 201, it prevents the patient from aspirating;
[0047] Meanwhile, a fixing component 3 is arranged at the patient's oral position. The opening plate 303 can open the patient's mouth, and the tongue depressor 3042 is used to control and press the patient's tongue. Through the absorption cavity 3041 inside the tongue depressor 3042, a negative pressure suction port 3044 is then connected to a negative pressure device to adsorb the saliva generated during the gastric lavage process, improving the patient's comfort and reducing the risk during the gastric lavage process.
[0048] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described above.
Claims
1. A multifunctional auxiliary device for gastric lavage of acute poisoning patients, characterized in that, Including: A guiding component, an anti-aspiration component, a fixing component, and a gastric lavage device; The guiding component is arranged at the end of the gastric lavage device, the anti-aspiration component is arranged at the rear end, and the fixing component is slidably connected in the middle; The fixing component includes a fixing rope, a fixing housing, a spreading plate, a tongue depressor component, a gear, a rack, a spreading knob, a spreading rod, a telescopic rod, a limiting strip, and a torsion rod; the fixing ropes are symmetrically arranged at both ends of the fixing housing, a circular hole is opened in the middle, the spreading plates are symmetrically arranged up and down, and a groove is opened inside; an L-shaped spreading rod is arranged at the rear end of the spreading plate and is slidably connected to the groove inside the fixing housing; the rear end of the spreading rod is connected to an L-shaped rack; a gear is arranged in the middle of the two racks and meshes; a torsion rod is arranged at the rear end of the gear; the rear end of the torsion rod passes through the fixing housing and is slidably connected to the telescopic rod; a limiting strip is arranged on the telescopic rod, and a spreading knob is arranged at the rear end; a tongue depressor component is arranged on the lower spreading plate.
2. The multifunctional auxiliary device for gastric lavage of acute poisoning patients according to claim 1, wherein The groove of the fixing housing at the connection of the spreading rod is a through groove to facilitate the up and down sliding of the spreading rod, and several grooves of the same size as the limiting strip are arranged at the connection of the fixing housing and the spreading knob for circumferential limiting.
3. A multi-functional auxiliary device for gastric lavage of acute poisoning patients according to claim 1, characterized in that, The tongue depressor component includes an absorption cavity, a tongue depressor plate, a connecting rod, and a negative pressure suction port; the connecting rod is fixedly connected to the lower spreading plate, a tongue depressor plate is arranged at the front end of the connecting rod, and a negative pressure suction port is arranged at the rear end; the tongue depressor plate is of a hollow structure, and the inside is set as an absorption cavity; the negative pressure suction port penetrates through the connecting rod and is connected to the absorption cavity.
4. The multifunctional auxiliary device for gastric lavage of acute poisoning patients according to claim 3, wherein, The tongue depressor plate is set to be slightly curved upward.
5. The multifunctional auxiliary device for gastric lavage of acute poisoning patients according to claim 1, wherein, The guiding component includes a transparent protective shell, a searchlight camera, and a guiding head; the guiding head is fixedly connected to the end of the gastric lavage device, a searchlight camera is arranged at the front end of the guiding head, and a transparent protective shell is arranged outside.
6. The multifunctional auxiliary device for gastric lavage of acute poisoning patients according to claim 5, wherein The guiding head has a gradually changing diameter, gradually increasing from the head end.
7. The multifunctional auxiliary device for gastric lavage of acute poisoning patients according to claim 1, wherein The anti-aspiration component includes a two-way valve and an airbag; the two-way valve is arranged at the rear end of the gastric lavage device, and an airbag is arranged outside the two-way valve.
8. The multifunctional auxiliary device for gastric lavage of acute poisoning patients according to claim 1, wherein The gastric lavage device includes a gastric lavage tube and a diversion port; the end of the gastric tube is fixedly connected to the guiding head, a diversion port is arranged at the connection, and an anti-aspiration component is arranged at the rear end.
9. The multifunctional auxiliary device for gastric lavage of acute poisoning patients according to claim 8, wherein The anti-aspiration component is arranged near the gastric part of the gastric lavage tube.