Dental chair pipeline disinfectant supply device and working method

Abstract

The invention provides a dental chair pipeline disinfectant supply device and a working method, relates to the field of medical disinfection instruments, and aims to solve the problem that a dental chair pipeline is easy to corrode or is not disinfected in place when being disinfected at present, a first accommodating cavity and a second accommodating cavity are communicated through a siphon, and liquid in the second accommodating cavity can be injected into the first accommodating cavity by utilizing a siphon principle; therefore, the solution in the first containing cavity is gradually diluted, the purpose of providing gradient-concentration disinfectant for the dental chair pipeline is achieved, the pipeline is disinfected and killed through the initial high-concentration solution, the disinfection and killing effect is guaranteed, washing of the low-concentration solution is executed subsequently, continuous corrosion of high-concentration solution residues to the pipeline is reduced, meanwhile, a protection environment is established through the low-concentration solution, and the service life of the dental chair pipeline is prolonged. The disinfection work requirements are met.

Description

Technical Field

[0001] The present invention relates to the field of medical disinfection instruments, and particularly relates to a dental chair pipeline disinfectant supply device and a working method thereof. Background Art

[0002] During oral treatment, the strong suction and weak suction pipelines of the dental chair will come into contact with various oral contaminants such as the patient's saliva, blood, gingival crevicular fluid, etc. These contaminants may carry a large number of pathogens such as bacteria, viruses, fungi, etc., such as common Staphylococcus aureus, hepatitis B virus, Candida albicans, etc. Pathogens in the oral cavity can survive in the suction pipeline for a long time under suitable conditions. When the strong suction pipeline and the weak suction pipeline are working, a certain negative pressure environment will be formed, causing the attachment and growth of pathogens in the pipeline. Moreover, during subsequent diagnosis and treatment, the pathogens in the pipeline may also be splashed back into the oral treatment area again along with the flow of the suction liquid and the mixing of gas and liquid, causing a wider range of pollution and transmission. Therefore, it is necessary to regularly disinfect the pipeline to reduce the risk of contacting these pathogens through the saliva suction pipeline, thereby reducing cross-infection.

[0003] Chinese Patent (Publication No. CN 213250894 U, Publication Date: May 25, 2021) discloses a disinfection device for the strong and weak suction pipelines of a treatment machine. The dental chair is connected to a disinfectant container through a strong and weak suction handle, and a flow limiting device is provided on the disinfectant container. Through the cooperation of a negative pressure generating device, a disinfectant container, and a flow limiting device, it is possible to disinfect the pipelines in the dental chair that are usually not accessible for disinfection, and the flow limiting device restricts the size of the water flow passing through the dental chair pipeline to prevent the disinfectant from spraying onto the fan blades in the negative pressure generating device, thereby prolonging the service life of the negative pressure generating device. After disinfecting the pipeline using the above-mentioned disinfection device for the strong and weak suction pipelines of the treatment machine, it is still necessary to open the flow limiting seat and inject clean water into the disinfectant container to flush the inside of the pipeline to reduce the residual disinfectant inside the pipeline. However, this process is relatively cumbersome and requires disassembly, filling, and reinstallation, and it is easy to introduce new pollution sources during operation, which is not suitable for medical use scenarios; the disinfectant injected into the disinfectant container is in a fixed ratio. In order to ensure the disinfection effect, a disinfectant with a relatively high concentration is often used, but it also has a strong corrosive effect on the instrument pipeline. During the process of connecting clean water, the high-concentration disinfectant remains in the instrument pipeline during this period, which is likely to exacerbate the corrosion of the instrument and affect the service life of the instrument. Summary of the Invention

[0004] The object of the present invention is to provide a dental chair pipeline disinfectant supply device and a working method in view of the defects existing in the prior art. By connecting the first cavity and the second cavity through a siphon tube, the liquid in the second cavity can be injected into the first cavity by using the siphon principle, so as to gradually dilute the solution in the first cavity, achieve the purpose of providing disinfectant with gradient concentration for the dental chair pipeline, use the initial high-concentration solution for pipeline disinfection to ensure the disinfection effect, perform flushing with low-concentration solution subsequently to reduce the continuous corrosion of the pipeline by the residue of the high-concentration solution, and at the same time establish a protective environment with the low-concentration solution to meet the requirements of disinfection work; during use, only need to connect the liquid suction tube with external pipelines to be disinfected such as the dental chair pipeline, then the solution in the first cavity can be extracted through the liquid suction tube for disinfection, and at the same time the siphon tube will automatically dilute and supplement the solution, without the need for manual frequent operations such as solution preparation, reducing the risk of exposure and pollution, and improving the convenience and efficiency of disinfection work.

[0005] The first object of the present invention is to provide a dental chair pipeline disinfectant supply device, adopting the following scheme:

[0006] It includes a container, the interior of the container is partitioned into a first cavity and a second cavity, the first cavity is provided with a hole cover, and the hole cover is provided with an installation hole for cooperating with the liquid suction tube. The liquid suction tube is communicated with the first cavity to extract the solution in the first cavity and supply it to external pipelines to be disinfected. The first cavity and the second cavity are communicated through a siphon tube, and the solution in the first cavity is gradually diluted by using the siphon tube to siphon the liquid in the second cavity into the first cavity.

[0007] Furthermore, a partition board is provided inside the container, and the partition board is located at the corner position inside the container, so that the partition board combines with the inner wall of the container to form the second cavity, making the vertical cross-section of the first cavity in an L shape, and the bottom of the second cavity is above the bottom of the first cavity, so that a height difference is formed between the bottoms of the first cavity and the second cavity to smoothly form a siphon.

[0008] Furthermore, the top of the first cavity is flush with the top of the second cavity, the liquid adding holes of the second cavity and the first cavity are both located at the top, and the hole cover cooperates with the liquid adding hole of the first cavity.

[0009] Furthermore, the liquid adding hole of the second cavity is provided with a sealing cover.

[0010] Furthermore, the siphon tube is a U-shaped tube, one end of the siphon tube extends to the bottom inside the first cavity, and the other end extends to the bottom inside the second cavity after passing through the partition board.

[0011] Furthermore, one end of the liquid suction tube extends into the first cavity and extends to the bottom inside the first cavity, and the liquid inlet at the end of the liquid suction tube is spaced from the opening at one end of the siphon tube.

[0012] Furthermore, the container is made of transparent material, and a handle is installed on the container.

[0013] Further, the side walls of the container are respectively provided with scales corresponding to the distribution positions of the first cavity and the second cavity.

[0014] The second object of the present invention is to provide a working method of a dental chair pipeline disinfectant supply device as described in the first object, including:

[0015] Inject the disinfection solution into the first cavity, inject the liquid for dilution into the second cavity, ensure that the siphon tube is filled with liquid, the initial liquid levels of the solution and the liquid are flush, install the hole cover and the liquid suction tube, and connect the liquid suction tube to the pipeline to be disinfected of the dental chair;

[0016] When starting disinfection, the liquid suction tube extracts the high-concentration solution in the first cavity to preliminarily disinfect the pipeline;

[0017] As the solution in the first cavity is continuously extracted, the liquid level in the first cavity gradually drops. Under the action of the siphon tube, the liquid in the second cavity is injected into the first cavity to realize the dilution of the solution in the first cavity;

[0018] The liquid suction tube continuously extracts the gradually diluted solution in the first cavity and continues to disinfect the pipeline of the dental chair. At the same time, the siphon tube continuously siphons the liquid in the second cavity and supplements it into the first cavity, so that the concentration of the solution in the first cavity continuously decreases, forming a gradient disinfection process;

[0019] After the liquid in the second cavity is completely extracted, the remaining low-concentration solution in the first cavity is aspirated by the liquid suction tube to flush the pipeline of the dental chair;

[0020] After the solution in the first cavity is exhausted, the disinfection and flushing of the pipeline of the dental chair are completed.

[0021] Further, control the flow rate of the solution aspirated by the liquid suction tube so that the flow rate during the gradient disinfection process is less than the flow rate during flushing.

[0022] Compared with the prior art, the advantages and positive effects of the present invention are:

[0023] In view of the problems that the dental chair pipeline is prone to corrosion or incomplete disinfection during disinfection, the first cavity and the second cavity are connected by a siphon tube, and the liquid in the second cavity can be injected into the first cavity by using the siphon principle, so as to gradually dilute the solution in the first cavity, achieve the purpose of providing a gradient concentration disinfectant solution for the dental chair pipeline. The initial high-concentration solution is used for pipeline disinfection and killing to ensure the disinfection effect. Subsequently, low-concentration solution is used for flushing to reduce the continuous corrosion of the pipeline caused by the residue of the high-concentration solution. At the same time, a protective environment is established by using the low-concentration solution to meet the requirements of disinfection work. During use, only the liquid suction tube needs to be connected to the external pipeline to be disinfected such as the dental chair pipeline, and the solution in the first cavity can be extracted through the liquid suction tube for disinfection. At the same time, the siphon tube will automatically dilute and supplement the solution, eliminating the need for manual frequent solution preparation and other operations, reducing the risk of exposure and pollution. The first cavity and the second cavity are arranged in the same container, with high portability and flexibility, improving the convenience and efficiency of disinfection work.

[0024] During disinfection and killing, the high-concentration disinfectant solution has stronger bactericidal ability. When inhaled at a low speed, the solution can fully contact the inner wall of the pipeline, penetrate into the complex structure and inaccessible parts of the pipeline, and has sufficient time and action intensity to kill various stubborn bacteria, viruses, fungi, spores and other microorganisms, minimizing the number of microorganisms to ensure the disinfection effect. After disinfection and killing, the low-concentration solution is quickly inhaled into the pipeline. The impact force of the fast-flowing low-concentration solution can be used to wash away the microbial remains, tissue fragments and the possibly remaining high-concentration disinfectant solution generated during the disinfection process, making the inside of the pipeline cleaner, reducing the residue of impurities, and providing a cleaner environment for subsequent use. In addition, the low-concentration disinfectant solution can form an antibacterial protective film on the inner wall of the pipeline, continuously inhibiting the growth and reproduction of microorganisms, maintaining the antibacterial state inside the pipeline for a certain period of time, and reducing the risk of recontamination. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings forming a part of this invention are used to provide a further understanding of the invention. The schematic embodiments and descriptions thereof of the invention are used to explain the invention and do not constitute an improper limitation of the invention.

[0026] Figure 1 It is a schematic structural diagram of a dental chair pipeline disinfectant supply device in one or more embodiments of the present invention.

[0027] Wherein, 1, the first cavity; 2, the second cavity; 3, the siphon tube; 4, the hole cover; 5, the sealing cover; 6, the handle; 7, the scale; 8, the liquid suction tube. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Embodiment 1

[0029] In a typical embodiment of the present invention, as Figure 1As shown, a dental chair pipeline disinfectant supply device is provided.

[0030] In the prior art, a single concentration of disinfectant is often used for disinfecting the dental chair pipeline, which cannot fully utilize the advantages of disinfectants with different concentrations during the disinfection process. Moreover, after disinfecting with a high-concentration disinfectant, if it remains in the dental chair pipeline, it will cause continuous corrosion to the pipeline and affect the service life of the pipeline. Based on this, this embodiment provides a dental chair pipeline disinfectant supply device. By setting two chambers and a siphon tube 3, it can achieve gradient disinfection from high concentration to low concentration. First, use the high-concentration disinfectant to strongly kill microorganisms, and then use the low-concentration disinfectant for flushing and establishing a protective environment, which better meets the complex requirements of dental chair pipeline disinfection; through the subsequent flushing with the low-concentration solution, the residue of the high-concentration solution can be effectively reduced, the corrosion risk to the pipeline can be lowered, and the service life of the dental chair pipeline can be extended.

[0031] As Figure 1 shown, a dental chair pipeline disinfectant supply device includes a container, a partition board, and a siphon tube 3. A chamber is formed inside the container, and the partition board and the siphon tube 3 are installed inside the chamber.

[0032] Specifically, the container serves as the main body of the entire device, and its interior is divided into a first chamber 1 and a second chamber 2 by the partition board. The two chambers are respectively used to store solutions or different liquids with different concentrations. In this embodiment, the "solution" refers to the disinfectant supplied for disinfection in the first chamber 1, and the "liquid" refers to the clear water or low-concentration solution supplied to the first chamber 1 for dilution in the second chamber 2. The type of the liquid is not restricted, as long as it can dilute the solution in the first chamber 1 to meet the disinfection and flushing requirements.

[0033] The first chamber 1 is the part directly connected to the external pipeline to be disinfected, and is mainly used to store the initial high-concentration solution, which serves as a disinfectant with good disinfection effect. The initial high-concentration solution is extracted by the liquid suction tube 8 as a disinfectant and delivered to the dental chair pipeline to play a disinfection role to deal with a large number of microorganisms that may exist in the dental chair pipeline and ensure the high efficiency of disinfection. At the same time, after disinfection, due to the replenishment of the liquid in the second chamber 2, the high-concentration solution in the first chamber 1 is also diluted into a low-concentration solution and delivered to the dental chair pipeline to play a flushing role, flushing the residual high-concentration solution in the dental chair pipeline and reducing the corrosion damage.

[0034] The hole cover 4 is installed on the first chamber 1, and the mounting holes on it are adapted to the liquid suction tube 8, ensuring the tightness and stability of the connection between the liquid suction tube 8 and the first chamber 1, preventing the leakage of the disinfectant, and at the same time providing a convenient and reliable installation position for the liquid suction tube 8.

[0035] The liquid suction pipe 8 connects the first cavity 1 with the dental chair pipeline to be disinfected outside. Through the liquid suction pipe 8, the solution in the first cavity 1 can be extracted and transported into the dental chair pipeline to complete the disinfection work. The liquid suction pipe 8 realizes the transmission of the disinfectant from the storage device to the object to be disinfected.

[0036] The second cavity 2 mainly stores the liquid for diluting the disinfectant in the first cavity 1, such as water or the same disinfectant with a low concentration. The second cavity 2 is connected to the first cavity 1 through a siphon tube 3. During the operation of the entire device, it provides diluent for the first cavity 1 to gradually reduce the solution concentration.

[0037] The siphon tube 3 connects the first cavity 1 and the second cavity 2. Using the siphon principle, when the liquid level of the disinfectant in the first cavity 1 drops to a certain extent due to being extracted, the siphon tube 3 starts to function. Driven by the pressure difference formed by the liquid level difference, the liquid in the second cavity 2 is sucked into the first cavity 1, thereby realizing the automatic dilution of the solution in the first cavity 1. And because the first cavity 1 continuously outputs the solution, it can ensure that there is always liquid in the siphon tube 3, and the siphon process can run continuously. The application of the siphon tube 3 enables the entire device to automatically and continuously adjust the concentration of the disinfectant without manual intervention, improving the convenience and automation of the disinfection work.

[0038] During the process of using the siphon tube 3 to supply the liquid in the second cavity 2 as diluent to the first cavity 1, the concentration of the solution in the first cavity 1 decreases in a gradient manner, matching the process of the liquid suction pipe 8 sucking the solution. By first using a high-concentration disinfectant for strong disinfection and then using a low-concentration disinfectant for subsequent cleaning and protection, it can kill the microorganisms in the dental chair pipeline more comprehensively and thoroughly, improve the disinfection quality, reduce the risks such as cross-infection caused by incomplete disinfection, and provide a safer treatment environment for patients. The flushing with the low-concentration solution effectively reduces the residual corrosion of the high-concentration solution on the pipeline, protects the material and structure of the dental chair pipeline, extends the service life of the pipeline, and reduces the cost generated by the hospital for replacing the pipeline.

[0039] It should be noted that the automatic dilution function of the device makes the disinfection process not require manual frequent preparation of the solution. The staff only needs to connect the liquid suction pipe 8 to the dental chair pipeline and start the disinfection program, which greatly saves labor and time costs and improves the efficiency of the disinfection work. At the same time, it reduces the manual operation links, reduces the possibility of operation errors, and makes the disinfection work more convenient and reliable. Reducing the operation of manually preparing the solution reduces the time and frequency of the staff being exposed to the disinfectant, and also reduces the possible pollution introduced during the preparation process, improving the safety and hygiene of the entire disinfection work.

[0040] Such as Figure 1As shown in the figure, the positions of the first cavity 1 and the second cavity 2 inside the container are configured. A partition located at the corner position is provided inside the container, dividing the container into the first cavity 1 and the second cavity 2. The vertical cross-section of the first cavity 1 is L-shaped, making full use of the internal space of the container and realizing the reasonable construction of two different functional cavities within a limited volume. Compared with the traditional simple partition method, it has higher space utilization efficiency.

[0041] The container is made of transparent material, and a handle 6 is installed on the container. Scales 7 are respectively provided on the side wall of the container corresponding to the distribution positions of the first cavity 1 and the second cavity 2. During actual use, through the handle 6 for position adjustment, and through the transparent material of the container and the scale 7 markings, the staff can clearly see the changes in the liquid in the first cavity 1 and the second cavity 2, so as to better master the progress of the disinfection work and replenish the liquid in a timely manner.

[0042] Specifically, the container is made of transparent material, and acrylic material can be used, enabling the operator to directly observe at any time the remaining amount of liquid, color change, etc. in the two cavities, which helps to promptly discover problems, such as whether the liquid needs to be replenished, whether the solution is abnormal, etc., ensuring the smooth progress of the disinfection work and timely adjustment of operations.

[0043] A handle 6 is installed on the container, which is convenient for the staff to carry and move the entire device. In actual use scenarios, the dental chair pipeline disinfectant supply device may need to be moved between different dental chairs or carried between the storage position and the use position. The design of the handle 6 greatly improves the portability of the device and reduces the labor intensity of the staff.

[0044] Scales 7 are respectively provided on the side wall of the container corresponding to the distribution positions of the first cavity 1 and the second cavity 2. The operator can accurately read the volume of the liquid in the cavity through the scale 7, so as to more precisely control the amount of added liquid and understand the remaining amount of the liquid. When it is necessary to accurately prepare the disinfectant concentration or estimate the liquid usage according to the disinfection task, the scale 7 markings provide an important reference basis, which helps to improve the scientificity and accuracy of the disinfection work.

[0045] The bottom of the second cavity 2 is above the bottom of the first cavity 1. The setting of the height difference ensures that when the disinfectant in the first cavity 1 is extracted and the liquid level drops, the siphon phenomenon can be successfully triggered, enabling the diluent in the second cavity 2 to reliably flow into the first cavity 1 and maintaining the stable progress of the gradient concentration disinfection process.

[0046] The top of the first cavity 1 is flush with the top of the second cavity 2. The liquid adding holes of the second cavity 2 and the first cavity 1 are both located at the top, and the hole cover 4 matches the liquid adding hole of the first cavity 1. Liquid adding holes are provided on the tops of the first cavity 1 and the second cavity 2, and the positions are flush, which is convenient for the staff to perform liquid adding operations. Before the device is used or when liquid needs to be supplemented, a solution can be added to the corresponding cavity as a high-concentration disinfectant or clean water can be added as a diluent, which improves work efficiency.

[0047] The hole cover 4 is tightly matched with the liquid filling hole of the first cavity 1, and the sealing cover 5 is matched with the liquid filling hole of the second cavity 2, which effectively prevents the leakage of disinfectant or diluent during the use of the device, and prevents foreign impurities from entering the cavity, ensuring the purity of the liquid and the disinfection effect. Good sealing is crucial for the disinfection of dental chair pipelines, which has high requirements for sanitary conditions, and can reduce the risk of disinfection failure caused by liquid leakage or contamination.

[0048] The siphon tube 3 adopts a U-shaped tube structure, and its two ends extend to the bottom of the first cavity 1 and the second cavity 2 respectively, ensuring that the liquid can flow fully and stably during the siphoning process. When the first cavity 1 needs dilution, the U-shaped siphon tube 3 can quickly siphon the liquid in the second cavity 2, and because the two ends are deep into the bottom, the liquid in the cavity can be used to the maximum extent, reducing residue and improving liquid utilization.

[0049] The opening at one end of the siphon tube 3 is spaced from the liquid inlet at the end of the pipette tube 8, which avoids interference with the siphon start of the siphon tube 3 when the pipette tube 8 extracts disinfectant, and ensures that during the initial high-concentration disinfectant extraction process in the first chamber 1, the siphon tube 3 will not start the siphon prematurely due to the suction force of the pipette tube 8, ensuring that the disinfection process is carried out in the predetermined order of high-concentration disinfection first and then gradient dilution, thereby improving the stability and reliability of the device.

[0050] like Figure 1 As shown, one end of the pipette 8 is inserted into the first cavity 1 and extends to the bottom, which can ensure that the disinfectant in the first cavity 1 is fully absorbed during the disinfection process, reduce the residual disinfectant, ensure that each disinfection operation can obtain a sufficient amount of disinfectant, and improve the consistency and reliability of the disinfection effect.

[0051] The synergistic effect of structures such as the partition plate, cavity layout, and siphon tube 3 makes the implementation of gradient concentration disinfection more stable and reliable. The precise spatial design and siphon structure ensure that the transition process from high concentration to low concentration proceeds as expected, further solving the problem of the lack of effective gradient concentration disinfection in the prior art and providing a solution concentration change that better meets the disinfection requirements of the dental chair pipeline. Through a more stable gradient concentration supply, the low-concentration solution can more timely and effectively flush away the residue of the high-concentration solution, further reducing the corrosion risk of the high-concentration solution to the dental chair pipeline and better protecting the service life of the pipeline. At the same time, the good sealing design reduces the potential corrosion hazard of disinfectant leakage to the surrounding environment and equipment.

[0052] Embodiment 2

[0053] In another typical embodiment of the present invention, as Figure 1 shown, a working method of a disinfectant supply device for a dental chair pipeline is given, and the construction is the same as that of the disinfectant supply device for the dental chair pipeline in Embodiment 1.

[0054] A working method of a disinfectant supply device for a dental chair pipeline includes:

[0055] Inject the disinfection solution into the first cavity 1, inject the liquid for dilution into the second cavity 2, ensure that the siphon tube 3 is filled with liquid, the initial liquid levels of the solution and the liquid are flush, install the hole cover 4 and the liquid suction tube 8, and connect the liquid suction tube 8 to the pipeline to be disinfected of the dental chair;

[0056] When starting disinfection, the liquid suction tube 8 extracts the high-concentration solution in the first cavity 1 to initially disinfect the pipeline;

[0057] As the solution in the first cavity 1 is continuously extracted, the liquid level in the first cavity 1 gradually drops. Under the action of the siphon tube 3, the liquid in the second cavity 2 is injected into the first cavity 1 to dilute the solution in the first cavity 1;

[0058] The liquid suction tube 8 continuously extracts the gradually diluted solution in the first cavity 1 to continue disinfecting the pipeline of the dental chair. At the same time, the siphon tube 3 continuously siphons the liquid in the second cavity 2 and supplements it into the first cavity 1, so that the solution concentration in the first cavity 1 continuously decreases, forming a gradient disinfection process;

[0059] After the liquid in the second cavity 2 is completely extracted, the remaining low-concentration solution in the first cavity 1 is sucked by the liquid suction tube 8 for flushing the pipeline of the dental chair;

[0060] After the solution in the first cavity 1 is completely drained, the disinfection and flushing of the pipeline of the dental chair are completed.

[0061] Among them, the flow rate of the solution sucked by the liquid suction tube 8 is controlled so that the flow rate during the gradient disinfection process is less than the flow rate during flushing.

[0062] Specifically, inject the disinfection solution into the first cavity 1 for high-intensity disinfection in the initial stage to ensure effective killing of a large number of microorganisms that may exist in the dental chair pipeline. Inject the liquid for dilution into the second cavity 2 to prepare for subsequent realization of the gradient change of the solution concentration.

[0063] The liquid suction pipe 8 extracts the high-concentration solution in the first cavity 1 to preliminarily disinfect the pipeline. Utilize the strong bactericidal ability of the high-concentration disinfectant solution. As the solution in the first cavity 1 is continuously extracted, the liquid level gradually drops, and the siphon tube 3 starts to function, causing the liquid in the second cavity 2 to be injected into the first cavity 1, realizing the dilution of the solution in the first cavity 1. Using the siphon principle, automatically and continuously adjust the concentration of the disinfectant solution in the first cavity 1 without manual intervention, reflecting the automation and convenience of the device design.

[0064] The liquid suction pipe 8 continuously extracts the gradually diluted solution in the first cavity 1 and continues to disinfect the pipeline of the dental chair. At the same time, the siphon tube 3 continuously siphons the liquid in the second cavity 2 to supplement the first cavity 1, causing the concentration of the solution in the first cavity 1 to continuously decrease, forming a gradient disinfection process. The step-by-step disinfection from high concentration to low concentration not only ensures the strong bactericidal effect in the early stage but also uses the low-concentration solution for flushing and establishing a protective environment in the later stage, better meeting the complex requirements of dental chair pipeline disinfection.

[0065] As Figure 1 shown, after the liquid in the second cavity 2 is completely extracted, the height difference between the first cavity 1 and the second cavity 2 is set so that there is still a low-concentration solution remaining in the first cavity 1. The low-concentration solution remaining in the first cavity 1 is sucked by the liquid suction pipe 8 for flushing the pipeline of the dental chair. The low-concentration solution can effectively flush away the residual high-concentration disinfectant solution and impurities such as microbial remains in the pipeline, reduce the corrosion of the pipeline caused by the residual high-concentration solution, and at the same time use the low-concentration solution to establish a certain antibacterial environment to protect the dental chair pipeline. When the solution in the first cavity 1 is exhausted, the disinfection and flushing of the pipeline of the dental chair are completed, and the entire disinfection process ends.

[0066] Control the flow rate of the liquid suction pipe 8 when sucking the solution so that the flow rate during the gradient disinfection process is less than that during flushing. During the gradient disinfection process, a lower flow rate helps the disinfectant solution to fully contact the dental chair pipeline. On the basis of ensuring no corrosion, it increases the residence time to ensure the disinfection effect and enables disinfectant solutions of different concentrations to exert their maximum effects. During the flushing stage, a higher flow rate can more effectively flush away the residual substances in the pipeline by using the impact force of the liquid, improve the flushing efficiency, and ensure the cleanliness of the dental chair pipeline.

[0067] It is possible that the solution used for disinfection and sterilization in this embodiment can be a chlorine-containing disinfectant solution, or other types of solutions can be used according to requirements. For example, chlorine dioxide solution, hydrogen peroxide solution, etc. Chlorine dioxide is a strong oxidant, which has good solubility and stability in water, strong bactericidal ability, and can quickly kill various bacteria, viruses, fungi, spores and other microorganisms. Its residual amount after disinfection is low and it is friendly to the environment. Chlorine dioxide destroys the cell structure and enzyme system of microorganisms through oxidation, making the microorganisms lose their activity. At an appropriate concentration, it can effectively disinfect and sterilize the microorganisms on the surface and inside of medical devices without causing obvious damage to the devices. Chlorine dioxide can be used for flushing and disinfection of a variety of medical devices, such as oral medical devices, blood dialysis equipment pipelines, and some surgical instruments made of metal and non-metal materials. The residual amount of chlorine dioxide after disinfection is low. After it plays the role of disinfection and sterilization, it will gradually decompose and will not form a large amount of residual substances on the surface of medical devices, and generally will not have an adverse impact on human health and the subsequent use of medical devices. Therefore, it is suitable for the scheme of first disinfecting with a high-concentration solution and then flushing with a low-concentration solution.

[0068] For ordinary medical devices, such as oral medical devices, general surgical instruments made of metal and non-metal materials, etc., a chlorine dioxide solution with a concentration of 200-500 mg / L can usually be used for immersion disinfection and sterilization, and the action time is 10-30 minutes, which can effectively kill bacteria, viruses and other microorganisms.

[0069] It should be noted that when adding liquid, a liquid without disinfectant components can be added to the first cavity 1 or the second cavity 2 first until the liquid levels in both reach the top bending position of the siphon tube 3 to form a siphon, and then continue to add liquid to make the liquid levels in the first cavity 1 and the second cavity 2 level and reach above the top bending position of the siphon tube 3. Then, a disinfectant component is added to the first cavity 1. After the disinfectant solute is fully dissolved in the liquid in the first cavity 1, it is mixed into the required solution so that the solution concentration can meet the disinfection and sterilization requirements.

[0070] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A dental chair pipeline disinfectant supply device, characterized in that: The invention comprises a container, the interior of which is divided into a first cavity and a second cavity. The first cavity is installed with a hole cover, the hole cover is provided with a mounting hole for matching with a pipette, the pipette is connected with the first cavity to extract the solution in the first cavity and supply it to an external pipeline to be disinfected, the first cavity and the second cavity are connected by a siphon, and the solution in the first cavity is gradually diluted by siphoning the liquid in the second cavity by the siphon into the first cavity.

2. The dental chair pipeline disinfectant supply device according to claim 1, characterized in that: A partition is provided inside the container, and the partition is located at an angle in the container, so that the partition combines with the inner wall of the container to form a second cavity, so that the vertical cross-section of the first cavity is L-shaped, and the bottom of the second cavity is located above the bottom of the first cavity, so that a height difference is formed between the bottom of the first cavity and the bottom of the second cavity.

3. The dental chair pipeline disinfectant supply device according to claim 1 or 2, characterized in that: The top of the first cavity is flush with the top of the second cavity, the liquid adding holes of the second cavity and the first cavity are both located at the top, and the hole cover matches the liquid adding hole of the first cavity.

4. The dental chair pipeline disinfectant supply device as claimed in claim 3, characterized in that: The liquid adding hole of the second chamber is equipped with a sealing cover.

5. The dental chair pipeline disinfectant supply device according to claim 1, characterized in that: The siphon tube is a U-shaped tube, one end of which extends to the bottom of the first cavity, and the other end of which passes through the partition and extends to the bottom of the second cavity.

6. The dental chair pipeline disinfectant supply device according to claim 5, characterized in that: One end of the liquid suction tube is inserted into the first cavity and extends to the bottom of the first cavity, so that the liquid inlet at the end of the liquid suction tube and the opening at one end of the siphon tube are spaced apart.

7. The dental chair pipeline disinfectant supply device according to claim 1, characterized in that: The container is made of transparent material and is provided with a handle.

8. The dental chair pipeline disinfectant supply device according to claim 1, characterized in that: The side wall of the container is respectively provided with scales corresponding to the distribution positions of the first cavity and the second cavity.

9. A method for operating a dental chair pipeline disinfectant supply device, using the dental chair pipeline disinfectant supply device as claimed in any one of claims 1 to 8, characterized in that: include: Inject the disinfection solution into the first cavity, inject the dilution liquid into the second cavity, ensure that the siphon is full of liquid, the initial liquid levels of the solution and the liquid are flush, install the hole cover and the pipette, and connect the pipette to the pipeline to be disinfected on the dental chair; When disinfection begins, the pipette draws a high-concentration solution from the first chamber to perform preliminary disinfection on the pipeline; As the solution in the first chamber is continuously extracted, the liquid level in the first chamber gradually drops, and under the action of the siphon, the liquid in the second chamber is injected into the first chamber to dilute the solution in the first chamber; The pipette continuously extracts the gradually diluted solution in the first cavity to continue to disinfect the dental chair pipeline. At the same time, the siphon tube continuously siphons the liquid in the second cavity to replenish it into the first cavity, so that the concentration of the solution in the first cavity is continuously reduced, forming a gradient disinfection process. After the liquid in the second cavity is completely extracted, the low-concentration solution remaining in the first cavity is sucked out by the pipette to flush the dental chair pipeline. After the solution in the first chamber is exhausted, the disinfection and flushing of the pipes of the dental chair are completed.

10. The working method of the dental chair pipeline disinfectant supply device according to claim 9, characterized in that: Control the flow rate when the pipette draws the solution so that the flow rate during the gradient disinfection process is smaller than the flow rate during flushing.

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