A composite detection device capable of detecting various contents of laryngopharyngeal reflux

By designing a composite detection device and an intelligent composite detection system, the accuracy and efficiency of the throat reflux detection method in the prior art are solved, and the simultaneous detection and intelligent cleaning of a variety of reflux contents are achieved, which improves the accuracy of diagnosis and the efficiency of equipment use.

CN114509566BActive Publication Date: 2025-03-28SECOND AFFILIATED HOSPITAL OF COLLEGE OF MEDICINEOF XIAN JIAOTONG UNIV
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Patent Information

Application Number
CN202210089246.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-01-25
Publication Date
2025-03-28
Estimated Expiration
2042-01-25

AI Technical Summary

Technical Problem

The existing throat reflux detection methods are subjectively depended on, lack specificity, and have poor accuracy. The traditional enzyme-linked immune technology takes a long time and has poor sensitivity. It is impossible to detect multiple throat reflux contents at the same time, resulting in inaccurate diagnosis.

Method used

A composite detection device is designed, including a composite detection device and an intelligent composite detection system, using composite test strips and intelligent control modules, which can simultaneously detect pH values, pepsin and bile acids, and intelligently adjust the cleaning strategy according to the detection results.

Benefits of technology

The simultaneous detection of a variety of throat reflux contents is achieved, which improves the accuracy and efficiency of diagnosis. Through intelligent cleaning strategies, the reliability of the detection results and the long-term use of the equipment are ensured.

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Abstract

The invention discloses a composite detection device capable of detecting a variety of laryngopharyngeal reflux contents, comprising a composite detection device and an intelligent composite detection system, wherein the composite detection device comprises a body, wherein the upper end of the body is snap-connected with a detection cover, the surface of the detection cover is provided with a display screen, the left side of the body is openably connected with a cover body, the upper end of the cover body is provided with a sample hole, the inside of the cover body is fixedly connected with a detection slot, one side of the detection slot is provided with a window, the inside of the body is provided with a composite test paper, the composite test paper is fixed in a shell and extends into the detection slot through the window, the composite test paper comprises a PH test paper, a pepsin antibody test paper and a bile acid antibody test paper arranged in sequence and a partition is provided between the two, the PH test paper is provided with acidic, alkaline and neutral detection areas, and the invention realizes the composite detection and automatic cleaning functions conveniently and efficiently.
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Description

Technical Field

[0001] The present invention is applied in the context of medical testing equipment, and is named as a composite detection device capable of detecting a variety of laryngopharyngeal reflux contents. Background Art

[0002] Laryngopharyngeal reflux disease refers to the reflux of gastric contents to the area above the upper esophageal sphincter, causing a series of symptoms and signs. The clinical manifestations include hoarseness or dysphonia, sore throat, foreign body sensation in the throat, continuous throat clearing, chronic long-term cough, dyspnea, laryngeal spasm and other symptoms.

[0003] Laryngopharyngeal reflux disease is the cause of some diseases in otolaryngology and head and neck surgery, and is closely related to laryngeal diseases such as chronic laryngitis, vocal cord polyps, and laryngeal contact granuloma. At present, the diagnosis of laryngopharyngeal reflux disease is generally determined by clinicians based on the patient's clinical symptoms and laryngoscopy results. The reflux symptom index scale and reflux sign scoring scale are used for auxiliary diagnosis. 24-hour laryngopharyngeal pH monitoring is the gold standard for diagnosis, and the pepsin detection method is a relatively cutting-edge diagnostic method.

[0004] However, the scale diagnosis is based on subjective experience, lacks specificity and has poor accuracy. 24-hour laryngopharyngeal pH monitoring is an invasive examination with high cost, which is not easily accepted by patients. The currently used pepsin kit detects pepsin in saliva to diagnose laryngopharyngeal reflux. Although it is a non-invasive examination, it is a traditional enzyme-linked immunosorbent assay technology, which is time-consuming and has poor sensitivity. In addition, the concentration of pepsin in the patient's saliva is greatly affected by the time of eating, body position, etc., and the results of a single test are not accurate enough. In addition, laryngopharyngeal reflux includes acid reflux, weak acid reflux, weak alkaline reflux and other reflux forms. In addition to pepsin, the reflux contents also have main components such as hydrochloric acid and bile acid. Therefore, a single laryngopharyngeal reflux content test cannot determine the true situation of the laryngopharyngeal reflux.

[0005] Specifically, according to the pH value of gastric juice, the contents of throat reflux can be divided into the following three categories: acidic reflux (pH < 4), the reflux contents are mainly composed of hydrochloric acid; weakly acidic reflux (pH = 4-7), the reflux contents include a variety of mixed components such as hydrochloric acid, pepsin and bile acid; weakly alkaline reflux (pH > 7), the reflux contents are mainly composed of pepsin and bile acid.

[0006] In addition, traditional enzyme test strips are generally single test units, and the detection of laryngopharyngeal reflux disease requires long-term interval detection due to the dependence of reflux time and body position, and the consumption of general test strips is relatively large. In addition, the detection module of general test strips is fixed on the bottom plate with colloid, and the thickness of the detection module is easily uneven when it is divided, which will affect the test results to varying degrees, thereby reducing the sensitivity and accuracy of the test.

[0007] Therefore, it is necessary to provide a composite detection device that can detect a variety of laryngeal reflux contents, which can achieve the effects of composite detection and automatic cleaning. Summary of the invention

[0008] The object of the present invention is to provide a composite detection device capable of detecting a variety of laryngopharyngeal reflux contents, so as to solve the problems raised in the above-mentioned background technology.

[0009] In order to solve the above technical problems, the present invention provides the following technical solutions: a composite detection device capable of detecting a variety of laryngeal reflux contents, comprising a composite detection device and an intelligent composite detection system, wherein the composite detection device comprises a main body, the upper end of the main body is snap-connected with a detection cover, the surface of the detection cover is provided with a display screen, the left side of the main body is openably connected with a cover body, the upper end of the cover body is provided with a sample hole, the inside of the cover body is fixedly connected with a detection slot, one side of the detection slot is provided with a window, the inside of the main body is provided with a composite test paper, the composite test paper is fixed in the shell and extends into the detection slot through the window, the composite test paper comprises a PH test paper, a pepsin antibody test paper and a bile acid antibody test paper arranged in sequence and a partition is provided between each of them, the PH test paper is provided with acidic, alkaline and neutral detection areas, the pepsin antibody test paper and the bile acid antibody test paper are both provided with a detection area and a quality control area, and a plurality of groups of cameras are provided at the lower end of the detection cover.

[0010] In one embodiment, a water trough is provided on the left side of the cover body, the water trough is connected to the detection trough pipeline and a water pump is provided in the pipeline, a lifting rod is fixedly connected to the inside of the detection trough, the lifting rod is a telescopic structure, the upper end of the lifting rod is fixedly connected to a pressure rod, the lower end of the pressure rod is provided with a pressure sensor, a locking groove is provided on the lower side of the window, a cutter is movably connected to the upper end of the window, the cutter can move up and down and cooperate with the locking groove, a liquid outlet pipe is provided at the lower end of the detection trough and a liquid pump is provided on the pipeline.

[0011] In one embodiment, the intelligent composite detection system includes an intelligent control module, an intelligent detection module and a process control module, wherein the intelligent control module, the intelligent detection module and the process control module are connected to each other by radio, the intelligent control module includes a data recording module, a data operation module, a logic judgment module and a time control module, the intelligent detection module includes a color recognition module and a pressure sensing module, and the process control module includes a display control module, a cleaning control module, a lifting module, a cutting module and a drainage module;

[0012] The color recognition module is electrically connected to the camera, the pressure sensing module is electrically connected to the pressure sensor, the display control module is electrically connected to the display screen (18), the cleaning control module is electrically connected to the water pump, the lifting module is electrically connected to the lifting rod (8), the cutting module is electrically connected to the cutter (13), and the drainage module is electrically connected to the liquid pump (11).

[0013] In one embodiment, the operation of the intelligent composite detection system comprises the following steps:

[0014] S1. Place the composite test paper (6) inside the body (1), then start the intelligent composite detection system, inject the throat reflux content into the detection tank (7) through the sample hole (4), and control the pressure rod (9) to drive the composite test paper (6) downward to immerse in the solution according to the amount of injection;

[0015] S2, after a period of time, using the color recognition module to collect the color changes of each area of ​​the composite test paper (6), determine various index parameters, and display them on the display screen (18);

[0016] S3, using a pressure sensor to collect information on the viscosity of the contents of the throat reflux, combining the detection results to preliminarily determine the human body condition, and using a logic judgment module to determine a strategy for cleaning the detection tank (7);

[0017] S4, using a cutting module to remove the contaminated composite test paper (6), while closing the window (21), and using a determined cleaning strategy to clean, while removing the composite test paper (6);

[0018] S5. Repeat S1-S4 and continue to detect the contents of laryngopharyngeal reflux.

[0019] Compared with the prior art, the beneficial effects achieved by the present invention are: by providing a composite detection device and an intelligent composite detection system, the present invention can conveniently sample multiple parameters of the laryngopharyngeal reflux contents at the same time, facilitate subsequent diagnosis, and during detection, use the immersion method to ensure that the immersion state is the same each time. At the same time, after the detection is completed, the cleaning strategy can be intelligently adjusted according to the viscosity and pathological state of the laryngopharyngeal reflux contents. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.

[0021] In the attached picture:

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2It is a schematic diagram of the internal explosion of the overall structure of the present invention;

[0024] Figure 3 It is a partial schematic diagram of the detection tank of the present invention;

[0025] Figure 4 It is a schematic diagram of the composite test paper arrangement of the present invention;

[0026] Figure 5 It is a schematic diagram of the relationship between the modules of the system of the present invention;

[0027] In the figure: 1. body; 2. cover; 3. detection cover; 4. sample hole; 5. water tank; 6. composite test paper; 7. detection tank; 8. lifting rod; 9. pressure rod; 10. liquid outlet pipe; 11. liquid pump; 12. engaging groove; 13. cutting knife; 14. pH test paper; 15. pepsin antibody test paper; 16. bile acid antibody test paper; 17. partition; 18. display screen; 19. detection area; 20. quality control area; 21. window. DETAILED DESCRIPTION

[0028] The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the various specific processes and material examples provided by the present application, but those of ordinary skill in the art can appreciate the application of other processes and / or the use of other materials.

[0029] See also Figure 1-5The present invention provides a technical solution: a composite detection device capable of detecting a variety of laryngeal reflux contents, comprising a composite detection device and an intelligent composite detection system, characterized in that: the composite detection device comprises a main body 1, a detection cover 3 is snap-connected at the upper end of the main body 1, a display screen 18 is arranged on the surface of the detection cover 3, a cover body 2 is opened and closed on the left side of the main body 1, a sample hole 4 is arranged at the upper end of the cover body 2, a detection slot 7 is fixedly connected inside the cover body 2, a window 21 is arranged on one side of the detection slot 7, a composite test paper 6 is arranged inside the main body 1, the composite test paper 6 is fixed in the shell and extends into the detection slot 7 through the window 21, and the composite test paper 6 comprises a PH test paper 1 arranged in sequence 4. Pepsin antibody test paper 15 and bile acid antibody test paper 16 are provided with partitions 17 between each other, the PH test paper 14 is provided with acidic, alkaline and neutral detection areas, the pepsin antibody test paper 15 and the bile acid antibody test paper 16 are provided with detection areas 19 and quality control areas 20, a plurality of cameras are provided at the lower end of the detection cover 3, a water tank 5 is provided on the left side of the cover body 2, the water tank 5 is connected to the detection tank 7 by a pipeline and a water pump is provided in the pipeline, a lifting rod 8 is fixedly connected to the inside of the detection tank 7, the lifting rod 8 is a telescopic structure, the upper end of the lifting rod 8 is fixedly connected to a pressure rod 9, the lower end of the pressure rod 9 is provided with a pressure sensor, a snap-fit ​​groove 12 is provided on the lower side of the window 21, and the window 2 1 is movably connected with a cutter 13 at the upper end, which can move up and down and cooperate with the engaging groove 12. A liquid outlet pipe 10 is provided at the lower end of the detection groove 7 and a liquid pump 11 is provided on the pipeline. When the pharyngeal reflux contents need to be detected, the composite test paper 6 is placed in the body 1, and the left end is extended into the interior of the detection groove 7 through the window 21, and is flush with the left side of the interior of the detection groove 7, and then the pharyngeal reflux contents are injected through the sample hole 4. After the injection is completed, according to the amount of the injected pharyngeal reflux contents, the lifting rod 8 is controlled to drive the pressing rod 9 to move downward, and drive the composite test paper 6 to be immersed in the pharyngeal reflux contents. After waiting for a period of time, the PH test paper 14 will be adjusted according to the pharyngeal reflux contents. The acidity and alkalinity of the contents are displayed in different colors. At the same time, according to the antigen-antibody binding, the pepsin antigen (75ng / mL is the pathological pepsin concentration threshold) and bile acid antigen (18umol / L is the pathological bile acid concentration threshold) in the laryngopharyngeal reflux contents will bind to the corresponding antibodies. Because the composite test paper 6 is provided with a detection area 19 and a quality control area 20, and pigments are provided in the corresponding areas, the corresponding colors will be displayed after the antigen-antibody binding, and the colors will be collected and presented on the display screen 18, so that multiple indicators of the laryngopharyngeal reflux contents can be collected at the same time, and whether they are positive can be judged by color, which is convenient for doctors to diagnose;

[0030] During the detection, the viscosity of the laryngopharyngeal reflux contents is collected and detected by the pressure sensor, and after the detection is completed, the composite test paper 6 is taken out, and the cleaning strategy is determined and cleaned according to the viscosity of the laryngopharyngeal reflux contents and the pathological state, and the contaminated composite test paper 6 is cut off by the cutter 13 before cleaning to prevent it from contaminating the composite detection device when it is taken out;

[0031] The intelligent composite detection system includes an intelligent control module, an intelligent detection module and a process control module. The intelligent control module, the intelligent detection module and the process control module are connected to each other via radio. The intelligent control module includes a data recording module, a data calculation module, a logic judgment module and a time control module. The intelligent detection module includes a color recognition module and a pressure sensing module. The process control module includes a display control module, a cleaning control module, a lifting module, a cutting module and a drainage module.

[0032] The color recognition module is electrically connected to the camera, the pressure sensing module is electrically connected to the pressure sensor, the display control module is electrically connected to the display screen 18, the cleaning control module is electrically connected to the water pump, the lifting module is electrically connected to the lifting rod 8, the cutting module is electrically connected to the cutter 13, and the drainage module is electrically connected to the liquid pump 11;

[0033] The data recording module is used to record various data collected in real time, including the preset value of the intelligent composite detection system, the data operation module is used to calculate the recorded data, the logic judgment module is used to analyze and judge the calculation results, and determine the detection and cleaning strategies, the time control module is used to collect the detection and cleaning time, the color recognition module is used to collect the color change information of each area of ​​the composite test paper 6, the pressure sensing module is used to collect the viscosity information of the throat reflux content, the display control module is used to display the detection results, the cleaning control module is used to clean the detection tank 7, the lifting module is used to control the pressure rod 9 to move up and down, so as to facilitate the movement of the tail end of the composite test paper 6, the cutting module is used to remove the contaminated composite test paper 6 at the tail end to prevent it from being contaminated when it is taken out, and the drainage module is used to discharge the water and throat reflux content in the detection tank 7;

[0034] The operation of the intelligent composite detection system includes the following steps:

[0035] S1, place the composite test paper 6 inside the body 1, then start the intelligent composite detection system, inject the throat reflux content into the detection tank 7 through the sample hole 4, and control the pressure rod 9 to drive the composite test paper 6 downward to immerse in the solution according to the amount of injection;

[0036] S2, after a period of time, using the color recognition module to collect the color changes of each area of ​​the composite test paper 6, determine various index parameters, and display them on the display screen 18;

[0037] S3, using the pressure sensor to collect information on the viscosity of the throat reflux contents, combining the test results to preliminarily determine the human body condition, and using the logic judgment module to determine the strategy for cleaning the detection tank 7;

[0038] S4, using the cutting module to remove the contaminated composite test paper 6, while closing the window 21, and using the determined cleaning strategy to clean, while removing the composite test paper 6;

[0039] S5, repeat S1-S4, and continue to test the contents of laryngopharyngeal reflux;

[0040] The method for determining the immersion position of the composite test paper 6 in S1 is as follows:

[0041] Because the composite test paper 6 is a multi-point test with a wide width, and the sampling of the throat reflux content is small and each sampling is different, the immersion method is adopted for testing;

[0042] The size of the composite test paper 6 immersed each time is set to L, and the immersed position is the position where the pressure rod 9 drives the composite test paper 6 to stop, which is set to X, and its value is determined by the following formula:

[0043]

[0044] Wherein V is the volume of the injected laryngopharyngeal reflux contents, A and B are the length and width of the inside of the detection slot 7, respectively, and W is the distance between the lower end of the window 21 and the inner bottom of the detection slot 7;

[0045] By determining the immersion position of the composite test paper 6, the size of each immersion is ensured to be the same, thereby ensuring the accuracy and timeliness of the detection;

[0046] The viscosity of the contents of the laryngopharyngeal reflux in S3 is determined as follows:

[0047] When the pressure rod 9 drives the composite test paper 6 to move downward in the pharyngeal reflux contents, the pressure sensor collects the pressure it is subjected to in real time until the movement stops;

[0048] Set the average pressure value collected by the pressure sensor to F, and define the maximum pressure that the pressure sensor can sense to F max ,but:

[0049] when When , it indicates that the viscosity of the contents of laryngopharyngeal reflux is low;

[0050] when When , it indicates that the viscosity of the contents of laryngopharyngeal reflux is high;

[0051] By collecting the viscosity information of the throat reflux contents, a basis is provided for determining the next cleaning plan;

[0052] The preliminary classification of human conditions in S3 is as follows:

[0053] Generally speaking, when a person has a disease, the test result of the pharyngeal reflux contents is positive. If the number of positive test results is set to N, then:

[0054] When N>0, it means that the human body has a disease;

[0055] When N = 0, it means that the human body has no pathological changes;

[0056] Through the preliminary judgment and classification of human body lesions, a basis is provided for further judgment, and also a basis is provided for determining the next cleaning plan;

[0057] The cleaning strategy in S3 is determined as follows:

[0058] Because the viscous throat reflux contents are difficult to clean, and if the human body is initially determined to be in a pathological state, the throat reflux contents are also more likely to contaminate the detection tank 7, affecting subsequent detection;

[0059] There are several strategies for cleaning the contents of reflux:

[0060] S31, when N=0 and the viscosity is low, a low-liquid-level flushing strategy is performed;

[0061] S32, when N=0 and the viscosity is high, a high liquid level flushing strategy is performed;

[0062] S33, when N>0 and the viscosity is low, a low-level stirring and flushing strategy is implemented;

[0063] S34, when N>0 and the viscosity is high, a high-liquid-level stirring and flushing strategy is implemented;

[0064] Determine the contents of the throat reflux according to different situations, and ensure that the detection tank 7 is cleaned as much as possible while saving the cleaning fluid;

[0065] The specific method of flushing strategy in S31-S34 is as follows:

[0066] The disinfectant in the water tank 5 is injected into the detection tank 7 by a water pump. When a certain liquid level is reached, the lifting rod 8 is used to drive the pressure rod 9 to move up and down repeatedly to stir the disinfectant. When the pressure sensor reading is constant, the disinfectant is discharged by the liquid pump 11, thereby achieving the purpose of cleaning and disinfection. At the same time, when the pressure sensor reading is greater than the specified value, it is necessary to repeat the injection and cleaning;

[0067] The specified value is the force value of the pressure sensor when the detection tank 7 contains pure disinfectant;

[0068] The method for determining the high and low liquid levels of S31-S34 is as follows:

[0069] Set the high and low liquid levels of cleaning to H respectively 高 and H 低 ,but:

[0070]

[0071] Different liquid levels are determined according to different states of the contents of the pharyngeal reflux to ensure that the detection tank 7 is cleaned.

[0072] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, the internal connection of two elements, or the interaction relationship between two elements. For ordinary technicians in this field, the above terms in this application can be understood according to specific circumstances.

[0073] The above is a detailed introduction to a cleaning device provided in an embodiment of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of ​​the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solution to deviate from the scope of the technical solution of the embodiments of the present application.

Claims

1. A composite detection device capable of detecting a variety of laryngopharyngeal reflux contents, comprising an intelligent composite detection system, characterized in that: The composite detection device comprises a body (1), the upper end of the body (1) is snap-connected with a detection cover (3), the surface of the detection cover (3) is provided with a display screen (18), the left side of the body (1) is openably connected with a cover body (2), the upper end of the cover body (2) is provided with a sample hole (4), the inside of the cover body (2) is fixedly connected with a detection slot (7), one side of the detection slot (7) is provided with a window (21), the inside of the body (1) is provided with a composite test paper (6), and the composite test paper (6) is fixedly connected to the sample hole (4) of the cover body (2). The composite test paper (6) is arranged in the housing and extends into the detection tank (7) through the window (21). The composite test paper (6) includes a pH test paper (14), a pepsin antibody test paper (15) and a bile acid antibody test paper (16) arranged in sequence and a partition (17) is provided between each of the two. The pH test paper (14) is provided with acidic, alkaline and neutral detection areas. The pepsin antibody test paper (15) and the bile acid antibody test paper (16) are both provided with a detection area (19) and a quality control area (20). The lower end of the detection cover (3) is provided with a plurality of camera groups. A water tank (5) is provided on the left side of the cover body (2), the water tank (5) is connected to the detection tank (7) by a pipeline and a water pump is provided in the pipeline, a lifting rod (8) is fixedly connected to the inside of the detection tank (7), the lifting rod (8) is a telescopic structure, the upper end of the lifting rod (8) is fixedly connected to a pressure rod (9), the lower end of the pressure rod (9) is provided with a pressure sensor, a clamping groove (12) is provided on the lower side of the window (21), a cutter (13) is movably connected to the upper end of the window (21), the cutter (13) can move up and down and cooperate with the clamping groove (12), a liquid outlet pipe (10) is provided at the lower end of the detection tank (7) and a liquid pump (11) is provided on the pipeline; The intelligent composite detection system includes an intelligent control module, an intelligent detection module and a process control module, wherein the intelligent control module, the intelligent detection module and the process control module are connected to each other by radio, the intelligent control module includes a data recording module, a data operation module, a logic judgment module and a time control module, the intelligent detection module includes a color recognition module and a pressure sensing module, and the process control module includes a display control module, a cleaning control module, a lifting module, a cutting module and a drainage module; The color recognition module is electrically connected to the camera, the pressure sensing module is electrically connected to the pressure sensor, the display control module is electrically connected to the display screen (18), the cleaning control module is electrically connected to the water pump, the lifting module is electrically connected to the lifting rod (8), the cutting module is electrically connected to the cutter (13), and the drainage module is electrically connected to the liquid pump (11).

2. A composite detection device capable of detecting a variety of laryngopharyngeal reflux contents according to claim 1, characterized in that: The operation of the intelligent composite detection system comprises the following steps: S1, placing the composite test paper (6) inside the body (1), then starting the intelligent composite detection system, injecting the pharyngeal reflux contents into the detection slot (7) through the sample hole (4), and controlling the pressure rod (9) to drive the composite test paper (6) downward to be immersed in the solution according to the amount of injection; S2, after a period of time, using the color recognition module to collect the color changes of each area of ​​the composite test paper (6), determine various index parameters, and display them on the display screen (18); S3, using a pressure sensor to collect information on the viscosity of the contents of the throat reflux, combining the detection results to preliminarily determine the human body condition, and using a logic judgment module to determine a strategy for cleaning the detection tank (7); S4, using a cutting module to remove the contaminated composite test paper (6), while closing the window (21), and using a determined cleaning strategy to clean the composite test paper (6), while removing the composite test paper (6); S5. Repeat S1-S4 and continue to detect the contents of laryngopharyngeal reflux.

3. A composite detection device capable of detecting a variety of laryngopharyngeal reflux contents according to claim 2, characterized in that: The method for determining the immersion position of the composite test paper (6) in S1 is as follows: Set the size of the composite test paper (6) immersed each time to The immersed position is the position where the pressure rod (9) drives the composite test paper (6) to stop, which is set to , whose value is determined by the following formula: ; in is the volume of laryngopharyngeal reflux contents injected, and are the length and width of the interior of the detection slot (7), respectively. is the distance between the lower end of the window (21) and the inner bottom of the detection groove (7).

4. A composite detection device capable of detecting a variety of laryngopharyngeal reflux contents according to claim 3, characterized in that: The method for determining the viscosity of the laryngopharyngeal reflux contents in S3 is as follows: Set the average pressure value collected by the pressure sensor to , and define the maximum pressure sensed by the pressure sensor as ,but: when When , it indicates that the viscosity of the contents of laryngopharyngeal reflux is low; when When the throat reflux content is high, it indicates that the viscosity of the throat reflux content is high.

5. A composite detection device capable of detecting a variety of laryngopharyngeal reflux contents according to claim 4, characterized in that: The preliminary classification of human body conditions in S3 is as follows: Set the number of positive test results to ,but: when Diseases occur in the human body; when , indicating that there is no disease in the human body.

6. A composite detection device capable of detecting a variety of laryngopharyngeal reflux contents according to claim 5, characterized in that: The method for determining the cleaning strategy in S3 is as follows: There are several strategies for cleaning the contents of reflux: S31, when And the viscosity is low, so a low-level flushing strategy is implemented; S32, when And the viscosity is high, so a high-level flushing strategy is implemented; S33, when And the viscosity is low, so a low-level stirring and flushing strategy is implemented; S34, when And the viscosity is high, so a high-liquid-level stirring and flushing strategy is implemented; The specific method of the flushing strategy in S31-S34 is as follows: A water pump is used to inject the disinfectant in the water tank (5) into the detection tank (7). When a certain liquid level is reached, a lifting rod (8) is used to drive a pressure rod (9) to repeatedly move up and down to stir the disinfectant. When the pressure sensor reading is constant, a liquid pump (11) is used to discharge the disinfectant, thereby achieving the purpose of cleaning and disinfection. At the same time, when the pressure sensor reading is greater than a specified value, repeated injection and cleaning are required; The specified value is the force value of the pressure sensor when the detection tank (7) contains pure disinfectant; The method for determining the high and low liquid levels of S31-S34 is as follows: Set the high and low liquid levels of cleaning to and ,but: ; Different liquid levels are determined according to the different states of the contents of the pharyngeal reflux to ensure that the detection tank (7) is clean.

Citation Information

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