Traditional Chinese medicine four-diagnosis instrument

Abstract

The utility model discloses a traditional Chinese medicine four-diagnosis instrument which comprises a mainframe box and a pulse diagnosis part arranged on the mainframe box, the pulse diagnosis part comprises a detection hole formed in a shell of the mainframe box, a soft rubber sleeve is further arranged in the detection hole in a sleeved mode, the detection hole is a stepped hole, the soft rubber sleeve is arranged on a small-aperture part of the stepped hole, and a nozzle hole is formed in the inner wall of a large-aperture part of the stepped hole. A nozzle facing the soft rubber sleeve is arranged in the nozzle hole; a gas tank and a liquid tank are further arranged in the mainframe box, disinfectant is arranged in the liquid tank, the gas outlet end of the gas tank is communicated with the gas inlet end of the liquid tank through a gas pipe, a one-way valve, a pressure reducing valve and an electric ball valve are arranged on the gas pipe in the gas flowing direction, the liquid outlet end of the liquid tank is communicated with the spray head through a liquid pipe, and an electromagnetic valve is arranged on the liquid pipe; an automatic flushing device is arranged outside the front face of the main machine box and is in communication connection with the electric ball valve and the electromagnetic valve. According to the utility model, disinfectant is atomized and sprayed out by using gas pressure through the gas-liquid linkage system, so that automatic cleaning of a probe contact area is realized.

Description

Technical Field

[0001] This utility model relates to the field of traditional Chinese medicine testing equipment technology, specifically to a traditional Chinese medicine four diagnostic instruments. Background Technology

[0002] Currently, the four diagnostic methods of Traditional Chinese Medicine (TCM) – observation, auscultation, inquiry, and palpation – are the primary means and basis for diagnosing and monitoring physical ailments. However, because doctors primarily perform these methods in large hospital specialist outpatient clinics, comprehensive monitoring of people's health status cannot be achieved at home or in community hospitals, causing significant inconvenience for health management. In recent years, a TCM diagnostic device has emerged that integrates these four methods. Its design is based on TCM diagnostic principles, using modern technology to simulate and assist in the traditional TCM diagnostic process. A patent with authorization announcement number CN221769953U discloses a self-service TCM four-diagnosis instrument, including a vertical main unit and a motherboard inside the main unit. A display unit is located at the top of the main unit, and above the display unit is a camera unit for collecting information about the human face and tongue. The main unit has a protruding stepped section, and within the stepped section is a pulse diagnosis unit for collecting information about the blood and qi in the fingers. The pulse diagnosis unit includes a probe inside the main unit and a detection hole in the main unit housing. A soft rubber sleeve is fitted inside the detection hole, allowing the finger to contact the probe through the soft rubber sleeve. The probe collects the blood and qi signals from the finger, and the corresponding diagnostic results are obtained through data feature comparison, thus realizing the pulse diagnosis function. However, when this device is used in community hospitals, the soft rubber sleeve will come into contact with different users, easily causing cross-infection of bacteria and viruses. Utility Model Content

[0003] The purpose of this invention is to provide a traditional Chinese medicine diagnostic instrument that, by setting an automatic cleaning device on the existing traditional Chinese medicine diagnostic instrument, can clean and disinfect the soft rubber cover after each use, thus avoiding cross-infection of bacteria and viruses.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a traditional Chinese medicine diagnostic instrument, including a main unit, and a display unit, a camera unit, a microphone, a sound-emitting unit, and a pulse diagnosis unit disposed on the main unit. The pulse diagnosis unit includes a probe disposed inside the main unit and a detection hole disposed on the housing of the main unit. A soft rubber sleeve is also fitted inside the detection hole. The detection hole is a stepped hole. The soft rubber sleeve is disposed in the small diameter part of the stepped hole. A nozzle hole is opened on the inner wall of the large diameter part of the stepped hole. A nozzle facing the soft rubber sleeve is disposed inside the nozzle hole.

[0005] The main unit is also equipped with a gas tank and a liquid tank. The liquid tank contains disinfectant. The gas outlet of the gas tank is connected to the gas inlet of the liquid tank through a gas pipe. A one-way valve, a pressure reducing valve, and an electric ball valve are sequentially installed on the gas pipe along the gas flow direction. The liquid outlet of the liquid tank is connected to the nozzle through a liquid pipe. A solenoid valve is installed on the liquid pipe.

[0006] An automatic flushing device is installed on the front exterior of the main unit, and the automatic flushing device is communicatively connected to the electric ball valve and the solenoid valve respectively.

[0007] Preferably, a filter is also provided on the liquid pipe, and the filter is located upstream of the solenoid valve.

[0008] Preferably, the liquid tank is equipped with a ball valve for adding disinfectant into the liquid tank.

[0009] Preferably, a liquid level sensor is installed in the liquid tank, and an alarm is also installed in the main unit. The alarm is communicatively connected to the liquid level sensor to trigger an alarm when the liquid level in the liquid tank is lower than a threshold.

[0010] Preferably, the liquid tank is also equipped with a safety valve.

[0011] Preferably, the microphone is positioned below the display unit;

[0012] The microphone is used to collect human voices;

[0013] The sound-emitting part is located on the side of the display part;

[0014] The sound-producing part is used to play sound.

[0015] Preferably, the camera unit includes a camera disposed inside the main unit chassis and a camera hole disposed on the outer shell of the main unit chassis;

[0016] The camera unit is used for optical imaging to collect data on the patient's tongue and facial color.

[0017] Preferably, the bottom of the main unit is provided with casters to facilitate multi-directional movement.

[0018] This utility model's TCM four diagnostic instrument has the following advantages over existing technologies:

[0019] 1. This utility model of a TCM diagnostic instrument includes a gas tank inside the main unit that supplies compressed gas to a liquid tank via a gas pipe. One-way valves installed sequentially on the gas pipe prevent liquid backflow, a pressure reducing valve stabilizes the gas pressure, and an electric ball valve controls the gas flow. The disinfectant stored in the liquid tank is delivered to the nozzle via a liquid pipe, and a solenoid valve on the liquid pipe regulates the liquid flow rate. This gas-liquid linkage system utilizes gas pressure to atomize and spray the disinfectant, achieving automatic cleaning of the probe contact area.

[0020] 2. The TCM four-diagnosis instrument of this utility model has an externally mounted automatic flushing device on the front of the main unit that establishes a communication connection with an electric ball valve and a solenoid valve. When the device detects a user approaching and staying for a period of time, it automatically executes the spraying action. That is, the automatic flushing device sends an electrical signal to the valves, simultaneously opening the gas and liquid passages, and controlling the spraying time and dosage of disinfectant through a preset program. This design realizes a non-contact cleaning process and reduces manual intervention. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the structure of the traditional Chinese medicine four diagnostic instruments provided in this embodiment of the utility model;

[0023] Figure 2 A partially enlarged structural diagram of point A of the traditional Chinese medicine four diagnostic instruments provided in this embodiment of the utility model;

[0024] Figure 3 A schematic diagram of the internal structure of the gas tank, liquid tank, and other equipment of the TCM four diagnostic instruments provided in this embodiment of the utility model;

[0025] Figure 4 A schematic diagram showing the connection of the gas tank, liquid tank, and other equipment of the traditional Chinese medicine four diagnostic instruments provided in this embodiment of the utility model;

[0026] Among them, 1-main unit, 2-display unit, 3-camera unit, 4-microphone, 5-sound unit, 6-pulse diagnosis unit, 7-soft rubber sleeve, 8-nozzle, 9-gas tank, 10-liquid tank, 11-one-way valve, 12-pressure reducing valve, 13-electric ball valve, 14-solenoid valve, 15-filter, 16-ball valve, 17-automatic flusher, 18-liquid level sensor, 19-alarm, 20-safety valve. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the term “comprising” as used in this application’s specification means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is “connected” to another element, it can be directly connected to the other element, or there may be intermediate elements. Furthermore, the term “connected” as used herein can include wireless connections. The term “and / or” as used herein includes all or any units and all combinations of one or more associated listed items.

[0029] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0030] It should be understood that although the terms first, second, etc., may be used in this disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another.

[0031] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] This utility model provides a traditional Chinese medicine four diagnostic instrument, such as Figures 1-4 As shown, it includes a main unit 1, and a display unit 2, a camera unit 3, a microphone 4, a sound-emitting unit 5, and a pulse diagnosis unit 6 disposed on the main unit 1. The pulse diagnosis unit 6 includes a probe disposed inside the main unit 1 and a detection hole disposed on the housing of the main unit 1. A soft rubber sleeve 7 is also fitted inside the detection hole. The detection hole is a stepped hole, which includes a small diameter part and a large diameter part. The soft rubber sleeve 7 is disposed in the small diameter part of the stepped hole. A nozzle hole is opened on the inner wall of the large diameter part of the stepped hole. A nozzle 8 is disposed inside the nozzle hole and faces the soft rubber sleeve 7.

[0033] The main unit 1 is also equipped with a gas tank 9 and a liquid tank 10. The liquid tank 10 is filled with disinfectant. The gas outlet of the gas tank 9 is connected to the gas inlet of the liquid tank 10 through a gas pipe. A one-way valve 11, a pressure reducing valve 12, and an electric ball valve 13 are sequentially installed on the gas pipe along the gas flow direction. The liquid outlet of the liquid tank 10 is connected to the nozzle 8 through a liquid pipe. A solenoid valve 14 is installed on the liquid pipe.

[0034] An automatic flushing device 17 is installed on the front exterior of the main unit 1. The automatic flushing device 17 is communicatively connected to the electric ball valve 13 and the solenoid valve 14, respectively.

[0035] Specifically, disinfectants can be commercially available medical-grade sodium hypochlorite solution (effective chlorine concentration 0.1%-0.5%), 75% ethanol solution, or 3% hydrogen peroxide solution, or pre-packaged benzalkonium chloride disinfectant. These liquids all have broad-spectrum bactericidal properties and meet the standards for disinfection of medical device surfaces.

[0036] The check valve 11 can be a spring-loaded stainless steel check valve 11 (such as the SMC VUD series) or a medical-grade polypropylene diaphragm check valve (such as the Colder Products MMP series). The recommended working pressure range is 0.2-0.8MPa, and the interface size is compatible with 6mm or 8mm air tubing.

[0037] The pressure reducing valve 12 can be a precision gas pressure reducing valve 12 with a pressure gauge (such as the Festo LFR series), with an input pressure range of 0.3-1.0MPa and an adjustable output pressure range of 0.1-0.5MPa. The interface is equipped with G1 / 8 or G1 / 4 threads and is compatible with the standard gas cylinder 9 interface.

[0038] The electric ball valve 13 is a two-position two-way ball valve 16 driven by 24V DC (such as the Bürkert 3320 series). The valve body is made of 316 stainless steel or PTFE seal, the nominal diameter is 6mm or 8mm, the response time is less than 500ms, and the protection level is IP65 or above.

[0039] For solenoid valve 14, it is recommended to use a normally closed miniature solenoid valve (such as the SMC VDW series), with a drive voltage of 24V DC, a flow coefficient Cv value of 0.3-0.6, and the valve body material should be polytetrafluoroethylene or fluororubber seal. The interface specification is compatible with 4mm or 6mm liquid pipes.

[0040] The automatic flusher 17 can use an industrial-grade timed flush controller (such as the CKD AFC series), which integrates a digital display and operation buttons, supports timed settings from 0 to 999 seconds, and outputs a passive contact or 24V DC pulse signal. The enclosure protection level reaches IP54 standard.

[0041] In the above embodiment, the main unit 1 of the TCM four-diagnosis instrument integrates a display unit 2, a camera unit 3, a microphone 4, a sound-emitting unit 5, and a pulse diagnosis unit 6. The display unit 2 is used to output the interactive interface and diagnostic information. The camera unit 3 collects the patient's tongue image and facial color data through optical imaging. The microphone 4 is used to record the patient's voice information. The sound-emitting unit 5 can play operation prompts. The pulse diagnosis unit 6 collects the blood and qi signals of the finger by contacting the patient's finger through a probe and a detection hole. The detection hole adopts a stepped hole structure, with a soft rubber sleeve 7 embedded in its small diameter part, which plays a buffering and isolation role when in contact with the skin, avoiding direct contact between the probe and the patient's skin. The nozzle hole set on the inner wall of the large diameter part of the stepped hole is equipped with a nozzle 8 for directional spraying of disinfectant liquid.

[0042] The gas tank 9 inside the main unit 1 supplies compressed gas to the liquid tank 10 via a gas pipe. A one-way valve 11, sequentially installed on the gas pipe, prevents liquid backflow. A pressure reducing valve 12 stabilizes the gas pressure, and an electric ball valve 13 controls the gas flow. The disinfectant stored in the liquid tank 10 is delivered to the nozzle 8 via a liquid pipe. A solenoid valve 14 on the liquid pipe regulates the liquid flow. This gas-liquid linkage system utilizes gas pressure to atomize and spray the disinfectant, achieving automatic cleaning of the probe contact area.

[0043] The automatic flushing device 17, externally mounted on the front of the main unit 1, establishes a communication connection with the electric ball valve 13 and the solenoid valve 14. When the device detects a user approaching and remaining there for a period of time, it automatically executes the spraying action. That is, the automatic flushing device 17 sends an electrical signal to the valves, simultaneously opening the gas and liquid passages, and controlling the spraying time and dosage of the disinfectant through a preset program. This design realizes a non-contact cleaning process and reduces manual intervention.

[0044] In some embodiments, a filter 15 is also provided on the liquid line, and the filter 15 is located upstream of the solenoid valve 14.

[0045] Specifically, the filter 15 added to the liquid line can be a sintered polypropylene filter cartridge (such as the SMC AFM series), with a filtration accuracy of 5μm or 10μm, a 4mm or 6mm quick-connect fitting, and a housing pressure range of 0.2-0.6MPa. Alternatively, a 316 stainless steel mesh filter (such as the Swagelok SS-4F-05) can be used, with a built-in 50-mesh metal filter screen and a 1 / 4-inch NPT threaded interface, suitable for liquid media filtration.

[0046] The filter 15 is located upstream of the solenoid valve 14 and can trap suspended particles in the disinfectant or impurities that detach from the inner wall of the liquid tank 10. This structure reduces the risk of the solenoid valve 14 core getting stuck and avoids uneven atomization caused by foreign matter deposits in the nozzle orifice. The filtered disinfectant atomizes with more stable particle size, which helps improve the uniformity of disinfection coverage on the probe contact surface.

[0047] The nozzle orifice at the large diameter section of the stepped hole forms a directional spray channel with the nozzle 8. The nozzle 8 preferably uses a wide-angle atomizing nozzle (such as the Spraying Systems 1 / 4J series), with a spray angle of 60-90 degrees and a flow rate range of 0.1-0.5 L / min. This structure allows the disinfectant to form a fan-shaped atomization area, which can cover the outer surface of the soft rubber sleeve 7 and the probe contact area.

[0048] In some embodiments, the liquid tank 10 is provided with a ball valve 16 for adding disinfectant into the liquid tank 10.

[0049] Specifically, the disinfectant replenishment ball valve 16 installed on the liquid tank 10 can be a two-way manual ball valve 16 made of brass (such as the Swagelok SS-43GS8 series), with a G1 / 2 internal thread interface, a nominal diameter of 8mm, a pressure rating of 1.6MPa, and a sealing material of PTFE or fluororubber. Alternatively, a quick-release sanitary ball valve 16 (such as the Burkert 5621 series) can be used, with a valve body made of 316 stainless steel, an interface adapted to 1 / 4-inch quick-release clamps, a nominal diameter of 6mm, and suitable for liquid medium opening and closing control.

[0050] Ball valve 16 is located on the top side of liquid tank 10 and is connected to the tank body via threads or a flange. This structure provides a manually operable disinfectant filling channel; rotating the handle controls the flow of liquid into liquid tank 10. The full-bore flow channel design reduces liquid residue, and the valve can be fully opened to drain residual liquid from the tank during shutdown maintenance, facilitating cleaning and maintenance. The valve body is made of a combination of corrosion-resistant metal and sealing materials, suitable for long-term contact with common disinfectant media such as sodium hypochlorite and ethanol. The quick-release interface design facilitates valve disassembly, cleaning, or replacement, preventing seal failure caused by crystal deposits in the valve core after long-term use. The ball valve 16 is installed above the highest liquid level line of liquid tank 10 to prevent external contaminants from flowing back into the tank body through the valve during shutdown.

[0051] In some embodiments, a liquid level sensor 18 is provided in the liquid tank 10, and an alarm 19 is also provided in the main unit 1. The alarm 19 is communicatively connected to the liquid level sensor 18 to trigger an alarm when the liquid level in the liquid tank 10 is lower than a threshold.

[0052] Specifically, the liquid level sensor 18 installed inside the liquid tank 10 can be a float-type liquid level switch (such as the KERI CNS-F series), with a measuring rod made of 316 stainless steel, an output signal of dry contact, an operating voltage range of 12-24V DC, and a protection rating of IP67. Alternatively, a capacitive liquid level sensor 18 (such as the E+H FTC51 series) can be used, with a probe made of polytetrafluoroethylene, a detection range of 0-500mm, and an output of a 4-20mA analog signal, suitable for detecting corrosive liquids.

[0053] Alarm 19 can be equipped with an integrated audible and visual alarm device (such as the Schneider XB5 series), featuring a built-in 85dB buzzer and a red LED warning light, operating at 24V DC, and input signals compatible with dry contacts or passive contacts. Alternatively, an industrial-grade alarm module (such as the Omron F3SG series) can be selected, supporting multi-level threshold settings and equipped with an RS485 communication interface for uploading liquid level data.

[0054] The liquid level sensor 18 is vertically mounted on the side wall of the liquid tank 10 and fixed by threads or flanges. When the disinfectant level drops to a preset height, the float switch is triggered or the capacitive sensor outputs a signal change, and the alarm 19 activates an audible and visual alert upon receiving the signal. This linkage design can promptly remind operators to replenish the disinfectant and prevent the liquid tank 10 from running dry, which could lead to abnormal pressure in the gas-liquid mixing system.

[0055] The built-in signal processing circuit of the alarm 19 can convert the liquid level status into a visible and audible warning signal. A red rotating warning light provides a clear visual indication on the front of the device, and the intermittent buzzer can penetrate normal ambient noise. After the alarm is triggered, it needs to be manually reset or will automatically deactivate once the liquid level returns to a safe range, preventing the system from continuing to operate in a low-liquid state.

[0056] In some embodiments, a safety valve 20 is also provided on the liquid tank 10.

[0057] Specifically, the safety valve 20 equipped with the liquid tank 10 can be a spring-loaded stainless steel safety valve 20 (such as the SMC AS2201F series), with a valve body made of 316 stainless steel, a set pressure range of 0.3-0.8MPa, and an interface configured with G1 / 4 or G1 / 2 internal threads. Alternatively, a rupture disc safety valve 20 (such as the Bürkert 8807 series) can be used, with a rupture diaphragm made of polytetrafluoroethylene, a burst pressure of 0.6MPa, and suitable for single overpressure relief scenarios.

[0058] Safety valve 20 is vertically installed at the highest point of liquid tank 10 via threads or flanges. When the pressure inside the tank exceeds the set value due to the failure of pressure reducing valve 12 or the misoperation of solenoid valve 14, the internal spring of safety valve 20 compresses or the diaphragm ruptures, forming a pressure relief channel. This device can directionally discharge overpressured gas or gas-liquid mixtures, preventing structural deformation or sealing failure of liquid tank 10 due to pressure accumulation. The valve body is made of corrosion-resistant material and can withstand long-term contact with disinfectant vapors such as sodium hypochlorite. Spring-type safety valves can automatically reset after pressure relief, while rupture disc type valves require manual replacement of the diaphragm assembly. The vent is connected to the outside of the equipment via a guide pipe, and the discharge direction avoids the operating area to prevent high-pressure liquid splashing from contaminating the equipment surface or affecting user safety. The pressure setting value of safety valve 20 is lower than the design pressure limit of liquid tank 10, forming a graded overpressure protection mechanism.

[0059] In some embodiments, the microphone 4 is disposed below the display unit 2, and the sound-emitting part 5 is disposed on the side of the display unit 2.

[0060] Specifically, the sound-emitting part 5 includes a speaker inside the main unit 1 and a sound-permeable hole in the outer casing of the main unit 1. The speaker generates sound signals and transmits the sound through the sound-permeable hole. For example, it can play instructions for the diagnostic process, operating instructions, measurement guidelines, or remind patients to take specific actions. This helps users better utilize the four diagnostic instruments and improves the accuracy and efficiency of operation.

[0061] Microphone 4 is used to capture human voice. Through camera unit 3, microphone 4, and speaker, questions posed by medical staff are played through the speaker, and users interact by inputting voice through microphone 4.

[0062] Microphone 4 is positioned directly below the display unit 2, in the lower-middle area of ​​the device's operating surface. This arrangement reduces the straight-line distance between the patient's mouth and microphone 4 to within 30-50 centimeters when the patient is standing, which is beneficial for clearly acquiring speech information.

[0063] The sound-emitting part 5 is installed on the side of the display part 2, usually in the non-observable area on the right or left side of the device. This position physically separates it from the display screen, allowing the sound wave propagation path to avoid the electronic components behind the display screen, reducing audio distortion caused by electromagnetic interference.

[0064] In some embodiments, the camera unit 3 includes a camera disposed inside the main unit 1 and a camera hole disposed on the outer casing of the main unit 1.

[0065] On the one hand, the camera unit 3 can be used to collect facial images and obtain facial information features to realize the function of visual diagnosis; on the other hand, the camera unit 3 can collect tongue images and obtain tongue information features to realize the function of auscultation and olfaction instead of tongue diagnosis.

[0066] In some embodiments, the bottom of the main unit 1 is provided with casters to facilitate multi-directional movement.

[0067] The casters installed at the bottom of the main unit 1 can be medical equipment-specific silent casters (such as the Colson CRN series), featuring nylon hubs and polyurethane coating, with a wheel diameter of 100-150mm and a single wheel load capacity of 80-100kg. The casters are equipped with a foot-operated braking device (such as the Tente 66 series locking mechanism), which, when pressed, fixes the wheel rotation via friction plates.

[0068] The casters are evenly distributed at the four corners of the main unit's base, forming a rectangular support layout. At least two of the four casters are equipped with omnidirectional rotation, while the remaining two are directional casters, creating a composite steering structure. This design allows the device to move forward, backward, and laterally in confined spaces, adapting to the movement needs of different floor environments such as examination rooms and corridors. The contact area between the casters and the ground is approximately 30-50 cm². 2 This disperses the pressure generated by the weight of the equipment, preventing floor indentations.

[0069] The braking device uses a lever mechanism to lock the wheel body, locking the wheel axle's rotation and steering freedom when pressed. In the braking state, the wheel assembly generates static friction with the ground, preventing displacement of the equipment due to external forces during pulse diagnosis operations. The polyurethane-coated wheel surface reduces vibration transmission when rolling on hard surfaces, minimizing mechanical impact on the equipment's internal precision components. The rubber material also provides moderate grip, preventing slippage on smooth surfaces such as ceramic tiles and epoxy flooring.

[0070] This utility model is not limited to the above-described embodiments. For those skilled in the art, various improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model. Contents not described in detail in this specification are prior art known to those skilled in the art.

Claims

1. A traditional Chinese medicine diagnostic instrument, comprising a main unit, and a display unit, a camera unit, a microphone, a sound-emitting unit, and a pulse diagnosis unit disposed on the main unit, wherein the pulse diagnosis unit includes a probe disposed inside the main unit and a detection hole disposed on the housing of the main unit, and a soft rubber sleeve is further fitted inside the detection hole, characterized in that, The detection hole is a stepped hole, the soft rubber sleeve is disposed in the small diameter part of the stepped hole, and a nozzle hole is opened on the inner wall of the large diameter part of the stepped hole, and a nozzle facing the soft rubber sleeve is disposed in the nozzle hole. The main unit is also equipped with a gas tank and a liquid tank. The liquid tank contains disinfectant. The gas outlet of the gas tank is connected to the gas inlet of the liquid tank through a gas pipe. A one-way valve, a pressure reducing valve, and an electric ball valve are sequentially installed on the gas pipe along the gas flow direction. The liquid outlet of the liquid tank is connected to the nozzle through a liquid pipe. A solenoid valve is installed on the liquid pipe. An automatic flushing device is installed on the front exterior of the main unit, and the automatic flushing device is communicatively connected to the electric ball valve and the solenoid valve respectively.

2. The TCM four diagnostic instruments as described in claim 1, characterized in that, A filter is also installed on the liquid pipe, and the filter is located upstream of the solenoid valve.

3. The TCM four diagnostic instruments as described in claim 1, characterized in that, The liquid tank is equipped with a ball valve for adding disinfectant into the tank.

4. The TCM four diagnostic instruments as described in claim 1, characterized in that, The liquid tank is equipped with a liquid level sensor, and the main unit is also equipped with an alarm. The alarm is communicatively connected to the liquid level sensor to trigger an alarm when the liquid level in the liquid tank is lower than a threshold.

5. The TCM four diagnostic instruments as described in claim 1, characterized in that, The liquid tank is also equipped with a safety valve.

6. The TCM four diagnostic instruments as described in claim 1, characterized in that, The microphone is located below the display unit; The microphone is used to collect human voices; The sound-emitting part is located on the side of the display part; The sound-producing part is used to play sound.

7. The TCM four diagnostic instruments as described in claim 1, characterized in that, The camera unit includes a camera installed inside the main unit chassis and a camera hole installed on the outer shell of the main unit chassis; The camera unit is used for optical imaging to collect data on the patient's tongue and facial color.

8. The TCM four diagnostic instruments as described in claim 1, characterized in that, The bottom of the main unit is equipped with casters for easy movement in multiple directions.

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