A medical and beauty care cleaning device and a cleaning method thereof

Abstract

The application provides a medical and beauty care cleaning device and a cleaning method thereof, which comprises a closed circulation system, a micro-bubble generating device and an intelligent control module. The closed circulation system comprises a negative pressure drainage pipe, a three-stage filtration unit and a liquid storage tank which are connected with each other. The micro-bubble generating device is connected to a flushing nozzle through a Venturi tube. The micro-bubble generating device can generate bubbles smaller than 100 mm. The intelligent control module is integrated with an optical sensor group and an intelligent chip, which are used for real-time adjustment of flushing parameters. The liquid storage tank is connected with the three-stage filtration unit through a pressurizing pump. The three-stage filtration unit is connected with the micro-bubble generating device. In the device, the three-stage filtration achieves a sterilization rate of 99.99%, and the micro-bubble-electrolytic water synergistic sterilization efficiency is improved by thousands of times. The intelligent algorithm dynamically controls the wound healing speed to increase by 25%, the infection rate is reduced to 2.8% by the chitosan biological membrane, and the energy consumption is optimized by 35%, which is clinically verified.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical devices, in particular to a cleaning device for medical and beauty care and a cleaning method thereof. BACKGROUND

[0002] The cleaning device used in medical and beauty care mainly includes medical ultrasonic cleaner and medical full-automatic cleaning machine. These devices play a crucial role in medical and beauty care, mainly used for cleaning and disinfecting medical devices to ensure a sterile environment during surgery and nursing.

[0003] The existing technology has the following defects: 1. The traditional flushing device adopts an open water tank, which cannot block the secondary pollution of microorganisms, and the postoperative infection rate is as high as 5.7%; 2. The commercially available products rely on manual adjustment of parameters, and the flushing pressure fluctuation range exceeds ±15%, which is easy to cause wound damage; 3. Chemical disinfectant residue problem: 15.3% of patients have contact dermatitis caused by benzalkonium chloride and other components.

[0004] Therefore, it is necessary to design a cleaning device for medical and beauty care and a cleaning method thereof. SUMMARY

[0005] In view of the technical defects in the background art, the present application provides a cleaning device for medical and beauty care and a cleaning method thereof to solve the above technical problems and meet the actual needs. The specific technical solution is as follows:

[0006] A cleaning device for medical and beauty care, comprising a closed circulation system, a micro-bubble generating device and an intelligent control module, the closed circulation system comprising a negative pressure drainage pipe, a three-stage filtration unit and a liquid storage tank in communication with each other, the micro-bubble generating device being connected to the flushing nozzle through a Venturi tube, the micro-bubble generating device being capable of generating bubbles smaller than 100mm, the intelligent control module being integrated with an optical sensor group and an intelligent chip for real-time adjustment of flushing parameters, the liquid storage tank being connected to the three-stage filtration unit through a pressure pump, and the three-stage filtration unit being connected to the micro-bubble generating device.

[0007] Further, the three-stage filtration unit comprises a stainless steel coarse filter layer with a pore size of 100μm, an activated carbon adsorption layer and a 0.1μm medical grade filter membrane, and the activated carbon adsorption layer is loaded with nano-silver particles.

[0008] Further, the optical sensor group comprises an 850nm near-infrared light source, a multispectral CMOS image sensor and a laser ranging unit, and the spatial resolution reaches 0.1mm.

[0009] Further, the working parameters of the micro-bubble generating device satisfy the following relationship:

[0010] Q = 0.25√(P·ρ)

[0011] wherein Q is the microbubble output (mL / s), P is the Venturi inlet pressure (MPa), and p is the cleaning fluid density (g / cm 3 ).

[0012] Further, an electrolytic water generating unit is included, comprising a titanium-plated platinum anode plate and a 316L stainless steel cathode plate, and the output residual chlorine concentration of the electrolytic water generating unit is controlled at 0.5-1.0 ppm.

[0013] Further, the current density of the electrolytic water generating unit is 10-15 mA / cm 2 , and the electrolytic voltage adopts a pulse width modulation mode, with a duty cycle adjustment range of 30-60%.

[0014] Further, the flushing nozzle is provided with a pressure feedback module, and the pressure adjustment algorithm thereof is:

[0015] P(t) = P0 + k∫(S(t) - S_target)dt

[0016] wherein P(t) is the real-time pressure, P0 is the initial pressure setting value, and S(t) is the wound cleanliness index monitored by the optical sensor in real time.

[0017] Further, a constant temperature control assembly is included, which maintains the cleaning fluid temperature at 35±0.5°C through a PID algorithm, and the assembly comprises a PT1000 platinum resistance temperature sensor and a semiconductor heating / cooling sheet.

[0018] A cleaning method, comprising:

[0019] S1. Obtain the three-dimensional topography data of the wound through an optical sensor group;

[0020] S2. Match the optimal cleaning parameter combination based on a convolutional neural network model;

[0021] S3. Start the microbubble generating device and the electrolytic water generating unit for collaborative cleaning;

[0022] S4. After cleaning, automatically spray a chitosan biological protective film with a thickness of 20±5 μm.

[0023] Further, the collaborative cleaning of step S3 comprises:

[0024] First stage (0-30 seconds): microbubble flushing at 0.1 MPa pressure;

[0025] Second stage (31-60 seconds): superimposed 40 kHz ultrasonic oscillation;

[0026] Third stage (61-90 seconds): switching to electrolytic water disinfectant flushing.

[0027] Compared with the prior art, the medical aesthetic care cleaning device and cleaning method provided by the present invention have the following beneficial effects:

[0028] This invention achieves multi-dimensional performance improvements in medical cleaning equipment through innovative technology integration. In terms of filtration efficiency, the three-stage filtration unit achieves a bacterial retention rate of 99.99% and a virus removal efficiency of 4-log value. Combined with a nano-silver antibacterial layer, it reduces fungal residue to below 5 CFU / mL and increases TOC removal rate to 82%. The dynamic flushing control system achieves ±0.005MPa pressure accuracy and a 0.2-second rapid response through a multi-sensor fusion algorithm. Based on an intelligent adjustment formula for wound moisture and liquid viscosity, it reduces epithelial cell shedding rate to 7%. The bioprotective module innovatively employs pulsed spraying technology, resulting in a thickness uniformity RSD ≤ 5% and an adhesion of 3.6 N / cm. 2 The chitosan protective film reduces wound moisture loss by 58% and provides sustained antibacterial protection for 72 hours. The electrolyzed water generation unit controls residual chlorine concentration fluctuations to ±0.05ppm through pulse width modulation circuitry, and, combined with platinum-iridium alloy electrodes, achieves a current efficiency of 85% and extends electrode life to 2000 hours. In terms of system synergy, the closed-loop design and machine learning algorithms reduce energy consumption by 35%, requiring only 0.15kWh / L per unit. Clinical data shows that wound healing time has been shortened from 10.5 days to 7.2 days, the secondary infection rate has decreased from 18.7% to 2.8%, and patient satisfaction has increased to 94.6%. The microbubble ulceration effect and the hydroxyl radicals generated synergistically by electrolyzed water further enhance sterilization efficiency by three orders of magnitude, representing a comprehensive technological breakthrough. Attached Figure Description

[0029] Figure 1 This invention illustrates the connection relationships between the components of a medical aesthetic care cleaning device.

[0030] Figure 2 This is a flowchart of the algorithm for the intelligent control module in this invention.

[0031] Figure 3 This is a flowchart of a cleaning method according to the present invention. Detailed Implementation

[0032] In the description of this invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "middle," and "inner," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, it should be noted that unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention through specific circumstances.

[0033] The embodiments of the present invention will be described below with reference to the accompanying drawings and related examples. The embodiments of the present invention are not limited to the following examples, and the present invention relates to the relevant necessary components in this technical field, which should be regarded as well-known technology in this technical field and can be known and mastered by those skilled in this technical field.

[0034] See Figures 1-2 A medical aesthetic cleaning device includes a closed-loop circulation system, a microbubble generator, and an intelligent control module. The closed-loop circulation system comprises interconnected negative pressure drainage tubes, a three-stage filtration unit, and a reservoir. The microbubble generator is connected to the rinsing nozzle via a venturi tube and generates bubbles smaller than 100 mm. The intelligent control module integrates an optical sensor array and a smart chip for real-time adjustment of rinsing parameters. The reservoir is connected to the three-stage filtration unit via a pressure pump, and the three-stage filtration unit is connected to the microbubble generator. The closed-loop circulation system includes a negative pressure drainage tube connected to the wound contact point. The three-stage filtration unit has a 304 stainless steel shell, and the reservoir has a volume of 500 mL and is equipped with a level sensor. The microbubble generator produces nanoscale bubbles through a 2 mm diameter venturi tube.

[0035] Forward rinsing path: liquid storage tank → pressurizing pump → three-stage filtration unit → microbubble generator → rinsing nozzle; the pressurizing pump is driven by a brushless DC motor with a pressure adjustment range of 0.03-0.15MPa. After three-stage filtration, the fluid enters the microbubble generator and generates bubbles with a diameter ≤50μm through the venturi tube.

[0036] Reverse recovery path: wound area → negative pressure drainage tube → reservoir; the negative pressure value is dynamically controlled within the range of -5 to -15 kPa using a PID algorithm to achieve the recycling of the irrigation fluid and reduce the risk of cross-infection.

[0037] In one embodiment of the present invention, the three-stage filtration unit includes a stainless steel coarse filter layer with a pore size of 100 μm, an activated carbon adsorption layer, and a 0.1 μm medical-grade filter membrane. The activated carbon adsorption layer is loaded with silver nanoparticles. The activated carbon adsorption layer of the three-stage filtration unit adopts a honeycomb structure with a specific surface area of ​​1500 m². 2 / g. Silver nanoparticles were loaded via chemical vapor deposition, with the silver ion release rate controlled at 0.1-0.3 μg / cm³. 2 ·h.

[0038] In one embodiment of the present invention, the optical sensor group includes an 850nm near-infrared light source, a multispectral CMOS image sensor, and a laser ranging unit, achieving a spatial resolution of 0.1mm. The multispectral CMOS sensor can identify ≥5 wound infection characteristics with a diagnostic accuracy of 92%.

[0039] In one embodiment of the present invention, the operating parameters of the microbubble generator satisfy the following relationship:

[0040] Q = 0.25√(P·ρ)

[0041] Where Q is the microbubble output rate (mL / s), P is the venturi inlet pressure (MPa), and ρ is the cleaning fluid density (g / cm³). 3 The microbubble control model established using the formula Q = 0.25√(P·ρ) has a flow control error ≤ 3%.

[0042] In one embodiment of the present invention, an electrolytic water generation unit is further included, comprising a titanium-plated platinum anode plate and a 316L stainless steel cathode plate. The residual chlorine concentration output by the electrolytic water generation unit is controlled between 0.5 and 1.0 ppm. The electrolytic water generation unit adopts a Buck-Boost topology circuit, with a pulse width modulation frequency set to 20 kHz. When the residual chlorine concentration deviates from the set value, the duty cycle is adjusted by a fuzzy controller, with a response time ≤ 0.5 s.

[0043] In one embodiment of the present invention, the current density of the water electrolysis generation unit is 10-15 mA / cm². 2 The electrolysis voltage is pulse width modulation, and the duty cycle can be adjusted from 30% to 60%.

[0044] In one embodiment of the present invention, the flushing nozzle is provided with a pressure feedback module, and its pressure adjustment algorithm is as follows:

[0045] P(t)=P0+k∫(S(t)-S_target)dt

[0046] Where P(t) is the real-time pressure, P0 is the initial pressure setpoint, and S(t) is the wound cleanliness index monitored in real time by the optical sensor.

[0047] The intelligent chip is an STM32F407 processor running an improved PID algorithm, with a sampling period set to 10ms. In the pressure regulation formula of the pressure feedback module, the integral coefficient k is determined by gradient descent optimization, and in specific implementation, k = 0.15MPa / (s·cleanliness_unit).

[0048] In one embodiment of the present invention, a constant temperature control component is further included, which maintains the temperature of the cleaning fluid at 35±0.5℃ using a PID algorithm. The component includes a PT1000 platinum resistance temperature sensor and a semiconductor heating / cooling plate.

[0049] See Figure 3 A cleaning method, comprising:

[0050] S1. Acquire three-dimensional morphological data of the wound using an optical sensor array;

[0051] S2. Matching the optimal combination of cleaning parameters based on a convolutional neural network model;

[0052] S3. Start the microbubble generator and the electrolytic water generation unit for coordinated cleaning;

[0053] S4. After cleaning, a chitosan bioprotective film with a thickness of 20±5μm is automatically sprayed.

[0054] The training data for the convolutional neural network model in step S2 includes multispectral images of 5,000 cases of surgical wounds after cosmetic procedures. The input layer contains four feature dimensions: RGB three channels and near-infrared channel.

[0055] In one embodiment of the present invention, the collaborative cleaning in step S3 includes:

[0056] First stage (0-30 seconds): Microbubble flushing at a pressure of 0.1 MPa;

[0057] Second stage (31-60 seconds): superimposed 40kHz ultrasonic vibration;

[0058] Third stage (61-90 seconds): Switch to electrolyzed water disinfectant for rinsing.

[0059] This invention achieves multi-dimensional performance improvements in medical cleaning equipment through innovative technology integration. In terms of filtration efficiency, the three-stage filtration unit achieves a bacterial retention rate of 99.99% and a virus removal efficiency of 4-log value. Combined with a nano-silver antibacterial layer, it reduces fungal residue to below 5 CFU / mL and increases TOC removal rate to 82%. The dynamic flushing control system achieves ±0.005MPa pressure accuracy and a 0.2-second rapid response through a multi-sensor fusion algorithm. Based on an intelligent adjustment formula for wound moisture and liquid viscosity, it reduces epithelial cell shedding rate to 7%. The bioprotective module innovatively employs pulsed spraying technology, resulting in a thickness uniformity RSD ≤ 5% and an adhesion of 3.6 N / cm. 2 The chitosan protective film reduces wound moisture loss by 58% and provides sustained antibacterial protection for 72 hours. The electrolyzed water generation unit controls residual chlorine concentration fluctuations to ±0.05ppm through pulse width modulation circuitry, and, combined with platinum-iridium alloy electrodes, achieves a current efficiency of 85% and extends electrode life to 2000 hours. In terms of system synergy, the closed-loop design and machine learning algorithms reduce energy consumption by 35%, requiring only 0.15kWh / L per unit. Clinical data shows that wound healing time has been shortened from 10.5 days to 7.2 days, the secondary infection rate has decreased from 18.7% to 2.8%, and patient satisfaction has increased to 94.6%. The microbubble ulceration effect and the hydroxyl radicals generated synergistically by electrolyzed water further enhance sterilization efficiency by three orders of magnitude, representing a comprehensive technological breakthrough.

[0060] The above description is only a preferred embodiment of the present invention. It should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A cleaning device for medical aesthetic care, characterized in that, The device includes a closed-loop circulation system, a microbubble generator, and an intelligent control module. The closed-loop circulation system includes interconnected negative pressure drainage pipes, a three-stage filtration unit, and a liquid storage tank. The microbubble generator is connected to the flushing nozzle via a venturi tube and can generate bubbles smaller than 100 mm. The intelligent control module integrates an optical sensor group and an intelligent chip for real-time adjustment of flushing parameters. The liquid storage tank is connected to the three-stage filtration unit via a pressure pump, and the three-stage filtration unit is connected to the microbubble generator. It also includes an electrolytic water generation unit, comprising a titanium-plated platinum anode plate and a 316L stainless steel cathode plate, wherein the output residual chlorine concentration of the electrolytic water generation unit is controlled at 0.5-1.0 ppm; The current density of the water electrolysis generation unit is 10-15 mA / cm². 2 The electrolysis voltage is pulse-width modulation, with a duty cycle adjustment range of 30-60%. The flushing nozzle is equipped with a pressure feedback module, and its pressure regulation algorithm is: P(t) = P0 + k∫(S(t)-S_target)dt Where P(t) is the real-time pressure, P0 is the initial pressure setpoint, S(t) is the wound cleanliness index monitored in real time by the optical sensor, and S_target is the target wound cleanliness index.

2. The medical aesthetic care cleaning device according to claim 1, characterized in that, The three-stage filtration unit includes a stainless steel coarse filter layer with a pore size of 100μm, an activated carbon adsorption layer, and a 0.1μm medical-grade filter membrane. The activated carbon adsorption layer is loaded with silver nanoparticles.

3. The medical aesthetic care cleaning device according to claim 1, characterized in that, The optical sensor group includes an 850nm near-infrared light source, a multispectral CMOS image sensor, and a laser ranging unit, with a spatial resolution of 0.1mm.

4. The medical aesthetic care cleaning device according to claim 1, characterized in that, The operating parameters of the microbubble generator satisfy the following relationship: Where Q is the microbubble output rate (mL / s), P is the venturi inlet pressure (MPa), and ρ is the cleaning fluid density (g / cm³). 3 ).

5. A cleaning device for medical aesthetic care according to claim 1, characterized in that, It also includes a constant temperature control component, which uses a PID algorithm to maintain the temperature of the cleaning fluid at 35±0.5℃. The component includes a PT1000 platinum resistance temperature sensor and a semiconductor heating / cooling plate.

Images