3505results about "Disinfection" patented technology

The invention discloses a self-adaptive control method for lead clothes disinfection, and relates to the technical field of intelligent control. The method comprises the following steps: constructing a lead clothes management library, obtaining a lead clothes demand condition, obtaining lead clothes use parameters and material parameters, obtaining a self-adaptive control instruction through a self-adaptive disinfection control model, monitoring the lead clothes disinfection process in real time, adaptively adjusting disinfection parameters, and optimizing the self-adaptive disinfection control model by using a disinfection historical record. According to the method, the self-adaptive disinfection control model is used for matching the first batch of recommended disinfection modes according to the lead garment material parameters, the demand index and the bacterial pollution index are calculated, the optimal second batch of disinfection modes are dynamically selected from the recommended disinfection modes, and the disinfection parameters are adjusted by using real-time monitoring data.

A device for inhibiting condensation distortion on an optical element of a medical instrument configured for insertion into a body cavity is provided. The device may include a housing; a cavity within the housing, the cavity being sized to removably retain at least a portion of the medical instrument therein, wherein the portion includes the optical element; a plasma activation zone within the cavity and arranged such that when the at least a portion of the medical instrument is retained within the cavity, the optical element is located within the plasma activation zone; a plasma generator configured to be activated to cause formation of a plasma cloud in the plasma activation zone in a vicinity of the optical element; and a controller configured to activate the plasma generator for a time period sufficient to cause the optical element to become hydrophilic prior to insertion into the body cavity.

The partial or full dehydration of organic or inorganic matter containing water by induction of matter into a vacuum and processing matter through a specially designed acceleration channel is disclosed. The inducted matter accelerates in air from zero speed to sub-sonic speed to reach supersonic speed. As the material transitions the sound barrier, it is subject to acoustic shock waves and an instant negative pressure drop occurs. The sound waves disintegrate, disinfect the material and extract part or all moisture from any organic or inorganic material.

In the system, an underwater double-bubble plasma generating device is electrically connected with a low-temperature plasma power supply, a pair of bubble reactors are arranged at intervals and at least partially immersed in a container, and a metal rod extends in a quartz tube through a positioning ring connected with a tube opening of the quartz tube; the metal rod is connected with a low-temperature plasma power supply; the gas channel introduces gas into the quartz tube through the positioning ring; the nitrogen source is communicated with one bubble reactor to introduce nitrogen through an air passage, the argon source is communicated with the other bubble reactor to introduce argon through an air passage, and when voltage is applied to the two metal bars of the pair of bubble reactors, the two bubble reactors discharge simultaneously to generate plasmas so as to generate NO2-and H2O2 active particles respectively; nO2 <-> and H2O2 active particles react to generate ONOO <->, and the sterilization and disinfection functions of the plasma activated water are enhanced based on a chemical path of the system.

An air filtering device for an air conditioner, in particular for filtering out particles, preferably pollutants, from air is provided. The air filtering device comprises a flow path through which air flows along a flow direction, an ionizer for generating ions in the flow path, and grid structure made of an electrically conductive material, that is upstream of the ionizer in the flow path in the flow direction, which forms a first electrode. A filter is downstream of the ionizer in the flow path in the flow direction which has a layer that forms a second electrode. The air filtering device also comprises a high voltage power source that has an electric pole and an electric counter-pole for generating a high voltage between the pole and the counter pole. The pole is electrically connected to the ionizer, or its discharge electrode, and the counter-pole is electrically connected to the first and second electrodes.

The present invention relates, in general terms, to a face mask. The present invention also relates, in general terms, to composite material, iron-iron oxide compositions and their methods of fabrication thereof. In particular, the iron-iron oxide composition comprises a cashew testa extract and iron particles and / or oxide core-shell particles. The iron-iron oxide composition can be used as an anti-microbial composition.

The invention relates to the technical field of washing equipment, and discloses a washing electric appliance tableware disinfection control method, system and equipment and a storage medium, the working state of a draining pump is accurately judged through preset pre-draining and formal draining conditions and monitoring of the working current of the draining pump, and the washing electric appliance tableware disinfection control method and system are provided. The plasma disinfection is started only when the drainage is normal and has no fault and no accumulated water residue risk is ensured, so that the internal environment of the plasma module is effectively protected, the performance of the plasma module is prevented from being damaged, and the disinfection reliability of the washing electric appliance tableware is ensured.

A pathogen surrogate, formed by a DNA tag or bar code and a carrier, is described for use in the validation and verification of sanitation, such as in food processing operations and for wash water systems for fresh produce. The carrier material is selected so that the pathogen surrogate mimics the behavior of a pathogen when subjected to a sanitation operation. One or more surrogates can be introduced in to an environment, which is then subjected to sanitation process, followed by a detection process using the DNA tag of the surrogate.

The invention relates to the technical field of pitaya tank disinfection, in particular to a moxibustion pitaya tank disinfection device which comprises a base plate. The device further comprises a shell, a supporting pipe, a housing and the like. A shell is fixedly connected to the upper surface of the chassis; the shell is provided with at least six cavities distributed in an annular array. The central point of the shell is fixedly connected with a supporting pipe; and the supporting pipe is fixedly connected with a housing. According to the disinfection device for the pitaya tank for moxibustion, which is obtained through the design, bacteria, viruses or blood (such as when the skin is damaged) at the opening of the pitaya tank are scrubbed and cleaned through the sponge ring which continuously rotates anticlockwise on the scrubbing assembly; smoke dust, moxa ash or other pollutants tightly attached to the inner surface of the pitaya tank are scraped and cleaned through a plurality of cleaning wires continuously rotating anticlockwise on the brushing assembly, and then sweat, sebum or other secretions on the outer surface of the pitaya tank are repeatedly brushed and cleaned through a brush disc and brush strips.

The invention discloses a preparation method of a piezoelectric self-sterilization cotton fabric-based pressure sensor. The preparation method specifically comprises the following steps: step 1, preparing a modified boron nitride nanosheet; step 2, preparing a modified boron nitride nanosheet / Ag-MOF545 composite material; step 3, preparing a modified boron nitride nanosheet / Ag-MOF545 cotton fabric based piezoelectric material; and 4, preparing the self-sterilization cotton fabric based piezoelectric pressure sensor. According to the piezoelectric self-sterilization cotton fabric-based pressure sensor, on the basis of a piezoelectric polarization effect generated by a piezoelectric material, a stimulation signal of external strain is converted into a piezoelectric current signal to be output, and molecular electrolysis is generated on the surfaces of bacterial cells by utilizing the current signal; meanwhile, the electroporation effect generated by the current can destroy the integrity of a bacterial membrane and induce metabolism disorder of bacteria, and as a physical method, due to the fact that no additional antibacterial material needs to be loaded and the broad-spectrum antibacterial effect is achieved, the bacteria can be thoroughly killed while the drug resistance of the bacteria is effectively avoided.

A method of manufacturing a medical device made of polylactic acid (PLA) and hydroxyapatite (HA) aimed at the repair of fractures or considerable bone injuries, using 3D printing and electrospinning techniques.

The present technology relates to an electroporation based antimicrobial apparatus The electroporation based antimicrobial apparatus includes a negative electrode and a positive electrode powered by an energy source, operatively coupled to an air inlet structure, such that upon applying 10 an external electric field across the negative electrode and the positive electrode, a lightning-rod effect is generated that causes permanent damage to outer structure of microbes passing along with air through the air inlet structure, thus achieving instant disinfection. The energy source includes a 15 respiration driven triboelectric Nanogenerator (R-TENG) for harvesting wasted biomechanical energy from the periodic motion of respiration. The R-TENG includes a pair of nanofiber films comprising a first nanofiber film composed of a tribopositive material and a second nanofiber film 20 composed of a tribonegative material. The tribopositive and tribonegative materials are with opposite polarity and the R-TENG serves as a filtration system concurrently. Most illustrative diagram:

A multi-chamber package is described including a first and second chamber, the first chamber having a bottom wall and sidewalls defining a cavity, the second chamber having a partially open bottom wall and sidewalls defining a cavity. A first removable seal is positioned over a top surface of the package, fully covering the first chamber and second chamber, and a second seal is positioned over a bottom surface of the partially open floor of the second chamber, fully sealing the second chamber. A method of packaging medical devices is also described.

A respiratory apparatus for providing a flow of gases to a user for respiratory therapy. The respiratory apparatus comprises a controller that is operable to execute one or more leak detection algorithms to determine leaks and / or components missing in the flow path. The leak detection algorithms compare pressure and / or flow rate signals to one or more thresholds using a two-stage evaluation process to determine leaks.

The present invention generally relates to a process for fabricating a reduced graphene oxide (rGO)-based antifouling marine coating is disclosed. The process begins with preparing a dispersed graphene oxide solution, followed by chemical reduction using hydrazine hydrate at 90-95° C. for 3 hours to form a dispersed rGO solution. This solution is then washed, filtered, and sonicated for 6 hours to ensure stability. A polymer solution is prepared by dissolving 40-50 wt % epoxy resin in acetone at 50° C. The antifouling composite is then formed by combining the rGO solution, 10-15 wt % zinc oxide nanoparticles, and 1-5 wt % carbon nanotubes with the polymer solution, followed by 6 hours of sonication at room temperature. Finally, the resulting composite material is applied to a substrate as a coating using spraying, brushing, dipping, or spin coating. This coating offers a promising solution for preventing biofouling on marine structures.

The invention discloses a DBD plasma disinfection and sterilization treatment system which comprises a base, conveying rollers are rotationally arranged on the base through a first support and a first connecting shaft, a conveying belt is arranged between the two conveying rollers, and a disinfection and sterilization machine shell is further arranged on the upper portion of the base through a second support. A DBD plasma generator is arranged at the top of a disinfection chamber in the disinfection and sterilization machine shell, a disinfection and cleaning pool is arranged on the base, and the lower end of the conveying belt is guided by a guide roller to pass through the lower portion in the disinfection and cleaning pool. The conveying belt is used for horizontally conveying articles to be disinfected, the DBD plasma generator is used for generating DBD plasma for disinfection and sterilization treatment when the articles pass through the disinfection chamber of the disinfection and sterilization machine shell, the articles are discharged from one end of the conveying belt after disinfection is completed, the disinfection and sterilization effect is good, continuity is high, and the continuous disinfection and sterilization efficiency of the multiple articles can be improved.

The present disclosure relates to a negative ion generating device and an air purifier. The negative ion generating device includes a housing, a negative ion assembly, and a cleaning assembly. The negative ion assembly is arranged to the housing, and the negative ion assembly includes a conductive fiber brush. The cleaning assembly is arranged to the housing, the cleaning assembly includes a driving mechanism and a cleaning member, and the cleaning member can move under action of the power provided by the driving mechanism, and contact or separate from the conductive fiber brush during movement.

Provided is a hygiene evaluation apparatus capable of precisely evaluating a hygiene state of hands. A hygiene evaluation apparatus includes a captured image acquiring unit that acquires a captured image of a hand, a calculating unit that calculates a score regarding a substance stuck to the hand, using the captured image, and an output unit that outputs the score calculated by the calculating unit. It is possible to more precisely perform evaluation by more directly evaluating a hygiene state of hands using the captured image of the hands.

The invention relates to the technical field of clean clothes workflow management, in particular to a clean clothes comprehensive management system based on an intelligent management platform, which identifies electronic codes of clean clothes through an RFID identification module, and records management information of the clean clothes in the stages of distribution, use, recovery, cleaning and sterilization in the workflow; a clean clothes image is collected before each process sub-stage through a process monitoring module, and a label state is detected by adopting a target detection algorithm; when it is detected that the label deviates or falls off, early warning is triggered; the resource state management module performs anomaly detection based on the information of the cleaning and sterilization stages, and dynamically adjusts the washing threshold value and the expected life of the RFID tag; the visual code tracing module obtains identity information by scanning the visual code on the clean clothes when the RFID tag loses efficacy or falls off. According to the invention, the intelligence and reliability of clean clothes management are obviously improved, and powerful support is provided for accurate tracing and efficient management of the working process.

The application discloses a six-pole ring plasma generating device for sterilization and disinfection, which is composed of a plasma generating area, a plasma activated water storage area and a plasma special power supply; the plasma generating area is composed of a fan, a single-pole high-voltage electrode column, a quartz tube, a six-pole grounding electrode column and a ring electrode fixing plate; the upper side wall of the plasma generating area is provided with a circular air hole in the center; the plasma activated water storage area is located below the plasma generating area and communicates with the plasma generating area; the left side wall of the plasma activated water storage area is provided with a circular water injection hole in the center, and the front side communicates with a water faucet. Gas enters the plasma generating area through the circular air hole and generates plasma under the action of high voltage. The gas carrying the plasma enters the plasma activated water storage area, so that ordinary water is changed into plasma activated water, and the plasma activated water can be taken through the water faucet.

The invention provides a toilet pollutant vacuum degradation treatment system applied to a plateau train, and belongs to the technical field of pollutant degradation treatment.The toilet pollutant vacuum degradation treatment system comprises a constant-temperature box, a first contact chamber and a second contact chamber are arranged in the constant-temperature box, and the upper side and the lower side of the surface of one side of the constant-temperature box are each provided with a sewage inlet pipe and a sewage outlet pipe; according to the scheme, pollutants fall into the constant-temperature box through the sewage inlet pipe, the driving mechanism drives the extrusion mechanism and the stirring paddle to work at the moment, the filler plate treats the pollutants at the moment, meanwhile, the extrusion mechanism presses the pollutants on the surface of the filler plate, and the pollutants on the inner wall of the constant-temperature box are extruded by the stirring paddle. At the moment, a stirring paddle dilutes pollutants, then the pollutants are moved into a disinfection mechanism through a booster pump, at the moment, the disinfection mechanism disinfects, sterilizes and deodorizes the pollutants, and then the pollutants are contacted under the action of a limiting partition plate, so that the degradation effect is improved.

A system is provided for maintaining sterile fields in a monitored enclosure. Multi-modal sensor data associated with a subject performing a plurality of actions within a monitored enclosure is correlated. The multi-modal sensor data is received at defined time intervals from a plurality of sensing devices located within the monitored enclosure. The subject is authorized to selectively perform a set of designated tasks based on contextual analysis of the correlated multi-modal sensor data, the set of parameters retrieved from a data store, and / or a set of activities performed by the subject. A notification is generated, via a portable device associated with an unauthorized subject, based on detection of an event associated with an unauthorized action performed by the unauthorized subject.

An annular apparatus is provided for generating accelerated electrons, wherein ions from a glow discharge plasma may be accelerated onto the surface of an annular second cathode and electrons emitted by the annular second cathode may be accelerated towards an annular electron exit window by a second electrical voltage applied between the annular second cathode and an annular second anode, wherein a housing is designed as a first cathode; a first anode comprises a number of wire-like electrodes which extend completely or partially through an annular evacuable space, and wherein a second reservoir contains a hydrocarbon-containing compound which may be admitted into the evacuable space through the at least one first inlet.

The utility model discloses a uniform drying device for a disinfection cabinet, which relates to the technical field of disinfection cabinets and comprises an air guide component and a plurality of supports. A plurality of ventilation flow channels with the same length and size are arranged in the air guide assembly, and each ventilation flow channel comprises an air inlet end and an air outlet end; the air inlet end is communicated with a hot air outlet of the inner cavity of the disinfection cabinet; the plurality of ventilation flow channels are uniformly distributed and are respectively connected to the plurality of corresponding hot air outlets; the support is hollow, one end of the support is communicated with one air outlet end, and the other end of the support is provided with a first air outlet hole. And finally, the hot air is concentrated and uniformly distributed to each bracket and the corresponding disinfected container through the matching of the ventilation flow channels and the brackets, so that the rapid and uniform drying effect is finally realized.

A biological indicator includes: a BI housing; a germinant container inside the BI housing and housing a germinant composition; a germinant releaser configured to release the germinant composition from the germinant container; a germinant releaser support supporting the germinant releaser and configured to bring the germinant releaser into contact with the germinant container upon application of a force to the germinant releaser support or the germinant container; a first spore carrier inside the BI housing, the first spore carrier having a plurality of spores deposited at a first surface thereof; and an imaging window at a first surface of the BI housing. A BI reader is configured to detect and quantify the presence of live spores in the BI, and includes an excitation source, a camera for capturing images of the spores over time, and a processor for analyzing the images to determine the presence of live spores.

The present invention relates to an automated brush-cleaning device, comprising: a base that comprises a washing tray above which one or more brushes can be washed, an openable lid with a brush holder, the brush holder comprises one or more brush seats configured to receive one or more brushes for holding the brushes during their cleaning, wherein when said openable lid is closed a washing cavity is defined between said openable lid and washing tray, enclosing the lower portions of one or more brushes cleaned therein, whereas the top portions thereof extend outside said brush-cleaning device. The automated brush-cleaning device further comprises an air circulation module, a control module, and a power supply module, wherein the device is configured to automatically clean one or more brushes by washing and drying their lower portions, and by applying multiple mechanical loads during the cleaning, thereby disintegrating and detaching undesired substance residues therefrom.

The invention discloses an efficient internal circulation drying dish rack structure and a tableware cabinet, and belongs to the technical field of household appliances. The dish rack structure comprises a dish rack, a drying fan and an air inlet of the drying fan, and further comprises a circulating air assembly with a drying air duct, the drying air duct comprises a distribution air duct and a conveying air duct; a distribution opening is formed in the distribution air duct, and gas output by the drying fan is conducted to the distribution opening through the distribution air duct; the conveying air duct is provided with an air collecting opening and multiple air outlets. During drying, the air collection opening is communicated with the distribution opening in a butt joint mode, and the multiple air outlets are formed in different drying areas on the dish rack. The air outlets are dispersedly and directionally formed in the bottom of the bowl basket, so that tableware to be dried is located on the inevitable path of a flow path of drying gas, and then the efficient drying effect is achieved.

An ultrasonic cleaning device 2 for oral appliances, comprises a tank 102 for holding a liquid and at least one oral appliance, an ultrasonic transducer 104 arranged to convey ultrasound signals to the tank, and a control circuit for driving the transducer, the control circuit arranged to provide at least a first mode and a second mode, the first mode comprising a first period during which an ultrasound signal is arranged to be provided at a first amplitude (step 216), and the second mode comprising at least a second period during which an ultrasound signal is arranged to be provided at the second amplitude (step 220) followed by a third period during which an ultrasound signal is arranged to be provided at the third amplitude (step 222), following by a fourth period during which an ultrasound signal is arranged to be provided substantially at the second amplitude (step 224), and wherein the second, third and fourth periods are substantially equal and shorter than the first period and the third amplitude is substantially lower than the second amplitude. The second mode may further comprise a fifth period during which an ultrasound signal is arranged to be provided at substantially the third amplitude (step 226) and a sixth period during which an ultrasound signal is arranged to be provided substantially at the second amplitude (step 228).

The utility model discloses an anti-pinch soft endoscope cleaning and disinfecting machine, and belongs to the technical field of medical instruments. Which comprises a cleaning cabin (4), an upper cover (1) and a driving mechanism for driving the upper cover (1) to be opened and closed are arranged at the upper port of the cleaning cabin (4), and a sealing ring (2) is arranged at the upper port of the cleaning cabin (4), and is characterized in that an upper conductor or a lower conductor which displaces under pressure is arranged in the sealing ring (2), and the upper conductor and the lower conductor are arranged at an interval; the upper conductor or / and the lower conductor is / are led out of the electric appliance cavity (12) and then connected with the controller, and the controller is connected with the driving mechanism. In the anti-pinch soft endoscope cleaning and disinfecting machine, the upper conductor and the lower conductor are arranged in the sealing ring at the upper end opening of the cleaning cabin, and the upper conductor or / and the lower conductor are / is displaced to be in contact in the closing process of the upper cover, so that the situation that the soft endoscope is left at the upper end opening of the cleaning cabin as an obstacle is avoided; therefore, the upper cover or the soft endoscope can be prevented from being damaged.

The invention discloses a device for preparing a plasma activating solution on a large scale and application of the device in food sterilization. The device comprises a power supply, a gas supply system, a water tank and at least one mixed plasma reactor, the hybrid plasma reactor is arranged in the water tank and comprises a medium pipe, a rod-shaped grounding electrode, a first high-voltage electrode and a second high-voltage electrode; the rod-shaped grounding electrode, the first high-voltage electrode and the second high-voltage electrode are fixed in the dielectric tube; the first high-voltage electrode is a metal tube and sleeves the rod-shaped grounding electrode, and the rod-shaped grounding electrode is located in the center of the first high-voltage electrode; a dielectric layer is arranged on the inner surface of the first high-voltage electrode; the second high-voltage electrode is arranged below the first high-voltage electrode and sleeved outside the rod-shaped grounding electrode, and the rod-shaped grounding electrode is located at the center of the second high-voltage electrode. According to the invention, the variety and concentration of active ingredients in the plasma activating solution are improved, high-level food sterilization application is realized, and the device has spectral antibacterial property, is simple, energy-saving and extensible, and can be suitable for various food sterilization scenes.