1883results about "Disinfection" patented technology

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.

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 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 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.

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.

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.

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 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.

The invention discloses an intelligent ultraviolet disinfection method and system. The system comprises a multiband ultraviolet light source assembly, an environment and object sensing assembly and an intelligent control assembly, the intelligent control assembly predicts disinfection effects under different wave bands through a built-in machine learning prediction model according to real-time environment parameters, disinfection object characteristics and personnel existence states, and dynamically generates an optimal control strategy. On the premise of ensuring that the disinfection effect reaches the standard, continuous safe operation in a man-machine coexistence environment is realized, the operation energy consumption and the equipment loss are reduced, and the device is suitable for multi-scene disinfection application of water bodies, air and object surfaces.

The invention relates to the technical field of medical instrument disinfection, and particularly discloses a surgical instrument disinfection treatment system, method and device.The system comprises an instrument state recognition module, a disinfection treatment module and a disinfection treatment module, if yes, performing material identification and pollution degree identification on the to-be-disinfected surgical instrument placed in the sterilization chamber to obtain a surgical instrument state identification result; the disinfection strategy generation module is used for generating a corresponding optimal disinfection strategy based on a disinfection control instruction input by a user and a surgical instrument state recognition result; the disinfection and sterilization execution module is used for controlling real-time disinfection parameters in the sterilization chamber based on the optimal disinfection strategy to obtain a disinfection treatment result; the disinfection process is optimized, the disinfection effect is improved, and the sanitary quality of the surgical instruments is guaranteed.

The invention relates to a refrigerator and a refrigerator sterilization and purification method. The refrigerator comprises a refrigerator body, wherein the refrigerator body is provided with at least one chamber; the refrigerating system is arranged in the refrigerator body and is configured to transfer heat in the refrigerator to the outside through circulating flow of a refrigerant; the degerming and purifying device is arranged in the box body and is configured to degerm and purify the chamber; the opening and closing detection device is configured to detect the opening and closing state of the refrigerator door; the at least one controller is connected with the sterilization and purification device and the switch detection device and is configured to receive a door opening signal; wherein the door opening signal is sent when the switch detection device detects that the refrigerator door is switched from the closed state to the open state; in response to the door opening signal, controlling the first timer in the non-timing state to start timing; and under the condition that the timing duration of the first timer reaches the first duration, the sterilization and purification device is controlled to conduct sterilization and purification on the chamber. By the adoption of the scheme, the refrigerator sterilization and purification function matched with user behaviors can be provided for a user.

Aspects of the present disclosure relate to a reading apparatus that a well formed from a portion of a housing. The well dimensioned to receive at least a portion of a sterilization indicator having spores. The reading apparatus can also have a heating element thermally coupled to a portion of the well and an excitation source to excite the substance in the sterilization indicator. The reading apparatus can have a sterilization indicator activation circuit for detecting activation of the sterilization indicator. The excitation source is positioned such that light from the excitation source is directed into the well. A color sensor can be positioned adjacent the well to receive reflected light from the sterilization indicator.

The invention discloses an integrated nano platform for bimodal detection and synergistic sterilization of pathogenic bacteria as well as a preparation method and application of the integrated nano platform, and belongs to the technical field of food safety. The platform is composed of a multifunctional nano probe (MPDA / Pd SA-DA-CDs / Apt) and a magnetic separation assembly (MNRs / PGA / AM). The probe integrates enzyme-like catalysis and photo-thermal performance and is used for generating colorimetric and photo-thermal dual-mode signals so as to realize high-sensitivity and high-reliability detection of pathogenic bacteria. The magnetic separation assembly is used for specifically capturing and enriching target bacteria and eliminating matrix interference. After detection is positive, the platform can immediately start secondary propulsion synergistic sterilization: firstly, the action distance is shortened through magnetic aggregation, and then pathogenic bacteria are efficiently inactivated and biological membranes are disintegrated by utilizing the synergistic effect of near-infrared laser excitation photothermal effect and active oxygen. According to the invention, the integration of detection and disinfection is realized, the operation is convenient, and the method has important application value in the fields of food safety and biomedicine.

A toilet designed for use by pets, the solution of which seeks to guarantee that the device toilet or bathroom for dogs and cats can be installed in any place in the home, so as to integrate a flexible bag with the toilet destined to receive the liquid originating from the animal, this bag having a capacity to accommodate a certain volume of urine, and can be discarded at any time. The bag further receives a rubberized plastic “mat” on top, on which the animal positions itself, where it can also carry out its physiological needs, urine or feces, in the latter case to be scooped up by the pet owner with a little bag or similar. This set, both bag and mat area, can be sanitized. The embodiments include an alternative, which operates by an association of electro-mechanical, electronic and wireless communication resources.

The invention provides an integrated storage and sterilization device for multi-specification cell culture apparatuses, and belongs to the technical field of crossing of biomedical engineering and laboratory intelligent equipment. The device comprises a multi-specification cell culture appliance information acquisition module, a sterilization parameter intelligent calculation module, a sterilization process execution and real-time monitoring module, a sterilization effect intelligent judgment module and a multi-specification cell culture appliance storage adaptation module. According to the invention, through integration of an integrated architecture and an algorithm, sterile treatment, intelligent management and full-process tracing of multi-specification cell culture apparatuses are finally realized, high requirements of biomedical experiments on sterility, adaptability and controllability of the apparatuses are met, meanwhile, the operation efficiency of a laboratory is improved, and personal errors and pollution risks are reduced.

A system for treating and / or preventing a viral, bacterial and / or fungal infection in the oral cavity and / or along the respiratory tract, in particular the interior of the nose, throat, trachea and / or lungs, of a patient by reactive species generated by plasma as well as a plasma for such use is disclosed. The system comprises a plasma source generating reactive species in a gas, the plasma source being configured to be located outside a body of the patient, and a species directing member forming at least one duct for guiding at least a part of the reactive species generated by the plasma source into the oral cavity and / or the respiratory tract.

The utility model relates to the technical field of automation equipment, in particular to turnover type irradiation sterilization equipment which comprises a first conveying belt, a second conveying belt, a turnover conveying belt, a detection conveying belt and a third conveying belt which are connected end to end, the first conveying belt penetrates through an irradiation chamber, a turnover device is arranged on the turnover conveying belt, and the detection conveying belt is arranged on the third conveying belt. The turnover device comprises a turnover support and a lifting air cylinder, a cylinder body of the lifting air cylinder is installed on the turnover support, and the free end of a piston rod of the lifting air cylinder is connected with the installation base. An adjusting air cylinder is arranged on the installation base, the output end of the adjusting air cylinder is connected with a sliding plate, a rotating air cylinder is installed on the sliding plate, and the output end of the rotating air cylinder is detachably connected with a paw. According to the utility model, the problem that errors are easy to occur due to the fact that products needing to be subjected to irradiation sterilization on different surfaces depend on manual overturning is solved.

An apparatus for mitigating contamination in a fuel supply is an ultrasonic generator coupled with a piezoelectric transducer that propagates ultrasonic waves through a fuel tank. In some embodiments the apparatus is used to mitigate the growth of microbial organisms. In other embodiments the apparatus is used to emulsify water into the fuel, particularly in diesel fuel. The apparatus addresses water and microbial growth found in boats, cars, and aircraft as well as in storage tanks such as those used at fuel stations. In some embodiments, the fluid is diesel fuel.

Systems and methods for infection prevention and treatment in biological conduits using electroporation or pulsed field ablation (PFA). The system includes an elongate member, such as a dialysis catheter, vascular access device, or peritoneal dialysis conduit, with at least one electrode positioned along, within, or around the member. A control unit applies pulsed electric fields to inhibit microbial colonization, disrupt bacterial biofilms, and alter permeability of bacterial or endothelial cells to enhance sterility or fluid exchange. The system may use real-time impedance monitoring, microbial detection, or fluid composition analysis to adjust electroporation parameters. Electroporation may synchronize with dialysis cycles or antimicrobial lock solutions. The method includes automated, clinician-controlled, or sensor-triggered treatments to reduce infections and improve device longevity. The system provides an alternative or augment to antibiotics, reducing the risk of drug-resistant infections while improving the longevity and safety of medical implants.

An apparatus, includes: a first raw material supply unit 110 including a filter housing 111, a supply fan 112, a flow regulator 113, an electronic valve 114, and an air supply line 115, wherein the supply fan 112 is operated to suck in external air, in the process, the HEPA filter (not shown) mounted inside the filter housing 112 filters fine dust and adjusts the air supply flow rate from the flow regulator 113 to the appropriate flow rate and supplies through the supply line 115 to the ion generator 200; a second raw material supply unit 120 including a pressure regulator 122, a flow regulator 123, an electronic valve 124, and an air supply line 125.

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 discloses an intelligent quintuplet cooperative plasma self-purification robot long-term storage system and a self-adaptive disinfection control method. According to the system, cold plasma, ozone, chlorine dioxide, self-generated nitric oxide and a charge self-purification jump effect are fused, and a dynamic self-purification system with an electric field-gas field-chemical field-intelligent field-thermal field five-dimensional synergistic energy field is constructed. The robot adopts a three-section structural layout and a multi-mode self-adaptive propulsion mechanism, environmental parameters are sensed through AI, discharge power and oxidant release are intelligently regulated and controlled, and precise sterilization, toxicity reduction and mildew prevention in a multi-medium environment are achieved. The system can generate various high-energy active species containing. OH, O, NO, ClO, ONOO and the like, chain splitting decomposition and oxidation mineralization are carried out on mold spores, bacterial cells, aflatoxin and the like, the sterilization rate reaches 99.995%, and the toxin degradation rate exceeds 98%. The system has the characteristics of no residue, low energy consumption, long-acting self-maintenance and the like, is suitable for multiple scenes of grain storage, traditional Chinese medicinal materials, cold chains, farmland, public health and the like, and realizes an intelligent, continuous and chemical-additive-free green storage and dynamic purification system.

The invention relates to a system (10) for transporting loose sterile closure elements (12) from the surroundings (14) of an isolator (16) into an interior (18) of the isolator, comprising a container (24) for storing a stock quantity of closure elements in the surroundings of the isolator, an isolator opening (20) and a collecting device (56) for collecting the closure elements and for providing the closure elements in the interior of the isolator, with a metering device (46) for controlling a target quantity of closure elements to be transported from the container through the isolator opening and into the collecting device.

Aseptic dosing head (2, 60) for cryogenic liquid, comprising an aseptic reservoir (10) for cryogenic liquid communicating with a dosing outlet (24); a metering valve stem (30) extending through the aseptic cryogenic liquid reservoir (10) and having a lower distal end configured to selectively open and close the metering outlet (24); an electromagnetic actuator (40) attached to an upper end of the metering valve stem (30) and operable to move the metering valve stem (30) to open and close the metering outlet (24); and a seal (42) extending around the metering valve stem (30) and separating the aseptic cryogenic liquid reservoir (10) from a cavity (44) between the seal (42) and the actuator (40).

The invention provides a surgical instrument disinfection method and system, and relates to the field of medical instrument disinfection, and the method comprises the following steps: continuously collecting pressure data in a disinfection cabin, and calculating according to the pressure data to obtain a pressure change speed and a pressure fluctuation amplitude; presetting an ideal pressure change path; comparing the pressure change speed with a corresponding ideal pressure change speed in the ideal pressure change path to obtain an evaluation result; performing frequency characteristic analysis on the acquired pressure data, and performing transient fluctuation form identification on the pressure data to identify fluctuation related to microscopic fatigue damage of the instrument material; judging whether a microscopic abnormal mode exists or not according to the frequency characteristic analysis result and the transient fluctuation form recognition result; according to the evaluation result and the microcosmic abnormal mode, the operation parameters of the pressure adjustment executing mechanism of the disinfection bin are adjusted, the disinfection effect is guaranteed, meanwhile, instrument damage is effectively avoided, and the disinfection efficiency and safety are improved.

The invention relates to the technical field of biological pharmacy, and discloses a preparation method of a ready-to-use stable 3D-MLA adjuvant solution, which comprises the following steps: dissolving citric acid monohydrate and trisodium citrate dihydrate in water for injection to prepare a citrate buffer solution; adding polysorbate 80 into the citrate buffer solution while stirring, and dissolving the polysorbate 80; adding 3D-MLA into the obtained solution under stirring, and dissolving the 3D-MLA; adjusting the pH value of the solution; fixing the volume by using water for injection; sterilizing and filtering through a filter membrane, filling a container with filtrate, and sealing; and refrigerating and storing. According to the present invention, the citrate buffer solution is adopted, the pH value of the adjuvant solution is adjusted, and the combination effect of the buffer system and the pH environment is utilized, such that the chemical degradation of the 3D-MLA in the injection water is effectively inhibited, the technical problem that the solution is easily degraded is solved, and the ready-to-use preparation capable of maintaining the stability under the refrigeration storage condition is obtained.