149 results about "Infection control" patented technology

The invention belongs to the technical field of biomedical materials, and relates to ultrasonic response adhesion integrated hydrogel as well as a preparation method and application thereof, the hydrogel comprises a hydrogel matrix, an interface anchoring agent and a functional load component; the preparation method comprises the following steps: 1, preparing a hydrogel precursor solution, and preparing a hydrogel matrix into a solution; 2, carrying out mold molding or injection crosslinking on the solution prepared in the step 1 to form hydrogel; 3, preparing an interface anchoring agent solution, and dissolving or dispersing an interface anchoring agent in a solvent to prepare the interface anchoring agent solution; the ultrasonic responsive adhesive hydrogel platform provided by the invention can provide an efficient, controllable and universal solution for tissue adhesion, targeted therapy, wearable attachment and the like in a complex microenvironment, and is suitable for a plurality of clinical scenes such as chronic wound management, surgical postoperative closure, infection control, adhesive bioelectronic fixation, soft tissue engineering and the like.

The invention belongs to the technical field of man-machine interaction, and discloses a diagnosis and treatment auxiliary system and method based on a voice gesture interaction technology, and the system comprises a voice recognition module which is used for collecting voice information; converting the voice information into text information; inputting the text information into the large language model to obtain a voice system instruction, and sending the voice system instruction to the data processing and interaction module; the gesture recognition module is used for collecting diagnosis and treatment scene information; identifying a preset operation gesture in the diagnosis and treatment scene information; mapping a preset operation gesture into a gesture system instruction and sending the gesture system instruction to the data processing and interaction module; the data processing and interaction module is used for receiving and executing a voice system instruction or a gesture system instruction; generating a calling instruction according to the voice system instruction or the gesture system instruction and sending the calling instruction to the network communication module; converting the received medical record data into diagnosis and treatment data in a display format; the network communication module is connected with a hospital information system; the calling module is used for calling medical record data after receiving a calling instruction of the data processing and interaction module and sending the medical record data to the data processing and interaction module; the display module is used for displaying the diagnosis and treatment data. The problem that a doctor cannot conveniently operate a computer to check patient data due to the sterility principle in the diagnosis and treatment process is solved, the diagnosis and treatment efficiency is improved, infection control is facilitated, and the sterility principle is met.

The present invention relates to the technical field of disinfection and sterilization, particularly to a hospital infection department disinfection and sterilization apparatus, which comprises a disinfection cabinet body, a disinfection cabinet door is hinged to one side of the disinfection cabinet body, the hospital infection department disinfection and sterilization apparatus further comprises: a drawer groove arranged in the disinfection cabinet body, a receding groove is formed in the disinfection cabinet body, and a filter plate is arranged in the receding groove; the compressor is arranged above the disinfection cabinet body; the cleaning assembly is arranged in the receding groove and comprises a rotating rod which is rotationally arranged; gas entering the disinfection drawer from a third exhaust pipeline is filtered through a filter plate, in the process of closing the disinfection cabinet door for disinfection, the disinfection cabinet door extrudes an extrusion block, the extrusion block extrudes a first air bag at one end, gas in the first air bag is discharged into a second air bag through a cleaning plate, and the second air bag expands to push a rack; the rack drives the rotating shaft to rotate and then drives the rotating rod to rotate, and at the moment, the elastically arranged cleaning plate cleans the filtered impurities, so that the impurities are prevented from blocking the filtering holes in the filtering plate.

An infection control tool for a building HVAC system includes processing circuitry configured to receive one or more inputs defining a HVAC system configuration for each of a baseline scenario and one or more other scenarios. The processing circuitry is also configured to estimate infection risk and at least one of energy consumption or operating cost for each of the one or more other scenarios relative to the baseline scenario. The processing circuitry is also configured to operate a display to provide the infection risk and at least one of the energy consumption or operating cost to a user.

The invention provides an indoor air purification method, which comprises the following steps of: comparing and analyzing airflow organization characteristics and particulate matter distribution conditions under different ventilation strategies, evaluating the effectiveness of various ventilation modes for controlling infection risks in a hospital, and screening out a target ventilation system design scheme, so that the target ventilation system design scheme meets the requirements of hospital air quality standards; on the basis of the screened target ventilation system design scheme, the arrangement of an air supply outlet, the air speed and the temperature are further optimized, and a large vortex simulation technology is adopted to conduct refined simulation on the airflow turbulence characteristics of a local area so as to verify the stability and reliability of the ventilation effect; and comprehensively evaluating the influence of the optimized ventilation system design scheme on the overall energy consumption of the hospital, carrying out economic analysis, balancing the energy-saving benefit and the sensing control effect, finally determining an enforceable airflow organization optimization strategy and supporting measures, and providing a customized sensing control solution for the hospital.

The invention discloses application of acinetobacter baumannii bacteriophage depolymerases in preparation of bacteriostatic agents, and relates to the technical field of biology. The depolymerases disclosed by the invention can inhibit the growth of a plurality of acinetobacter baumannii, have a bacteriostatic effect on the acinetobacter baumannii, and lay a foundation for developing effective infection control strategies and treatment methods to resist infection of the multi-drug-resistant acinetobacter baumannii.

The invention belongs to the technical field of medical education training systems, and particularly relates to a generative AI-based personalized infection control training system and method, and the system comprises a data collection module, a capability portrait construction module, a knowledge generation module, a difficulty regulation and control module, an evaluation module, a personalized learning module, an output module and a virtual patient interaction module. According to the system, user behavior data are integrated through a federal learning mechanism, a multi-dimensional ability portrait is constructed, hierarchical training content is generated by using a generative large model, and content difficulty dynamic adjustment is realized in combination with a Q-learning algorithm. The system supports VR / AR immersive training and voice interaction control, and can simulate a real infection scene and present a 3D propagation consequence. Compared with a traditional static teaching scheme, the system has higher adaptability, interactivity and training closed-loop ability, and the individuation and effectiveness of infection control training are remarkably improved.

According to the carbapenem-resistant klebsiella pneumoniae bacteriophage and the application, biological characteristic research, morphological analysis and other analysis are carried out on the bacteriophage, and it is found that the bacteriophage has a wide application prospect as a novel potential therapeutic agent and bactericide; meanwhile, the invention also provides a new feasible method for infection control and related application of clinical carbapenem-resistant klebsiella pneumoniae by researching the in-vitro synergistic effect of the klebsiella pneumoniae after the klebsiella pneumoniae is combined with carbapenem antibiotic meropenem.

The invention relates to the technical field of medical health information, in particular to a medical infection control intelligent monitoring system based on the Internet of Things. The system comprises a rapid microorganism monitoring module, a multi-dimensional gating behavior analysis module, a space-time causal reasoning module and an intelligent intervention control module, and can be used for sampling and flushing air in an operating room to obtain enriched microorganism suspension; introducing the enriched microorganism suspension into a lysis chamber for cell lysis release to obtain an ATP release liquid; performing viable bacterium density quantification on the ATP release liquid to obtain a real-time bacterial colony density index; collecting a gating original data stream; identifying gating behavior characteristics of the gating original data stream; and performing passage scene semantization on the gating behavior characteristics to obtain a scene semantic tag. According to the invention, the normal form transformation of medical environment infection control from passive monitoring to active prevention is realized through medical informatics and data processing and computing technologies.

The invention discloses a hospital infection control isolation protection device and an isolation protection method.The hospital infection control isolation protection device comprises an isolation sickbed, a bed frame is arranged below the isolation sickbed, reinforcing supporting rods are arranged at the two ends of the interior of the bed frame, universal wheels are arranged at the bottom of the bed frame, and a mattress is arranged in the isolation sickbed; the infection control isolation protection cover is arranged above the isolation sickbed, an upper combination frame is arranged below the infection control isolation protection cover, and a lower combination frame is arranged below the upper combination frame. The infection control isolation protection cover is arranged above the isolation sickbed, an infected patient can be isolated in the cover through the infection control isolation protection cover, the infected patient is totally closed on the sickbed and is used for preventing body fluid or blood from splashing, cross infection is effectively reduced, viruses are blocked in the cover, and the infection control isolation protection cover is safe and reliable. A large number of viruses are prevented from spreading to the whole ward, the infection probability of medical staff is reduced, and the isolation effect is good.

The invention discloses a hospital infection management full-time staff core ability evaluation method and device and a storage medium, and a core ability evaluation final model used in the method is established according to academic information and industry information, can track the progress of infection control knowledge and technology to dynamically update, adapts to rapidly developed medical environments and technologies, and improves the efficiency of core ability evaluation. The method can accord with functional characteristics of a hospital infection management department of a medical institution, and objective quantitative evaluation is carried out on the core capability; the final core capability evaluation model is subjected to performance test and structure optimization, so that core capability evaluation can be carried out based on data driving in combination with a data analysis technology; different to-be-evaluated hospital infection management full-time personnel use the same final core capability evaluation model for evaluation, the consistency and stability of evaluation standards can be kept, and core capability evaluation results of different medical institutions and different regions have comparability. The method is widely applied to the technical field of information.

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.

The invention discloses a CT examination bed, and relates to the technical field of medical instruments, the CT examination bed comprises an examination bed body, the top of the examination bed body is provided with a bed sheet replacing device, and the outer surface of the bed sheet replacing device is slidably provided with a shielding device. According to the CT examination bed, a bed sheet can be replaced more quickly, the defect that the rolling effect of the bed sheet is affected due to deviation of the bed sheet caused by an original recess in the top of the movable bed board is overcome, the sectional design of the wide bed sheet and the narrow bed sheet is utilized, the length of the first rolling roller is larger than that of the second rolling roller, and the bed sheet can be replaced more conveniently. The first winding roller can be independently wound and replaced, so that the loss of a bed sheet is reduced, the wound bed sheet is disinfected, simple disinfection can be realized when a CT examination bed with a lower infection control standard is used, the infection frequency of a patient is reduced, the patient does not need to wear lead clothes, the examination efficiency of the patient is improved, and the examination cost is reduced. And the shielding device can be freely adjusted according to the examined part, so that the use is more flexible.

This invention belongs to the technical field of medical tubing condensate early warning equipment, and specifically relates to a device for condensate early warning in ventilator tubing collection cups. The device includes a U-shaped tube with a vertical through-hole in the horizontal section of the tube wall. A guide rod is movably fitted into the wall of the vertical through-hole. A threaded hole is formed in the wall of the vertical through-hole, and a first limiting bolt is threaded into the wall of the threaded hole. This invention's device features independent support for the patient bed, automatic correction of the collection cup's posture, and non-contact liquid level warning. The height and horizontal position of the device can be flexibly adjusted, solving the problems of traditional suspended collection cups easily tilting, leading to condensate accumulation and backflow; overload causing tubing connections to detach; and blind spots in manual inspections. It effectively improves the safety and stability of ventilator tubing ventilation, meets hospital infection control requirements, eliminates the risk of cross-infection, reduces nursing workload, and effectively protects patient safety.

The present application relates to a kind of multi-layer composite peritoneal dialysis catheter outlet superficial infection control drug patch device, belong to medical instrument technical field.The device includes drug patch body, guide rod, pull strip;The top of guide rod is fixedly connected with the right side of drug patch body;The upper portion of pull strip is fixedly connected with the lower portion of drug patch body;The device of the present application can realize subcutaneous targeted drug delivery, efficient pus adsorption drainage, non-invasive fixation function, convenient replacement and other functions by optimizing structure design and material selection, especially suitable for the superficial infection site that conventional dressing change is difficult to handle.

The invention relates to the technical field of infectious disease control, and discloses a crowded area infectious disease contact trajectory tracking identification system, which comprises a multi-source data fusion module, a comprehensive risk analysis module and a control intervention module, the comprehensive risk analysis module is used for calculating a first-class infection risk index and a second-class infection risk index, and sending a signal to the control intervention module for infection control intervention; dynamic risk comprehensive assessment and prediction are carried out in combination with an actual environment, the infection probability of personnel in different scenes is accurately quantified, high-risk crowds and places are rapidly identified, isolation and detection resource allocation are optimized, unnecessary prevention and control cost is reduced, efficiency is high, a propagation chain can be blocked in time, further diffusion of infectious diseases is avoided, and panic of personnel is reduced.

The utility model discloses a liquid perfusion device for a digestive soft endoscope. The liquid perfusion device comprises an enteroscope connecting end, a hose section, a flow regulator, a perfusion tube and a sterile water connecting end, a hose section and a flow regulator are arranged in the middle of the perfusion tube; one end of the perfusion tube is an enteroscope connecting end, and the other end of the perfusion tube is a sterile water connecting end. The hose section and the flow regulator are arranged in the middle of the perfusion tube, so that the perfusion tube can be conveniently connected with a water pumping system of an enteroscope, and the perfusion flow can be regulated according to the process of enteroscope examination; besides, the enteroscope connecting end and the sterile water connecting end are arranged at the two ends of the perfusion tube respectively, so that the enteroscope end, the water pumping system and the sterile water connecting part are integrally designed, and the perfusion tube can be clinically used in a disposable mode and better meets the infection control requirement.

The application discloses a disposable medical lower limb lifting pad cover, which is used for sleeving a lower limb lifting pad; the isolation cover comprises an isolation pad and a heel decompression area arranged on the isolation pad; the isolation pad comprises a bottom waterproof layer, a middle liquid absorption layer and a top skin-friendly layer which are sequentially stacked; the heel decompression area is located at the front end of the top skin-friendly layer; the edge of the isolation pad is formed with a wrapping structure, and the lower side edge of the isolation pad is annularly provided with an elastic frame for sleeving the isolation pad on the lower limb lifting pad; and the two sides of the isolation pad are provided with fixing belts; by using the disposable isolation material, the infection control level is improved, and the clinical nursing efficiency is optimized; due to the fact that the heel decompression area is further arranged on the isolation cover, the comprehensive nursing effect is effectively improved, and the "one person, one use and one discard" is ensured, so that the cross infection through the path is physically eliminated.

An orthopedic system for delivery of a therapeutic agent to a bone includes an elongate stem adapted to be inserted into an intramedullary canal, an inlet configured to receive the therapeutic agent, and one or more outlets configured to deliver the therapeutic agent to the bone. The elongate stem may comprise one or more protrusions to engage the bone, and one or more channels extending longitudinally therein, fluidly coupled to the inlet. The therapeutic agent flows from the inlet through the one or more channels and exits into the intramedullary canal through the one or more outlets. The system may be configured to allow one or more dimensions of the system to be adjusted to accommodate the anatomy of a patient.

An orthopedic system for delivery of a therapeutic agent to a bone includes an elongate stem adapted to be inserted into an intramedullary canal, an inlet configured to receive the therapeutic agent, and one or more outlets configured to deliver the therapeutic agent to the bone. The elongate stem may comprise one or more protrusions to engage the bone, and one or more channels extending longitudinally therein, fluidly coupled to the inlet. The therapeutic agent flows from the inlet through the one or more channels and exits into the intramedullary canal through the one or more outlets. The system may be configured to allow one or more dimensions of the system to be adjusted to accommodate the anatomy of a patient.

The present invention relates to a peelable wound dressing system configured to maintain a controlled wound environment while enabling repeated access for treatment. The system includes a flexible base layer adhered to skin and a transparent peelable cover affixed by a resealable attachment mechanism. The cover is configured for multiple peel-and-reseal cycles, permitting wound inspection and treatment without removing the base layer. Optional features include antimicrobial agents in the base layer, anti-fog treatments in the cover, perforations or catheters for exudate drainage, and access pathways for lavage, infusion, or drug delivery. In some embodiments, sensor networks and wireless communication circuits are integrated into the cover or base to monitor wound and skin parameters, with power supplied by micro-batteries, passive RFID / NFC, or energy-harvesting elements. These features collectively improve infection control, visualization, treatment access, monitoring, and extended wear, addressing critical unmet needs in human and veterinary wound care.

An orthopedic system for delivery of a therapeutic agent to a bone includes an elongate stem adapted to be inserted into an intramedullary canal, an inlet configured to receive the therapeutic agent, and one or more outlets configured to deliver the therapeutic agent to the bone. The elongate stem may comprise one or more protrusions to engage the bone, and one or more channels extending longitudinally therein, fluidly coupled to the inlet. The therapeutic agent flows from the inlet through the one or more channels and exits into the intramedullary canal through the one or more outlets. The system may be configured to allow one or more dimensions of the system to be adjusted to accommodate the anatomy of a patient.

The invention relates to the technical field of medical care, in particular to an intelligent nursing environment monitoring and infection control system which comprises a data acquisition module, a data transmission module, a data processing and analysis module, a disinfection effect evaluation module, a control execution module, a user interaction module and an early warning response module. According to the scheme, the nursing environment is monitored by adopting the sensor network and the video monitoring equipment; a multi-agent-based communication cooperative control method is adopted to automatically monitor and control a nursing environment, and various operations from patient monitoring, medicine distribution to illness state reporting and the like are ensured to be executed orderly by performing topological sorting on various tasks in a nursing process; performing time-space conversion on the original binary communication graph to optimize the communication efficiency between the monitoring devices in the nursing environment; and through the design of a control rule, the data change is responded by adopting an event-driven mode, so that the influence of time delay and data packet loss is reduced.

The invention discloses a risk assessment-based sensing control management system, which comprises an information acquisition module, a model construction module, a risk assessment module and a prevention and control decision module, and is characterized in that the information acquisition module is used for acquiring initial air information, current personal information, historical place information and current place information; the model building module is used for building a pathogen content prediction model by utilizing initial air information, historical place information and current place information, rapidly predicting the content of pathogens in the current air and improving the risk assessment speed, and the risk assessment module is used for calculating immunity scores and potential risks and predicting direct risks. The individual infection risk is calculated and evaluated according to the immunity score, the direct risk and the potential risk, the prevention and control decision module makes prevention and control measures according to the evaluation result, the efficiency and the comprehensiveness of risk evaluation are improved, the prevention and control measures can be implemented in time, and the infection rate is reduced.

This invention discloses a self-puncturing, isolated sterilization process verification device and method for infection control sterilization, relating to the field of sterilization technology. This invention protects sterilization indicators from external air and humidity. Before sterilization, residual sterilization media does not interact with the sterilization indicators prematurely. Only when the sterilization program is initiated does the corrugated telescopic tube axially extend under vacuum, pushing a puncture needle to puncture the easily peelable membrane at the opening of the loading tube containing the sterilization indicators, allowing the sterilization media to smoothly enter the loading tube. At this point, the diffusion stage of the sterilization process begins, and the exposed sterilization indicators start to contact the injected sterilization media, allowing for monitoring of the sterilization effect. This invention improves the accuracy of sterilization monitoring results and avoids the influence of external air humidity, oxygen, residual sterilization media, and other factors on the sterilization monitoring results.

This utility model belongs to the field of medical device technology, and particularly relates to a head fixation mechanism for bronchoscopy. Addressing the problem that most existing bronchoscopy head fixation devices only provide a single supine support function, making it difficult to easily switch between supine and lateral positions on the same device, the following solution is proposed: A headrest shell and a headrest base are provided. The headrest base is equipped with a supine headrest and lateral headrests located on either side of it. A headrest groove is formed in the center of the top surface of the headrest shell. One of the supine or lateral headrests is positioned directly below the headrest groove. Temporal fixation clips and forehead fixation straps are provided on the top surface of the headrest shell on either side of the headrest groove. This mechanism allows switching between supine and lateral positions by sliding the headrest base. Combined with disposable sterile pads, it achieves one-person-one-change isolation protection, balancing positional accuracy, head fixation stability, and infection control safety.

The present invention discloses the preparation of antibodies against sickle cell hemoglobin variants and the application of a typing detection kit, belonging to the field of biomedicine. By comparing the sequences of different hemoglobins, the present invention analyzes the key mutation points of sickle cell hemoglobin. A prokaryotic expression system is used to recombinantly express the hemoglobin α chain (HBA) and hemoglobin β chain (including HBB, HBS, and HBC). The target proteins of different typings are then conjugated with KLH to prepare immunogens. Animals are then immunized and screened for antibodies targeting the different hemoglobin variants. Rabbit antibodies are obtained for HBB and HBS proteins, while mouse antibodies are obtained for HBA and HBC. DNA sequencing is used to analyze the antibody sequence information. The present kit has high sensitivity and specificity, and can rapidly distinguish hemoglobin typing, thus overcoming the shortcomings of existing detection technologies and assisting in clinical infection control and treatment.

The utility model discloses a special sampler for extracting a dry ice and acetone mixture for skin disease treatment, which comprises a sampling piece (1), and a sampling port (111) is arranged at one end of the sampling piece (1); the push-out mechanism (2) is connected to the sampling piece (1) in a sliding manner; the sampling handle (3) is detachably connected with the other end of the sampling piece (1); and a graduated scale (112) is arranged on the outer side of the sampling port (111). The device is reasonable in design, safe and reliable, quantitative extraction can be conveniently achieved, and meanwhile the requirement for hospital sensing control is met; meanwhile, operation is easy and convenient, portability is high, the actual requirements of medical staff can be met, and a new thought and direction are expected to be provided for medical dry ice sampling and development of the application technology.

An AgCuTe nanowire composite material, its preparation method, and its application in medical antibacterial gauze are disclosed. The material consists of two phases: Cu7Te4 and Ag2Te, exhibiting a one-dimensional nanowire morphology with uniform silver distribution and nanowire diameters ranging from 7 to 9 nm. This material is prepared via a tellurium nanowire template combined with a two-step liquid-phase displacement reaction. First, tellurium nanowires are synthesized hydrothermally, followed by sequential reactions with copper and silver sources at room temperature to obtain the product. The AgCuTe nanowires exhibit concentration-dependent and power-dependent photothermal heating effects under 808 nm near-infrared light irradiation, with good photothermal stability. Under near-infrared light irradiation, the material demonstrates significant synergistic antibacterial activity against Staphylococcus aureus and Escherichia coli. Loading this material onto medical gauze can produce a near-infrared responsive photothermal antibacterial dressing for wound care and infection control, without antibiotic dependence, thus helping to reduce the risk of bacterial resistance.