3results about How to "Reduce colonization" patented technology

This invention discloses a low-infection-risk detachable fixation wing and grooveless stop clamp hemodialysis catheter system, belonging to the field of medical device technology. This invention addresses two core pain points of existing long-term hemodialysis catheters: first, it redesigns the traditional one-piece fixation wing as a detachable structure, allowing for quick assembly and disassembly by external force without damaging the catheter, facilitating skin cleaning and reducing the risk of local infection and mechanical damage; second, it optimizes the separate stop clamp into a grooveless structure integrated with the connector, employing a full, smooth inner lumen to completely eliminate dead zones for bacterial residue, reducing catheter-related bloodstream infections at the source. This invention has a simple structure, strong clinical adaptability, and can be widely applied in the field of long-term hemodialysis treatment, demonstrating significant clinical application value.

This invention relates to the technical field of fresh air humidifier units, and discloses a modularly assembled ceiling-mounted fresh air humidifier indoor unit structure, including a fresh air unit, which includes an air intake disinfection component, a filter component, and an exhaust fan component. The air intake disinfection component is equipped with an LED disinfection lamp, and the filter component has a secondary return air duct inside. The LED disinfection lamp disinfects the fresh air inside the filter component and the water in the air intake disinfection component. This invention can add a multi-directional radiation-type collaborative disinfection module to the airflow channel between the filter element and the atomizer, and with an adjustable-angle UV-C LED array, achieve dual-function disinfection of direct water injection and airflow radiation, eliminating the disinfection blind spot between the filter element and the atomizer, and realizing integrated collaborative disinfection of humidification water, filter element, atomizer, and intermediate air duct without dead angles, blocking the path of bacterial growth and transmission from the source, and completely avoiding the risk of secondary pollution of the supply air.

This application relates to a modified chitosan coating for enhancing adhesion to fruit surfaces and resisting fungal spores, and a method for preparing the same. The modified chitosan coating comprises a chitosan-tannic acid-stearic acid copolymer, a plasticizer, and water. The copolymer is modified by grafting tannic acid and stearic acid onto a chitosan backbone. The modified chitosan coating exhibits enhanced adhesion and hydrophobicity to hydrophobic fruit surfaces, improves wettability, reduces swelling under high humidity, enhances gas barrier properties, displays significant antioxidant activity, reduces enzymatic browning and scavenges free radicals, exhibits anti-adhesion against fungi and bacteria, and possesses excellent biocompatibility. It provides a promising, safe, and sustainable solution for extending the shelf life and quality of fresh agricultural products.