1 results about "Bronchial cannula" patented technology

The present application relates to the technical field of thermoplastic elastomer, in particular to a disposable visual double-lumen bronchial cannula and a preparation method thereof.The ethylene-propylene thermoplastic elastomer, polypropylene resin, antibacterial silver material and antibacterial zinc oxide material are mixed, and then melt extrusion, cooling and traction are carried out to obtain a pipe material.The pipe material is sequentially subjected to water washing, alcohol washing, drying and plasma treatment to obtain a pretreated pipe material.The antibacterial hydrogel solution is obtained by adding hydroxyethyl acrylamide, acrylic acid, polyvinylpyrrolidone, propenyl quaternary ammonium salt, allyl triphenyl phosphonium bromide and 1-allyl imidazole.The pretreated pipe material is soaked in the antibacterial hydrogel solution, and then the finished product is obtained after ultraviolet irradiation.The finished product prepared by the present application has excellent antibacterial property and lubricity, and therefore has a wide application prospect in the technical field of thermoplastic elastomer.