Method for preparing antibiotic medical catheter

Abstract

The invention discloses a method for preparing an antibacterial medical catheter and aims to provide a method for preparing the antibacterial medical catheter which has the advantages of safety and reliability, high efficiency, simple process, low product cost and so on. The medical catheter with antibacterial function is obtained through preparation of antibacterial powder which is then fully mixed with plastic master batches and subjected to extrusion molding. The method for preparing the antibacterial medical catheter comprises the following steps: firstly, preparation of the antibacterial powder, that is, ciprofloxacin powder and rifampin powder are mixed according to the weight ratio of between 1 to 1 and 1 to 3, and fully mixed with metal tungsten powder; and secondly, preparation of the antibacterial medical catheter, that is, the antibacterial powder and the plastic master batches are fully mixed, and the antibacterial medical catheter is prepared after mixing and extrusion molding.

Description

technical field [0001] The invention relates to a preparation method of a medical anti-infection catheter, in particular to a preparation method of an antibacterial medical catheter. Background technique [0002] At present, medical catheters have been widely used in clinical treatment. However, due to the particularity of the medical catheter itself, in the process of treatment, infection is often caused due to bacterial adsorption and other reasons, which may cause purulent phlebitis, purulent thrombophlebitis, and even develop fatal catheter sepsis. Therefore, for catheters inserted into the human body, especially catheters inserted into blood vessels, its antibacterial properties are very important, and it is directly related to the success or failure of treatment. In order to achieve the purpose of antibacterial, the commonly used catheters are often coated with materials containing antibacterial components by means of infiltration on the inner and outer surfaces of th...

AI Technical Summary

Problems solved by technology

In order to achieve the purpose of antibacterial, the commonly used catheters are often coated with materials containing antibacterial ingredients on the inner and outer surfaces of the catheters by infiltration. After 24 hours of contact between the material and the blood, the antibacterial power begins to drop significantly, and what’s more, the coating peels off, which makes the antibacterial durability of the catheter poor, which is not conducive to the realization of the purpose of diagnosis and treatment

At the same time, the production method of applying the antibacterial coating to the inner and outer surfaces of the pipe body by infiltration cannot support continuous production, and the production efficiency is low