1. Treatment of urinary catheter: Long-term indwelling urinary catheter may sometimes cause obstruction of the balloon cavity due to the aging of the rubber, which may cause serious complications when forcibly removed. In order to prevent the aging of the surface of the silicone rubber in contact with the human body, oxygen plasma treatment is required on the surface of the silicone rubber. Using scanning electron microscope (SEM), infrared spectroscopy (FTIR-ATR) and surface contact angle to study the surface structure, performance and chemical composition of the natural rubber latex catheter before and after oxygen plasma treatment, the results show that the surface of the catheter after oxygen plasma treatment The surface is smooth and no harmful groups are generated, indicating that oxygen plasma treatment is an effective surface treatment method. 2. Infusion set: The hole of the infusion needle holder is very small, so it is difficult to handle with ordinary methods. Plasma is an ionized gas, it can also effectively deal with tiny holes. Plasma surface activation treatment can improve the surface activity of the needle tube, increase the bonding strength of the needle tube and the needle tube, and ensure that the needle tube does not separate. 3. Medical device activation, ammoniating and cleaning: activation to improve the adhesion of cells and biological materials to the clinical diagnosis platform. Ammonification provides high molecular materials with binding sites that can bind to biological and sensor molecules. Clean medical equipment to solve problems such as weak adhesion and biological pollution.
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