P7L ultrasonic scaler Function: Scaling,Perio,Endo Tip vibration frequency: 28kHz±3kHz Handpiece material: Aluminium alloy Handpiece: Detachable. Autoclavable. With light Product description: P7L scaler looks very beautiful.Compact size.High quality.CE&FDA certified. It is very popular in the developed countries like USA,Italy,UK,Spain,Israel, Australia etc. Product structure,scope of application and contraindication Product performance and structure Ultrasonic scaler is composed of electrocircuit, waterway and ultrasonic transducer. 3.2Intended Use A powered device utilizing a vibrating ultrasonic tip to remove calculus and other accretions from tooth surfaces during dental cleaning, periodontal therapy and root canal treatment. Contraindication The hemophilia disease patients or patients with thrombocytopenia purpura are forbidden to use this equipment. The patients or doctors with heart pacemaker are forbidden to use this equipment. The heart disease patients, pregnant women and children should be cautious to use the equipment. Sterilization Sterilizing sealed handpiece Handpiece can be sterilized by any neutral sterilized liquid for cleaning and sterilizing. Do not sterilize in the high temperature and pressure. Sterilizing detachable handpiece 7.2.1 Precautions a) Please pay attention to the handpiece during the process of operation and sterilization to see whether it is externally broken. No protective oil is allowed to be painted on the handpiece.