Yes According to the battery regulations of the sternum saw, the parameters of the sternum saw show that the battery weight is less than or equal to1.5g. The unsterilized battery is adopted, which prolongs the service life of the battery and reduces the use cost. The electric sternum saw is an electric tool for sawing ribs in surgery, which is suitable for the operation through the median sternotomy and can fully expose the lower neck and chest. Such as substernal goiter, mediastinal tumor and open heart surgery.