use for joint operation,it can acomplish the joint operation with the sagittal saw 
1.High concentricity ensure the precision of polishing acetabulum in Hip or Joint operation 2.Can be sterilized up to 135℃ with 20 minutes ,win more valuable time for patients and hospital 3.One year Warranty,life long Maintenance 4Gear box of high precision reducing noise and making more stable performance in clinical case