Portable surgical bone saw

A portable surgical bone saw includes a hand-held motor, a connector, a driver and a swing saw, and the motor shaft end is connected with one end of the connector, the other end of the connector is connected the driver, the swing shaft of the drive is connected with the swing saw. Sawteeth are arranged at the end of the swing saw. The saw has a simple structure and low price; the connector is removable and can be easily connected with the card heads of driller, expander and file that have the same connector and is used in the surgery, achieving multifunction; the saw powered by battery is applicable to the occasions without city electricity in the field and is addressed to surgery in the field conditions and unexpected events; the saw has small size, easy operation, high efficiency and less pain.