A reciprocating saw is recommended for use in primary sternotomies. However, a different saw is more effective for revisions. Choose the DBX-170. This handheld oscillating saw works well for revision sternotomies, and provides a variety of different features. This includes a quick change sternum guard and ergonimcally designed handles to enhance comfort and improve functionality. For safety reasons, the entire DBX-170 is able to be sterilized, and has a quick action safe locking mode and a twist lock blade, to prevent it from turning on at the wrong time.