开胸组合2为12V电池供电方式，具有胸骨锯、翻修胸骨锯功能，转速为0-20000rpm/min。

胸骨锯、翻修胸骨锯频率为0-10000time/min

充电电池安全可靠，使用时间长，临床使用不受电缆限制，操作方便。

Chest combination 2 for 12V battery power supply,with sternum saw,renovation sternum saw function.Speed for 0-20000rpm/min.

Sternal saws,overhaul sternal saws for 0-10000times/min.

Rechargeable battery safe,reliable,and long service life,the clinical use is not limited by the eldctric cable,easy to operate.