Powered surgical instrument

摘要

A powered surgical instrument (100) including: a housing (110); an endoscopic portion (140) extending distally from the housing (110) and defining a longitudinal axis A-A extending therethrough; an end effector (160) disposed adjacent a distal portion (142) of endoscopic portion (140) and defining a longitudinal axis B-B extending therethrough; a drive gear (200) or drive member; a drive motor (210) and a shift motor (220) or a three-position solenoid; a battery (400); and a digital control module (DCM) connected to the shift motor (220) and/or the drive motor (210) configured and arranged to monitor the battery (400) impedance and/or voltage and/or temperature and/or current draw of the powered surgical instrument (100).