A handheld reciprocating surgical instrument may be an electronically actuatedreciprocating surgical instrument. Theactuation may be provided by a magnetic drive unit. The magnetic drive unitmay be a voice coil actuator (VCA). The magnetic driveunit may include positional feedback to enable positional control of a cutterelement. In this manner, port-based flow control may beused to more precisely control movement of the cutter element.
