A surgical instrument may include a housing, a first actuation member configured a coupler operatively connected to the first actuation member for imparting a reciprocating action to a portion of the instrument, a second actuation member configured for imparting a rotational action to a portion of the instrument, a first cannula operatively connected to the second actuation member, such that the first cannula is configured for rotational movement with respect to the housing, and a wire member at least partially disposed within the first cannula and fixed to the coupler, the wire member configured to rotate and reciprocate with the coupler.
