A surgical device adapter for coupling an end effector to a handle assembly is disclosed. The surgical device adapter includes: a housing including a proximal end couplable to a distal end of a handle assembly and a drive coupling assembly selectively couplable to the handle assembly, the drive coupling assembly including a lock assembly having a pair of spring-loaded, opposing buttons movable from a clamped configuration in which the pair of opposing buttons are engaged to the distal end of the handle assembly to an unclamped configuration in which the pair of opposing buttons are disengaged from the distal end of the handle assembly.
