Linkage assembly for reusable surgical handle assemblies

A handle assembly, comprising:

• a housing defining a longitudinal axis;
• a trigger operably coupled to the housing and movable to cause actuation of the handle assembly;
• a drive member movable within the housing from an initial position to an advanced position in response to actuation of the trigger;
• and
• a linkage assembly operably disposed between the trigger and the drive member to move the drive member from the initial position to the advanced position, the linkage assembly including first, second, and third linkage members, the first linkage member being pivotally secured to the trigger on a first end and to first ends of the second and third linkage members on a second end, the second linkage member being pivotally secured to the drive member on a second end, and the third linkage member being pivotally secured to the housing on a second end.