A surgical forceps, the forceps comprising a housing having at least one shaft attached thereto, the shaft having an end effector assembly disposed at a distal end thereof, the end effector assembly including first and second jaw members (110, 120) disposed in opposing relation relative to one another, at least one of the jaw members (110, 120) moveable from an open position to a closed position for grasping tissue therebetween,: the jaw members (110, 120) including at least one sensing component (114, 124) that determines an output of at least one of cross-sectional diameter and composition of tissue disposed therebetween; a processing component configured to receive the output from the sensing component (114, 124) and determine a seal pressure for adequately sealing tissue disposed between the jaw members (110, 120) based upon the output; a handle assembly including a fixed handle and a movable handle coupled to the end effector assembly, the movable handle movable between a first position and a second position for moving the at least one jaw member between the open position and the closed position; and a regulating component in communication with the processing component, the regulating component configured to regulate movement of the jaw members (110, 120) such that when the jaw members (110, 120) are moved from the open to the closed position, the determined seal pressure is applied to tissue disposed therebetween, wherein the regulating component is an electromechanical component or a mechanical component configured to define a specific range of motion, dependent on the determined seal pressure, of the movable handle with respect to the fixed handle, wherein the movable handle and a drive assembly cooperate to impart movement of the jaw members (110, 120) from the open to the closed position, whereby defining the specific range of motion of movable handle allows the determined seal pressure to be applied to tissue disposed between jaw members (110,120). the jaw members (110, 120) including at least one sensing component (114, 124) that determines an output of at least one of cross-sectional diameter and composition of tissue disposed therebetween; a processing component configured to receive the output from the sensing component (114, 124) and determine a seal pressure for adequately sealing tissue disposed between the jaw members (110, 120) based upon the output; a handle assembly including a fixed handle and a movable handle coupled to the end effector assembly, the movable handle movable between a first position and a second position for moving the at least one jaw member between the open position and the closed position; and a regulating component in communication with the processing component, the regulating component configured to regulate movement of the jaw members (110, 120) such that when the jaw members (110, 120) are moved from the open to the closed position, the determined seal pressure is applied to tissue disposed therebetween, wherein the regulating component is an electromechanical component or a mechanical component configured to define a specific range of motion, dependent on the determined seal pressure, of the movable handle with respect to the fixed handle, wherein the movable handle and a drive assembly cooperate to impart movement of the jaw members (110, 120) from the open to the closed position, whereby defining the specific range of motion of movable handle allows the determined seal pressure to be applied to tissue disposed between jaw members (110,120).