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1. A tissue dissecting device adapted for harvesting of a blood vessel, comprising:
a dissector unit, comprising:
first and second pairs of jaws, each of the first and second pairs of jaws including a jaw base having first and second end portions, a superior jaw, a pivot pin, and an inferior jaw, the superior jaw being attached to the first end portion of the jaw base, the pivot pin pivotably connecting the inferior jaw to the second end portion of the jaw base, and at least one of the superior jaw and the inferior jaw comprises at least one ultrasonic blade or at least one electrocautery blade and wherein a relative placement of the first and second pairs of jaws is adapted for dissection of a blood vessel,an arm having an end portion,a bridge connecting the first and second pairs of jaws, the bridge including a horizontal adjustment mechanism configured to control the distance between the first and second pairs of jaws according to a size of a pedicle from the dissection, andat least one moveable joint moveably connecting the bridge to the end portion of the arm such that the first and second pairs of jaws have at least two degrees of freedom with respect to the arm, andat least one manual operator handle configured to pivot the inferior jaw relative to the jaw base; a controller operatively connected to the dissector unit for controlling operation of the at least one ultrasonic blade or the at least one electrocautery blade.
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