#$%^&*AU2006201563B220120809.pdf#####ABSTRACT In one preferred aspect, a set of interlocking instrument handles is provided that permits a user to directly engage a locking element to releasably lock. one instrument to another instrument. In another preferred aspect, a locking collar is provided for locking instrument handles to one another. In a further preferred aspect, a method is provided for locking instrument handles to one another.4/6 CZ)N 15~