US Patent 9486288 Cable tensioning in a robotic surgical system

An apparatus, system, and method for setting, maintaining, and adjusting a cable tension in a telerobotic surgical system are provided. A cable tensioning apparatus includes, in one example, an arm, a pulley rotatably coupled to the arm, and a base operably coupled to the arm, the base including a translation mechanism for changing the position of the pulley to control a tension of a cable movable along the pulley. A termination block includes, in one example, a block including two cable pathways with each cable pathway having a retaining means for a ball fitting, and a support for moving a cable along the two cable pathways, the cable including a ball fitting in each of the cable pathways.