Abstract: A sterile packaging assembly for transporting interventional devices to a robotic surgery site includes a sterile barrier having a hub support portion and configured to enclose a sterile volume; and at least a first interventional device within the sterile volume. The first interventional device includes a hub and an elongate flexible body. The hub includes at least one magnet and at least one roller configured to roll on the hub support portion of the sterile barrier.

Abstract: A key wrench for turning a valve cross head at a bottom of a stop box of water supply service line toward a house, the wrench including a tubular opening therethrough for a line of sight to the crosshead, electric lamps near the wrench jaws so to light up the cross head, and a magnifying unit on the wrench for enlarging the crosshead view.