Abstract: An atherectomy system includes an atherectomy burr having one or more blood flow enhancement features that permit an increased level of blood flow past the burr relative to a blood flow that would result absent the one or more flow enhancement features. A drive mechanism is adapted to rotatably actuate the atherectomy burr.

Abstract: A luggage and case caddy is provided. In an implementation, a wheeled suitcase has a telescoping base frame that extends at length to carry additional luggage, with extending wheel support. The telescoping base frame that provides the extended carrying cart can retract back into the base of the wheeled suitcase. In another implementation, the extended cart folds up against the side of the suitcase. In either implementation, the apparatus can be converted between a single wheeled suitcase with pulling handle, or an extended cart, with pulling handle, for carrying multiple pieces of luggage and belongings.