12 Ambulances; tracks for positioning and securing ambulance cots to the interior of an ambulance, sold as an integral component of ambulances; charging stations for use in charging powered ambulance cots, sold as an integral component of ambulances; medical patient treatment chairs, sold as an integral component of ambulances; medical patient treatment chairs equipped with springs to facilitate movement of the chair, harnesses to secure the occupant, and clips and docking stations for securing medical equipment and tablet computers to the chair, sold as an integral component of ambulances; adjustable chairs specially designed for movement along a track affixed to the interior of an ambulance, and sold as an integral component thereof, for use by medical personnel to gain access and administer medical attention to a patient; chairs for use by medical personnel within an ambulance, and sold as an integral component thereof, equipped with storage compartments and extensible trays for storage of medical equipment, medical supplies and a computer, and for use in making medical equipment, medical supplies and a computer available to medical personnel during treatment of a patient; stowable beds sold as an integral component of an ambulance, which are equipped with restraints and are adjustable to a chaise lounge or to two independent seats, for use in accommodating and treating patients or accommodating medical personnel; foldable jump seats sold as integral components of an ambulance; tracks and mobile support beams sold as integral components of an ambulance, for use in positioning chairs for use by medical personnel in the administration of medical attention to patients within an ambulance; restraints for securing medical personnel to chairs and jump seats within an ambulance, sold as an integral part thereof; adjustable tracks and brackets for use in securing seats, beds, ambulance cots and medical equipment to the interior of an ambulance, sold as an integral part thereof; rails with integral electrical wiring and electronic cables for use in positioning and suspending medical patient treatment chairs aboard ambulances, sold as an integral component of ambulances; rails with integral electrical wiring and electronic cables specially adapted for use in positioning and suspending medical patient treatment chairs aboard ambulances; electronic, motorized docking stations for ambulance cots, used to position the ambulance cot, to supply power to the ambulance cot and to collect data regarding the location, position and use of the ambulance cot and equipment attached to the ambulance cot, sold as an integral component of ambulances; mounting devices and racks with integral data and power conduits, for use in securing medical equipment aboard ambulances and for transmitting data regarding the location, use and condition of such equipment, sold as an integral component of ambulances; roof-mounted equipment stations with integral electrical wiring, light fixtures, USB data ports, cameras, tubing for dispensation of oxygen, and oxygen masks, sold as an integral component of ambulances