A modular blood filter device and delivery system, comprising an arterial cannula with a modular filter device. The machine contains an ink jet printer for printing the documents and a bar code reader mounted for movement with the print head of the printer for reading bar codes on each document before or during printing. The conversion of products that have a boiling point of less than 150\xb0 C. A list of viable handoff terrestrial cell site candidates is then calculated based on the beam pattern, the location and heading of the airplane, the locations of respective beams transmitted from the airplane based on airplane flight pattern data, and the locations of respective cell sites. Additionally, methods for manipulating a spinal construct are also provided herein. A protective cover may be secured to the exterior of the continuous rigid structure for protecting the contained materials against the elements.