Cannulation. Cannulation is the process of inserting a tube (cannula) into a passage, duct or cavity to supply or withdraw material or data. In medical dictionary, cannulation is a process used to deliver or remove body fluids under various medical conditions, like withdrawing blood for sampling. Effective needle length is extended by half the length of the original needle in cannula by surrounding either the inner or outer surfaces of a trocar needle.
Van Buren, AR. Van Buren ( /vÃ¦n bjÊÉrÉn/) is the second largest city in the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area and the county seat of Crawford County, Arkansas, United States. The city is located directly northeast of Fort Smith at the Interstate 40 - Interstate 540 junction.
Martin Van Buren was born on December 5, 1782, in the village of Kinderhook, New York about 20 miles (32 km) south of Albany on the Hudson River. Van Buren was the first President not born a British subject, or even of British ancestry.