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.
Early Life. Born on Dec. 5, 1782, in the village of Kinderhook, N.Y., Van Buren was the son of a farmer and tavern keeper (and owner of six slaves) whose forebears had come from Holland 150 years before. Dutch was still spoken in his home and English was not his first language. Martin worked on the farm and attended local schools.