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A small tube that can be inserted into a body cavity, duct, or vessel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a hollow tube with a blunt end designed for intro-ducing into the human (or animal) body drugs or X-ray contrastmedia, restoring the patency of the respiratory tract, or with-drawing fluids from the body cavities. It is also used for anatomi-cal, pathologicoanatomic, and laboratory studies. Cannulas aremade of metal, glass, or plastic.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Smith and Schoch (2016) detailed that their training program took longer than anticipated, some staff were averse to change and outcomes for the use of plastic cannulae, in this early stage, were positive.
Once the training program was completed, and considering that published data up to this point were only related to initial introduction of plastic cannula into renal units (Letachowicz et al., 2015; Smith & Schoch, 2016), it was of interest to investigate the hypothesis of whether there was an improvement in the number of miscannulations, aborted dialysis sessions and adverse events, between the 16-month time period following the completion of staff training and the 16-month time period prior to the introduction of plastic cannulae (Figure 1).
These data were then compared with the 16-month period prior to the introduction of plastic cannulae when only metal needles were available to use on new AVFs.
Infection is a common complication of intravenous cannulation, yet the mechanisms whereby microorganisms colonize these cannulae remain uncertain.
A 2.0 cm of tip of removed cannulae was cut off into a sterile container using sterile scissor and transported immediately to laboratory for culture.