Cannula: An Essential Medical Device for Fluid Administration and Blood Draws

What is a Cannula?

A cannula is a thin tube inserted into the body, usually into a vein or artery, in order to administer medication, fluids, nutrition or blood transfusions. It is a medical device commonly used in hospitals for patients who need continuous or frequent infusions over a period of time. Cannulas come in various sizes depending on where they will be placed in the body and the purpose for which they will be used.

Types of Cannulas

There are different types of cannulas designed for specific uses:

Intravenous Cannula (IV Cannula):
An intravenous cannula, commonly called an IV is the most commonly used type. It is a short, thin, flexible plastic tube inserted through the skin into a peripheral vein, usually in the arm or hand, to deliver fluids, medications, blood products and nutrients intravenously.

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