Description
A cannula is a small, thin tube that is inserted into a vein, artery, or body cavity. It is used to administer medication, fluids, or oxygen to a patient, or to remove fluids, such as blood or cerebrospinal fluid, from the body.
Cannulas come in different sizes and styles, depending on their intended use. They can be inserted into veins for administration of fluids, medication, or blood products, or into arteries for monitoring blood pressure or for performing angiograms. They can also be inserted into body cavities, such as the bladder, for drainage.
The most common type of cannula is the intravenous cannula which is used to administer fluids and medications into a vein. The most common type of cannula for oxygen administration is the nasal cannula.
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