Abstract
To provide an overview of venous access device designs and methods of insertion and removal. Venous access devices are indicated for many patients who require reliable long-term venous access. Three types of venous access devices are available including nontunneled, tunneled, and implanted ports. Since their introduction into clinical practice, the widespread use of these devices has had an enormous impact on cancer treatment by decreasing the overuse of peripheral veins while allowing for more flexibility and choice of the type of device used. Although numerous devices are available, each offers unique designs and performance expectations. Each type of device has similar features and can be used for intravenous drug and nutritional therapy, administration of blood products, and withdrawal of blood. Even if only a single device is used in a given setting, the nurse must have a basic understanding of all types of venous access devices. It is imperative that the nurse be fully cognizant of the anatomic position and structure of the major vessels associated with the central venous system, especially for the insertion of peripheral central catheters. Understanding the venous system and venous access design can assist in preventing or assessing potential complications.
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