External Fixator: Care of Your External Fixator Download PDF, 2.0MB, PDF An external fixator is a device that helps to keep a particular part of your body in place. It is worn outside of the body and it is called a fixator because it is connected to your bones with bone screws, also known as pins or strong wires. This ensures that your bone will be held in place and the fixator is secure. Read on to learn more about: The different types of external fixators Things to take note during pre-surgery and post-surgery How to take care of your external fixator [Please download the PDF file if you are unable to view the image below.]