An external skeletal fixator, or ESF, is a type of device used in veterinary surgery to stabilize bones and tissues during the healing process. It is a type of external fixation, which means that it is placed outside of the animal’s body and holds the bones or tissues in place without being implanted directly into the body.

An ESF typically consists of a set of pins that are inserted into the bone near the area that needs to be stabilized. These pins are then connected to a metal frame or bar outside of the animal’s body, using special clamps or other connecting devices. The frame or bar provides the necessary support and stability to hold the bones or tissues in the correct position, allowing them to heal properly.

ESFs are commonly used in veterinary surgery to treat a variety of conditions, including fractures, dislocations, and injuries to the spine or other large bones. They are particularly useful for stabilizing complex or multi-fragment fractures.

Compared to other types of fixation devices, ESFs have several advantages. They are relatively easy to apply and adjust, and can be removed once the healing process is complete. They also allow the animal to move and bear weight on the affected limb or body part, which can help to prevent complications such as muscle atrophy or joint contractures.

Overall, external skeletal fixators are an important tool in veterinary surgery, providing the necessary stability and support to help animals heal from complex or serious injuries.