Bone Reactors are a kind of Surgical Instrument that is used by surgeons to separate the edges of wound or used to hold back the underlying organs as well as tissues. These are available in a large variety of styles, sizes, and shapes. Basically, it is a kind of handheld steel tool having a curved, hooked, or angled blade equipped with the comfortable handle. It maintains a desired location on the tissue owing to handheld facility. The Self-retaining Bone Reactors do not require to be held once insertion is made with more than one opposing blades or hooks that are separated through spring or any other technique to extract the opposite sides of the wound.