Platelet-rich plasma injections is one of the newest and most exciting type of treatments now available within the Orthopaedic field. Using the patient’s own blood to minimize any adverse effects, and selectively choosing the blood components to inject to the affected area PRP can aid recovery and promote self healing. The key step of this procedure is the selection of blood components. This selection process is done with a centrifuge machine which spins the blood at high rates to separate the components.