The treatment, also known as a platelet-rich plasma (PRP) injection, sees a patient injected with samples of their own blood that have been fed into a centrifuge to filter out protein-rich plasma.The treatment, also known as a platelet-rich plasma (PRP) injection, sees a patient injected with samples of their own blood that have been fed into a centrifuge to filter out protein-rich plasma.Read MoreHealth News | Mail Online