Evaluation of the Effect of Biofiller PRP Application on Knee Osteoarthritis

Ten ml of the patient's blood was drawn in a syringe pre-filled with 1 mLacid citrate dextrose(anticoagulant). It wascentrifuged firstat 3500 rotations per minute (RPM)for 15 min and thenat 1500 RPM for 5 min. The upper part,i.e.,platelet-poor plasma (PPP) waswithdrawn in a 5 mL syringe. PPP wasincubated in hot water at 100a °C for 5 min and then cooled in a refrigerator for 5 min.The PRP injection was performed in a standardized manner and injected into the IA surface of the affected knee joint