Review Article

Platelet Rich Plasma and Knee Surgery

Figure 2

Platelet rich plasma protocol. Obtaining platelet rich plasma involves the extraction of a small volume of blood from the patient, its centrifugation to fractionate the blood, and the separation of platelet rich fractions (F1 and F2) (a). After activation of PRP fractions with calcium chloride, various formulations including liquid, clot, and membrane (b) can be obtained.
890630.fig.002a
(a) PRP preparation
890630.fig.002b
(b) PRP different formulation