The purpose of this Pilot clinical study is to make a preliminary clinical and procedural assessment of the treatment of chronic venous stasis ulcers with Autologous Platelet Gel. The information and knowledge gained in the Pilot Study will be used to refine the Investigational Plan under which a Pivotal Clinical Study will be conducted. One of the advantages of conducting a pilot study is that it might give advance warning about where the main research project could fail, where research protocols may not or cannot be followed, or whether proposed methods or instruments are inappropriate or too complicated to achieve the expected clinical outcomes. The Pilot Study will provide preliminary data with which to: