Suggest Treatment For Diabetic Foot Ulcers

Sir, my father suffering from diabetic foot ulcer and removed toe on Dt 19 Sept-2010 for right leg , but it is increasing day by day and again surgery done on 11-Oct-2010 at kakinada, AP, by Plastic surgeon. Doctors told that blood circulation for right leg was very poor so it is increasing, now it effected to foot bones and another finger also, doctor told that now effected area have to remove on monday. Now he is on tablets prscribed by the doctor. kindly suggest to save my fathers leg & life