Symptomatic treatment of intermittent claudication in chronic obliterating artheriopathies of the lower limbs. Symptomatic management of cognitive pathological & chronic neurosensorial deficit in the elderly w/ Alzheimer's disease & other dementia. Secondary treatment of losses in auditive acuity & certain syndromes of vertigo &/or tinnitus presumed to be of vascular origin; losses in acuity & troubles of visual field presumed to be of vascular origin. Disturbances in skin circulation.