[Sciatic nerve block in the popliteal fossa]

A technique of sciatic nerve block in the popliteal fossa, for operations on the foot and the ankle is described. It is obtained in the patient in prone position with a 12 cm long and insulated 22 G needle, connected to a nerve stimulator. The latter increases the rate of success and acceptance by the patient. This technique was used in 1000 patients between 16 and 88 years of age without any significant complication.