It is mandatory to insert the needle with in-plane technique for the supraclavicular brachial plexus block in order to minimize the risk of pneumothorax
The needle is inserted with in-plane technique. The fascicular profiles (black profiles) are meticulously avoided by the needle tip. The needle is advanced under the neural epineurium. SA = subclavian artery, asterixs = divisions of the brachial plexus, LA = local anesthetic.
