Cervical plexus block anesthesia needle

Brachial plexus: Now commonly used is the intermuscular sulci block method, if you are not very familiar with, it is best to find the strange feeling first, have the strange feeling after pushing medicine, this effect is more exact: when you are experienced, you can not find the strange feeling, directly play, but this effect can not be completely guaranteed. After the intermuscular groove into the needle, the tip of the needle should be to the opposite direction of the nipple to explore the sensation, so it is relatively easy.