Sacral block is a technique of local anesthesia in the epidural space at the sacral vertebrae. The procedure of performing sacral block is not too complicated and quite safe, and can be indicated for both infants and children.

Brachial plexus anesthesia is a new technique and has not been widely applied. However, thanks to the application of ultrasound, the technique allows doctors to clearly see the neurovascular structure in the brachial plexus and neighboring tissues, ensuring accurate anesthesia and avoiding unnecessary complications.