Medically, what is the nerve block needle technique?

Nerve block under anesthesia. Or chemical or certain physical factors can temporarily or permanently eliminate neurological function. Include local anesthesia, such as the use of drugs. In fact, this is also similar to local anesthesia of nerve areas. It is also a nerve block, permanent destruction of nerve roots by chemicals, or even physical anesthesia. For example, complete physical cutting of nerve roots, such as thermal radiofrequency and microwave, is classified as nerve block. The main purpose of its treatment is to relieve the pain of the patient, which cannot be controlled through the use of drugs.