The difference between puncture needle surface anesthesia and infiltration anesthesia

Injecting anesthesia into the epidural space is an epidural block (also called epidural anesthesia), which is one of the types of spinal anesthesia!

Spraying anesthesia on the dura mater is a topical anesthesia!

General local anesthesia is called infiltration anesthesia (after injection into the soft tissue, the infiltration and diffusion of the anesthetic produces anesthesia effect!!

I've been an anesthesiologist for years! !

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