Why Was The Supraclavicular Brachial Plexus Block Anesthetic Puncture Needle Chosen Above The Midpoint Of The Clavicle?

Hello! You asked very professional, brachial plexus block, supraclavicular subclavian and axillary way three approaches, the supraclavicular position is relatively easy to operate, the anterior middle scalenus into the needle, pay attention to withdrawal, so as not to enter the vascular poisoning, the ulnar side is not very ideal, easy to puncture the pleura, block the sympathetic nerve!