Four also have technical limitations such as blood vessel poked, stroked in along side the lung apex; nerves crippled the membrane generate life threatening respiratory distress ...Therefore, they should use ultrasound, nerve stimulator (worth $ 45,000).So, we conduct research-anesthesia techniques improved in the following points:1. to improve the injection-site to actively avoid nerves, and put the entire anesthesia on how the brachial plexus ... to infuse anesthetic drugs on the whole in the sheath of the brachial plexus (from: C5, 6, 7, 8 and T1) & T.I. and "nerve" of the "deep cervical Plexus (DCP).2. improve anesthetic doses and injecting anesthesia into the nervous zone on the collarbone (which includes the cervical vertebra C3 and C4).
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