Advantage of nerve block puncture needle

Good preoperative and postoperative analgesia;

The intraoperative bleeding was less and the cardiovascular condition was stable.

Nausea, vomiting and delirium occurred less;

Reduce the interference to immunity;

Conducive to early postoperative activity;

Does not affect gastrointestinal tract function;

Reduce deep vein thrombosis;

Does not affect the urethral function;

High-risk patients who should not be subjected to general or spinal anesthesia;