Interventional Pain Management Physicians, PM&R's, Radiologists, and Anesthesiologists use Nerve Block Procedural Trays with Quincke Procedural needles when administering Interventional Pain Management injections. Quincke Nerve Block Procedural Trays and Quincke AccuTrays contain various quantities, gauges and lengths of Quincke Procedural needles depending on a physician's preference and the specific procedure being performed. Clint Pharmaceutical's Quincke Nerve Block and Quincke AccuTray line include seventeen different tray component variations.