Assertion: lumbar plexus | /r/AtLocation | a depth of 25 mm
Facets:
Source sentences:
text: The landmarks and technique used as well as the follow-up of this patient were the same as those described in the first case, except that (1) an insulated 18-gauge, 25-mm Sprotte needle was used; (2) the lumbar plexus was found at a depth of 25 mm; (3) a test dose of 2 ml was used, followed by the injection of 6 ml of the same mixture for a total volume of 8 ml; (4) the 20-gauge Stimulong plexus catheter was introduced 3.5 cm at the skin; and (5) 0.2% ropivacaine was infused at a rate of 2 ml/h.