70
Participants
Start Date
January 31, 2012
Primary Completion Date
January 31, 2013
Study Completion Date
January 31, 2013
echogenic needle and catheter
Visibility of needle shaft and tip with engraved markers. Ultrasonographic Visibility of catheter tip
Neurostimulation to position needle and catheter
The non echogenic needle will be positioned using ultrasonography and neurostimulation and the catheter will be positioned using neurostimulation with plantar or dorsiflexion with 0.6-1.5mA current. 20mL of 2% mepivacaine will be injected via the catheter. Sensory motor block will be evaluated every 5 minutes for 30 mins
London Health Sciences Centre University Hospital, London
The Physicians' Services Incorporated Foundation
OTHER
London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
OTHER