Fig. 1From: Ultrasound-guided continuous femoral nerve block: a randomized trial on the influence of femoral nerve catheter orifice configuration (six-hole versus end-hole) on post-operative analgesia after total knee arthroplastyPatient flow through the study. One patient1 in the end-hole group had incorrect programming of the study pump. Three patients2 in the end-hole group and four patients in the six-hole group experienced catheter dislodgment on day of surgeryBack to article page