Fig. 2From: Efficacy and safety of 5% lidocaine patches for postoperative pain management in patients undergoing unilateral inguinal hernia repair: study protocol for a prospective, double-blind, randomized, controlled clinical trialLocation of the patch. Irrespective of the type of patch used (5% lidocaine or placebo), one patch will be applied 1 cm above and another 1 cm below the surgical woundBack to article page