Fig. 1From: A filled chocolates technique to seal negative-pressure wound therapy around external fixation devices: a randomized controlled trialAn operation process using the filled chocolate sealing technology: A External fixation bracket installation after wound debridement. B Sealing of the VSD semi-permeable membrane after suture placement. C Sterile bone wax creating a tight seal around the needle track and semi-permeable membrane. D Colostomy paste spread evenly around the bone wax structureBack to article page