Assembly used for jejunal aspiration. (a) jejunal aspiration catheter with inner tube housed inside the outer tube. The tip of the outer tube is closed with a rubber obturator. (b) Note that the rubber obturator has been dislodged after inner tube has been pushed to come out from the tip of the outer tube. (c) Robertson's cooked meat media used to transport jejunal aspirate for anaerobic culture. (d) Sterile tube used to transport jejunal aspirate for aerobic culture.