purchase of surgical consumables((SUI) SLING-MESH STRIP/TOT TAPE (FREEDOM-VM) ABDOMINAL DRAIN KIT NO.10 ABDOMINAL DRAIN KIT NO.12 ABDOMINAL DRAIN KIT NO.14 ABDOMINAL DRAIN KIT NO.16 ABDOMINAL DRAIN KIT NO.18 ABDOMINAL DRAIN KIT NO.20 ABDOMINAL DRAI