laparotomy pad

n.
  1. A pad made from several layers of gauze folded into a rectangular shape and used especially as a sponge for packing off the viscera in abdominal operations.abdominal pad
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.