A packing device for use in endoscopic operative procedures is formed of an elongate strip of absorbent, preferably expandable material having a rigid, dry state of a size to permit passage through a narrow endoscopic portal to an internal operative site and having a soft wet state when body fluids are...http://www.google.de/patents/US5074840?utm_source=gb-gplus-sharePatent US5074840 - Packing device and method of packing for endoscopic procedures
