Adhesion barriers can be based on numerous substances. In the rat Optimized Peritoneal Adhesion Model (OPAM) the starch-based hemostats 4DryField and Arista were tested for their capability to act in a preventive manner against adhesion formation (applied as a powder that was mixed in situ with saline solution to form a barrier gel). | Comparison of adhesion prevention capabilities of the modified starch powder-based medical devices 4DryField® PH and Arista™ AH in the Optimized Peritoneal Adhesion Model