application of the topical hemostatic agents microfibrillar collagen hemostat ( avitene ) , oxidized cellulose ( surgicel ) , and absorbable gelatin sponge ( gelfoam ) to the periureteral regions in dogs did not incite an adverse inflammatory or fibrotic reaction when used in standard , recommended fashion .
C0017238
absorbable gelatin sponge
C0918040
gelfoam