Study of Hemospray for Lower Gastrointestinal Hemorrhage

Inclusion Criteria: * Patient in which Hemospray is used to treat an endoscopically confirmed nonvariceal lower GI bleed requiring hemostasis Exclusion Criteria: * Less than 19 years old * Unwilling or unable to sign and date the informed consent * Pregnant, lactating or planning to become pregnant within 30 days of the procedure * Contraindicated to undergo colonoscopy Medical/Endoscopic Exclusion Criteria * Actual or suspected lower GI perforation or fistula * Bleeding originating from inflammatory bowel disease (e.g., Crohn's disease or ulcerative colitis) * Actual or suspected ischemic colitis or infectious colitis * Unable to visualize site of active bleeding (such as suspected diverticular bleed where source is unable to be identified) * Unable to treat active site of bleeding (e.g., bleeding site cannot be reached by the colonoscope)