Colonoscope: for endoscopy and endoscopic surgery within the lower digestive tract (including the anus, rectum, sigmoid colon, colon and ileocecal valve). Model Numbers: CF-2T160I, CF-2T160L, CF-H170I, CF-H170L, CF-H180AI, CF-H180AL, CF-H180DI, CF-H180DL, CF-H190I, CF-H190L, CF-HQ190I, CF-HQ190L, CF-LV1I, CF-LV1L, CF-Q150I, CF-Q150L, CF-Q160S, CF-Q180AI, CF-Q180AL. 510(k) Numbers: K954451, K112680, K100584, K051645, K111756, K001241, K911278.