The PENTAX EC-2990Li UltraSlim Colonoscope is a small diameter specialty colonoscope for use in patients with smaller anatomy (e.g. children, smaller women) or conditions that cause difficulty of complete rectum-to-cecum procedure due to inflammation, obstructions or strictures in the colon (e.g. diverticulosis, post-operative adhesions). The EC-2990Li UltraSlim features a 29f insertion tube diameter, 2.8mm working channel and 3-100mm near-focus depth of field. As the newest addition to the PENTAX 90i-series colonoscopes, the EC-2990Li UltraSlim is designed with the best-in-class imaging, innovative technology and productivity efficiency solutions.