Background and Aims: An effective bowel preparation is essential for quality colonoscopy. Inadequate preparation results in missed lesions, need for earlier repeat procedures, prolonged colonoscopy duration, an increased likelihood of adverse events, reduced patient satisfaction, and increased costs. The MOTUS GI Pure-Vu System (Tirat Carmel, Israel) is an Food and Drug Administration-cleared device designed to improve visualization in an inadequately prepared colon by facilitating intraprocedural cleaning. We evaluated the efficacy, safety, and usability of the Pure-Vu System in cleansing poorly prepared colons in human subjects. Methods: In total, 50 patients with poorly prepared colons undergoing colonoscopy were prospectively enrolled to evaluate the Pure-Vu System at 2 clinical sites [Spain (N=41) and Israel (N=9)]. Cleansing quality was measured using the Boston Bowel Preparation Score (BBPS). Results: In total, 50 patients (64% male individuals), mean age 51.9±10.4 years, and mean body mass index of 26.6±3.1 were enrolled. The Pure-Vu System significantly increased the BBPS median score from 5.0 at baseline to 9.0 after the use of Pure-Vu (P<0.0001). Patients with an adequate cleansing level (BBPS≥2 in each colon segment) increased significantly from 31% (15/49) at baseline to 98% (48/49) after use of Pure-Vu (P<0.001). Cecal intubation was achieved in 48/49 (98%) patients. Colonoscopists were satisfied with the Pure-Vu System. No serious adverse events were reported. Conclusions: The Pure-Vu System was found to be safe, efficacious, and easy to use in cleansing inadequately prepared colons, enabling the colonoscopist to conduct a complete examination.

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