[A flexible Russian sigmoidoscope with fiber optics]. / Gibkii otechestvennyi sigmoidoskop s volokonnoi optikoi

A brief characteristics of endoscopes manufactured by the leading specialized firms is given. At the same time optical and mechanical systems of the Soviet-made sigmoidoscope, model CBO-1, an apparatus equipped with fibrous optical elements for transmission of ligh and image, now in batch production, are described. Data derived from a comparative investigation of the resolving power of the CBO-1 unit and of the analogous devices manufactured by the firm "Olympus" are presented.