A flexible holder and clamping assembly for adjustably holding cystoscopes or other endoscopic instruments and retractors or the like adjacent to or on an examination tables or the like is equipped with a unique clamping assembly which permits the holding of various sized instrument shafts. The clamping...http://www.google.co.uk/patents/US4867404?utm_source=gb-gplus-sharePatent US4867404 - Flexible holder for a cystoscope or the like