Cook® Sialendoscopy Dilator Set Product Information Once you establish access using the Cook soft-tip wire guide, a series of flexible dilators can be introduced over the wire to easily expand the papilla and prepare the salivary duct for the introduction of procedural instruments. Related products Add to cart Cook® Chiba Echotip® Biopsy Needle $0.00 Add to cart Cook® Doppler Blood Flow Monitor $0.00 Read more Cook® Sialendoscopy Kolenda Introducer Sheath Read more Cook® Sialendoscopy Wire Guide Read more Medasil Bite Guards