Shiley Non-Cuffed Tracheostomy Tubes. Disposable Cannula Cuffless Tracheostomy Tube (DCFS) provides the convenience of a Disposable Inner Cannula for a wide variety of applications. Disposable Inner Cannula (DIC) with integral 15-mm snap-lock connector for quick and safe disposal after a single use. Smooth, rounded-tip obturator facilitates insertion. Disposable Decannulation Plug (DDCP) closes the proximal end of the to permit breathing through the upper airway. Available in sizes 5mm – 10mm. Cuffless.