Smiths Medical Bivona� Tts Cuffed Silicone Tracheostomy Tubes Each 67P055 by Smiths Medical ASD GROUP: Surgery/Minor Procedure:Tubes/Airways:Tracheostomy Item Description: Trach Tube, Pediatric, Cuffed, V-Neck Flange, 5.5mm ID x 8.0mm OD x 46.0mm L Packaging Desc: Tube Tracheostomy Cuffed Ttsped V-Neck 5.5Mm Country of Origin: Harmonized Tariff Code: Product Description: TTS� (Tight-To-Shaft) tubes have the profile of an uncuffed tube with the insurance of a cuff, if and when needed. Available in both neonatal and pediatric sizes. It is like an uncuffed tube, but it has a cuff. When completely deflated, it collapses tight to the shaft of the tube.