Tracheostomy TubesDiscussion | 合法醫療器材資訊網

由DRHess著作·2014·被引用63次—Tracheostomytubescanbecuffedoruncuffed.Uncuffedtubesallowairwayclearancebutprovidenoprotectionfromaspiration.Cuffed ...

Metal tubes are constructed of silver or stainless steel. They are not used commonly due to expense, rigid construction, and lack of a cuff and a 15-mm connector to attach a ventilator. A smooth rounded-tip obturator passed through the lumen of the tracheostomy tube facilitates insertion of the tube by displacing rather than coring tissues; it is removed once the tube is in place. Metal is durable, inhibits bacteria growth, does not react with tissues, resists biofilm formation, is easy to clean, and can be sterilized with heat or steam.

The most commonly used tracheostomy tubes are made from polyvinyl chloride (PVC), silicone, or polyurethane. PVC softens at body temperature, conforming to patient anatomy and centering the tube in the trachea. Silicone is naturally ...