A length of tube made of durable materials (e.g., rubber, silicone) intended to be used to conduct breathing gases towards or away from a patient during the respiratory cycle, typically during anaesthesia or ventilation [including continuous or bi-level positive airway pressure ventilation (CPAP or BPAP)]. It is intended to function as part of a breathing circuit and with other separate gas delivery devices (e.g., respiratory mask, connectors). This is a reusable device intended to be cleaned/disinfected prior to use.
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