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Instrument cleaning brushes designed to remove debris from a reusable inner cannula that is used inside plastic or metal tracheostomy tubes (small tubes inserted into the tracheostomy to keep the stoma clear). These brushes typically include a round handle and a small, thin, curved plastic (e.g., polypropylene) shaft with bristles (e.g., nylon) that radiate from the shaft at the working end and are of the appropriate size for cleaning the cannula lumen.
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