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Exploratory probes designed for introduction through the nasal cavity into the nasal sinuses and that are intended mainly for exploratory purposes. These probes typically consist of slender metallic or plastic cylinders that can be passed into the nasal sinuses. They may be attached to a handle at the proximal end; they can be flexible or rigid. Nasal sinus exploratory probes are intended for inspecting the anatomical structures inside the nasal sinuses.
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