Rigid Sinoscope 0° × 4 mm × 175 mm

The Rigid Sinoscope 0° × 4 mm × 175 mm is a reusable rigid optical ENT endoscope designed for direct forward visualization of the nasal cavity, paranasal sinuses and surrounding sinonasal anatomy during diagnostic nasal endoscopy and compatible sinus procedures. The 0° direction of view provides a straight-ahead perspective, making this configuration particularly useful for initial nasal-cavity surveys, septal assessment and direct anterior visualization. The 4 mm outer diameter and 175 mm working length represent a widely used adult rigid-sinoscope configuration. The exact 0° × 4 mm × 175 mm specification is documented in the U.S. AccessGUDID medical-device database as a commercially distributed rigid optical sinoscope. Key Features 0° direction of view 4 mm outer diameter 175 mm working length Straight-forward optical visualization Rigid endoscopic construction Designed for nasal and sinus examination Suitable for diagnostic nasal endoscopy Suitable for compatible endoscopic sinus procedures External light-guide connection Can be coupled with compatible endoscopy cameras and light sources Reusable instrument Common adult ENT sinoscope size Suitable for hospitals, ENT clinics and specialist centres