Stopped: Interim assessment performed after 14 patients provided evidence that further enrollment was not required to achieve intended endpoints of the study.
Evaluation of treatment of the ethmoid sinuses with the Ethmoid Sinus Spacer and Access system
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Occurrence of Adverse Events at the Time of the Procedure and Cumulatively up to 6 Weeks Post-implant
Timeframe: Procedural and 6 weeks post-implant