REV 002 Observational Study of the ReVENT Sleep Apnea System: Minimally Invasive Treatment for Obstructive Sleep Apnea

Inclusion Criteria: * Patient diagnosed with Obstructive Sleep Apnea due to primary tongue base closure. * AHI ≥ 10 and AHI ≤ 40 (at least 90% of apneas and hypopneas must be obstructive). * BMI ≤ 32. * Confirmation of tongue base closure as the primary source of obstruction with Drug Induced Sleep Endoscopy (DISE). Exclusion Criteria: * Patient with prior tongue-base surgery * Uvulopalatopharyngoplasty, soft palate surgery, tonsillectomy or minimally invasive RF ablation of the tongue within the last six (6) months. * History of mandibular and/or hyoid advancement to treat OSA. * Any contraindications as listed in the approved Instructions for Use.