Please assess the completion status of the following clinical trial:

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

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
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.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- ReVENT implanted group (Type: None): None

Based on this trial design, predict the completion outcome and termination type (if applicable).