The Safeguard Medical Sentinel Chest Seal (20-001) delivers highly effective, immediate stabilization for open pneumothorax wounds caused by penetrating thoracic trauma. Equipped with a specialized 360-degree layer of Sentinel 10x™ adhesive, this medical-grade barrier adheres firmly to complex tissue sites despite contamination from heavy sweat, water, or oil layers. The innovative layered venting channels facilitate the unrestricted egress of trapped blood and air from the pleural cavity while completely blocking outside airflow, reducing tension pneumothorax risks during tactical evacuations. Its flexible, clear polymer construction allows trauma clinicians to continuously monitor the underlying injury track without lifting or compromising the adhesive margin.