Front Line is a medical device company that offers a life-saving tool, the COBRA-OS (Control of Bleeding, Resuscitation, Arterial Occlusion System) to help patients survive emergency situations, including postpartum hemorrhage. It is especially applicable for higher risk situations, such as PAS, and can be used prophylactically to reduce the risk to the patient. The COBRA-OS is a 4 Fr device and its significantly reduced size increases ease of use and decreases the risk of complications.