Study Seeks to Confirm Benefits of Cagent’s Unique Serration Balloon Angioplasty Technology vs. Plain Old Balloon Angioplasty (POBA) in treating Peripheral Artery Disease (PAD) in Below-the-Knee Arteries. WAYNE, Penn., [April 10, 2025] – Cagent Vascular, Inc., the exclusive developer of serration technology for vessel dilation in endovascular interventions, announced its first patient enrollment of the Serranator vs.