Home » Medical » Intact Vascular Shows Success with BTK Vascular ImplantMedicalIntact Vascular Shows Success with BTK Vascular Implant Manny Johnson June 27, 2020 1 Views The Wayne, PA-based company announced the results of the Tack Optimized Balloon Angioplasty (TOBA) II BTK clinical trial during the 2020 Vascular Interventional Advances (VIVA) Late-Breaking Clinical Trial livestream.