An ultrasonic-compatible trainer for clot resolution training. This tabletop model provides straightforward training in the ultrasonic treatment of thromboses within synthetic hemodialysis access grafts. The model features a rigid sculpture of the arm with simulated replaceable access graft. A custom system allows demonstration and training of ultrasonic clot resolution devices with fluid flow; water and waste are collected in a removable tray. The synthetic Graft (Item 5052) is designed for easy replacement.