Treatment for Thrombosed Dialysis Grafts

A new ultrasonic endovascular system is designed for use in the treatment of thrombosed synthetic dialysis access grafts. The system has been cleared by the U.S. Food and Drug Administration (FDA).

The Resolution endovascular system, made by OmniSonics Medical Technologies (Wilmington, MA, USA), is a portable system that consists of two primary components, the generator and the Resolution system kit. The kit consists of a hand-piece with an attached wire and accessory irrigation tubing. This hand-piece converts the electronic signal from the generator to low-power ultrasonic energy transmitted 360º along the entire length of a small-diameter therapeutic wire, generating a cavitational streaming effect that breaks the fibrin matrix found in the thrombus without damaging surrounding structures.

The device is currently being evaluated for use in the treatment of peripheral occlusive conditions (deep vein thrombosis, peripheral limb ischemia, and catheter clearance), as well as neurovascular and coronary applications.

"It is useful to have a simple and fast treatment option, such as the Resolution endovascular system, to re-establish flow on thrombosed access grafts to ensure patients' quick return to the dialysis center,” said Dr. Carlo Dall'Olmo, of the Michigan Vascular Center (Flint, MI, USA).




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