Background: Mechanical thrombectomy can restore blood flow to the brain after acute ischemic stroke, but may be associated with risks, such as breakage of moving parts and clot fragmentation. The aim of this study was to evaluate a new aspiration thrombus device (ATD), the GP ATD, which has no moving parts and extracts clots by suction in a vortex flow pattern.
Methods: The GP ATD is used to extract porcine blood clots inserted into the middle cerebral artery (MCA) of a model of the circle of Willis, and from porcine aorta.