Conduct Feasibility testing including, but not limited to: part inspection, root cause investigations, fixture development, component prototyping, mechanical testing, thrombus loop testing, component interaction, test method development and test method validation. Execute prototype device evaluations for key metrics including, but not limited to: usability, maintaining hemostasis, insertion/removal/repositioning forces through straight and tortuous anatomy, insertion characteristic to the arteriotomy, single access compatibility, and thrombus formation mitigation.