Purchase of the Delfi Personal Tourniquet System (PTS) for Blood Flow Restriction (BFR) requires an active medical license and completion of the Owens Recovery Science PBFR certification course. Please select and fill out our US Order Form or our International Order Form if you are ready to place an order. If you work in a Professional or Collegiate Sports setting and want to purchase a device through Workers Comp insurance, please reach out to purchasing@owensrecoveryscience.com.