Noninvasive peripheral vascular technology Hokanson manufactures high quality instruments for noninvasive bloodflow measurements. Our products include: vascular Dopplers, strain gauge plethysmographs, photo plethysmographs, pneumo plethysmographs, vascular cuff inflators and vascular cuffs. Hokanson provides Ankle Brachial Index ABI testing for PAD Peripheral Arterial Disease from simple portable screening kits to complete peripheral vascular physiological testing systems. Please visit our booth for a demonstration!