Fig.Ā 2From: Cultivation of arterial stiffness fields in the land of the rising sunCommercial devices manufactured by Fukuda Denshi to measure pulse wave velocity. A Fukuda Electro Arterial Distensibility Counter KM-1 that was manufactured and sold in 1968 and B Fukuda Denshi Mechano Cardiograph MCG-400 that was manufactured and sold in 1983. These pictures are shown here with the permission from Fukuda DenshiBack to article page