US Patent 7172556 Sphygmomanometer

A sphygmomanometer is disclosed. The sphygmomanometer mainly has plural power buttons and plural memory buttons mounted thereon, and said power buttons and said memory buttons are in a one-on-one manner to communicate with one another. Through pressing one of said power buttons, a measurement value of blood pressure can be directly stored into a correspondingly memory area, and through pressing one of said memory buttons corresponding to that power button, said stored measurement value can be recalled and displayed on said display screen. Therefore, the sphygmomanometer can be provided for more than two users and also can respectively memorize (store) individual measurement value of blood pressure for each user.