Patent ID: 6969356

Claim:
An inflatable cuff for blood pressure measurement, comprising: a first inflatable bag adapted to be wound around a body portion of a living subject and inflatable to press an arterial vessel of the body portion and to stop flow of blood in the arterial vessel; a second inflatable bag for sensing a pulse wave propagating along the arterial vessel, the second inflatable bag is supported by the inflatable cuff such that the second inflatable bag is located inside a downstream-side portion of the first inflatable bag as seen in the direction in which the blood flows in the arterial vessel, and which has a dimension as measured in said direction that is smaller than a dimension of the first inflatable bag as measured in said direction; a fluid-filled bag that is adapted to be located between the second inflatable bag and the body portion and is filled with incompressible fluid; and a shield plate that is located between the first inflatable bag and the second inflatable bag.