Patent ID: 6719708
Filing Date: 2004-04-13
Classification: A61B,A61G

Abstract:
An apparatus for measuring values to determine movements of a person lying on a mattress (10), comprising two pressure sensors (13) cooperating with the mattress (10), each pressure sensor (13) comprising a flat sensor cushion (11) filled with a fluid medium, wherein pressure exerted on the pressure sensors (13) by the person lying on the mattress (10) is transmitted via the fluid medium to a sensor element (12) associated with each sensor pad, wherein a first sensor cushion is arranged in the sacral (S) region of the person lying on the mattress and a second sensor cushion is arranged in the thorax (T) region of the person lying on the mattress, and both sensor cushions (11) are arranged substantially to one side of a longitudinal axis (20) of the mattress.