US Patent 11801184 Proning frame headrest tilt indicators

A head rest accessory is provided for coupling to a bed frame of a hospital bed. The head rest accessory includes a frame and a head rest mount coupled to the frame. A head rest is coupled to the head rest mount and includes a face rest shell. A first angle sensor measures a first tilt angle of the face rest shell. A second angle sensor measures a second tilt angle of the face rest shell.