US Patent 7856261 Cable with spacer for positioning multiple medical sensors

A subject monitoring apparatus is provided. The apparatus includes a drive unit (10); a sensor unit (50); and a plurality of cable end units (500) for providing electrical connection between electrodes disposed on a subject and cables passing from the cable end units to the drive and sensor units. Each cable end unit includes first and second connectors (340, 380), and a spacer (400) which substantially maintains a pre-determined distance (L) between the first and second connectors.