Date of download: 10/29/2017 Copyright © ASME. All rights reserved. From: A Novel Sensor Concept for Optimization of Loosening Diagnostics in Total Hip Replacement J Biomech Eng. 2011;133(10):104503-104503-5. doi:10.1115/1.4005222 Figure Legend: Principle of the new sensor system for diagnosing aseptic loosening, e.g., applied in the total hip stem. Left: Hip stem with integrated membranes. Middle: Sensor principle with close bone contact. Right: Sensor principle with loosening layer (fibrous layer).