FDAnews
www.fdanews.com/articles/146136-fda-lacks-system-for-tracking-medical-devices-that-malfunction

FDA Lacks System for Tracking Medical Devices That Malfunction

May 4, 2012
Each prescription drug you take has a unique code that the government can use to track problems. But artificial hips and pacemakers? They are implanted without identification, along with many other medical devices. In fact, the FDA doesn’t know how many devices are implanted into patients each year — it simply doesn’t track that data.
The Denver Post