Medical devices improve and save lives, but governments have allowed products on the market with little or no human testing that went on to cause great harm

Devices pulled off the market in some countries over safety concerns remain for sale in others

The device industry, and the regulators that oversee it struggle to quickly identify hazardous implants after they are released, leaving patients exposed

Manufacturers, doctors, and others potentially linked more than 1.7 million injuries and nearly 83,000 deaths to medical devices in reports to U.S. regulators over the last decade