WASHINGTON, D.C. (Ivanhoe Newswire) -- From defibrillators to pacemakers, some experts say too many mistakes are making it to market. There are close to 24,000 companies across the globe manufacturing medical devices -- many that help people live longer, healthier lives. But a group of scientists in charge of inspecting these life-saving products say a stamp of approval by the FDA doesn’t mean it’s safe.