An Allina doctor's quest to shed light on medical implants that fail

[CBS, April 01, 2012] Statistically, fewer than one percent of all medical devices fail their patients - far fewer, in fact. Small comfort if one of those very rare failures strikes you or me or someone you love.

CBS Sunday Morning examined one of those cases and how it lead Allina cardiologist Robert Hauser at Abbott Northwestern Hospital's Minneapolis Heart Institute to some startling discoveries.