FDAnews
www.fdanews.com/articles/138582-eye-ear-implants-blow-away-hearts-hips-for-most-frequently-implanted-medical-devices-in-the-u-s

Eye, Ear Implants Blow Away Hearts, Hips for Most Frequently Implanted Medical Devices in the U.S.

July 22, 2011
Eye and ear devices are the most implanted medical devices in the U.S., according to a new study by financial news and opinion company 24/7 Wall St.
Mass Device