FDAnews
www.fdanews.com/articles/138013-senate-seeks-medtronic-records-following-adverse-event-claims

Senate Seeks Medtronic Records Following Adverse Event Claims

June 30, 2011
The Senate Finance Committee is investigating Medtronic after media reports suggested that doctors guiding clinical trials for the InFuse Bone Graft device knew the device caused complications, but did not report the incidents.
Devices & Diagnostics Letter