While the U.S. Supreme Court has ruled FDA approval of medical devices preempts tort lawsuits over medical-device injuries, plaintiff "Arizonan Richard Stengel says federal law regulating medical devices does not trump his claims under state law because Medtronic Inc failed to alert the U.S. Food and Drug Administration to known risks associated with the pain medication pump and catheter that was implanted in his abdomen," Reuters reports. The high court has asked for input from President Obama's administration before making a decision on granting certiorari on hearing the appeal.