This image provided by Edwards Lifesciences shows a graphic of the Edwards SAPIEN valve. A long-awaited study suggests that many people with bad aortic valves can have them replaced through a tube ... more 
This image provided by Edwards Lifesciences shows a graphic of the Edwards SAPIEN valve. A long-awaited study suggests that many people with bad aortic valves can have them replaced through a tube into an artery instead of open-heart surgery. Edwards Lifesciences Corp. is seeking federal approval for its experimental SAPIEN aortic valve, implanted through an artery. less 
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Associated Press | Photo By Edwards Lifesciences
Sun, Apr 3, 2011 3:34 PM EDT