In this Monday, March 11, 2013 photo, Terumo Medical Corp. displays new devices at their exhibit in the American College of Cardiology conference in San Francisco. Have a heart problem? If it's fixable, there's a good chance it can be done without surgery, using tiny tools and devices pushed through tubes into blood vessels. Many problems that used to require open-heart surgery now can be treated with minimally invasive procedures. (AP Photo/Jeff Chiu)

Associated Press
In this Monday, March 11, 2013 photo, Terumo Medical Corp. displays new devices at their exhibit in the American College of Cardiology conference in San Francisco. Have a heart problem? If it's fixable, there's a good chance it can be done without surgery, using tiny tools and devices pushed through tubes into blood vessels. Many problems that used to require open-heart surgery now can be treated with minimally invasive procedures. (AP Photo/Jeff Chiu)
In this Monday, March 11, 2013 photo, Terumo Medical Corp. displays new devices at their exhibit in the American College of Cardiology conference in San Francisco. Have a heart problem? If it's fixable, there's a good chance it can be done without surgery, using tiny tools and devices pushed through tubes into blood vessels. Many problems that used to require open-heart surgery now can be treated with minimally invasive procedures. (AP Photo/Jeff Chiu)
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