A legal injunction may severely limit the availability in the United States of Medtronic’s CoreValve device, which only received FDA approval earlier this year. The device received abundant praise ... more 
A legal injunction may severely limit the availability in the United States of Medtronic’s CoreValve device, which only received FDA approval earlier this year. The device received abundant praise recently when a large clinical trial demonstrated substantial advantages for CoreValve over traditional open-heart surgery. The injunction is the latest episode in an ongoing patent war in which Edwards Lifesciences, which pioneered the field of transcatheter aortic valve replacement with its Sapien devices, has sought to hinder Medtronic from competing in the US and international markets. less 
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Wochit
Tue, Apr 15, 2014 2:01 PM EDT