Company:  THORATEC CORP (THOR)
Form Type:  SC 13G/A
Filing Date:  2/10/2012 
CIK:  0000350907 
Address:  6035 STONERIDGE DR 
City, State, Zip:  PLEASANTON, California 94588 
Telephone:  (925) 847-8600 
Fiscal Year:  01/02 
Last Trade
Last Trade: 
$31.36  
Change: 
-0.13 (-0.41%)  
Trade Time: 
12:33 PM EST  
Market Cap: 
$1.80B
Description of Business
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  FORM SC 13G/A