EX-21 6 a2207370zex-21.htm EX-21
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EXHIBIT 21

THORATEC CORPORATION

        Subsidiaries of the Registrant as of the date of this report:

Subsidiary
  Jurisdiction of Incorporation
or Organization 		  Percentage of
Ownership 		 

Thoratec Europe Limited

   United Kingdom     100 %

Thoratec LLC

   Delaware     100 %

Thoratec Switzerland GmbH

   Switzerland     100 %



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