Exhibit 21.1

LIST OF SUBSIDIARIES

1. CVD/RMS Acquisition Corp., a Delaware corporation.

2. Nellix, Inc., a Delaware corporation.

3. ELGX International Holdings GP, a Cayman Islands company.

4. Endologix International Holdings B.V., a Dutch corporation.

5. Endologix International B.V., a Dutch corporation.

6. Endologix New Zealand Co., a New Zealand unlimited liability company.

7. Endologix Bermuda L.P., a Bermuda partnership.

8. Endologix Italia S.r.l., an Italian corporation.

9. Endologix Singapore Private Limited, a Singaporean limited private company.

10. Endologix Poland sp. zo.o, a Polish limited company.

11. TriVascular Technologies, Inc., a Delaware corporation.

12. TriVascular, Inc., a California corporation.

13. TriVascular Sales LLC, a Texas limited liability company.

14. TriVascular Germany GmbH, a German limited liability company.

15. TriVascular Switzerland Sarl, a Swiss limited liability company.

16. TriVascular Italia Sarl, an Italian limited liability company.

17. TriVascular Canada, LLC, a Delaware limited liability company.