Exhibit 21.1

LIST OF SUBSIDIARIES

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

2. Nellix, Inc., a Delaware corporation.

3. RMS/Endologix Sideways Merger Corp., a Delaware corporation.

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

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

6. ELGX South Korea Ltd.

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

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

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

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

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

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

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

14. TriVascular, Inc., a California corporation.

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

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

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

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

19. Endologix Canada, LLC, a Delaware limited liability company.