Exhibit 21.1

 

NAME OF SUBSIDIARY

  

JURISDICTION OF INCORPORATION

U.S. Subsidiaries

  

RTI Surgical, Inc.

   Delaware

Paradigm Spine, LLC

   Delaware

RTI OEM, LLC

   Delaware

RTI Surgical, LLC

   Delaware

Regeneration Technologies, Inc.—Cardiovascular

   Alabama

Biological Recovery Group, Inc.

   Delaware

RTI Services, Inc.

   Delaware

RTI Donor Services, Inc.

   Delaware

Tutogen Medical, Inc.

   Florida

Tutogen Medical (United States), Inc.

   Florida

Pioneer Surgical Technology, Inc.

   Michigan

Angstrom Acquisition Corp. II

   Delaware

Pioneer Surgical Orthobiologics, Inc.

   Delaware

Zyga Technology, Inc.

   Delaware

Andi’s Belmarall, LLC

   Delaware

Fourth Dimension Spine, LLC

   Delaware

Foreign Subsidiaries

  

Tutogen Medical GmbH

   Germany

RTI Surgical Holdings Luxembourg S.a.r.l.

   Luxembourg

Pioneer Surgical Technology B.V.

   Netherlands

RTI Surgical GmbH

   Germany

RTI Surgical Australia Pty. Limited

   Australia

RTI Surgical—Singapore Pte Ltd

   Singapore

RTI Surgical Hong Kong Limited

   Hong Kong

RTI Surgical UK Ltd

   United Kingdom

Paradigm Spine GmbH

   Germany

Paradigm Spine Austria GmbH

   Austria

Paradigm Spine Switzerland AG

   Switzerland

Fourth Dimension Spine GmbH

   Germany