Devices descending from K844385
27 later devices reach Escotek Est Trac 401 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K071347 | Vax-D Genesis G2 System | Vax-D Medical Technologies, LLC | 2007 | 1 | — |
| +1 | K053223 | Triton/Tru-Trac/TX/Triton DTS Traction | Chattanooga Group | 2006 | 8 | — |
| +1 | K022602 | DRX3000 | Axiom Usa., Inc. | 2003 | 4 | — |
| +1 | K023160 | DRX5000 | Axiom Usa., Inc. | 2002 | 4 | — |
| +1 | K992733 | Akron ATP9 Traction Machine | Huntleigh Technology, Inc. | 1999 | 9 | — |
| +1 | K981822 | DRS System | Professional Distribution Systems, Inc. | 1998 | 16 | — |
| +2 | K243366 | DRX9000C-SL Cervical Spinal Decompression System | Excite Medical of Tampa Bay, LLC | 2025 | 0 | — |
| +2 | K214037 | Ergo-Flex Technologies Back on Trac (BOTGEN1) and Cervi-Trac | Ergo-Flex Technologies, LLC | 2024 | 0 | — |
| +2 | K151640 | Eltrac 471 | Enraf-Nonius, B.V. | 2015 | 1 | — |
| +2 | K150695 | Modpod | Hollywog, LLC | 2015 | 0 | — |
| +2 | K103248 | Integrity Spinal Care System | Integra Life Sciences | 2011 | 0 | — |
| +2 | K101889 | Decompression of Choice and Neuro Decompression Device | Pivotal Health Solutions | 2010 | 0 | 1 |
| +2 | K091540 | MTD 4000 | Mettler Electronics Corp. | 2009 | 0 | 1 |
| +2 | K081247 | TM-400 | Ito Co., Ltd. | 2008 | 0 | — |
| +2 | K072064 | Gravilax Traction System | Therapeutic Clinical Technologies, Inc. | 2008 | 0 | — |
| +2 | K073132 | Model D Disc Force | North American Medical Corp (Nam) | 2008 | 0 | — |
| +2 | K073542 | Cycletrac CT-5000 | Pt Products, LLC | 2008 | 0 | 2 |
| +2 | K060735 | DRX9000 True Spinal Decompression System | Axiom Worldwide, Inc. | 2006 | 3 | — |
| +2 | K051013 | Spinemed S200B/S200C | Cert Health Sciences, LLC | 2005 | 0 | — |
| +2 | K042482 | Bass Antalgic-Trak | Traction Masters, LLC | 2005 | 0 | — |
| +2 | K043239 | Healthstar Elite | Hill Laboratories Co. | 2004 | 0 | — |
| +2 | K031862 | Spinerx-LDM | Spinerx Technology | 2003 | 9 | — |
| +2 | K030060 | Spinemed | Cert Health Sciences, LLC | 2003 | 10 | — |
| +2 | K992545 | TM-300 Traction System | Ito Co., Ltd. | 1999 | 2 | 1 |
| +3 | K243775 | True Non-Surgical Spinal Decompression System (DRX9000-SL) | Excite Medical of Tampa Bay, LLC | 2025 | 0 | — |
| +3 | K222912 | c1Trac | Zimmer Medizinsysteme GmbH | 2023 | 0 | — |
| +3 | K130249 | Integrity Spinal Care System 3.0 | Integrity Life Sciences | 2014 | 0 | — |