510(k) · Cleared
ClearedModification to TSRH Spinal System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Medtronic Sofamor Danek, Inc. · KWP Appliance, Fixation, Spinal Interlaminal
Cleared on Jun 10, 2004 after a 28-day review. The FDA summary names its predicate without a number. 1 of the 634 devices in its family, counting itself, has a Class I recall. 633 later devices descend from it.
- Decided
- Jun 10, 2004
- Review
- 28 days
- Class
- Class II
- Product code
- KWP
- Recalls
- None
- Predicates
- 0
633 later devices descend from it, 2 citing it directly. 1 of the 634 devices in this family, counting this one, has a Class I recall.
- This deviceK041282 Modification to TSRH Spinal SystemMedtronic Sofamor Danek, Inc. · 2004
- Descendant · cites it directly · 625 of its ownK072317 Modification to:TSRH Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2007 · Recalled
- Descendant · 2 generations on · 614 of its ownK081080 TSRH Spinal SystemMedtronic Sofamor Danek · 2008
- Descendant · 3 generations on · 606 of its ownK091797 TSRH Spinal SystemMedtronic Sofamor Danek · 2010
- Descendant · 4 generations on · 597 of its ownK112555 CD Horizon (R) Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2011
- Descendant · 5 generations on · 596 of its ownK113174 CD Horizon Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2011 · Recalled
Showing 5 of 633 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
- K211616 ExcelsiusHub9 generations on · 2021
Most influential descendants
Showing 5 of 633 · See all- K072317Modification to:TSRH Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2007 · cites it directly625descendants
- K081080TSRH Spinal SystemMedtronic Sofamor Danek · 2008 · 2 generations on614descendants
- K091797TSRH Spinal SystemMedtronic Sofamor Danek · 2010 · 3 generations on606descendants
- K112555CD Horizon (R) Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2011 · 4 generations on597descendants
- K113174CD Horizon Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2011 · 5 generations on596descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K041282 | Modification to TSRH Spinal System | Medtronic Sofamor Danek, Inc. | 2004 | — |
| +1 | K072317 | Modification to:TSRH Spinal System | Medtronic Sofamor Danek USA, Inc. | 2007 | 4 |
| +2 | K081080 | TSRH Spinal System | Medtronic Sofamor Danek | 2008 | — |
| +3 | K091797 | TSRH Spinal System | Medtronic Sofamor Danek | 2010 | — |
| +4 | K112555 | CD Horizon (R) Spinal System | Medtronic Sofamor Danek USA, Inc. | 2011 | — |
| +5 | K113174 | CD Horizon Spinal System | Medtronic Sofamor Danek USA, Inc. | 2011 | 1 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2007 | 2 | 0 |
| 2008 | 3 | 0 |
| 2009 | 4 | 0 |
| 2010 | 2 | 0 |
| 2011 | 3 | 0 |
| 2012 | 9 | 0 |
| 2013 | 25 | 0 |
| 2014 | 31 | 0 |
| 2015 | 37 | 0 |
| 2016 | 37 | 0 |
| 2017 | 42 | 0 |
| 2018 | 42 | 0 |
| 2019 | 35 | 0 |
| 2020 | 44 | 0 |
| 2021 | 44 | 1 |
| 2022 | 45 | 0 |
| 2023 | 62 | 0 |
| 2024 | 58 | 0 |
| 2025 | 55 | 0 |
| 2026 | 53 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
1 device in this family has a Class I recall. A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | — | TSRH® Spinal System screws Named without a submission number |
What descends from it? (633)
See all 6332 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (1 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
- K211616ExcelsiusHubGlobus Medical, Inc. · 2021 · 9 generations on · ◆ in the 2021 descendants bar of FIG. 11 Class I recall
What does this lineage say?
- Of its descendants, K072317 (Medtronic Sofamor Danek USA, Inc., 2007) has gone furthest, with 625 descendants of its own.
How does its category compare?
All KWP devicesKWP Appliance, Fixation, Spinal Interlaminal: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KWP
9in 2015
2026 to Oct 25, outlined.
Median 510(k) review, days · KWP
113in 2015
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KWP
2in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KWP
494in 2025
MAUDE reports naming product code KWP, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 14 | 96 | 2 | 210 |
| 2008 | 13 | 50 | 1 | 594 |
| 2009 | 12 | 89 | 23 | 682 |
| 2010 | 14 | 186 | 2 | 474 |
| 2011 | 12 | 67 | 6 | 792 |
| 2012 | 18 | 112 | 1 | 918 |
| 2013 | 12 | 99 | 3 | 1,090 |
| 2014 | 13 | 138 | 0 | 1,022 |
| 2015 | 9 | 113 | 1 | 1,348 |
| 2016 | 0 | — | 3 | 1,379 |
| 2017 | 0 | — | 0 | 864 |
| 2018 | 0 | — | 1 | 657 |
| 2019 | 0 | — | 2 | 518 |
| 2020 | 0 | — | 0 | 796 |
| 2021 | 0 | — | 0 | 525 |
| 2022 | 0 | — | 2 | 335 |
| 2023 | 0 | — | 0 | 332 |
| 2024 | 0 | — | 0 | 436 |
| 2025 | 0 | — | 0 | 494 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
When used as a pedicle screw fixation system in the non-cervical posterior spine in skeletally mature patients, the TSRH® Spinal System is indicated for one or more of the following: (1) degenerative disc disease (defined as back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies), (2) degenerative spondylolisthesis with objective evidence of neurologic impairment, (3) fracture, (4) dislocation…
Read the full statement (249 words)
When used as a pedicle screw fixation system in the non-cervical posterior spine in skeletally mature patients, the TSRH® Spinal System is indicated for one or more of the following: (1) degenerative disc disease (defined as back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies), (2) degenerative spondylolisthesis with objective evidence of neurologic impairment, (3) fracture, (4) dislocation, (5) scoliosis, (6) kyphosis, (7) spinal tumor, and/or (8) failed previous fusion (pseudarthrosis).
In addition, when used as a pedicle screw fixation system, the TSRH® Spinal System is indicated for skeletally mature patients: (1) having severe spondylolisthesis (Grades 3 and 4) of the fifth lumbar-first sacral (L5-S1) joint; (2) who are receiving fusions using autogenous bone graft only; (3) who are having the device fixed or attached to the lumbar and sacral spine (L3 and below); and (4) who are having the device removed after the development of a solid fusion mass.
When used as a posterior, non-cervical, non-pedicle screw fixation system, the TSRH® Spinal System is intended for the following indications: (1) degenerative disc disease (as defined by back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies), (2) spondylolisthesis, (3) fracture, (4) spinal deformities (i.e., scoliosis, kyphosis, and/or lordosis), (5) spinal stenosis, (6) pseudarthrosis, (7) tumor resection, and/or (8) unsuccessful previous attempts at spinal fusion.
For anterior use only the TSRH® Spinal System has the additional indications of: (1) spinal stenosis and/or, (2) spondylolysis.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K041282 · printed Nov 6, 2026
Cite this page
510(k) Report. “K041282: Modification to TSRH Spinal System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K041282
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026