510(k) · Cleared
ClearedOpus Spinal System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Howmedica Osteonics Corp. · MNI Orthosis, Spinal Pedicle Fixation
Cleared on Dec 20, 1999 as substantially equivalent to K951725 (Osteonics Corp., 1995) after a 73-day review. Its family tree reaches back 1 generation to 1995. 2 later devices descend from it.
- Decided
- Dec 20, 1999
- Review
- 73 days
- Class
- Class II
- Product code
- MNI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K951725 (1995). 2 later devices descend from it, 2 citing it directly.
- Root · 1 generation backK951725 Osteonics Spinal SystemOsteonics Corp. · 1995
- This deviceK993402 Opus Spinal SystemHowmedica Osteonics Corp. · 1999
- Descendant · cites it directly · 1 of its ownK014229 Modification to Opus Spinal SystemHowmedica Osteonics Corp. · 2002
- Descendant · cites it directly · 0 of its ownK030369 Opus Spinal SystemHowmedica Osteonics Corp. · 2003
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K951725 | Osteonics Spinal System | Osteonics Corp. | 1995 | — |
| 0 (this device) | K993402 | Opus Spinal System | Howmedica Osteonics Corp. | 1999 | — |
| +1 | K014229 | Modification to Opus Spinal System | Howmedica Osteonics Corp. | 2002 | — |
| +1 | K030369 | Opus Spinal System | Howmedica Osteonics Corp. | 2003 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 1 | 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.
Planning a device in MNI? 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 |
|---|---|---|---|
| * | K951725 | Osteonics Spinal SystemSummary page 1…pinal System are substantially equivalent to features of the following Howmedica Osteonics predicate device, which has been cleared for marketing via the 510(k) process (K951725): ® Osteonics® Spinal System Device Description The Opus™ Spinal System is a spinal fixation device for the noncervical spine.… | 1995 |
What descends from it? (2)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
How does its category compare?
All MNI devicesMNI Orthosis, Spinal Pedicle Fixation: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · MNI
1in 2017
2026 to Oct 25, outlined.
Median 510(k) review, days · MNI
168in 2016
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MNI
1in 2018
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MNI
80in 2025
MAUDE reports naming product code MNI, 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 | 20 | 82 | 26 | 83 |
| 2008 | 23 | 64 | 8 | 108 |
| 2009 | 18 | 86 | 3 | 138 |
| 2010 | 16 | 74 | 1 | 126 |
| 2011 | 17 | 111 | 0 | 146 |
| 2012 | 19 | 75 | 1 | 200 |
| 2013 | 14 | 77 | 4 | 824 |
| 2014 | 6 | 104 | 0 | 301 |
| 2015 | 12 | 54 | 1 | 260 |
| 2016 | 7 | 168 | 0 | 117 |
| 2017 | 1 | — | 0 | 247 |
| 2018 | 0 | — | 1 | 134 |
| 2019 | 0 | — | 0 | 188 |
| 2020 | 0 | — | 0 | 115 |
| 2021 | 0 | — | 0 | 270 |
| 2022 | 0 | — | 0 | 214 |
| 2023 | 0 | — | 0 | 122 |
| 2024 | 0 | — | 0 | 114 |
| 2025 | 0 | — | 0 | 80 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
When used as a pedicle screw fixation system of the non-cervical posterior spine in skeletally mature patients, the Opus™ Spinal System is indicated for one or more of the following: degenerative spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor, and failed previous fusion (pseudarthrosis). In addition, the Opus™ Spinal System is indicated for pedicle screw fixation in…
Read the full statement (114 words)
When used as a pedicle screw fixation system of the non-cervical posterior spine in skeletally mature patients, the Opus™ Spinal System is indicated for one or more of the following: degenerative spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor, and failed previous fusion (pseudarthrosis).
In addition, the Opus™ Spinal System is indicated for pedicle screw fixation in skeletally mature patients with severe spondylolisthesis (Grades 3 and 4) at the L5-S1 joint, having fusions using autogenous bone graft, having the device fixed or attached to the lumbar and sacral spine (with pedicle placement at L3 and below) with removal of the implants after the development of a solid fusion mass.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K993402 · printed Nov 6, 2026
Cite this page
510(k) Report. “K993402: Opus 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/K993402
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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