510(k) Report

510(k) · Cleared

Cleared

Osteonics Spinal System - Sacral Offset Connector Assembly

K984375510(k) TraditionalCleared Apr 30, 1999144-day reviewClass II21 CFR 888.3050

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Osteonics Corp. · KWP Appliance, Fixation, Spinal Interlaminal

Cleared on Apr 30, 1999 after a 144-day review. The FDA summary names its predicate without a number.

Decided
Apr 30, 1999
Review
144 days
Class
Class II
Product code
KWP
Recalls
None
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K984375Source: FDA 510(k) database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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 KWP? 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
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What was it cleared against? (2)

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.

TypeNumberDeviceApplicantDecidedRecalls
*—Tacoma™ Sacral Plate System: Sofamor Danek
Named without a submission number
—
*—Saddle with Anchor™ Fixation System: Advanced Spine Fixation Systems, Inc.
Named without a submission number
—

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All KWP devices

KWP Appliance, Fixation, Spinal Interlaminal: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KWP

9in 2015

2007: 142008: 132009: 122010: 142011: 122012: 182013: 122014: 132015: 9
2007high 18 (2012) · low 0 (2016)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWP

113in 2015

2007: 96 days median2008: 50 days median2009: 89 days median2010: 186 days median2011: 67 days median2012: 112 days median2013: 99 days median2014: 138 days median2015: 113 days median
2007high 186 (2010) · low 50 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · KWP

2in 2022

2007: 22008: 12009: 232010: 22011: 62012: 12013: 32015: 12016: 32018: 12019: 22022: 2
2007high 23 (2009) · low 0 (2014)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · KWP

494in 2025

2007: 2102008: 5942009: 6822010: 4742011: 7922012: 9182013: 1,0902014: 1,0222015: 1,3482016: 1,3792017: 8642018: 6572019: 5182020: 7962021: 5252022: 3352023: 3322024: 4362025: 494
2007high 1,379 (2016) · low 210 (2007)2025

MAUDE reports naming product code KWP, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200714962210
200813501594
2009128923682
2010141862474
201112676792
2012181121918
2013129931,090
20141313801,022
2015911311,348
20160—31,379
20170—0864
20180—1657
20190—2518
20200—0796
20210—0525
20220—2335
20230—0332
20240—0436
20250—0494
20260—0—

What is it indicated for?

The uses for the legally marketed Osteonics® Spinal System are as follows: As a posterior, non-pedicle screw system of the T4-S2 spine, the Osteonics® Spinal System is indicated for: Long and short curve scoliosis Vertebral fracture or dislocation Spondylolisthesis Degenerative disc disease (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies). Previously failed fusion Spinal tumor…

Read the full statement (180 words)

The uses for the legally marketed Osteonics® Spinal System are as follows:

As a posterior, non-pedicle screw system of the T4-S2 spine, the Osteonics® Spinal System is indicated for:

Long and short curve scoliosis

Vertebral fracture or dislocation

Spondylolisthesis

Degenerative disc disease (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies).

Previously failed fusion

Spinal tumor

Pedicular Use:

When used as a pedicle screw fixation system of the non-cervical posterior spine in skeletally mature patients, the Osteonics 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 Osteonics 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 with 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.

Cite this page

510(k) Report. “K984375: Osteonics Spinal System - Sacral Offset Connector Assembly.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K984375

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026