510(k) Report

510(k) · Cleared

Cleared

Innofluor Topiramate Control Set

K970517510(k) TraditionalCleared May 12, 199790-day reviewClass I21 CFR 862.3280

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

Oxis Intl., Inc. · LAS Drug Specific Control Materials

Cleared on May 12, 1997 after a 90-day review. The FDA summary names its predicate without a number. 6 later devices descend from it.

Decided
May 12, 1997
Review
90 days
Class
Class I
Product code
LAS
Recalls
None
Predicates
0

6 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2009: 2 descendants cleared2021: 1 descendant cleared2016: 1 descendant cleared2010: 1 descendant cleared2024: 1 descendant cleared1995200020052010201520202025
  1. This deviceK970517 Innofluor Topiramate Control SetOxis Intl., Inc. · 1997
  2. Descendant · cites it directly · 5 of its ownK083799 Topiramate Assay, Ark Topiramate Calibrator and Ark Topiramate…Ark Diagnostics, Inc. · 2009
  3. Descendant · 2 generations on · 1 of its ownK091653 Ark Levetiracetam Assay, Ark Levetiracetam Calibrator and Ark…Ark Diagnostics, Inc. · 2009
  4. Descendant · 3 generations on · 0 of its ownK232522 ARK Levetiracetam II AssayArk Diagnostics, Inc. · 2024
  5. Descendant · 2 generations on · 0 of its ownK201089 ARK Lacosamide AssayArk Diagnostics, Inc. · 2021
  6. Descendant · 2 generations on · 0 of its ownK153596 ARK Oxcarbazepine Metabolite Assay, ARK Oxcarbazepine Metabolite…Ark Diagnostics, Inc. · 2016

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2009: 22010: 12016: 12021: 12024: 1
2009high 2 (2009) · low 0 (2011)2026

Most influential descendants

Showing 5 of 6 · See all
  • K083799Topiramate Assay, Ark Topiramate Calibrator and Ark Topiramate Control, Models…Ark Diagnostics, Inc. · 2009 · cites it directly5descendants
  • K091653Ark Levetiracetam Assay, Ark Levetiracetam Calibrator and Ark Levetiracetam Control…Ark Diagnostics, Inc. · 2009 · 2 generations on1descendant
  • K232522ARK Levetiracetam II AssayArk Diagnostics, Inc. · 2024 · 3 generations on0descendants
  • K201089ARK Lacosamide AssayArk Diagnostics, Inc. · 2021 · 2 generations on0descendants
  • K153596ARK Oxcarbazepine Metabolite Assay, ARK Oxcarbazepine Metabolite Calibrator, ARK…Ark Diagnostics, Inc. · 2016 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K970517Innofluor Topiramate Control SetOxis Intl., Inc.1997—
+1K083799Topiramate Assay, Ark Topiramate Calibrator and Ark Topiramate Control, Models…Ark Diagnostics, Inc.2009—
+2K091653Ark Levetiracetam Assay, Ark Levetiracetam Calibrator and Ark Levetiracetam…Ark Diagnostics, Inc.2009—
+3K232522ARK Levetiracetam II AssayArk Diagnostics, Inc.2024—
+2K201089ARK Lacosamide AssayArk Diagnostics, Inc.2021—
+2K153596ARK Oxcarbazepine Metabolite Assay, ARK Oxcarbazepine Metabolite Calibrator…Ark Diagnostics, Inc.2016—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200920
201010
201610
202110
202410
FIG. 1 — Lineage of K970517, 1997–2024Source: FDA 510(k) summaries, read by 510(k) Report · 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 LAS? 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? (3)

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
*—INNOFLUOR™ Phenobarbital Assay System
Named without a submission number
—
*—Abbott Phenobarbital II Assay
Named without a submission number
—
*—Topiramate Gas Chromatography
Named without a submission number
—

What descends from it? (6)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K083799Topiramate Assay, Ark Topiramate Calibrator and Ark Topiramate Control, Models…Ark Diagnostics, Inc.20095

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?

  • Of its descendants, K083799 (Ark Diagnostics, Inc., 2009) has gone furthest, with 5 descendants of its own.

How does its category compare?

All LAS devices

LAS Drug Specific Control Materials: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LAS

1in 2009

2008: 12009: 1
2007high 1 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LAS

Too few LAS 510(k)s in any year since 2007 to give a median.

Recalls per year · LAS

1in 2013

2013: 1
2007high 1 (2013) · low 0 (2007)2026

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

Adverse event reports per year · LAS

No MAUDE report names LAS since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20081—00
20091—00
20100—00
20110—00
20120—00
20130—10
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The INNOFLUOR™ Topiramate Assay System is a fluorescence polarization immunoassay intended for the quantitative determination of total topiramate in serum or heparinized plasma for therapeutic drug monitoring. The assay system is for use on the Abbott TDx® or the TDXFL® analyzer

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. “K970517: Innofluor Topiramate Control Set.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K970517

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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