510(k) · Cleared
ClearedTest of Variables of Attention (T.O.V.A.) Version 9.0
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
The Tova Company · LQD Recorder, Attention Task Performance
Cleared on May 17, 2017 as substantially equivalent to K854903 (Clinical Diagnostics, Inc., 1986) after a 127-day review. Its family tree reaches back 1 generation to 1986.
- Decided
- May 17, 2017
- Review
- 127 days
- Class
- Class U
- Product code
- LQD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K854903 (1986). No later device cites it as a predicate yet.
- Root · 1 generation backK854903 Gordon Diagnostic System Model IClinical Diagnostics, Inc. · 1986
- This deviceK170082 Test of Variables of Attention (T.O.V.A.) Version 9.0The Tova Company · 2017
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K854903 | Gordon Diagnostic System Model I | Clinical Diagnostics, Inc. | 1986 | — |
| 0 (this device) | K170082 | Test of Variables of Attention (T.O.V.A.) Version 9.0 | The Tova Company | 2017 | — |
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 LQD? 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 |
|---|---|---|---|
| * | K854903 | Gordon Diagnostic System Model ISummary page 4…me: Recorder, attention task performance Device class: Unclassified Predicate Device: The Gordon Diagnostic System Model I from Clinical Diagnostics Inc. (K854903) Device Description: The Test of Variables of Attention (T.O.V.A.) is an accurate and objective continuous… | 1986 |
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.
What does this lineage say?
- Its one ancestor has no recall.
- 1 other device also cites its predicate K854903.
How does its category compare?
All LQD devicesLQD Recorder, Attention Task Performance: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.
FDA decisions per year · LQD
1in 2018
2026 to Oct 25, outlined.
Median 510(k) review, days · LQD
Too few LQD 510(k)s in any year since 2007 to give a median.
Recalls per year · LQD
No recall names LQD since 2007.
Adverse event reports per year · LQD
No MAUDE report names LQD since 2007.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 1 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 2 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 1 | — | 0 | 0 |
| 2017 | 1 | — | 0 | 0 |
| 2018 | 1 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Test of Variables of Attention (T.O.V.A.) provides healthcare professionals with objective measurements of attention and inhibitory control, which aid in the assessment of attention deficits, including attention-deficit/hyperactivity disorder (ADHD). T.O.V.A. results should only be interpreted by qualified healthcare professionals.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K170082 · printed Nov 6, 2026
Cite this page
510(k) Report. “K170082: Test of Variables of Attention (T.O.V.A.) Version 9.0.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K170082
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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